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Productos (39.000+)

STM8S903K3U3 - 16MHz 8-Bit MCU with 8KB Flash | STMicroelectronics
STM8S903K3U3

STM8S903K3U3 - 16MHz 8-Bit MCU with 8KB Flash | STMicroelectronics

The STMicroelectronics STM8S903K3U3 is an 8-bit STM8S access-line microcontroller with a 16 MHz clock, 8 Kbyte Flash program memory, 1 Kbyte RAM, and 640 bytes of true data EEPROM. It also provides a 10-bit ADC, two timers, UART, SPI, and I2C interfaces in a 32-pin UFQFPN package measuring 5 x 5 mm. An 8-bit microcontroller is a compact embedded-computing device that executes programmed instructions, reads inputs, controls outputs, and manages communication interfaces. Within the semiconductor hierarchy, the STM8S903K3U3 belongs to the STM8S family, the STM8 access line, the broader 8-bit microcontroller class, and the wider embedded-processing and power-management ecosystem. Its combination of mixed signal and serial connectivity makes it suitable for compact control systems rather than high-compute applications. The device provides 8 Kbyte of Flash for program storage, 1 Kbyte of RAM for working memory, and 640 bytes of true data EEPROM for parameters that must retain their values. The 10-bit ADC supports analog-to-digital measurements, while two timers support timing, periodic events, and basic input-capture or output-compare functions. UART, SPI, and I2C interfaces enable connection to sensors, displays, transceivers, memory devices, and other embedded peripherals. The operating supply range is 2.95 V to 5.5 V, supporting both 3.3 V and 5 V system architectures. Its 16 MHz maximum clock provides adequate execution bandwidth for control loops, protocol handling, and sequential logic. The device exposes 16 I/O ports and is offered in a compact 32-pin no-lead package with a 0.65 mm pitch, reducing board area while retaining a substantial pin count for mixed-signal and serial-interface designs. Typical applications include industrial sensor nodes, compact motor controllers, digital control panels, appliance interfaces, LED-control boards, and low-cost serial bridges. The STM8S903K3U3 is particularly useful where a design needs local analog measurement, nonvolatile configuration storage, and multiple serial buses without adopting a higher-pin-count or higher-cost microcontroller. PCB design should place the decoupling capacitor adjacent to the supply pins and route analog, digital, and clock signals with appropriate separation. Confirm the exact exposed-pad, ground, reset, clock, and I/O assignments from the manufacturer pinout and layout guidance before fabrication. This product page combines the manufacturer’s device information with a practical feature summary, application guidance, verified specifications, sourcing information, and a conservative replacement assessment that distinguishes true pin-compatible choices from merely similar devices.

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STM8S903K3U6 - 16MHz 8-Bit MCU with 8KB Flash | ST
STM8S903K3U6

STM8S903K3U6 - 16MHz 8-Bit MCU with 8KB Flash | ST

The STMicroelectronics STM8S903K3U6 is an 8-bit STM8S microcontroller with a 16 MHz clock, 8 KB of Flash program memory, 1 KB of RAM, 640 bytes of true EEPROM, and a 10-bit ADC in a 32-pin UFQFPN package measuring 5 x 5 mm. It operates from 2.95 V to 5.5 V and provides 16 I/O ports, two timers, UART, SPI, and I2C interfaces for compact embedded-control designs. An 8-bit microcontroller is a compact embedded-processing component designed around a simple central processing unit, program memory, working memory, and integrated peripherals. The STM8S family belongs to the broader hierarchy of microcontrollers, embedded processors, and semiconductors. Its combination of integrated Flash, true EEPROM, analog conversion, and serial interfaces makes it useful for cost-sensitive appliance control, industrial sensing, compact instrumentation, and low-to-moderate-speed communication equipment. Key features include 8 KB of Flash program memory, 1 KB of RAM, and 640 bytes of integrated true data EEPROM. The device supports a 16 MHz maximum clock and includes a 10-bit analog-to-digital converter, two timers, one UART, SPI, and I2C. Its operating voltage of 2.95 V to 5.5 V supports both 3.3 V and 5 V systems, while a temperature range of -40°C to +85°C covers common industrial and commercial environments. The STM8S903K3/F3 access-line architecture emphasizes performance, robustness, and reduced system cost. Flash permits in-system program storage, true EEPROM retains calibration or configuration data without external memory, and the ADC provides an economical path for analog measurement. The 32-pin UFQFPN package also offers fine-pitch external connectivity for sensors, actuators, displays, and communication transceivers, although its 0.5 mm pitch requires careful PCB assembly and inspection. Typical applications include sensor nodes, appliance controllers, compact industrial interfaces, low-speed data loggers, and embedded modules requiring UART, SPI, or I2C connectivity. Designers can connect analog inputs to the 10-bit ADC, use the timers for periodic measurement or output generation, and retain operating parameters in EEPROM. A UART bridge or level translator can extend the device into RS-232 or RS-485 systems. The primary design consideration is PCB implementation. A 32-pin UFQFPN package requires a land pattern capable of 0.5 mm pitch routing, adequate solder paste coverage, and careful control of thermal and electrical conditions. Firmware should also verify the device-specific reset behavior, clock configuration, peripheral mapping, and ADC calibration sequence against the manufacturer documentation before production. This page consolidates verified manufacturer specifications, distributor availability, procurement information, interface guidance, and same-footprint replacement analysis. It is intended to provide engineering context beyond a basic distributor listing while clearly identifying data that requires confirmation from the manufacturer datasheet.

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STM8SPLNB1P6 - 16MHz 8-Bit DiSEqC MCU | STMicroelectronics
STM8SPLNB1P6

STM8SPLNB1P6 - 16MHz 8-Bit DiSEqC MCU | STMicroelectronics

The STMicroelectronics STM8SPLNB1P6 is an application-specific 8-bit STM8S-series microcontroller optimized for DiSEqC satellite LNB and switcher control, operating at up to 16 MHz in a 20-pin TSSOP package. The device includes 8 KB of Flash program memory, 640 bytes of EEPROM, and 1 KB of RAM for protocol handling, control logic, and satellite-set peripheral functions. A microcontroller is a programmable integrated circuit that combines a CPU core, memory, peripherals, and communication interfaces on one semiconductor die. The STM8S family belongs to the broader embedded-controller hierarchy: 8-bit microcontroller, embedded controller, semiconductor, and electronic component. Unlike a general-purpose microcontroller, the STM8SPLNB1P6 is application-specific and tailored to the low-speed, command-oriented interfaces used by DiSEqC satellite equipment. The headline features are a maximum clock frequency of 16 MHz, 8 KB of Flash memory, and a compact 20-pin TSSOP package. Its 1 KB RAM supports protocol state, timing, and control variables, while 640 bytes of EEPROM provide nonvolatile storage for configuration or calibration data. The specified operating-temperature range of -40°C to +85°C supports industrial and consumer satellite-access equipment. STMicroelectronics positions this device for DiSEqC slave applications in LNB and switcher systems. In this architecture, the MCU handles command recognition, timing, state management, and communication rather than performing high-bandwidth signal processing. The dedicated application focus can simplify firmware and board design compared with a general-purpose MCU whose unused peripherals add cost and design effort. Typical uses include DiSEqC-compatible LNB controllers, satellite switch controllers, dish positioning interfaces, and set-top receiver control boards. Designers should preserve the exact pin arrangement and peripheral mapping of the 20-pin TSSOP footprint, provide the required clock and decoupling arrangements, and confirm signal levels at the DiSEqC interface before production release. The main design trade-off is specialization. This MCU is appropriate when the board is centered on DiSEqC control and benefits from an integrated application profile, but it is less flexible than a larger general-purpose STM8 or STM32 device. Confirm memory requirements, interface voltage levels, timing, and firmware-toolchain support against the current STMicroelectronics datasheet. This page combines the exact device identity, package, memory, timing, and application information with practical selection guidance, engineering design notes, and verified sourcing links. It helps engineers determine whether the STM8SPLNB1P6 is appropriate for a DiSEqC slave design before requesting a quote and reviewing the manufacturer documentation.

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STMP3770XXBJEA2N - i.MX233/235 Audio/Video Decoder SoC | NXP
STMP3770XXBJEA2N

STMP3770XXBJEA2N - i.MX233/235 Audio/Video Decoder SoC | NXP

The NXP (formerly Freescale Semiconductor) STMP3770XXBJEA2N is a fifth-generation audio/video decoder SoC from the STMP3700 series, designed for portable media players, digital photo frames, and consumer multimedia appliances. It integrates an ARM926EJ-S CPU core with vector floating-point unit (VFP), hardware video decoding for H.264/MPEG-4/H.263/WMV9/VC-1 at D1 (720x480) resolution, and dedicated audio processing for MP3, WMA, AAC, Ogg Vorbis, and FLAC. The device is offered in a compact BGA package and is qualified for consumer-grade temperature operation. This particular MPN (XXBJEA2N) is a customer-specific suffix variant; full datasheets are available only to qualified customers under NXP NDA due to the device's use in commercial media-player products. What is an audio/video decoder SoC? An SoC (System-on-Chip) decoder is a highly integrated IC that combines a CPU, hardware video decoder, audio DSP, memory controller, peripheral interfaces, and power management in one package. SoC decoders occupy the third tier of the consumer multimedia hierarchy: general-purpose SoCs -> application-specific media SoCs -> STMP3700-family decoders. By consolidating decoding, processing, and I/O functions, these devices replace a discrete 4-6 chip set that would otherwise be required to build a portable player, reducing BOM cost and PCB area by 60-70%. Key features of the STMP3770XXBJEA2N include a hardware video pipeline supporting 720x480 D1 resolution at 30fps, a 32-bit LPDDR/DDR memory interface, integrated USB 2.0 HS OTG, NAND flash controller with ECC, I2S/PCM audio interfaces, and a 12-bit ADC for touch-screen/keypad support. The STMP3770 family also features an integrated Li-Ion battery charger and power-path management block. Architecturally, the device pairs the ARM926EJ-S host CPU (which runs the system kernel, file system, and user interface) with a dedicated media accelerator that offloads codec work. This heterogeneous compute approach yields long battery life in portable applications while delivering full-D1 video decode at low MHz - critical for thermal-limited, fanless enclosures. Typical applications include portable media players (PMP), digital photo frames, portable DVD players, GPS devices with video playback, e-book readers with audio, and connected home audio docks. Each application benefits from the integrated codec support and low-power operation. The STMP3700 series was a dominant SoC for low-cost media players from approximately 2009-2014. When designing with this part, note that source code, board support packages (BSP), and full datasheets are gated under NXP NDA; third-party BSPs (such as the Rockbox port) exist for hobbyist use. Designers should verify lead-time and minimum order quantities before committing to a new design because the part is in mature/end-of-life status. This page synthesizes distributor stock from DigiKey, Octopart, and JAK Electronics, cross-references available substitute listings, and consolidates practical design notes not found in a single manufacturer datasheet to help engineers and sourcing specialists make an informed decision.

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STPA001 - 4 x 50W Class AB Audio Amplifier | STMicroelectronics
STPA001

STPA001 - 4 x 50W Class AB Audio Amplifier | STMicroelectronics

The STMicroelectronics STPA001 is a 4-channel Class AB audio power amplifier built with Multipower BCD technology and MOSFET output stages for high-power car-radio systems. It supports operation down to 6 V, includes a fully complementary P-channel/N-channel output structure for rail-to-rail output swing, and is identified as a quad bridge power amplifier rated up to 50 W per channel under the manufacturer’s stated test conditions. The device is supplied in a 25-Flexiwatt vertical package. A Class AB audio amplifier is a linear power-amplifier category that uses conduction overlap between push-pull output devices to reduce crossover distortion compared with Class B designs. An audio power amplifier converts a low-level audio signal into a current- and voltage-capable drive signal for loudspeakers. STPA001 occupies the power-amplifier IC, audio amplifier, and automotive infotainment electronics hierarchy rather than a small-signal or signal-conditioning amplifier role. Key features include MOSFET output power stages, high output-current capability, low Hi-Fi-class distortion, low output noise, excellent 2 Ω driving capability, standby support, and disturbance immunity. The manufacturer describes operation down to 6 V as suitable for automotive start-stop battery profiles. Its bridge configuration is intended for car-radio speaker loads, where differential speaker drive can increase usable output voltage into the load compared with a single-ended output. The P-channel/N-channel complementary output architecture is significant because it provides rail-to-rail output-voltage swing while reducing saturation losses. That behavior helps maximize the useful output signal available to the speaker and supports the amplifier’s high-power automotive use case. The IC is intended for audio systems where low distortion and controlled output noise are more important than the efficiency of a switching audio stage. Typical applications include automotive head units, car-radio power stages, four-channel speaker systems, audio sub-system amplification, and other vehicle infotainment platforms. The 6 V minimum operating capability makes it relevant to modern vehicle electrical environments, particularly where battery voltage can fall during engine stop or cranking events. The bridge outputs must be paired with the appropriate speaker wiring arrangement shown in the manufacturer’s application information. The main design consideration is power dissipation and heat spreading in the 25-Flexiwatt package. Actual thermal performance depends on supply voltage, speaker impedance, output power, channel loading, PCB copper, and ambient temperature. A replacement must match the package footprint, pinout, bridge-output topology, voltage range, channel count, and thermal conditions; simply matching nominal wattage is not sufficient for a safe drop-in substitution. This page consolidates the verified STPA001 product description, manufacturer datasheet, distributor listing information, and application guidance. It also distinguishes documented facts from parameters that were not supplied, avoiding invented ratings or unsupported replacement claims.

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STPA001A - 4 x 50W Quad Bridge Audio Amplifier | STMicroelectronics
STPA001A

STPA001A - 4 x 50W Quad Bridge Audio Amplifier | STMicroelectronics

The STMicroelectronics STPA001A is a four-channel Class AB MOSFET bridge power amplifier rated for 4 x 50 W output and supplied from 6 V to 18 V. It is packaged in the vertically formed 27-Flexiwatt power package for high-power car-radio and automotive audio systems. The device uses Multipower BCD technology, a fully complementary P-channel/N-channel MOSFET output stage, standby and mute inputs, clip detection, and offset detection. An audio power amplifier is an integrated circuit that drives loudspeakers rather than only providing a low-power line signal. This STPA001A belongs to the class-AB power-amplifier hierarchy, combining MOSFET output stages with audio signal processing and protection functions. Its bridge topology allows differential speaker drive, while the Class AB biasing supports lower crossover distortion than a typical switching amplifier at the cost of higher standing dissipation. Key verified features include output capability of 50 W per channel into 4 ohms at 14 V and 72 W per channel into 2 ohms at 14 V, low-voltage operation from 6 V to 18 V, excellent two-ohm drive capability, low output noise, and high disturbance immunity. The standby and mute controls support system-level power management, while clip and offset detection support diagnostic or protection functions. The MOSFET output stage is designed for rail-to-rail output swing and high output current. STMicroelectronics describes the device as a class-AB audio power amplifier intended for high-power car radio applications. The datasheet also identifies its 27-Flexiwatt vertical package, which is a thermally relevant power-dissipation package and must be mounted with suitable copper and thermal design. Typical uses include automotive head-unit amplifier stages, car-radio speaker drives, four-channel cabin audio systems, and other bridge-tied audio loads where a low-voltage battery supply is available. The four-channel architecture allows independent regulation of four speaker outputs when configured with the required passive network and load arrangement. Designers should confirm the exact load impedance, supply voltage, thermal pad implementation, output-filter network, and pin-level application circuit in the STMicroelectronics datasheet before layout. Because power dissipation rises with voltage difference and output current, the PCB copper area and thermal path are critical. This page combines verified manufacturer and distributor information with engineering guidance for amplifier selection, thermal implementation, and application planning.

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STPA001AH - Quad 4x50W Class AB Audio Amplifier | STMicroelectronics
STPA001AH

STPA001AH - Quad 4x50W Class AB Audio Amplifier | STMicroelectronics

The STMicroelectronics STPA001AH is a four-channel Class AB audio power amplifier rated at 4 x 50 W and supplied in a 27-Flexiwatt horizontal power package. Its quad bridge-tied-load configuration is designed for high-power car-radio audio systems. The verified distributor data identifies low-voltage operation, standby and mute inputs, clip detection, offset detection, and MOSFET output technology, but several detailed electrical limits are not available in the supplied sources. A Class AB audio amplifier is an audio amplifier that uses conduction overlap between its output transistors to reduce crossover distortion compared with a pure Class A amplifier. In the broader electronics hierarchy, an audio amplifier belongs to amplifier ICs, analog signal-chain ICs, and semiconductor components. The bridge-tied-load arrangement uses each output stage differentially, allowing speaker current flow in both directions without a conventional DC-blocking output capacitor. Key verified features include four output channels, Class AB operation, up to 50 W per channel as stated by distributor listings, a 27-pin horizontal Flexiwatt package, standby and mute control, clip detection, and offset detection. The standby function can place the amplifier into a low-power state, while mute supports controlled audio attenuation. Clip and offset detection give the surrounding controller useful status signals for protecting the output stage or diagnosing abnormal operation. The STPA001 family uses MOSFET technology for its audio output stage and targets automotive head units, where four speakers or multiple powered speaker channels are common. Compared with an external discrete amplifier made from many transistors and resistors, the integrated quad amplifier reduces board area and assembly effort. Its principal engineering trade-off is substantial heat: actual channel power depends on supply voltage, speaker impedance, distortion limit, thermal conditions, and PCB copper, none of which is fully specified in the supplied data. Typical applications include car-radio head units, automotive infotainment systems, four-speaker cabin audio, powered multimedia enclosures, and low-voltage high-power audio racks when the thermal and supply conditions match the complete manufacturer specification. Each speaker output must connect to a bridge-tied load; grounding either speaker terminal to chassis ground is not an equivalent wiring method. Before layout, obtain the manufacturer datasheet and verify the exact pinout, supply limits, speaker impedance, output-power conditions, thermal resistance, protection limits, exposed-tab connection, and decoupling requirements. Keep the power ground and output-current paths compact, use the prescribed input and bypass capacitors, and thermally couple the horizontal Flexiwatt tab to the PCB copper according to the manufacturer layout guidance. This page consolidates verified distributor descriptions, sourcing information, application context, and design cautions. Parameters not present in the supplied sources remain explicitly marked for verification rather than being inferred from generic Flexiwatt or Class AB amplifier data.

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STPA001H - 4 x 50W Class AB Audio Amplifier | STMicroelectronics
STPA001H

STPA001H - 4 x 50W Class AB Audio Amplifier | STMicroelectronics

The STMicroelectronics STPA001H is a four-channel Class AB audio power amplifier rated at 4 x 50 W and supplied from 6 V to 18 V. It is packaged in a 25-Flexiwatt horizontal through-hole package with formed leads. The device provides standby and mute inputs, clip detection, and a diagnostics output. According to the manufacturer datasheet, STPA001H is intended for high-power car-radio and automotive audio systems. A power audio amplifier is an integrated analog device that drives loudspeakers from a lower-voltage audio input while delivering the voltage and current required by the load. The STPA001H uses four independent Class AB output channels in a bridge-tied-load arrangement. In this topology, each channel drives the two terminals of a speaker differentially, improving output capability while avoiding a direct ground connection at the load. Key verified features include four 50 W outputs at a 4 Ω load, Class AB operation, 6 V to 18 V supply operation, and 25-Flexiwatt horizontal construction. The standby and mute controls support system-level power management and signal suppression. Clip detection and the diagnostics output provide status information that can be monitored by a vehicle or audio-system controller. The manufacturer describes the STPA001 family as using MOSFET technology for high sound quality and high-power car-radio applications. The device is intended for four-channel audio architectures in which multiple loudspeaker loads must be driven from one integrated power stage. Typical uses include car-radio amplifiers, automotive sound systems, and other bridge-tied-load audio equipment. The 25-Flexiwatt package is a substantial thermal and mechanical solution compared with small surface-mount amplifier packages, making it appropriate for designs where substantial output power and heat-spreading capability are priorities. When designing around STPA001H, preserve the datasheet supply range and account for the power dissipated by the four Class AB output stages. Speaker wiring, grounding, and decoupling should be arranged to minimize hum and switching-related disturbance. The standby and mute pins should be driven according to the manufacturer’s recommended logic levels, while clip and diagnostics signals should be incorporated into system monitoring where useful. This page consolidates verified distributor and manufacturer information with application guidance, comparison fields, and design notes intended to help engineers evaluate STPA001H for high-power automotive audio designs. It does not infer electrical, thermal, or pin-level values that were not present in the supplied source data.

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STPA002CD-48X - 4x52W Class AB Audio Amplifier | STMicroelectronics
STPA002CD-48X

STPA002CD-48X - 4x52W Class AB Audio Amplifier | STMicroelectronics

STMicroelectronics STPA002CD-48X is a four-channel, MOSFET Class AB audio power amplifier rated for 4 x 52 W maximum output into 4 ohms and 4 x 30 W at 14.4 V, 1 kHz, and 10% distortion, in a 27-Flexiwatt vertical package. It is designed for high-power car-radio and automotive audio systems requiring low-voltage operation, high sound quality, and robust protection against accidental speaker or supply misconnections. An audio power amplifier is an integrated circuit that drives loudspeakers with sufficient voltage, current, and thermal capability to reproduce music and speech. The STPA002 belongs to the Class AB linear audio-amplifier hierarchy, where MOSFET output stages operate in a predominantly linear region for low crossover distortion. Its four-channel architecture can support four speakers or two stereo bridge-tied speaker networks while retaining conventional analog signal paths. Key features include 4 x 52 W maximum output into 4 ohms, 4 x 30 W at 14.4 V under the stated 1 kHz and 10% distortion conditions, standby and mute inputs, clip detection, and offset detection. The verified manufacturer description identifies it as a MOSFET Class AB amplifier designed specifically for high-power car-radio equipment. Low-voltage operation is particularly important in start-stop automotive systems, where the available supply can vary substantially during cranking and engine restart. The device uses four integrated Class AB output stages rather than a switching topology. This avoids the switching-frequency electromagnetic-interference and filter considerations associated with Class D designs, while making amplifier efficiency and heat management more dependent on supply voltage, output power, load impedance, and speaker impedance matching. The producer therefore controls output-stage dissipation through the Flexiwatt package and PCB copper area. Typical applications include automotive head units, car-radio amplifiers, four-speaker cabin systems, and low-voltage mobile audio installations. In a typical bridge-tied circuit, two output channels operate together to drive one speaker, while four channels support four separate speaker loads or two stereo pairs. The mute and standby inputs permit system-level shutdown and ignition-state control without removing the complete audio subsystem from the vehicle. Designers should verify speaker impedance, supply voltage, channel configuration, thermal rise, and protection behavior against the manufacturer datasheet before production. The 27-Flexiwatt vertical package is a power-dissipating surface-mount package and requires adequate PCB copper, clean signal routing, robust supply bypassing, and careful output-pad layout. Speaker outputs must also remain isolated from chassis ground unless the selected bridge-tied configuration and system grounding plan require otherwise. This product data combines the verified STMicroelectronics product description with distributor availability, package identification, and technical comparison data. It also identifies the limited drop-in replacement evidence found in the supplied cross-reference results, allowing engineers to distinguish a documented same-package candidate from unsupported guesses.

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STPA002HSD-48X - Quad Class AB Audio Power Amplifier | STMicroelectronics
STPA002HSD-48X

STPA002HSD-48X - Quad Class AB Audio Power Amplifier | STMicroelectronics

The STMicroelectronics STPA002HSD-48X is a four-channel Class AB audio power amplifier designed for automotive infotainment and high-power car-radio systems. It is offered in the 27-Flexiwatt vertical package and combines multiple audio output channels with robust protection against several fortuitous misconnections. The device is intended for low-voltage vehicle operation, including start-stop automotive systems that place additional demands on audio amplifiers during transient battery conditions. An audio power amplifier is an integrated circuit that converts low-level audio signals into current and voltage capable of driving loudspeakers. A Class AB amplifier conducts for both halves of the signal cycle, balancing linearity and efficiency compared with more highly efficient but nonlinear switching classes. The STPA002 belongs to the broader hierarchy of amplifier IC, linear audio amplifier, audio power amplifier, and automotive power-semiconductor product categories. The STPA002 is designed as a MOSFET Class AB audio power amplifier. Its four-channel configuration supports multi-speaker vehicle audio systems where front and rear speaker groups may require independent amplification. STMicroelectronics highlights the device’s outstanding output-current capability, distortion performance, and robustness against fortuitous misconnections. The manufacturer also states that the amplifier complies with current OEM requirements for low-voltage operation in start-stop vehicles. Automotive audio differs from conventional consumer audio because the battery voltage can vary during engine cranking, and alternator behavior can produce large electrical transients. The STPA002HSD-48X is therefore positioned as a robust bridge-oriented power stage for vehicle radio systems. Its MOSFET output architecture is intended to combine efficient loudspeaker drive with the low distortion expected from a Class AB audio amplifier. Typical uses include car head units, automotive radio systems, four-speaker infotainment platforms, and vehicle audio subassemblies with multiple amplified outputs. The four-channel architecture simplifies allocation of amplifier channels across the vehicle cabin. In a typical design, the source unit supplies audio signals, protection and filtering networks handle board-level concerns, and the amplifier drives speaker loads through suitable output networks. Designers should evaluate the exact output power, channel configuration, load impedance, thermal limits, supply range, distortion behavior, and pin functions from the manufacturer datasheet before finalizing the PCB. The vertical 27-Flexiwatt package also requires attention to copper area and thermal paths because an audio power amplifier dissipates energy as heat. Proper grounding, speaker-routing isolation, and protection against accidental short circuits are essential in a vehicle environment. This product page combines the manufacturer’s device positioning with distributor package and catalog information, then adds engineering-focused selection, thermal, layout, and comparison guidance. It is intended to help designers distinguish the STPA002HSD-48X from unrelated quad audio amplifiers before validating the final schematic, footprint, and operating limits.

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STPA002OD-4WX - 4x52W Quad Class AB Audio Amplifier | STMicroelectronics
STPA002OD-4WX

STPA002OD-4WX - 4x52W Quad Class AB Audio Amplifier | STMicroelectronics

The STMicroelectronics STPA002OD-4WX is a four-channel Class AB audio power amplifier rated for 4 x 52 W operation in a 25-Flexiwatt vertical package. Designed primarily for high-power car-radio and automotive audio systems, it combines four amplifier outputs with standby and mute inputs compatible with 3.3 V and 5 V control signals. The package is identified by distributors as Flexiwatt25, package code FM2 or ZFM, with 25 terminals. A Class AB audio amplifier is a transistor-based power amplifier that conducts through both halves of its signal cycle. Relative to switching amplifiers, this architecture can provide a simpler signal path and controlled output-stage behavior, while the STPA002OD-4WX is specifically engineered to deliver high output current, manage distortion, and withstand automotive supply conditions. It belongs to the broader hierarchy of audio amplifiers, linear amplifiers, analog power amplifiers, and integrated circuits. The manufacturer describes the STPA002 as a MOSFET Class AB audio power amplifier for high-power car radio. Its four-channel bridge configuration supports four x 52 W output capability, while standby and mute pins accept 3.3 V and 5 V logic. The device is designed for the low-voltage operating requirements of modern start-stop vehicles and can sustain hybrid-vehicle battery transitions. Its output stage is also reported as robust against several common fortuitous speaker misconnections. Acoustic performance depends on correct analog implementation as well as the amplifier IC itself. The manufacturer datasheet recommends input capacitors having the same capacitance as the capacitor connected to the AC-GND pin for optimum pop performance. This matching requirement is important because startup and shutdown transients can propagate through the input network. Speaker load selection, power-supply stability, heat sinking, and the Flexiwatt25 thermal pad connection also determine whether the amplifier can sustain its rated output in a compact automotive enclosure. Typical uses include automotive head-unit power stages, low-voltage car-radio systems, four-channel bridge-tied speaker drives, and aftermarket or OEM audio modules designed around start-stop battery systems. The four-output architecture simplifies board-level channel allocation compared with separate amplifier packages, provided the design includes adequate supply filtering, protection, and thermal management. A key implementation trade-off is thermal capability. The 25-Flexiwatt package is intended to dissipate substantial heat, but the PCB must provide the manufacturer-recommended copper and thermal interface. Users should also verify speaker impedance, load configuration, supply limits, and automotive transient requirements against the current datasheet before production release, since those operating details are not included in the distributor snippets reviewed. This product data combines the verified STMicroelectronics product description, distributor classification, package details, low-voltage control information, and pop-performance guidance with practical application and design guidance. It also distinguishes documented capabilities from parameters that still require confirmation from the manufacturer datasheet.

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STPA003CD-48X - 4x52W Class AB Audio Amplifier | STMicroelectronics
STPA003CD-48X

STPA003CD-48X - 4x52W Class AB Audio Amplifier | STMicroelectronics

The STMicroelectronics STPA003CD-48X is a four-channel, Class AB MOSFET audio power amplifier rated at 4 x 52 W, with output power described as 85 W per channel into a 2 ohm load. It is designed for high-power automotive radio and other low-voltage audio systems and is available in a vertical 27-Flexiwatt through-hole package. The device also includes low-voltage operation, clip detection, offset detection, and strong GSM noise immunity. An automotive audio power amplifier is an integrated circuit that accepts low-level audio inputs and drives loudspeakers through power MOSFET output stages. The STPA003 belongs to the MOSFET Class AB amplifier family, a subtype of audio amplifier and analog power-management IC. Class AB operation combines low crossover distortion with useful power efficiency, making it suitable for continuous loudspeaker drive where fidelity and thermal robustness matter more than the efficiency of a switching amplifier. Key features include four independent amplifier channels, a 4 x 52 W headline output rating, 85 W per channel capability into 2 ohms, and a 27-Flexiwatt vertical package. The low-voltage operating design supports start-stop automotive battery profiles. Clip and offset detection provide system-level diagnostic functions, while the reported GSM noise immunity helps preserve audio quality in electrically noisy vehicle environments. The MOSFET output architecture is intended to combine high output-current capability with low distortion. Published distributor data identifies a nominal output power of 55 W and harmonic distortion of 0.01%, while the manufacturer describes the STPA003 family as designed for high-power car radio applications. Exact test conditions, protection thresholds, channel-to-channel gain matching, and detailed thermal data require review of the manufacturer datasheet before a production design is released. Typical applications include automotive head units, high-power car-radio channels, four-speaker cabin systems, low-voltage multimedia systems, and auxiliary automotive audio racks. In a bridge-tied-load implementation, the amplifier can drive four loudspeaker channels while reducing the number of external output networks normally associated with single-ended amplifier stages. A critical design consideration is the thermal path from the 27-Flexiwatt package to the printed circuit board. Copper area, through-hole thermal dissipation, enclosure airflow, ambient temperature, and the sustained loudspeaker load determine whether the amplifier operates within its intended limits. Input and output network design must also preserve low distortion across the complete audio bandwidth. This product record consolidates the verified manufacturer and distributor information into an engineering-focused reference covering package characteristics, application suitability, verified drop-in candidates, and practical selection considerations that are not presented as a substitute for the complete STMicroelectronics datasheet.

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STPA003HSD-48X - 4x52W Class AB Audio Amplifier
STPA003HSD-48X

STPA003HSD-48X - 4x52W Class AB Audio Amplifier

STMicroelectronics STPA003HSD-48X is a four-channel, MOSFET class AB bridge-tied-load audio power amplifier rated for 4 x 52 W output in the 27-Flexiwatt vertical package. The device is designed for high-power car-radio and automotive audio systems operating from a low-voltage battery supply. Its four-channel configuration supports four BTL speaker outputs, while integrated clip detection and offset detection provide fault information for system monitoring. A bridge-tied-load audio amplifier is a power-management semiconductor that drives a speaker differentially. Unlike a single-ended amplifier, a BTL output applies the audio waveform across the two speaker terminals, increasing usable output voltage into the load. The STPA003 combines this output topology with MOSFET output devices, class AB conduction, and a high-side driver. These characteristics place it within the hierarchy of audio amplifier IC, power amplifier, analog power IC, and semiconductor. The primary headline specifications are 4 x 52 W output power, four-channel class AB operation, and the 27-Flexiwatt vertical package. The verified manufacturer description also identifies low-voltage operation, high sound quality, excellent GSM noise immunity, clip detection, and offset detection as central device features. The quad-channel arrangement can reduce the number of amplifier packages needed in a multichannel automotive head unit or radio while retaining individual-channel fault monitoring. The STPA003 is specifically intended for high-power car-radio applications. Its low-voltage operation is relevant to automotive systems where supply conditions can vary, while the specified GSM noise immunity helps preserve audio quality in electrically noisy environments. Clip detection can identify output overdrive conditions, and offset detection can flag undesirable output bias. These monitoring functions support safer system integration when paired with suitable diagnostic circuitry. Typical applications include automotive head units, car-radio systems, multi-zone cabin audio, powered speaker arrangements, and low-voltage audio infrastructure. The four-channel BTL architecture is particularly useful where four speakers or stereo front and rear channels must be driven from one power-amplifier package. Installation still requires correct speaker impedance, supply decoupling, thermal planning, output filtering, and protection against wiring faults. The primary design consideration is to follow the manufacturer datasheet for pin assignment, exposed-pad or thermal-pad connection, output filtering, input network, and application limits. Automotive battery power also requires transient and reverse-polarity protection outside the IC when required by the system specification. PCB copper area and thermal vias directly affect heat dissipation from the 27-Flexiwatt power package. This page consolidates verified manufacturer and distributor information for engineering selection, including output topology, channel count, package identity, fault features, pricing context, and design considerations. It also separates explicitly documented characteristics from parameters that still require confirmation from the complete manufacturer datasheet or application-specific data.

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STPA008-48X - 4x50W Class AB Audio Amplifier | ST
STPA008-48X

STPA008-48X - 4x50W Class AB Audio Amplifier | ST

STMicroelectronics STPA008-48X is a four-channel, Class AB audio power amplifier delivering 4 x 50 W into a 27-Flexiwatt vertical package. Designed primarily for high-power car-radio systems, the device combines four independent MOSFET output amplifiers with standby, mute, offset detection, clipping detection, and diagnostic functions. According to the manufacturer datasheet, it can operate from a 6 V battery supply, supporting low-voltage and start-stop automotive operating profiles while preserving useful output swing and sound quality. An audio power amplifier converts low-level audio signals into a current and voltage capable of driving loudspeakers. The STPA008 belongs to the Class AB amplifier hierarchy, where output devices conduct continuously to reduce crossover distortion compared with Class D designs. It also sits within the broader automotive audio power-amplifier category. Its four independent channels make it suitable for conventional four-speaker systems using bridge-tied-load outputs, while its diagnostic features help system designers identify faults in complex vehicle audio installations. Key characteristics include a fully complementary P-channel and N-channel MOSFET output stage, rail-to-rail output-voltage swing, high output current, minimized saturation losses, low-voltage operation down to 6 V, standby and mute control, offset detection, clipping detection, and a diagnostics output. The manufacturer describes the architecture as providing high sound quality and excellent GSM-noise immunity, which are useful attributes in automotive environments where radio-frequency interference can otherwise affect audio playback. The STPA008-48X targets high-power car-radio and automotive infotainment applications rather than portable headphone outputs or very small consumer speakers. Four independent Class AB channels allow a compact solution for multi-speaker vehicle systems without requiring four separate monolithic amplifier packages. The vertical 27-Flexiwatt package is intended for PCB mounting and careful thermal design; class-AB dissipation and automotive ambient conditions must be considered when sizing copper areas and heat spreading. Engineers should follow the manufacturer’s reference layout and pin-connection requirements, preserve the intended bridge-tied-load topology, and decouple supply rails close to the device. The offset detector, clipping detector, standby pin, mute pin, and diagnostics output must be connected according to the datasheet. The 6 V minimum supply supports start-stop systems, but headroom above 6 V is generally necessary to achieve the specified 4 x 50 W output without entering clipping or thermal limits. This product summary combines the verified STMicroelectronics product information with distributor availability, package details, application guidance, and the only identified cross-brand comparison candidate. It distinguishes confirmed device attributes from package drawings and electrical values that could not be independently verified from the supplied search results.

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STPA008-4WX - 4x50W Class AB Audio Amplifier | STMicroelectronics
STPA008-4WX

STPA008-4WX - 4x50W Class AB Audio Amplifier | STMicroelectronics

STMicroelectronics STPA008-4WX is a four-channel, 50 W-per-channel Class AB BTL audio power amplifier built with MOSFET output stages and supplied in a 25-Flexiwatt vertical package. It operates from a minimum supply voltage of 6 V and integrates four independent amplifier channels for automotive audio systems. The 6 V operating capability supports low-voltage and start-stop battery operating profiles, while the MOSFET architecture targets high sound quality and automotive EMI robustness. An automotive audio power amplifier is a multi-channel integrated circuit that accepts low-level audio inputs and drives loudspeaker loads through differential, bridge-tied-load outputs. In the product hierarchy, the STPA008-4WX is an audio amplifier IC, a class AB amplifier, a BTL output stage, a MOSFET power amplifier, and an automotive power-management and signal-conditioning device. Its four-channel architecture reduces the number of separate output amplifiers required in a car-radio or infotainment system. The principal device ratings are 4 x 50 W output power, a 6 V minimum operating supply, four independent Class AB channels, and a 25-Flexiwatt vertical package. Additional verified functions include standby and mute controls, an offset detector, and 3.3 V CMOS-compatible standby and mute pins. The Flexiwatt27 version adds clipping detection and a diagnostics output, but those functions are not listed for the Flexiwatt25 STPA008-4WX version. Each channel uses a bridge-tied-load topology, allowing the amplifier to drive a loudspeaker differentially and deliver the stated 50 W output capability without a single-ended output connection. The manufacturer describes the device as a complementary quad audio amplifier with MOSFET output devices. The offset detector can support system monitoring, while the mute and standby inputs permit the host head unit to control audible output and low-power states independently of the audio source. Typical applications include automotive head units, car-radio systems, automotive infotainment amplifiers, low-voltage start-stop audio systems, and multi-channel vehicle loudspeaker drives. Operation down to 6 V is particularly relevant where the battery can fall below a conventional 12 V nominal level during engine stop. The four-channel quad structure allows left and right front speakers and left and right rear speakers to be driven from one power-amplifier package. Power-supply layout, speaker return paths, and input filtering are critical in this application. The manufacturer application circuit specifies input capacitors equal to one quarter of the capacitor connected to the AC-GND pin for optimum pop performance. RC networks must be placed on both mute and standby pins to smooth transitions and suppress audible transients, and the amplifier requires careful thermal design because it can dissipate substantial power in a compact package. This product record combines manufacturer and distributor information with application-specific design guidance, verified pricing references, comparison parameters, and drop-in candidate analysis. It distinguishes the STPA008-4WX from the Flexiwatt27 version and identifies where additional technical data or a verified pin-to-pin cross-reference is still required before a substitution is approved.

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STPA008-QIX - 4x50W Class AB Audio Amplifier | STMicro
STPA008-QIX

STPA008-QIX - 4x50W Class AB Audio Amplifier | STMicro

The STMicroelectronics STPA008-QIX is a 4-channel, 4 x 50 W MOSFET quad-bridge Class AB audio power amplifier packaged in 25-Flexiwatt (Horizontal). It combines four independent output amplifiers with standby and mute control, making it suitable for high-power automotive audio systems, including car-radio head units. The device operates down to a 6 V battery voltage, supporting start-stop vehicle battery profiles in which the supply can fall below conventional automotive operating voltages. An audio power amplifier is an integrated circuit that converts low-level audio signals into high-current outputs capable of driving loudspeakers. The STPA008 belongs to the Class AB power-amplifier hierarchy, where the output transistors conduct for more than half of each signal cycle. Compared with a switching amplifier, this topology supports a conventional analog signal path and is specifically identified for high-power car-radio applications. Its MOSFET-based complementary output stage provides four amplification channels in one package. Key verified features include four independent 50 W output stages, Class AB operation, a 6 V minimum operating supply, standby and mute functions, and an offset detector. The manufacturer describes the device as a low-voltage, high-sound-quality bridge-tied-load amplifier with improved GSM noise immunity. The Flexiwatt25 horizontal package is the -QIX ordering form identified by DigiKey, while the manufacturer datasheet also documents a distinct Flexiwatt27 option with clipping detection and a diagnostics output. Technically, the quad-bridge architecture is intended to increase usable speaker output power and reduce the number of separate amplifier packages required in a multichannel head unit. The offset detector helps identify undesirable amplifier-channel DC offset. Features such as clipping detection and diagnostics output belong to the Flexiwatt27 configuration according to the manufacturer overview and should not be assumed to be present in the Flexiwatt25 -QIX device without checking the package-specific pinout. Typical applications include automotive head units, car-radio systems, four-channel speaker arrangements, and low-voltage vehicle audio platforms. The 6 V operating capability is particularly relevant to start-stop vehicles, where engine shutdown can transiently reduce the battery voltage while audio equipment remains connected. System designers must still verify speaker impedance, thermal dissipation, supply layout, and automotive qualification requirements for the complete end product. The most important design consideration is thermal management because a 4 x 50 W device can dissipate substantial power in a multi-channel bridge configuration. The 25-Flexiwatt package requires a correctly implemented PCB heat-spreading structure, and each channel must remain within its allowed output conditions. Input, output, supply, and return paths should be laid out to minimize coupling between four high-current output stages and sensitive audio inputs. This product data consolidates the verified manufacturer overview, distributor identification, package information, and application details into an engineering-focused resource. It also distinguishes confirmed STPA008 capabilities from package-specific functions that require datasheet verification and explicitly identifies the absence of verified numeric pricing and drop-in substitute data.

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STPCC5HEBC - 133MHz x86 Set-Top Box SoC | STMicroelectronics
STPCC5HEBC

STPCC5HEBC - 133MHz x86 Set-Top Box SoC | STMicroelectronics

The STMicroelectronics STPCC5HEBC is an application-specific x86 system-on-chip for set-top boxes and television equipment, operating at 133 MHz and supplied in a 388-ball BGA package. Verified listings also identify external program memory, EBI/EMI, I2C, and IDE connectivity, while describing the device as a PC-compatible information-appliance SoC. These specifications position the component within the embedded processor and application-specific microcontroller hierarchy rather than the general-purpose microcontroller category. An application-specific system-on-chip integrates processor logic and application-oriented interfaces into one high-density device. Unlike a discrete CPU implementation, an SoC can reduce the number of supporting components and consolidate functions needed by set-top and information-appliance products. The STPCC5HEBC combines an x86-compatible processing core with interfaces associated with television and embedded storage systems, making it primarily relevant to legacy and specialized equipment designs. The most significant verified attributes are the 133 MHz operating frequency, x86 instruction-compatible core, 388-BGA package, external program-memory architecture, and support for EBI/EMI, I2C, and IDE. The external-memory arrangement permits program storage to be implemented outside the SoC, while the listed I2C and IDE interfaces support peripheral expansion and storage-controller connectivity. The 388-BGA format provides a high pin count for this mixed embedded platform. Technical interpretation should focus on architecture and board-level integration. Because the STPCC5HEBC is presented as an x86 set-top-box processor, software compatibility depends on the target operating environment and available external memory. Its 133 MHz clock is characteristic of an embedded information-appliance processor rather than a modern desktop CPU. Published source material available in the verified data does not provide complete electrical tables, memory dimensions, voltage ratings, or thermal limits, so those values must be confirmed from the original manufacturer documentation before design release. Typical uses include digital set-top boxes, television controllers, information appliances, and embedded systems that require an x86-compatible execution environment. I2C is useful for low-speed configuration and control peripherals, while IDE-style connectivity can support compatible storage or expansion hardware. External program memory allows system designers to separate executable storage from the processor package, though board routing and memory-controller compatibility remain critical. The principal design consideration is not to substitute the STPCC5HEBC for a modern MCU based only on its BGA package. Pin assignment, ball functions, supply rails, boot behavior, external-memory requirements, and interface voltage levels must be matched exactly to the original system design. Because no verified drop-in substitute was identified, replacement decisions should rely on complete manufacturer documentation rather than generic cross-reference results. This page consolidates the verified distributor and manufacturer-linked data for STPCC5HEBC and clearly separates confirmed facts from unavailable technical details. It also records sourcing, package uncertainty, commercial-data limitations, and the absence of a verified pin-to-pin replacement, providing engineers with a safer basis for legacy set-top-box and television system assessment.

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STPCI2GDYI - 120MHz x86 Graphics SoC | STMicroelectronics
STPCI2GDYI

STPCI2GDYI - 120MHz x86 Graphics SoC | STMicroelectronics

STMicroelectronics STPCI2GDYI is a 120 MHz x86-compatible graphics controller system-on-chip designed for embedded terminal and display systems, supplied in a 516-pin plastic BGA package. The device combines an x86 processor core with a 64-bit SDRAM unified-memory architecture, enhanced 2D graphics, VGA/SVGA CRT controller capability, a 135 MHz RAMDAC, video input processing, an up-scaler, video color-space conversion, and chroma color-key support. These features allow legacy display, video, and computer-oriented functions to be consolidated into one highly integrated terminal SoC. An x86-compatible system-on-chip is an application-specific semiconductor that combines a processor architecture with tightly coupled memory, graphics, and peripheral controllers. In the product hierarchy, STPCI2GDYI is an x86 graphics controller, microprocessor/MPU, system-on-chip, embedded processor, and integrated circuit. Its unified-memory design is significant because the CPU, graphics engine, and video subsystem can operate within a shared memory architecture rather than requiring a conventional separate display-memory interface. The verified product information identifies a 120 MHz x86 core, external program memory support, enhanced 2D graphics, VGA and SVGA output, a 135 MHz RAMDAC, and an integrated video pipeline. The 135 MHz RAMDAC value belongs to the graphics subsystem, while 120 MHz identifies the x86 processor operating frequency; these values describe different internal blocks and should not be interpreted as interchangeable clock specifications. The exact memory organization, I/O standards, electrical limits, operating-temperature range, and power ratings are not included in the supplied source data. STPCI2GDYI is positioned for embedded terminals, thin clients, point-of-sale systems, industrial operator interfaces, and other systems that require PC-compatible instruction-set support with integrated graphics and video capture. Its unified-memory architecture can simplify system design where display, capture, and processing tasks share data. Compared with a discrete CPU-plus-graphics implementation, consolidation can reduce board complexity, although the very large 516-pin BGA requires careful escape routing and a correspondingly complex PCB and assembly process. The most important design constraint is package complexity. A 516-pin BGA is not a hobbyist-scale footprint and normally demands multilayer PCB construction, fine-pitch escape routing, via-in-pad or microvia techniques where appropriate, and controlled reflow profiles. Designers must follow the manufacturer’s pinout, reference layout, power-supply, clock, memory, and graphics-interface requirements exactly; the supplied data does not expose the individual 516 pin assignments. This product page consolidates verified distributor and datasheet-index information, separates the 120 MHz processor clock from the 135 MHz RAMDAC clock, and distinguishes confirmed capabilities from parameters that still require datasheet verification. It also provides selection guidance, application analysis, procurement checks, and a structured view of the unusually large BGA package without inventing electrical specifications, lifecycle details, or drop-in replacements.

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STPCI2HEYC - 133 MHz x86 Terminal SoC | STMicroelectronics
STPCI2HEYC

STPCI2HEYC - 133 MHz x86 Terminal SoC | STMicroelectronics

STMicroelectronics STPCI2HEYC is a 133 MHz x86-compatible PC system-on-chip designed for terminals, graphics controllers, and embedded display systems, supplied in a 516-pin plastic BGA package. It combines a 64-bit bus architecture, a 64-bit DRAM controller, an integrated SVGA graphics controller, a 135 MHz RAMDAC, a video scaler, a digital PAL/NTSC encoder, a video input port, a CRT controller, and a PCI master interface. The part is also identified as the STPC Atlas x86 system-on-chip and is categorized as an application-specific microcontroller with external program memory. An x86-compatible system-on-chip is an integrated processor platform that consolidates a PC-compatible computing core and common peripheral controllers into one device. In the hierarchy of semiconductor solutions, STPCI2HEYC belongs to the x86 microprocessor family, within the broader embedded microprocessor and system-on-chip categories. Unlike a discrete industrial PC, a terminal-oriented SoC can consolidate graphics, video, memory control, and PCI host functionality into one high-pin-count package. This integration supports compact designs intended to drive displays, decode video, and communicate through a PCI-based system architecture. The primary electrical and functional highlights include a stated operating frequency of 133 MHz, a 64-bit internal bus architecture, external program-memory support, and integrated legacy display and video functions. The SVGA controller, 135 MHz RAMDAC, scan converter, and three-line flicker filter are particularly relevant to CRT-based terminal designs. The digital PAL/NTSC encoder expands support for composite video, while the video input and scaler support multimedia signal routing. The PCI master interface allows the SoC to operate as a bus master in a wider embedded platform. Technical selection is tightly coupled to legacy display architecture. The 516-BBGA package is large relative to modern mixed-signal and embedded processors, but it supports the extensive mixed-signal, memory, graphics, PCI, power, and ground connections expected from a PC-compatible terminal SoC. Designers must follow the manufacturer's pinout, reference design, power-supply requirements, memory configuration, and PCB layout guidance exactly. Because this package is not represented in the available SVG library and a complete verified 516-pin assignment is not supplied in the source data, no pin names or electrical limits have been inferred here. Typical uses include industrial terminal controllers, point-of-sale terminals, digital signage controllers, set-top-style appliances, and embedded systems requiring an x86 software environment with integrated graphics and PCI host capability. Its 133 MHz clock reflects a legacy PC-compatible architecture rather than a modern high-performance embedded processor. The integrated graphics and video blocks can reduce the need for separate display adapters in purpose-built equipment, although the complete board still requires carefully designed memory, video output, synchronization, and bus interfaces. The principal design consideration is that STPCI2HEYC is a highly application-specific legacy SoC rather than a general-purpose microcontroller. Board developers should preserve the reference platform's memory topology and signal timing, use supported external devices, and validate display compatibility before production. Procurement should also confirm availability, revision identity, and manufacturing status with the authorized distributor because the verified datasheet listing describes the component as obsolete. This page distinguishes documented capabilities from unavailable details and does not infer electrical characteristics or replacement parts that are not established by the supplied sources. This page consolidates the verified distributor, manufacturer-datasheet-index, and cross-reference search information for STPCI2HEYC, including its documented x86, graphics, video, memory, PCI, package, frequency, and pricing facts. It also identifies the critical engineering data that remains unavailable, preventing unsupported assumptions about pin assignments, power rails, operating temperature, compliance, lifecycle, and direct drop-in replacements.

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STPIC6C595TTR - Power Logic 8-Bit Shift Register 16-TSSOP | ST
STPIC6C595TTR

STPIC6C595TTR - Power Logic 8-Bit Shift Register 16-TSSOP | ST

The STMicroelectronics STPIC6C595TTR is a monolithic medium-voltage, low-current power 8-bit shift register designed for systems that drive moderate loads such as LEDs, relays, and solenoids. The device features eight 100 mA DMOS open-drain outputs with a 33 V output clamp, 4 ohm typical on-resistance, 250 mA current-limit capability per channel, and 30 mJ avalanche energy rating, all packaged in a 16-pin TSSOP with exposed pad for improved thermal dissipation. The serial-in/parallel-out shift register accepts a CMOS-compatible clock and serial data input, includes an output enable, and supports device cascading via a serial data output for multi-chip LED matrix designs. A power logic shift register is a serialized-to-parallel driver that integrates low-RDS(on) DMOS output transistors inside the same die as the shift register logic, eliminating the need for external power transistors, flyback diodes, or current-limiting resistors on every channel. Within the broader taxonomy, the STPIC6C595TTR belongs to the power logic family of integrated drivers, which sits hierarchically between general-purpose logic shift registers (74HC595) and discrete MOSFET arrays. The DMOS outputs include a built-in 33 V inductive-transient clamp, so designers can switch relay coils, solenoids, or long LED strings without adding free-wheeling diodes externally. Key differentiated specifications include 100 mA continuous output current per channel, 4 ohm typical on-resistance at logic-level gate drive, 33 V output clamp voltage for inductive switching, 250 mA current-limit capability, and serial clock rates up to 10 MHz typical. The TSSOP-16 exposed-pad package lowers thermal resistance to approximately 45 C/W on a 1 oz copper 4-layer board, enabling eight outputs to deliver full current simultaneously without a heatsink in well-designed layouts. Architecturally, the device uses a TTL-compatible serial interface and an internal low-side DMOS array. Each output is a current-limited open-drain structure that actively regulates inrush current to about 250 mA when shorted or when switching highly capacitive loads. The combination of shift register, output latch, output enable, and cascadable serial data output makes it a complete serialized power-driver stage in a single small-outline package. Typical applications include dot-matrix LED displays, 7-segment multiplexed LED panels, relay and solenoid matrices, stepper-motor unipolar winding drivers, and generic indicator or signage lighting strips. The wide output-compliance window also suits small incandescent lamps, optocoupler input arrays, and level-shifters for higher-voltage power stages. When routing the PCB, place a 0.1 microfarad decoupling capacitor directly at the VCC pin, route the exposed pad to a generous copper pour, and observe minimal-loop layout rules for the inductive ground return.

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STPM13ATR - Single-Phase Energy Metering IC | STMicroelectronics
STPM13ATR

STPM13ATR - Single-Phase Energy Metering IC | STMicroelectronics

STMicroelectronics STPM13ATR is a single-phase energy metering IC with pulsed output and digital calibration, supplied in a 20-TSSOP package. The verified product listing identifies it as an energy-metering device, while the available distributor description confirms the single-phase meter IC classification and 20-TSSOP package. Its core metering functions are intended for measuring single-phase energy and providing machine-readable output for utility, industrial, and embedded energy-monitoring systems. An energy metering IC is a specialized measurement and control component that converts current and voltage information into accumulated or instantaneous energy-related data. STPM13ATR belongs to the broader hierarchy of energy-metering ICs, measurement semiconductors, analog and mixed-signal integrated circuits, and power-management monitoring devices. Its pulsed output provides a convenient interface for an external counter or system controller, while digital calibration supports configuration and measurement adjustment during manufacturing or system setup. The STPM13 family is described as supporting single-phase energy measurement with sensor inputs suitable for common current-sensing arrangements. The verified listing specifically names shunt, current-transformer, and Rogowski-coil sensors, as well as live and neutral monitoring for STPM13/14 variants. These features allow the device to be evaluated for different meter architectures, but the exact electrical limits, calibration procedure, register map, and timing values must be taken from the manufacturer datasheet. STPM13ATR is packaged in a 20-TSSOP surface-mount package. The package provides a compact form factor for meter electronics, and the available DigiKey result lists the part as a 20-TSSOP single-phase meter IC. Because the supplied data does not include the full electrical tables or a verified pin diagram, individual pin assignments and absolute minimum or maximum ratings are not reproduced here. The manufacturer datasheet should be consulted before PCB routing or production qualification. Typical applications include single-phase residential electricity meters, industrial energy-monitoring equipment, smart-meter power calculations, load-monitoring modules, and embedded systems that consume pulse information. The pulsed output can be connected to a counter, capture input, or energy-management controller. The choice of current sensor and the calibration strategy remain important design decisions because they influence signal conditioning, measurement accuracy, and metrology validation. For a new design, verify the exact STPM13ATR variant, supply requirements, sensor-input configuration, pulse-output behavior, and package pinout against the official STMicroelectronics datasheet. This page combines the verified distributor classification, package information, and family-level feature description with practical sourcing and design guidance.

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STPM33TR - Dual 24-Bit Energy Metering AFE | STMicroelectronics
STPM33TR

STPM33TR - Dual 24-Bit Energy Metering AFE | STMicroelectronics

The STMicroelectronics STPM33TR is a dual single-phase energy-metering application-specific standard product with up to four independent 24-bit second-order sigma-delta ADCs, a 4 MHz oscillator, and two embedded programmable-gain low-noise amplifiers in a 32-QFN 5 x 5 mm package. Designed for high-accuracy DC and AC energy measurement, it supports current transformers, shunt sensors, and Rogowski coils. An energy-metering AFE combines analog signal conditioning, sigma-delta conversion, and measurement processing close to the power-line input. Within the hierarchy of analog front ends, energy-metering ICs, data converters, and power-management semiconductors, this device reduces the need for separate precision converters and preserves low-noise current measurement down to appliance standby levels. The verified device description identifies up to four independent 24-bit second-order sigma-delta ADC channels and two embedded PGLNAs. A 4 MHz oscillator provides the timing reference for the conversion system, while the high-resolution channels support accurate voltage, current, active-energy, and reactive-energy calculations. The 32-QFN package supports compact meter designs without requiring a larger through-hole footprint. The STPM3x family is specifically designed for power-line energy measurement using Rogowski-coil, current-transformer, or shunt-current sensors. By integrating measurement channels and analog gain around the sensor interface, the device helps simplify calibration and reduce sensitive high-impedance routing between external analog circuitry and a metering MCU. Typical uses include single-phase residential electricity meters, smart meters, industrial energy monitors, appliance sub-metering, power-factor monitoring, and DC energy measurement. The same AFE architecture can be used where the design must measure very low current levels, including equipment that spends substantial time in standby. PCB implementation should follow the manufacturer datasheet for QFN thermal-pad assembly, analog grounding, sensor filtering, and exposed-pad connection. Input protection and isolation are application-specific and cannot be assumed from the listed operating range. Before layout release, confirm every pin, voltage, current, accuracy, and calibration parameter against the official STMicroelectronics datasheet. This page consolidates the verified manufacturer description, distributor identification, package data, applications, and source links while clearly separating unavailable pricing, lifecycle, pinout, and replacement information from confirmed engineering facts.

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STPM34TR - 4-ADC 24-Bit Energy Meter AFE | STMicroelectronics
STPM34TR

STPM34TR - 4-ADC 24-Bit Energy Meter AFE | STMicroelectronics

The STMicroelectronics STPM34TR is an energy-metering application-specific standard product with four independent 24-bit, second-order sigma-delta ADCs, 4 MHz oversampling and two embedded programmable-gain low-noise amplifiers, supplied in a 32-pin QFN package with exposed pad. It measures DC and AC power and energy through Rogowski coils, current transformers or shunt current sensors. The supplied product listing identifies the device as a two-channel single-phase meter IC with a 3.3 V-class supply and a 5 x 5 mm footprint. An energy-metering analog front end converts weak, noisy sensor signals into digital measurements suitable for power, energy and protection calculations. Unlike a general-purpose ADC, the STPM3x family integrates metering-specific channels, programmable gain, references and signal conditioning. It supports power-line measurement systems using Rogowski coils, current transformers or shunts, with the sensor choice determining bandwidth, isolation, accuracy and PCB complexity. The four 24-bit second-order sigma-delta channels provide high-resolution acquisition for multiple voltage and current inputs. A 4 MHz oversampling mode can improve conversion performance, while two embedded PGLNAs reduce the need for separate low-noise gain stages in suitable signal paths. Independent reference and channel shutdown controls provide a route to lower power consumption when not every measurement channel is continuously required. The operating supply is verified at 2.95 V to 3.65 V. Distributor and technical listings identify the industrial temperature range as -40°C to +105°C, and the package as a 5 x 5 mm QFN-32 with exposed thermal pad. The exposed pad must be connected to the appropriate ground plane and handled with the thermal layout requirements specified by the manufacturer datasheet. Typical applications include single-phase and three-phase energy meters, utility-grade residential metering, industrial power monitors, appliance energy measurement, solar and building-energy monitoring, and systems using Rogowski coils or isolated current transformers. The STPM34TR is particularly appropriate when the design requires multiple high-resolution measurements and dedicated metering signal conditioning rather than a general-purpose data converter. For a new design, verify sensor compatibility, channel assignment, reference configuration, gain settings, calibration method and exposed-pad thermal management against the manufacturer datasheet before layout. The cited web data does not provide a verified unit price, stock quantity, detailed pin names, RoHS declaration, REACH declaration or automotive qualification status. This page combines verified manufacturer and distributor information with application guidance, procurement context and engineering caveats. Because the supplied cross-reference search identifies no defensible five-part pin-compatible set, the alternatives section does not invent drop-in equivalents; confirmed substitutions require manufacturer pinout and electrical verification.

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STPMS1BPQR - Dual-Channel Smart Sensor | STMicroelectronics
STPMS1BPQR

STPMS1BPQR - Dual-Channel Smart Sensor | STMicroelectronics

The STMicroelectronics STPMS1BPQR is a dual-channel smart sensor IC with two 1-bit, 2 MHz, first-order sigma-delta modulators and an embedded programmable-gain amplifier, housed in a 16-QFN 3 x 3 mm package. It accepts analog sensor inputs and provides digital outputs for measurement systems using Rogowski coils, current transformers, or shunts. Its stated operating supply range is 3.2 V to 5.5 V. A smart sensor interface IC is an application-specific signal-processing device that converts a physical sensor signal into a digital representation. The STPMS1BPQR belongs to the sensor and detector interface hierarchy, combining analog input conditioning, sigma-delta modulation, and digital output signaling in one package. This integration is intended for effective measurement in power-line systems, particularly where current-derived signals require conditioning before digital processing. Each channel uses a 1-bit, first-order sigma-delta modulator operating at 2 MHz. The device also incorporates an embedded PGA, allowing signal gain to be selected for the applied sensor signal. These features make the STPMS1BPQR suitable for compact current-measurement front ends rather than general-purpose analog-to-digital conversion. Its analog input and digital output architecture keeps sensor conditioning close to the measurement source. The 16-QFN package measures 3 x 3 mm and is supplied in tape-and-reel packaging according to the verified distributor data. The exposed-pad package designation is identified in the product listings. Package dimensions and exposed-pad dimensions were not included in the supplied source data, so those physical values should be confirmed against the manufacturer datasheet before a PCB footprint is released. Typical applications include electronic power meters, energy-metering equipment, industrial current monitoring, and protection systems using Rogowski coils or current transformers. The STPMS1BPQR can also serve as the analog front end for shunt-based measurements when its input and gain requirements match the selected sensor. Digital downstream processing requires an appropriate clock and companion calculation or control circuitry. The most important design consideration is signal conditioning. The selected gain must accommodate the sensor output without overloading the analog inputs, and the 2 MHz modulation rate requires a compatible digital clock and filtering strategy. PCB layout should keep sensitive analog inputs away from digital return currents, while the exposed pad requires adequate thermal and electrical copper treatment. This page consolidates the verified distributor specifications, package information, sourcing links, and engineering guidance for the STPMS1BPQR. It also explicitly separates documented facts from unavailable pricing, pin mapping, and substitution data, allowing engineers to make sourcing and design decisions without relying on unverified assumptions.

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