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Produits (39 000+)

FS32K144UAT0VLHT - S32K144 112MHz 512KB Flash MCU | NXP
FS32K144UAT0VLHT

FS32K144UAT0VLHT - S32K144 112MHz 512KB Flash MCU | NXP

The NXP Semiconductors FS32K144UAT0VLHT is an ARM Cortex-M4F S32K microcontroller IC operating at 32-bit, 112MHz, with 512KB (512K x 8) FLASH memory, packaged in a 64-LQFP (10x10). It is part of the S32K1xx family, a scalable 32-bit automotive microcontroller platform with Cortex-M4F core and built-in security and functional safety features. An automotive microcontroller (MCU) is a specialized microprocessor designed for use in vehicle electronic systems. Unlike general-purpose MCUs, automotive-grade MCUs must operate reliably across wide temperature ranges, withstand electrical transients, and often include functional safety mechanisms to comply with ISO 26262. The S32K1xx family is AEC-Q100 qualified and is positioned as an ultra-low-power, mixed-signal MCU targeting body electronics, chassis, and powertrain peripheral applications. Within the broader semiconductor taxonomy: MCU -> microcontroller -> embedded processor -> semiconductor IC. Key features include 512KB of embedded flash, 64KB SRAM, CAN FD (Flexible Data-Rate) controller, FlexIO for flexible peripheral emulation, an HSE-B cryptographic security engine, and up to 112MHz Arm Cortex-M4F core with FPU and DSP extensions. The 64-LQFP (10x10) package provides generous pin count for analog and digital I/O expansion, while integrated low-power run and standby modes suit always-on body applications. The device uses a 40nm process technology and integrates a high-speed 12-bit ADC, comparators, and configurable timer units (FlexTimer). ASIL B/D functional safety compliance is achieved through hardware redundancy and dedicated safety peripherals, enabling deployment in safety-relevant automotive subsystems. A built-in cryptographic security engine (CSEc) supports secure boot and flash security. Typical applications include automotive body control modules, gateway and CAN nodes, chassis domain controllers, battery management system (BMS) companions, industrial PLC I/O, and low-end motor control. AEC-Q100 Grade 1 qualification (-40C to +125C) makes the part suitable for under-hood and cabin automotive environments. When designing with this MCU, ensure external decoupling per the reference manual and validate CAN FD bit-timing against bus topology. The integrated FlexIO can be configured to emulate UART, I2C, SPI, or PWM peripherals when dedicated hardware is exhausted. For functional safety, follow NXP's safety manual and use the watchdog and CRC units as documented. This page synthesizes distributor pricing, drop-in S32K1 alternatives, and design notes drawn from the manufacturer reference manual - information not bundled on a single NXP or distributor page.

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FS32K144UIT0VLHT - S32K144 112MHz 512KB MCU, 64-LQFP | NXP
FS32K144UIT0VLHT

FS32K144UIT0VLHT - S32K144 112MHz 512KB MCU, 64-LQFP | NXP

The NXP FS32K144UIT0VLHT is a 32-bit Arm Cortex-M4F automotive-grade microcontroller from the S32K1 family, operating at up to 112 MHz with 512 KB of on-chip Flash and 64 KB SRAM, housed in a 64-pin LQFP (10x10 mm) package. It integrates one 10/100 Mbps Ethernet MAC with IEEE 1588 support, two Synchronous Audio Interface (SAI) modules, ISELED lighting drivers, and a FlexIO programmable peripheral, making it a general-purpose platform for body electronics and zonal architectures. An automotive microcontroller (MCU) is a ruggedized microprocessor designed to operate across the wider temperature, EMI, and voltage transients of vehicle electrical environments. It combines a CPU core with tightly-integrated Flash, RAM, timers, communication peripherals, and functional-safety features. The S32K1 family sits within NXP's broader automotive portfolio alongside the S32K3 and S32Z/E platforms, all targeting ASIL-B/D-capable body, chassis, and electrification domains. Key features include hardware cryptographic services (CSEc implementing the SHE functional specification), up to two CAN-FD controllers, one SPI/SCI/UART cluster, a 12-bit 1 Msps ADC with up to 32 channels, and a programmable FlexIO peripheral emulating additional UART, SPI, I2C, or I2S interfaces. The CSEc engine handles AES-128, secure key storage, and SHE-compliant boot verification for tamper-resistant firmware updates. Architecturally, the device pairs the Cortex-M4F core (single-precision FPU, DSP extensions) with a low-power Cortex-M0+ core for background housekeeping. Voltage scaling down to 2.7 V at reduced frequency lets the part enter low-power STOP/VLPS modes while retaining RAM and selected peripherals, enabling standby currents in the low-microampere region and ISO 17981 Part 7 standby compliance for body ECUs. Typical applications include automotive body domain controllers, HVAC modules, seat-control ECUs, LED lighting via ISELED, gateway modules bridging CAN-FD with Ethernet, and industrial PLCs requiring functional safety up to ASIL-B. Designers choose this part when 512 KB Flash and Ethernet connectivity are needed without stepping up to the larger 100-pin S32K144 variants.

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FS32K144WAT0WLFT - S32K144 80MHz 512KB Flash MCU | NXP
FS32K144WAT0WLFT

FS32K144WAT0WLFT - S32K144 80MHz 512KB Flash MCU | NXP

The NXP Semiconductors FS32K144WAT0WLFT is an automotive-grade 32-bit ARM Cortex-M4F microcontroller in the S32K1 family, delivering up to 80 MHz core performance with 512 KB of embedded Flash memory in a 48-pin LQFP (7x7 mm) package. It integrates CAN FD, LIN, FlexIO, and a hardware cryptographic security engine (CSEc) for secure on-board communications, targeting general-purpose automotive body and chassis applications. A microcontroller (MCU) is an integrated circuit that combines a CPU core, program and data memory, peripherals, and I/O on a single silicon die. Within the broader semiconductor hierarchy, an MCU is a sub-class of microcontroller -> embedded processor -> SoC -> semiconductor device. The S32K1 family further specializes in automotive-grade general-purpose MCUs (GPMs) that meet AEC-Q100 Grade 1/2 qualification, distinguishing it from industrial Cortex-M parts. The M4F core variant adds a single-precision Floating-Point Unit, easing signal-processing and sensor-fusion workloads. Key features include 64 KB SRAM, a 12-bit 1 Msps ADC with up to 16 channels, multiple timer modules (FlexTimer, eMIOS), and rich connectivity through CAN FD, LIN, SPI, UART, and I2C. The CSEc engine provides secure boot, key storage, and AES-128 acceleration, while a separate Cortex-M0+ core on select variants handles hardware security. Wide supply range (2.7 V to 5.5 V) supports both 3.3 V and 5 V automotive rails. The S32K144 architecture uses low-power modes (Halt, Stop, Run) with rapid wake-up via the ARM WFI/WFE instructions, enabling ECUs that draw <30 µA in standby while still supporting CAN wake-up. On-chip memory includes ECC on Flash and SRAM for ASIL-B functional safety support per ISO 26262. The device is qualified to AEC-Q100 Grade 1 (-40°C to +125°C), making it suitable for under-hood and body-domain modules. Typical applications include automotive body control modules (BCM), lighting controllers, seat and mirror modules, HVAC interfaces, CAN/LIN gateway nodes, and small sensor ECUs. Its combination of CAN FD, CSEc, and AEC-Q100 reliability targets the modern vehicle network where encrypted, low-latency communication and deterministic behavior are required. When designing with the FS32K144WAT0WLFT, ensure the chosen variant includes the peripherals your firmware expects - the LQFP-48 footprint limits exposed peripheral counts versus the LQFP-64 or LQFP-100 packages. Use the S32K1 SDK and configuration tools (S32 Config Tools, EB tresos) to validate pin allocation and peripheral routing before layout. This page synthesizes distributor pricing, parametric cross-reference data, and practical design notes for the FS32K144WAT0WLFT not found in the bare manufacturer datasheet.

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FS32K148HAT0MLLT - S32K148 Arm Cortex-M4F 80MHz MCU | NXP
FS32K148HAT0MLLT

FS32K148HAT0MLLT - S32K148 Arm Cortex-M4F 80MHz MCU | NXP

The NXP Semiconductors FS32K148HAT0MLLT is an automotive-grade 32-bit Arm Cortex-M4F microcontroller from the S32K1 family, featuring a 2 MB flash program memory, 256 KB SRAM, and an 80 MHz CPU core. It is housed in a 100-pin LQFP (14x14 mm) package qualified to the AEC-Q100 standard for body electronics and gateway applications. The device integrates dual CAN FD controllers, FlexIO, Ethernet MAC, and hardware cryptographic acceleration (CSEc) for ASIL-B functional safety use cases. A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on one die. The S32K1 family specifically targets automotive and high-reliability industrial applications, so each member must combine deterministic real-time response with low-power operating modes and functional-safety features. As part of the S32K1 platform, the FS32K148HAT0MLLT positions itself between the lower-pin S32K11x and the high-pin S32K14x variants for body domain controllers, gateway ECUs, and industrial control units. Key features of this part include 2 MB (2M x 8) flash with ECC, 4 KB EEPROM emulation area, 32 channels of 12-bit SAR ADC and one 8-bit DAC, an internal oscillator, and an operating voltage range of 2.7 V to 5.5 V. Cryptographic services, secure boot, and HSE firmware are provided by the on-chip CSEc security engine, and the FlexIO peripheral can emulate additional serial interfaces. The LQFP-100 footprint offers generous ground and power pins for clean analog performance in mixed-signal designs. The Cortex-M4F core includes a single-precision FPU, DSP extensions, and a Memory Protection Unit (MPU). Combined with the tightly-coupled peripheral crossbar, this allows deterministic interrupt latency for time-critical automotive control loops. Peripherals such as FlexCAN, FlexIO, LIN, and Ethernet are wired through NXP's configurable peripheral trigger router for flexible DMA-driven I/O. Typical applications include automotive body controllers, gateway ECUs, sensor fusion nodes, industrial PLCs, and motor-control driver boards. The 2 MB flash supports large AUTOSAR applications and over-the-air (OTA) staging partitions, while the ASIL-B hardware decomposition makes it a frequent choice for chassis and powertrain subsystems. When designing with this MCU, allocate generous decoupling on every VDD/VSS pair and follow NXP S32K1 reference manual recommendations for HSE secure boot provisioning. Pin compatibility with S32K146 and S32K144 in LQFP-100 enables smooth migration along the family without PCB rework. This page synthesizes distributor pricing, pin-compatible S32K family drop-ins, and design notes that go beyond the manufacturer datasheet to support faster sourcing decisions for automotive and industrial programs.

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FSA2267L10X - 0.35Ω Dual SPDT Analog Switch | onsemi | Audio/Mobile
FSA2267L10X

FSA2267L10X - 0.35Ω Dual SPDT Analog Switch | onsemi | Audio/Mobile

The onsemi FSA2267L10X is a 0.35 Ω low-voltage dual SPDT (Single Pole Double Throw) analog switch housed in a 10-pin MicroPak (UQFN-10) package with exposed thermal pad, optimized for audio and mobile signal routing. Each switch channel features an ultra-low on-resistance of 0.35 Ω typical at VCC = 2.7 V, 0.5 Ω on-resistance flatness, and < 0.5 nA switch off-leakage, ensuring minimal signal attenuation and channel-to-channel crosstalk in high-fidelity audio paths. The device operates from a single 1.65 V to 3.6 V supply, drawing only 1 µA quiescent current, making it well-suited for battery-powered portable applications where standby drain is critical. An analog switch (also called a bilateral switch or transmission gate) is a solid-state device that uses MOSFET transistors to pass or block analog or digital signals with near-ideal behavior: low on-resistance, high off-isolation, and bidirectional current flow. Dual SPDT switches integrate two independent SPDT poles in a single IC, and are widely used in audio jack detection, headphone/microphone multiplexing, USB signal routing, and SIM/MUX switching in mobile phones. The FSA2267L10X belongs to the broader analog switch IC category, which sits hierarchically within interface ICs and signal- conditioning ICs in the mobile platform power-tree. Key features include 2.7 V typical RON, 25 pC charge injection, 50 MHz -3 dB bandwidth, and 60 dB off-isolation at 1 MHz, plus a dedicated enable pin for sub-microamp standby. The 10-MicroPak footprint is only 1.6 mm × 1.3 mm, making it one of the smallest dual SPDT switches in the onsemi portfolio and a drop-in alternative to the FSA2267AL10X (slightly different supply range). Architecturally, each switch uses parallel N-MOSFET and P-MOSFET pass transistors with charge-pump boosting, achieving rail-to-rail signal swing at the I/O pins while keeping RON low across the input common-mode range. Typical applications include smartphone headset audio switching, portable media player line-out routing, and USB 2.0 high-speed signal multiplexing. When designing with this part, place decoupling capacitors within 2 mm of VCC, keep high-frequency analog traces short, and respect the absolute maximum rating of 4.6 V on VCC to avoid latch-up. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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FSA3031UMX - DP3T USB2.0/MHL Switch 12-UMLP | onsemi
FSA3031UMX

FSA3031UMX - DP3T USB2.0/MHL Switch 12-UMLP | onsemi

The onsemi FSA3031UMX is a bi-directional, low-power, high-speed 3:1 dual USB2.0 and Mobile High-Definition Link (MHL) switch configured as a double-pole triple-throw (DP3T) topology. Housed in a 12-pin UMLP package measuring 1.8 x 1.8 mm, it is optimized for switching between dual high-speed or full-speed USB channels and an MHL Rev. 2.0 source inside portable handheld devices. The device supports the data rates required by USB 2.0 (480 Mbps) and MHL (up to 2.25 Gbps on the TMDS link), making it a true multimedia routing switch rather than a simple analog mux. An analog switch, or bilateral switch, is an active semiconductor device that routes high-frequency signals between multiple input/output paths while preserving bandwidth, impedance, and DC offset. Analog switches sit in the signal-path supersystem between passive multiplexers and full protocol-aware interface ICs, and within USB/MHL subsystems they sit below the transceiver PHY and above the connector. The FSA3031UMX belongs to this category and is engineered specifically for handset media-port multiplexing where one physical connector must carry either USB data or an MHL TMDS/control link. Key features include a low on-resistance of approximately 5 ohm (per channel, typical), -3 dB bandwidth exceeding 700 MHz to pass USB 2.0 high-speed and MHL TMDS signals cleanly, low crosstalk of approximately -50 dB at 240 MHz, and an operating voltage range of 1.65 V to 4.5 V suitable for direct Li-ion/battery interfaces. The part integrates ESD protection on the connector-side pins per its datasheet. The FSA3031UMX also provides an integrated logic-controlled select pin for I2C-less GPIO switching, removing the need for an external I/O controller and saving PCB area. Typical applications include cell phones, digital still cameras (DSCs), portable media players (PMPs), tablets, and other handheld consumer devices that share a single micro-USB or similar receptacle between USB data and MHL/HDMI-out via an MHL adapter. Designers favor the FSA3031UMX because its UMLP-12 1.8 x 1.8 mm footprint fits easily under a connector shield, and its low capacitance preserves signal eye margins on the high-speed pair. When designing with this device, place the FSA3031UMX within 5 mm of the connector pins to minimize stub length on the 480 Mbps USB pair, and provide a solid ground reference on the layer directly beneath the UMLP thermal pad. Avoid routing the MHL TMDS pair near noisy DC-DC inductors to preserve eye-diagram margin. This page synthesizes distributor pricing, application context, and design considerations beyond what appears in the onsemi datasheet.

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FT2232HQ-REEL - Hi-Speed USB 2.0 Dual UART/FIFO | FTDI | 64-QFN
FT2232HQ-REEL

FT2232HQ-REEL - Hi-Speed USB 2.0 Dual UART/FIFO | FTDI | 64-QFN

The FTDI FT2232HQ-REEL is a Hi-Speed USB 2.0 slave to dual-channel UART / Serial Converter IC housed in a 64-pin QFN (9x9 mm) package with USB data rates up to 480 Mbps. It integrates two independent configurable interface channels that can be independently programmed as UART, FIFO, I2C, SPI, or bit-bang GPIO interfaces from the same device. The part operates from a 1.62 V to 3.63 V supply and supports the FTDI 5th-generation USB bridge feature set. A USB bridge IC such as the FT2232HQ-REEL is a category of interface controller that connects a USB host to one or more peripheral serial or parallel buses. Within the broader system hierarchy it sits at USB 2.0 peripheral controller -> bridge controller -> interface IC -> mixed-signal semiconductor. Its core function is to translate USB transactions into legacy industrial serial or parallel protocols without requiring host-side driver development beyond the FTDI VCP/D2XX driver stack. Key differentiating specifications include dual independent configurable channels (each can be UART, FIFO, I2C, SPI, JTAG, or bit-bang), 480 Mbps USB 2.0 High-Speed PHY on-chip, integrated 3.3 V LDO and power-on reset, programmable baud rate up to 12 Mbaud (UART mode) and clock generator output, plus hardware flow control (RTS/CTS, DTR/DSR) and remote wake-up support. Each channel has its own 4 KB receive / 4 KB transmit buffer. Architecturally the FT2232HQ-REEL uses a hardwired USB 2.0 PHY plus a 16-bit internal datapath with on-chip PLL and ROM-based firmware. Compared with its FT2232H predecessor the HQ suffix designates the Hi-Speed USB 2.0 variant in the same QFN-64 pinout, enabling the same PCB layout to support both legacy and high-speed designs. Compared with the FT232H single-channel part, the FT2232HQ adds a second fully independent interface channel. Typical applications include USB-to-UART debug bridges for embedded MCUs, FPGA / DSP JTAG programmers (Xilinx, Altera/Intel), industrial USB-to-RS485/RS422 converters, USB instrument front-ends (oscilloscopes, logic analyzers), and USB-to-SPI / I2C host adapters. The wide 1.62 V to 3.63 V core supply lets it interface directly with 1.8 V, 2.5 V, and 3.3 V logic families. When designing with the FT2232HQ-REEL, plan the PCB layout to keep the 12 MHz crystal traces short and symmetric, and place the 33 ohm USB D+/D- series resistors within 4 mm of the IC. Use FTDI's VCP drivers for legacy COM-port emulation, or the D2XX direct driver for higher throughput and bit-bang access. This page synthesizes distributor pricing, verified pin-compatible drop-in alternatives, and practical PCB design notes that supplement the manufacturer datasheet.

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FT2233HPQ-TRAY - USB 3.0 Type-C/PD Bridge, 2-Ch UART+IC | FTDI
FT2233HPQ-TRAY

FT2233HPQ-TRAY - USB 3.0 Type-C/PD Bridge, 2-Ch UART+IC | FTDI

The FTDI FT2233HPQ-TRAY is a Hi-Speed USB 2.0 to dual-channel serial/parallel bridge IC with an integrated USB Type-C and Power Delivery (PD) 3.0 controller, packaged in a 76-pin QFN (9x9 mm) and shipped in tray packaging. It provides two configurable serial channels supporting UART, FIFO, I2C (master only), and SPI (master only) protocols simultaneously, plus two PD ports (PD port 1 dual-role, PD port 2 sink-only) for power negotiation up to 100 W. A USB bridge IC (also called a USB-to-UART bridge or USB interface controller) is a class of mixed-signal interface device that converts between USB host signaling and legacy or modern serial/parallel peripheral buses. The hierarchy: USB bridge IC -> interface IC -> integrated circuit -> semiconductor. These devices eliminate the need for an external microcontroller in many embedded designs by transparently handling USB enumeration, protocol conversion, and driver support on the host side, freeing the application processor from real-time bus servicing. Key features include USB 3.0 physical-layer compliance (operates at USB 2.0 Hi-Speed 480 Mbps in this generation), built-in clock generator requiring no external crystal, hardware flow control with programmable baud rate, 8 kB and 48 kB FIFO buffer configurations, hardware power-on reset, wake-up function, FIFO buffer, and Type-C/PD 3.0 dual-role negotiation. The 32-bit internal architecture executes the full Type-C state machine and PD protocol layer without external firmware. The FT2233HPQ-TRAY integrates a 32-bit MCU core that handles USB enumeration, Type-C orientation detection (CC1/CC2), PD protocol messaging, and channel multiplexing between the two serial interfaces. Two voltage supply rails are required: VCC (3.3 V nominal, 2.97 V to 3.63 V range) for I/O logic and an internal 1.2 V core rail (1.08 V to 1.32 V) generated by an internal LDO. Typical supply current is 22.37 mA during active USB enumeration. Typical applications include USB-to-dual-UART debug consoles on industrial SBCs, USB Type-C PD sink/source controllers in docking stations and chargers, industrial test and measurement instruments, USB-to-SPI/I2C bridges for FPGA configuration and EEPROM programming, and embedded development kits requiring transparent USB-to-JTAG/UART bridging. When designing with this device, route the CC1/CC2 lines with 5.1 kohm pull-downs for UFP advertisement or use the integrated Rp/Rd, ensure USB DP/DN traces are 90 ohm differential with length matching under 150 mils, and provide bulk 10 uF plus 100 nF decoupling on both VCC and VPLL rails within 2 mm of the package pins. The exposed pad (EP) must be soldered to a continuous ground plane with thermal vias for heat dissipation under sustained PD negotiation load.

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FT230XS-R - USB 2.0 to UART Bridge, 3 Mbaud, SSOP-16 | FTDI
FT230XS-R

FT230XS-R - USB 2.0 to UART Bridge, 3 Mbaud, SSOP-16 | FTDI

The FTDI FT230XS-R is a single-chip USB 2.0 Full Speed to basic UART bridge IC capable of UART data rates up to 3 Mbaud, housed in a 16-pin SSOP package with a typical operating current of only 8 mA. It integrates the complete USB protocol stack on-chip and is supplied on tape-and-reel (the R suffix) for automated assembly. A USB-to-UART bridge is a class of interface ICs that converts USB 2.0 packets into asynchronous serial data, sitting within the broader hierarchy: USB bridge -> UART interface IC -> interface IC -> integrated circuit. These devices let a host PC talk to a microcontroller or another UART-based peripheral through a virtual COM port created by the chip's driver stack, removing the need for an external MCU-side USB stack. Key features of the FT230XS-R include the complete FT-X series feature set, on-chip handling of the entire USB protocol, optimized pin count for compact PCB designs, configurable I/O drive strength, integrated power-on-reset, UART signal inversion option, internal 3.3V and 1.8V LDO regulators, low operating current of approximately 8 mA, USB suspend current of 125 uA, low USB bandwidth consumption, and UHCI/OHCI/EHCI host controller compatibility. Data rates from 300 baud to 3 Mbaud are supported. Technically, the FT230X contains a USB 2.0 Full Speed (12 Mbps) Serial Interface Engine (SIE), a USB protocol controller, and a UART FIFO controller. FTDI's royalty-free Virtual COM Port (VCP) drivers and D2XX direct drivers are available for Windows, macOS, Linux, and Android, and each chip ships with a unique USB identifier pre-programmed in on-chip OTP memory that designers can customize for OEM branding. Typical applications include USB-to-serial adapter cables, microcontroller programming and debug interfaces, industrial control panels, point-of-sale terminals, and embedded systems that need a quick USB connectivity upgrade over a legacy UART port. Its small SSOP-16 footprint suits space-constrained boards. A key design consideration is that the FT230X is optimized for low pin count and therefore lacks the full modem-control signal set (RTS/CTS/DTR/DSR/RI) found on the larger FT232 series. Designs requiring complete hardware handshake lines should verify signal availability before committing to the optimized pin count. This page synthesizes verified distributor pricing, drop-in alternative analysis, and practical design notes not found in the manufacturer datasheet, providing selection guidance beyond raw specification repetition.

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FT230XS-U - USB to UART Bridge, 3MBd, SSOP-16 | FTDI
FT230XS-U

FT230XS-U - USB to UART Bridge, 3MBd, SSOP-16 | FTDI

The FTDI FT230XS-U is a USB 2.0 Full Speed to asynchronous serial UART bridge IC housed in a 16-pin SSOP package, delivering data rates up to 3 MBaud with 8 mA typical operating current. It integrates the entire USB protocol stack on-chip, presenting a CDC virtual COM port or FTDI vendor DBC to the host operating system without external firmware development. A USB-to-UART bridge is a mixed-signal interface IC that converts USB differential signalling to a TTL/CMOS asynchronous serial stream, eliminating the need for a traditional RS-232 transceiver or MCU-based USB stack. The FT230X family sits in the broader USB-to-serial category alongside USB-to-SPI and USB-to-I2C bridges, providing the simplest serial-only path for adding USB to embedded designs where PCB real estate is constrained and a 4-wire UART is sufficient. The FT230XS-U operates from a 4.35 V to 5.25 V internal LDO-derived supply, presents a 512-byte buffer, and supports 7/8-bit data, 1/2 stop bits, odd/even/mark/space/no parity. It includes configurable CBUS pins (GPIO, Tx/Rx LED drive, clock output, sleep wake-up), integrated 3.3 V LDO output for external logic, and full USB suspend/resume signalling. Internal EEPROM stores VID, PID, product string, serial number and CBUS configuration. Typical applications include USB-to-RS232 adapter dongles, debug console interfaces for microcontrollers, USB firmware updaters, point-of-sale terminals, and industrial sensor nodes. The FT230XS-U is the SSOP-16 variant; the FT230XQ is the same die in QFN-16 for ultra-miniature boards. Design consideration: the part requires a 12 MHz external crystal or resonator on the crystal oscillator pins, a USB D+/D- 27 ohm series resistor pair, and VBUS decoupling. Drivers are available for Windows, macOS, Linux and Android as a CDC ACM device. This page combines distributor pricing, drop-in alternatives, and PCB-level design notes not collected in a single place on the manufacturer datasheet, supporting component selection and BOM risk reduction.

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FT231XS-R - USB to Full UART Bridge IC, SSOP-20 | FTDI
FT231XS-R

FT231XS-R - USB to Full UART Bridge IC, SSOP-20 | FTDI

The FTDI FT231XS-R is a USB-to-full-handshake-UART bridge IC that integrates a USB 2.0 Full Speed (12 Mbps) controller, on-chip USB transceiver, clock generation (no external crystal required), and full modem control lines (RTS/CTS, DTR/DSR, DCD, RI) into a single 20-pin SSOP package. It operates from a 4.5V to 5.25V internal LDO supply (VBUS tied to +5V from USB) and supports UART baud rates from 300 baud to 3 Mbaud. The -R suffix denotes tape-and-reel packaging for high-volume assembly. A USB-to-UART bridge IC is a class of interface device that converts USB signaling into a serial (asynchronous) UART protocol so that microcontrollers, microprocessors, and legacy serial peripherals can communicate with a host PC without an external MCU. Bridges belong to the broader category of USB interface ICs > interface ICs > integrated circuits, and the FT231X family specifically sits in the FT-X series second generation, succeeding the older FT232R. The FT231X family adds integrated MTP memory for user-configurable descriptor fields and is offered in three variants by feature set: FT230X (basic UART, fewer lines), FT231X (full modem UART, more GPIOs), and FT234X (TX/RX only). Key features of the FT231XS-R include full hardware handshake support (RTS, CTS, DTR, DSR, DCD, RI), four GPIO pins multiplexed with modem-control functions, an integrated 1024-byte EEPROM (MTP, user-configurable for VID/PID/product string/serial number), a wide operating temperature range of -40C to +85C industrial grade, and low-power suspend current of approximately 125 uA when the USB host is in suspend mode. The chip is RoHS compliant and ships in a small SSOP-20 footprint that drops onto the same PCB land pattern used by the FT232R (SSOP-28 is the larger legacy). The device is supported by FTDI's royalty-free VCP (Virtual COM Port) and D2XX direct-driver libraries, allowing seamless integration with Windows, macOS, Linux, and Android. Architecturally, the FT231XS-R uses an internal 48 MHz oscillator with on-chip PLL to derive the USB 12 MHz clock and the UART baud-rate generator, eliminating the external crystal that older USB-to-UART bridges required. The USB protocol stack is handled entirely in hardware/firmware on the chip, so no host-side USB stack or external MCU intervention is needed for basic UART pass-through. The integrated MTP memory (reprogrammable via USB from the host PC using FTDI's FT_PROG utility) lets OEMs customize VID/PID and descriptor strings without external EEPROM. Typical applications include industrial RS-232 / RS-485 dongles, debug and console ports on development boards, point-of-sale (POS) terminals, microcontroller-to-PC debug bridges, USB instrumentation probes, embedded firmware-flashing fixtures, and any design that needs a reliable, driver-supported USB-to-serial port with full modem-control signals. Its small SSOP-20 footprint and absence of an external crystal make it a strong choice for compact, low-BOM-count boards. When designing with the FT231X, ensure the USB D+/D- pair is routed as a 90 ohm differential trace and the VBUS pin is connected to +5V (or to a 3.3V rail for the FT231XQ variant). For designs migrating from the FT232R, note that the FT231X uses SSOP-20 (smaller than SSOP-28) so the PCB footprint must be redesigned, and the FT232R's external EEPROM is replaced by on-chip MTP memory. This page synthesizes distributor pricing, verified drop-in alternatives (FT231XQ-R for 3.3V operation and the FT230X family for reduced GPIO), and practical PCB layout notes not consolidated in the manufacturer datasheet.

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FT232BL - USB UART IC, USB 2.0 Full-Speed, LQFP-32 | FTDI
FT232BL

FT232BL - USB UART IC, USB 2.0 Full-Speed, LQFP-32 | FTDI

The FTDI FT232BL is a 2nd-generation USB-to-UART interface IC that converts between USB and asynchronous serial data formats, housed in a 32-pin LQFP (7x7 mm) package. It supports USB 2.0 full-speed (12 Mbps) signaling, integrates a 3.3V LDO regulator, and provides a complete UART modem interface with hardware flow control (RTS/CTS/DTR/DSR/DCD/RI). The FT232BL operates from a single 4.35V to 5.25V supply, consumes approximately 25 mA typical operating current, and is USB-IF certified for seamless plug-and-play on Windows, macOS, Linux, and embedded operating systems. An external 93C46/93C56/93C66 EEPROM can be attached to customize USB VID/PID, product strings, and power descriptor fields. According to the FTDI datasheet (DS_FT232BL_BQ.pdf), the device supports UART data rates from 300 baud up to 3 Mbaud with 7 or 8 data bits and configurable parity. The internal clock is derived from a 6 MHz external crystal multiplied to 48 MHz via the on-chip PLL. The FT232BL is the LQFP-32 variant of the FT232B family, while the FT232BQ ships in a 32-pin QFN (5x5 mm) package. Compared to the later FT232R generation, the FT232BL requires an external crystal and external EEPROM, which adds BOM cost but offers more flexible oscillator tuning. The FT232BL also provides CBUS pins (CBUS0-CBUS5) that can be configured via EEPROM for functions such as PWREN#, SLEEP#, TXLED#, RXLED#, and clock outputs. This pin set makes the FT232BL a drop-in workhorse for microcontroller development boards, industrial USB-to-serial converters, programmer/debugger interfaces, and point-of-sale terminals. The integrated 3.3V LDO (pin 6) can supply up to 50 mA to external logic, eliminating the need for an external regulator in 3.3V MCU designs. Engineers should note that the FT232BL has been designated NRND (Not Recommended for New Designs) in favor of the FT232R/FT232H/FT-X series, but remains widely available through distribution channels for legacy designs. A USB UART bridge is a class of interface IC that handles the USB protocol stack on one side and presents a classical asynchronous serial (UART) interface on the other. It belongs to the broader USB-to-peripheral bridge category, sitting between USB controllers and simpler serial devices. USB UART bridges are essential when a host MCU or legacy equipment lacks native USB but needs to exchange bytes with a PC. In the component taxonomy, the FT232BL is an Interface IC > USB Bridge > USB-to-UART converter. Key features of the FT232BL include a 3 Mbaud maximum UART baud rate, integrated 3.3V LDO, full USB 2.0 full-speed compliance, six CBUS-configurable pins, hardware flow control on modem signals, and optional external 93C46/93C56/93C66 EEPROM support. The device integrates a clock multiplier PLL, eliminating the need for an external 48 MHz source. USB suspend and resume are handled in hardware, drawing less than 500 uA suspend current for battery-powered designs. The FT232BL architecture consists of an 8051-compatible USB protocol engine, FIFO controllers, UART engine, and a parallel CBUS configuration block. The 8051 core executes FTDI's firmware from internal ROM, which is why the part requires no external flash. Data flows from USB endpoint buffers through 384-byte TX and 128-byte RX FIFOs into the UART block. The 6 MHz external crystal is multiplied internally by an 8x PLL to generate 48 MHz for the USB block. Typical applications include microcontroller-to-PC serial bridges (Arduino-compatible boards, STM32 Nucleo, ESP32 debug logs), industrial RS-232/RS-422 adapters, USB programmer/debugger interfaces (JTAG/SPI bridges), barcode scanner interfaces, GPS module USB dongles, and legacy equipment modernization. The wide OS driver support makes the FT232BL a low-risk choice for cross-platform products. When designing, observe USB-IF signal-integrity guidelines: keep the D+/D- traces 90 ohm differential, length-matched within 2 mm, and route over a continuous ground plane. Add a ferrite bead on VBUS if the design is bus-powered and may be hot-plugged. This page synthesizes distributor pricing, drop-in and migration alternatives, and practical design notes not collected in the manufacturer datasheet alone, supporting faster sourcing decisions for engineers.

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FT232HL - Hi-Speed USB to UART/FIFO Bridge, LQFP-48 | FTDI
FT232HL

FT232HL - Hi-Speed USB to UART/FIFO Bridge, LQFP-48 | FTDI

The FTDI FT232HL is a single-channel Hi-Speed USB 2.0 (480 Mb/s) to multipurpose UART/FIFO bridge IC housed in a 48-pin LQFP (7x7 mm) package. It integrates USB PHY, protocol engine, and a configurable serial/parallel engine that can be set to UART, FIFO, FT1248, SPI, or I2C. The device is the lead-free, LQFP-packaged variant of the FT232H family and is the canonical USB-to-SPI/I2C bridge for USB-based test, programming, and bit-banging designs. A USB-to-UART/FIFO bridge (or USB bridge IC) is a mixed-signal interface device that translates USB packet transactions on the host side into a parallel or serial peripheral stream on the device side. In the system hierarchy it sits between the USB host controller (an upstream function) and an embedded MCU, FPGA, or sensor (a downstream function). Bridges like the FT232HL eliminate the need for an on-board MCU to handle USB protocol, offloading PHY, framing, and enumeration onto a certified, driver-supported chip. Within the broader taxonomy the FT232HL is: USB bridge -> serial interface IC -> interface IC -> integrated circuit. Key features include USB 2.0 Hi-Speed compliance (480 Mb/s), support for UART (up to 12 Mbaud), FIFO, FT1248, SPI host (up to 30 MHz via MPSSE) and I2C (up to 3.4 MHz) operating modes, an integrated 1.8V LDO, 3.3V I/O tolerance, and embedded 1024-byte EEPROM for VID/PID customization. The MPSSE (Multi-Protocol Synchronous Serial Engine) block lets the host drive SPI, I2C, and JTAG bit-bang streams directly from the USB endpoint, which is the FT232HL's signature use case. Internally the FT232HL uses a 60 MHz internal reference and a hardened USB 2.0 PHY. The same die is offered in QFN-32 (FT232HQ), LQFP-48 (FT232HL), and LQFP-48 (FT232HL-TRAY/REEL). All variants share the same MPSSE performance and feature set; only the pinout, thermal pad, and pin count differ. The -L suffix on FT232H denotes the lead-free LQFP-48 package option. Typical applications include USB-to-UART debug consoles, USB-to-SPI programmers for SPI flash and EEPROM, USB-to-I2C bridge boards, JTAG programming cables, and FPGA configuration loaders. Hobbyist and engineer-friendly boards like the Adafruit FT232H breakout and FTDI C232HM cable are built around this die. The wide driver support across Windows, macOS, and Linux (libFTDI, D2XX, VCP) reduces host-side integration effort. A key design consideration is the 480 Mb/s USB 2.0 Hi-Speed signaling: route the D+/D- pair as a 90-ohm differential, keep them length-matched, and place the 27-ohm series termination close to the FT232HL pins. Provide a solid ground pour under the LQFP thermal pad and tie VBUS through a 10uF bulk plus 100nF decoupling cap. Reset state on power-up is selected by the default EEPROM image; verify VID/PID values before software bring-up.

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FT232HL-REEL - Hi-Speed USB to UART/FIFO Bridge | FTDI
FT232HL-REEL

FT232HL-REEL - Hi-Speed USB to UART/FIFO Bridge | FTDI

The FTDI FT232HL-REEL is a single-channel Hi-Speed USB 2.0 (480 Mb/s) to multipurpose UART/FIFO bridge IC housed in a 48-pin LQFP (7x7 mm) package. It integrates USB protocol handling, a 480 Mb/s UTMI transceiver, and a configurable serial/parallel engine that can be switched between asynchronous UART (up to 12 Mbaud), FIFO-style asynchronous parallel, the FT1248 synchronous half-duplex bus (1/2/4/8 data lines, up to 30 Mbytes/s), plus MPSSE engines for SPI, I2C, and JTAG. Supply operates from 2.97 V to 3.63 V with on-chip 3.3 V LDO and 1.8 V core regulation; a separate VPLL rail decouples the 480 MHz PLL. A USB bridge IC is a mixed-signal interface that offloads USB host enumeration, descriptor handling, and frame/packet timing from the application MCU while presenting a simpler peripheral interface (UART, FIFO, SPI, I2C) to the downstream system. Bridges sit in the connectivity hierarchy below USB transceiver PHY and above the system MCU, with FTDI's MPSSE-capable Hi-Speed family occupying the high-throughput, multi-protocol tier between full-speed-only UART bridges (FT232R, CP2102N) and application-specific USB controllers. This positioning makes the FT232H useful for both field upgrades of legacy UART designs and new host-side instrumentation. Key differentiating features include Hi-Speed USB 2.0 at 480 Mb/s, configurable UART/FIFO/SPI/I2C/JTAG/FT1248 modes from a single part, the MPSSE engine that drives SPI master at up to 30 MHz, I2C up to 3.4 MHz, and JTAG, plus battery-charge detect (BC1.2) signaling support and an integrated 12 MHz to 480 MHz PLL with low-jitter output. The device exposes 16 flexible I/O pins in FT1248/fast-optical modes, allowing pin-count/bandwidth trade-offs without an external CPLD. Architecturally, the FT232HL-REEL pairs an internal UTMI Hi-Speed transceiver with a 480 MHz PLL and a proprietary protocol multiplexer. Compared to full-speed USB-to-UART parts, the FT232H's Hi-Speed pipe removes the 12 Mbaud practical ceiling and enables bulk streaming, while the multi-protocol mux replaces what would otherwise require several discrete bridges plus a USB hub. Typical applications include USB-to-UART debug bridges for microcontrollers, USB-to-JTAG/SPI/I2C programming and debug cables, USB logic analyzers and protocol testers, USB-based industrial instrumentation with field firmware upgrades, and embedded host adapters for legacy RS-232 peripherals. For audio, the fast FIFO and FT1248 modes can pump 24-30 Mbyte/s sustained, suitable for streaming 8-channel 24-bit audio at 192 kHz into a host. Designers should note that the LQFP-48 footprint requires a Hi-Speed USB layout: 90 ohm differential impedance on DP/DM, common-mode choke or ferrite bead on VBUS, and bulk + ceramic decoupling on VCC and VPLL. For EMI, FTDI's reference designs show series ferrite on VBUS and a common-mode choke near the connector, with the exposed pad (where present on the L package variant) tied to the analog ground pour for thermal dissipation. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical layout/design notes that are not aggregated in the manufacturer datasheet, including head-to-head comparisons versus the FT232HQ-REEL, FT2232HL, and FT600Q.

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FT232RL-REEL - USB to UART Bridge IC, SSOP-28 | FTDI
FT232RL-REEL

FT232RL-REEL - USB to UART Bridge IC, SSOP-28 | FTDI

The FTDI FT232RL-REEL is a single-chip USB to asynchronous serial (UART) data transfer interface housed in a 28-pin SSOP (SSOP-28-208mil) package supplied on tape and reel. It integrates the entire USB protocol on-chip, eliminating the need for USB-specific firmware programming, and supports UART data rates from 300 baud up to 3 Mbaud with full hardware handshaking. The device operates from a supply voltage of 3.3 V to 5.25 V (logic-rail tolerant I/O down to 1.8 V) and draws a typical supply current of 25 mA. A USB-to-UART bridge IC is a class of interface controller that translates between the Universal Serial Bus (USB) protocol and asynchronous serial (RS-232-style UART) signaling, allowing legacy microcontrollers and embedded designs to gain a USB connectivity port without writing low-level USB stack code. Within the broader power-management and connectivity taxonomy, the FT232RL belongs to the interface IC family, sitting alongside RS-232/RS-485 transceivers, I2C/SPI bridges, and CAN controllers as a host-side communication protocol converter. Key features include an integrated 3.3 V LDO regulator that powers the internal USB transceiver, an on-chip 12 MHz oscillator with optional external clock input, 1 KB of programmable EEPROM for vendor/product descriptors and CBUS pin configuration, and configurable CBUS pins that can be assigned to functions such as TX/RX LED drivers, clock output, or GPIO. The IC supports USB 2.0 Full Speed (12 Mbps) and provides four modem-control signals (RTS, CTS, DTR, DSR) plus DCD and RI for legacy serial handshaking. The architecture combines a USB Serial Interface Engine (SIE) with a 16-byte transmit buffer and 16-byte receive buffer FIFO, an embedded UART engine, and a flexible CBUS I/O subsystem. This hardware partitioning allows the host MCU to communicate through a standard serial port while the FT232RL handles all USB enumeration, descriptor loading, and bus signaling. Typical applications include microcontroller-to-USB bridges for firmware debug consoles, industrial sensor data loggers, point-of-sale (POS) terminals, USB dongles for wireless modules, and legacy RS-232 equipment modernization. It is also widely embedded inside FPGA development boards and 3D printer controllers as a USB debug/programming port. When designing with the FT232RL, observe the official FTDI hardware design guidelines: provide a 27 ohm series resistor on each USB differential pair, place the 12 MHz crystal within 5 mm of the XIN/XOUT pins with a guard ground ring, and connect VBUS to the 5 V supply through a 10 kohm resistor for bus-powered designs. Failure to follow the reference layout can degrade USB signal integrity and cause enumeration failures. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing a single-page engineering reference for selecting, sourcing, and laying out the FT232RL-REEL.

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FT232RQ - USB to UART Bridge IC, QFN-32 | FTDI
FT232RQ

FT232RQ - USB to UART Bridge IC, QFN-32 | FTDI

The FTDI FT232RQ is a single-chip USB to asynchronous serial data transfer interface housed in a 32-pin QFN (5x5 mm) package. It integrates the entire USB protocol on-chip, so no USB-specific firmware programming is required by the host microcontroller, and it enumerates as a standard COM port using FTDI's Virtual COM Port (VCP) driver or as a custom device using the D2XX direct driver. The device operates from a single 3.3 V to 5.25 V supply, supports USB Full Speed (12 Mbps), and offers data rates from 300 baud up to 3 Mbaud in standard mode plus additional clock-relative baud rates. A USB-to-UART bridge is a protocol converter that translates USB signalling into a generic asynchronous serial interface (RS-232-style UART). It sits at the boundary between a USB host and an embedded MCU, sensor, or industrial controller that exposes only UART. Compared to native USB on microcontrollers, a dedicated bridge removes the need for on-chip USB peripherals, crystal matching, or impedance-controlled PCB routing, simplifying hardware design and shortening time-to-prototype. Bridges like the FT232R family belong to the broader category of interface ICs, alongside RS-232/RS-485 transceivers and CAN/LIN controllers. Key features of the FT232RQ include an integrated 3.3 V LDO regulator with external power output, integrated 12 MHz oscillator, integrated power-on-reset circuit, and configurable CBUS I/O pins for status LEDs, TX/RX LEDs, or general-purpose handshaking. It also supports FTDI's Bit-Bang mode, allowing the eight UART/handshake pins to be used as a general-purpose bidirectional parallel I/O port under software control - a popular feature for FPGA configuration, EEPROM programming, and JTAG bridging. The FT232RQ uses a dedicated USB transceiver and serial-parallel engine block; data from the USB endpoint is buffered in a 384-byte transmit and 128-byte receive FIFO and then clocked out by an internal baud-rate generator. The device is USB 2.0 Full Speed compatible and works with UHCI/OHCI/EHCI host controllers. Its low operating and suspend currents make it suitable for bus-powered designs and battery-powered accessories. Typical applications include USB-to-RS232 adapter dongles, microcontroller debug and programming interfaces (Arduino bootloaders, ESP8266/ESP32 firmware flash bridges), industrial instrumentation with USB diagnostics ports, point-of-sale terminals, USB-to-JTAG/SPI bridges via Bit-Bang mode, and embedded debug consoles on FPGAs and DSPs. The wide 3.3 V to 5.25 V supply range covers both 3.3 V and 5 V logic targets. When designing with the FT232RQ, note that this part is in the FTDI product family as an EOL/NRND variant; the active direct replacement is the FT232RNQ in the same QFN-32 package. Add 27 ohm series resistors on USB D+/D- if the datasheet recommendation is required, and place the decoupling capacitors as close as possible to VCC and the internal 3V3OUT pin to keep noise off the analog regulator. This page synthesizes distributor pricing, drop-in QFN-32 alternatives from FTDI's RN family and Infineon's CY7C65213, and practical design notes not collected in the FT232R datasheet alone.

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FT232RQ-REEL - USB to UART Bridge, 32-QFN (5x5) | FTDI
FT232RQ-REEL

FT232RQ-REEL - USB to UART Bridge, 32-QFN (5x5) | FTDI

The FTDI FT232RQ-REEL is a single-chip USB to asynchronous serial data transfer interface IC integrating a USB 2.0 Full Speed protocol stack with a UART (Universal Asynchronous Receiver/Transmitter) bridge in a 32-pin QFN (5x5 mm) package. It operates from a single 3.3 V to 5.25 V supply, supports data rates up to 3 Mbaud (RS-232 style), and exposes modem-control handshake lines (RTS/CTS, DTR/DSR, DCD, RI) alongside TXD/RXD through its USB-UART bridge. The device requires no external oscillator because the on-chip 12 MHz crystal and PLL generate all required clocks, and the entire USB protocol is handled on-chip. A USB-to-UART bridge (also called a USB-serial converter or USB CDC virtual COM port controller) is a class of interface IC that translates USB packets into asynchronous serial frames so legacy RS-232/RS-485/RS-422 peripherals can connect to a modern host that has dropped legacy ports. Within the broader hierarchy, it sits under Interface ICs > USB Bridges > Serial Interface ICs > Communication Semiconductors, and is one of the most common ways to add a virtual COM port to embedded designs, industrial equipment, and test instruments. Key features of the FT232RQ-REEL include integrated 3.3 V LDO regulator output for system rails, configurable CBUS I/O pins, low operating and USB suspend current, UHCI / OHCI / EHCI host controller compatibility, USB 2.0 Full Speed compliance, and a -40 °C to +85 °C extended operating temperature range. It supports FIFO, FT245-style synchronous FIFO, async bit-bang, sync bit-bang, MPSSE, and FT1248 modes through its driver-controlled multiprotocol engine, and it enumerates as a standard USB CDC device so most operating systems load a built-in VCP driver. Architecturally, the FT232RQ-REEL combines a USB 2.0 physical layer (PHY), a serial interface engine (SIE), a 1 kB buffer, an internal clock generator, and a UART core with modem-control signals. The 32-pin QFN with exposed pad provides a thermal pad connection and small footprint, enabling compact dongle and embedded designs. The part is supplied on a 3,000-piece tape and reel reel as the -REEL ordering suffix indicates. Typical applications include USB-to-RS232 converter cables and dongles, microcontroller debug console ports, industrial PLC programming ports, point-of-sale (POS) terminals, and USB instrument control for test and measurement gear. The wide 3.3 V to 5.25 V supply range lets it interface with both 3.3 V MCUs and legacy 5 V logic. When designing with this part, observe the USB-IF signal-integrity layout guidelines: route the USB D+/D- pair as a 90 Ω differential, keep the 12 MHz crystal traces short, and provide a solid ground reference under the QFN exposed pad. Note that the FT232RQ has moved to NRND/EOL per FTDI product page; for new designs the pin-compatible FT232RNQ is recommended as the drop-in successor. This page synthesizes distributor pricing, drop-in compatible alternatives, and practical design notes that supplement the FTDI datasheet, helping engineers select, source, and integrate the FT232RQ-REEL with full confidence in its parameters, alternatives, and lifecycle status.

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FT260Q-T - USB 2.0 to I2C/UART Bridge QFN-28 | FTDI
FT260Q-T

FT260Q-T - USB 2.0 to I2C/UART Bridge QFN-28 | FTDI

The FTDI FT260Q-T is a HID-class USB 2.0 full-speed (12 Mbps) to I2C/UART interface bridge controller housed in a 28-pin WQFN (5x5 mm) package, operating from a 4.5V to 5.5V supply and rated from -40C for industrial environments. A USB bridge controller is a type of interface IC that sits within the broader connectivity hierarchy of USB hub and bridge controllers in the semiconductor product taxonomy. Its role is to translate between a USB bus on one side and a simpler serial protocol such as I2C or UART on the other, allowing a host PC to communicate with sensors, human interface peripherals, and embedded devices without custom kernel drivers. The defining feature of the FT260 is its USB HID class implementation: because it enumerates as a standard Human Interface Device, it works with the HID class drivers built into Windows, macOS, and Linux, eliminating the need to install vendor-specific drivers. The FT260Q is highly integrated, containing the USB 2.0 full-speed transceiver, an internal LDO regulator that generates the 3.3V reference for the USB transceiver cell, and both an I2C master/slave engine and a UART engine. According to FTDI, the part has been granted USB-IF Test-ID (TID) 40001720, confirming USB 2.0 compliance. FTDI ships the FT260 family in two small 28-pin packages: the FT260Q in WQFN and the FT260S in TSSOP, targeting sensor and human interface peripheral applications such as touch controllers, sensor hubs, battery monitors, and industrial adapters. The -T suffix denotes tray packing (490 pieces per tray); the -R suffix denotes 2500-piece tape and reel. In typical designs, the FT260 connects to an I2C slave device such as an IO expander or sensor through SDA/SCL lines, or to an MCU UART for serial console access. Because power is sourced from the 5V USB VBUS, no external supply is needed in most applications. Designers should note the 4.5V to 5.5V supply constraint: when interfacing with 3.3V or 1.8V I2C devices, level shifting or the internal configuration options in the FT260 programming utilities must be considered. This page synthesizes distributor availability, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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FT4222HQ-D-R - USB 2.0 to Quad SPI/I2C Bridge | FTDI
FT4222HQ-D-R

FT4222HQ-D-R - USB 2.0 to Quad SPI/I2C Bridge | FTDI

The FTDI FT4222HQ-D-R is a Hi-Speed USB 2.0 to Quad-SPI / I2C device controller packaged in a 32-pin VQFN-EP (5x5 mm) and supplied on Tape & Reel. It bridges a USB 2.0 High/Full Speed upstream port to up to four downstream SPI slave devices (configurable as one Quad-SPI or four independent SPI channels) plus an I2C controller capable of up to 53.8 Mbps aggregate throughput. A USB bridge IC is a mixed-signal interface device that converts one serial bus protocol into another so a host CPU can talk to peripherals it cannot address natively. In the FT4222H the USB 2.0 PHY and protocol stack sit on one side, while the downstream side exposes configurable SPI (single/dual/quad mode) and an I2C master/slave controller. This places the part inside the broader hierarchy: USB bridge -> serial interface IC -> interface & connectivity -> mixed-signal semiconductor. Key features include support for multi-voltage I/O (3.3 V, 2.5 V, or 1.8 V VCCIO), an integrated 5 V1 to 3.3 V LDO requiring no external regulator, 128 bytes of OTP memory for vendor information, and an external 12 MHz crystal that feeds the internal PLL. The VQFN-EP package provides a low-thermal-resistance pad that allows sustained USB bus-powered operation without external heatsinking. GPIOs are multiplexed with the SPI data lines, allowing flexible board design. The FT4222H uses a Hi-Speed USB 2.0 PHY with on-chip termination and a serial-interface engine, offloading all protocol handling from the host MCU. Suspend/resume, remote wake-up, and bus-powered operation are handled in hardware, which is why the part is widely used in plug-and-play dongles, LCD/LED display controllers, and industrial sensor hubs. Typical applications include USB-to-SPI display bridges for TFT/OLED panels, USB-to-I2C sensor hubs, industrial USB instrumentation, and evaluation modules for FPGA/CPLD programming. The combination of Quad-SPI throughput and I2C in a single chip is particularly useful when a single USB port must drive both a high-bandwidth display and a cluster of low-speed sensors. When designing with this part, place the 12 MHz crystal within 5 mm of the XIN/XOUT pins and provide a solid ground pour under the exposed pad. Add 100 nF decoupling on each VCCIO rail and 4.7 uF on VBUS. The OTP memory is write-protected after the first programming cycle, so commit vendor data only once. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone FTDI datasheet, giving procurement and engineering teams a single reference for the FT4222HQ-D-R.

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FT4222HQ-R - USB 2.0 to Quad SPI/I2C Bridge | FTDI | 32-VQFN
FT4222HQ-R

FT4222HQ-R - USB 2.0 to Quad SPI/I2C Bridge | FTDI | 32-VQFN

The FTDI FT4222HQ-R is a Hi-Speed USB 2.0 to Quad SPI/I2C device controller housed in a compact 32-pin VQFN package with 5 mm x 5 mm body and 0.5 mm pitch. It supports USB 2.0 High-Speed (480 Mbps) and Full-Speed (12 Mbps) modes and bridges the USB host to SPI (single, dual, quad modes) and I2C peripherals with data rates up to 53.8 Mbps on the SPI side. A USB Bridge IC is a category of interface controller that translates USB transactions into serial protocols such as UART, SPI, I2C, or GPIO so that a host PC or embedded processor can communicate with downstream devices using only USB. The FT4222H family fits the USB-to-SPI/I2C sub-segment of this hierarchy, and within the FTDI portfolio sits alongside the FT232H (USB-to-UART/SPI/FIFO) and FT260 (USB-to-I2C) parts. Key features include multi-voltage I/O support at 3.3 V, 2.5 V, or 1.8 V, four configurable GPIO pins with adjustable drive strength and slew rate, and 128 bytes of one-time-programmable (OTP) memory for storing vendor-specific configuration via the FT_PROG utility. The internal PLL derives all required clocks from an external 12 MHz crystal, so no external clock generator is needed. The FT4222HQ-R uses FTDI's established USB protocol stack, freeing the host from writing low-level USB firmware: the on-chip hardware handles enumeration, descriptors, and bulk/isochronous transfers automatically. The device presents as a vendor-specific USB class, and FTDI provides royalty-free D2XX and LibFT4222 host drivers for Windows, macOS, and Linux. Compared with discrete USB microcontrollers, the FT4222H approach eliminates firmware development, regulatory USB compliance work, and the need for a HID or vendor-class driver on the host side. Typical applications include USB-to-SPI bridges for touch-screen controllers and display panels, USB-to-I2C bridges for EEPROM programming and sensor hubs, USB-controlled GPIO expansion for industrial test fixtures, prototyping interfaces for FPGA configuration flash, and USB DAQ front-ends that stream SPI ADC samples to a host PC at high speed. Designers typically choose the FT4222HQ-R when they need a drop-in, driver-supported USB interface without writing embedded firmware. When designing with the FT4222HQ-R, pay close attention to PCB layout: keep the 12 MHz crystal traces short and symmetric, place the bulk USB VBUS capacitor close to the VCC pin, and provide a solid ground plane beneath the exposed thermal pad to meet USB-IF radiated-emissions requirements. The VIO rail must be sequenced after the 3.3 V core supply to avoid latch-up on the multi-voltage I/O banks; FTDI's reference schematic shows a simple RC delay from VCC to VIO for this purpose. This page synthesizes distributor pricing, pin-compatible alternatives, and practical design notes that are not aggregated on a single manufacturer or distributor page.

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FT4232HQ-REEL - USB 2.0 HS to Quad UART/MPSSE Bridge | FTDI
FT4232HQ-REEL

FT4232HQ-REEL - USB 2.0 HS to Quad UART/MPSSE Bridge | FTDI

The FTDI FT4232HQ-REEL is a USB 2.0 High-Speed (480 Mbps) to quad-channel UART/MPSSE bridge IC housed in a 64-pin QFN (9x9 mm) package. It integrates four independent configurable serial interface channels that can be independently programmed as UART, JTAG, SPI, I2C, or bit-bang parallel interfaces, each backed by FTDI's Multi-Protocol Synchronous Serial Engine (MPSSE) on two of the channels. The device operates from a 3.3 V internal LDO derived from the USB bus 5 V supply (VBUS) and supports IO voltage from 1.8 V to 3.3 V on channel data lines. A USB bridge (also called USB-to-UART or USB-to-serial bridge) is a type of interface IC that converts USB signaling from a host computer into one or more legacy serial protocols such as UART, SPI, I2C, or JTAG. Bridges sit in the hierarchy: USB bridge -> interface IC -> communication controller -> semiconductor. They are essential in modern electronics because most MCUs and FPGAs retain native UART/SPI/I2C peripherals but lack USB device controllers, while virtually every laptop, workstation, and embedded SBC exposes only USB. Key features include hardware flow control on all UART channels, programmable baud rates up to 12 Mbaud, integrated 12 MHz to 480 MHz clock generation from a single 12 MHz crystal, full USB 2.0 Hi-Speed compliance, and a wake-up function on USB activity. The QFN-64 package offers a compact 9x9 mm footprint with an exposed thermal pad for reliable operation across the industrial -40 C to +85 C temperature range. Internally, the FT4232HQ uses a 5th-generation USB protocol engine with on-chip PHY, 4 KB of FIFO per channel, and per-channel configurable MPSSE engines. The architecture enables simultaneous operation of, for example, a JTAG debugger on channel A, an SPI flash programmer on channel B, and two UART debug consoles on channels C and D - a combination that historically required multiple discrete bridge ICs. Typical applications include industrial JTAG/SPI programming stations, multi-port USB-to-serial adapters for test and lab instrumentation, FPGA and MCU development boards, embedded debugging probes (CMSIS-DAP, J-Link equivalents), and point-of-sale terminals. The four-channel density also suits multi-radio debug headers and protocol-aware production testers. When designing with this device, observe USB-IF compliance layout practices: 90-ohm differential impedance on D+/D-, ESD protection near the USB connector, decoupling on VCC and VIO, and a 12 MHz crystal with the load capacitors specified in the FTDI datasheet. This page synthesizes FTDI-published specifications, distributor pricing, true drop-in alternatives in the QFN-64 footprint, and practical design notes not collected in any single source.

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FT801Q-R - EVE Embedded Video Engine, 48-VQFN | Bridgetek
FT801Q-R

FT801Q-R - EVE Embedded Video Engine, 48-VQFN | Bridgetek

The Bridgetek FT801Q-R is an Embedded Video Engine (EVE) graphic controller IC housed in a 48-pin VQFN (7x7 mm) package, supplied on 2500-piece tape-and-reel. It targets embedded Human-Machine Interface (HMI) applications by integrating display, audio, and touch control into a single chip, operating from a 2.97V to 3.63V supply with a 30 MHz internal clock. An EVE (Embedded Video Engine) is a class of graphic controller that offloads display list rendering, widget drawing, and touch sensing from the host microcontroller, freeing the MCU to run application logic. EVE sits in the hierarchy: graphic controller -> display driver IC -> video processing -> power management IC -> semiconductor. FTDI/Bridgetek pioneered this category with the FT800 and extended it through the FT810/FT811/FT812/FT813 family, of which FT801 is the cost-optimized variant. Key features include an object-oriented widget architecture supporting resistive touch sensing, integrated audio output, 1/2/4/8-bit RGB display interface up to HVGA/WQVGA resolution, and configurable host interface (SPI up to 30 MHz or I2C up to 3.4 MHz). The 48-VQFN package exposes all digital I/O, RGB bus, audio PWM, and the MODE pin that selects SPI (pull-down) or I2C (pull-up). Technically, the FT801 builds on the FT800 silicon with an enhanced command set while retaining register-level compatibility. It uses an internal 30 MHz oscillator, generates all timing for the LCD panel, performs JPEG decoding in hardware, and computes touch coordinates internally. Power sequencing is straightforward with single 3.3V rail. Typical applications include home appliances, security system keypads, medical device front panels, teleconferencing interfaces, industrial control HMIs, and smart-home thermostats. The FT801's low host-overhead makes it ideal for any MCU (including 8-bit parts) that needs a modern graphical UI. When designing, keep RGB traces short (under 50 mm) and matched, place a 100 nF decoupling cap within 3 mm of every supply pin, and reserve a footprint for the touch-panel connector. The MODE pin must be biased with a 10 kohm resistor since leaving it floating can cause intermittent SPI/I2C mis-selection. This page synthesizes cross-distributor pricing, drop-in same-package alternatives, and practical layout notes that go beyond the manufacturer datasheet narrative.

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FT812Q-R - Advanced EVE Graphics Controller, 56-QFN, Bridgetek
FT812Q-R

FT812Q-R - Advanced EVE Graphics Controller, 56-QFN, Bridgetek

The Bridgetek FT812Q-R is an Advanced Embedded Video Engine (EVE) graphics controller IC with SPI host interface, housed in a 56-pin QFN (8x8 mm) package with exposed thermal pad. It integrates a 24-bit RGB display controller, resistive touch controller, audio processor, and graphics engine on a single chip, targeting high-resolution HMI (human-machine interface) applications with screen sizes up to 800x600 and beyond. The part operates from a single 2.97V to 3.63V supply and supports 1.8V or 3.3V host SPI I/O via separate VDDIO. An Embedded Video Engine (EVE) is a category of HMI bridge IC that combines display, touch, and audio control into a single SPI/I2C-controlled device. EVE controllers sit in the hierarchy: display controller -> HMI bridge IC -> video interface -> integrated circuit -> semiconductor. They offload graphics rendering, widget management, and touch scanning from the host MCU, replacing discrete display driver ICs, touch controllers, and audio DACs with a unified graphics pipeline. Key features include a hardware-accelerated graphics engine with built-in widgets (buttons, sliders, gauges, clocks, dials), up to 51MHz SPI clock for fast image transfer, integrated resistive touch scanning controller with built-in ADC, I2S audio engine output for audio playback, and 8-bit or 16-bit 8080/6800 parallel plus 4-wire SPI/QSPI host interface options. The part supports up to 800x600 with display over in RGB mode and includes backlight PWM output for direct LCD backlight control. Architecturally, the FT812Q-R pairs an embedded graphics accelerator with dual-ported display memory (1MB internal SRAM), reducing host MCU MIPS load to 5-10% of equivalent software-only rendering. The device is pin-compatible with the FT810/FT811 family, simplifying upgrades for designs that need higher resolution or audio support. Typical applications include industrial HMI panels, smart home control displays, medical device touchscreens, point-of-sale (POS) terminals, and automotive infotainment entry-level displays. Designers choose the FT812Q-R over FPGA- or MCU-based solutions when they need to minimize host MCU MIPS load, BOM cost, and PCB area while adding polished graphics. Design tip: ensure SPI traces are length-matched and the exposed thermal pad is soldered to a sufficient copper pour (at least 25 sq mm) for thermal performance; insufficient ground cooling can trigger internal thermal foldback at high operating temperatures. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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FT812Q-T - EVE2 Video Controller IC, SPI, 56-QFN | Bridgetek
FT812Q-T

FT812Q-T - EVE2 Video Controller IC, SPI, 56-QFN | Bridgetek

The Bridgetek FT812Q-T is a second-generation Embedded Video Engine (EVE2) controller IC integrating graphics, audio, and resistive touch control into a single chip, packaged in a 56-pin VQFN-EP (8x8 mm). It targets high-resolution Human-Machine Interface (HMI) applications, featuring a 24-bit RGB parallel display interface and an SPI host interface operating up to 100 Mbps. An Embedded Video Engine (EVE) is a system-on-chip graphics controller that offloads rendering, widget composition, audio playback, and touch scanning from the host MCU. EVE controllers occupy a unique position in the embedded display hierarchy - sitting between simple character LCDs and full graphics SoCs - delivering high-quality HMIs without requiring a high-performance host processor or external frame buffer memory. Key features of the FT812Q-T include a built-in graphics engine supporting jpeg decoding and ASTC texture compression, a 1 MByte graphics RAM, integrated PWM audio output, and a resistive touch screen controller with hardware scanning. It supports display resolutions up to 1024x768 (HVGA+) via its programmable 24-bit RGB interface, with display sizes configurable up to 512x512 for the FT81x family. The device operates from a single 3.3V supply (2.97V to 3.63V) and is specified for the -40C to +85C industrial temperature range. From an architecture standpoint, the FT812Q-T combines an embedded graphics accelerator, a configurable display controller, audio DAC with class-D amplifier interface, and a touch engine into a single BGA-equivalent VQFN package. The 56-QFN-EP exposed pad provides thermal relief and a low-impedance ground return. Communication occurs through SPI at speeds up to 100 Mbps, allowing the host MCU to issue high-level display-list commands rather than pixel-by-pixel updates, dramatically reducing MCU firmware complexity and SPI bus traffic. Typical applications include point-of-sale terminals, industrial control panels, medical device HMIs, security systems, teleconferencing equipment, smart home control panels, and portable instrumentation displays. The wide operating voltage and temperature ranges suit industrial, medical, and security applications requiring reliable operation in harsh environments. When designing with the FT812Q-T, pay attention to PCB layout: route SPI traces as short 50-ohm impedance-controlled lines, place the 0.1uF decoupling capacitor within 3mm of the supply pin, and solder the exposed pad to a continuous ground plane for thermal dissipation and low-noise digital return paths. The EVE2 command protocol requires the host MCU firmware library from Bridgetek for proper display-list construction. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet - including a 5-alternative comparison matrix from Bridgetek's FT81x family and cross-brand VQFN-56 competitors, plus an honest application-by-application fit analysis.

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