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CY8C4125AXI-473 - 32-bit Cortex-M0 PSoC 4 MCU | Infineon
CY8C4125AXI-473

CY8C4125AXI-473 - 32-bit Cortex-M0 PSoC 4 MCU | Infineon

The Infineon CY8C4125AXI-473 is a 32-bit Arm Cortex-M0 PSoC 4 mixed-signal microcontroller with a 24 MHz operating frequency, 32 KB of Flash memory, 4 KB of SRAM, 36 general-purpose I/O, and a 12-bit SAR ADC. It is offered in a 48-pin TQFP package according to the manufacturer product page, making it suitable for embedded control designs that require programmable analog and digital resources in one device. A programmable system-on-chip, or PSoC, integrates a microcontroller core with configurable analog and digital peripherals. In the broader semiconductor hierarchy, PSoC 4 belongs to the microcontroller and embedded-processing family, combining an Arm Cortex-M0 processor with programmable mixed-signal blocks. This integration can reduce the number of separate analog, timing, and interface components required in sensor, industrial-control, consumer-equipment, and communication designs. The principal device features include a 24 MHz Cortex-M0 core, 32 KB Flash, 4 KB SRAM, 36 I/O, and a 12-bit successive-approximation-register ADC. The operating supply choices listed for this part include 1.8 V, 3.3 V, and 5 V. Its mixed-signal architecture allows designers to configure analog functions around the MCU core instead of relying exclusively on fixed-function peripheral blocks. The CY8C4125AXI-473 belongs to the PSoC 4100 family, identified by the manufacturer as a PSoC 4 Cortex-M0 MCU. Its combination of programmable analog capability and a conventional embedded microcontroller core is useful when the system requires sensor acquisition, control logic, communications, and compact board area in a single package. The part is also identified as a 32 KB Flash MCU with a 48-pin TQFP package. Typical applications include industrial sensor nodes, motor and actuator controllers, building-control interfaces, programmable analog front ends, and embedded consumer devices. The 36 I/O count provides substantial board-level connectivity for buttons, displays, communications interfaces, sensors, and discrete control outputs. The 12-bit SAR ADC supports mixed-signal measurement functions where a dedicated external ADC would otherwise add cost and board area. Design planning should focus on the exact 48-pin TQFP footprint, power-supply sequencing, decoupling, and the configuration of PSoC Creator programming resources. Because the mixed-signal peripherals are programmable, firmware and board validation should be treated as part of the design process rather than added only after the PCB layout is complete.

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CY8C4125AXQ-483 - 24MHz Cortex-M0 MCU | Infineon | PSoC 4
CY8C4125AXQ-483

CY8C4125AXQ-483 - 24MHz Cortex-M0 MCU | Infineon | PSoC 4

The Infineon Technologies CY8C4125AXQ-483 is a 24 MHz, 32-bit Arm Cortex-M0 programmable system-on-chip in the PSoC 4 CY8C4100 family, with 32 KB of flash memory, 4 KB of SRAM, and a 44-pin TQFP package measuring 10 mm by 10 mm. It combines a single-core microcontroller with programmable mixed-signal resources in one compact embedded-system device. A PSoC, or programmable system-on-chip, is a mixed-signal embedded controller that integrates a microcontroller core with configurable analog and digital peripherals. The PSoC family sits between a conventional microcontroller and a highly integrated application-specific controller, allowing functions such as analog-to-digital conversion and programmable digital logic to share one silicon platform. Key verified features include an Arm Cortex-M0 processor operating at 24 MHz, 32 KB of flash organized as 32K by 8 bits, 4 KB of SRAM, and a 12-bit successive-approximation-register ADC capable of 806 ksps. The 44-pin TQFP package provides a conventional surface-mount option for industrial embedded control, consumer products, sensing systems, and compact automation equipment. The PSoC architecture is designed for mixed-signal embedded designs in which analog measurement and digital control are closely coupled. Its configurable peripherals reduce the need for separate external components when suitable. Software-defined routing and peripheral configuration also allow the same device family to support multiple product configurations without changing the PCB footprint. Typical uses include industrial sensor controllers, compact motor-control interfaces, consumer interfaces, building and environmental monitoring, and low-cost embedded platforms. The 32 KB flash capacity is appropriate for firmware that requires boot code, application logic, configuration tables, and communication routines, while the 4 KB SRAM supports working state, buffers, and stack requirements. Designers should verify the complete pin assignment, power architecture, peripheral availability, and programming requirements in the manufacturer datasheet before layout. They should also confirm temperature grade, ADC performance under the intended signal conditions, and the required external crystal, programming interface, and decoupling components. This page consolidates verified distributor specifications, an industrial-ordering alternative, pricing information, and practical design cautions. It distinguishes confirmed parameters from values that still require datasheet verification, helping engineers make faster component-selection and sourcing decisions without relying on unverified assumptions.

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CY8C4125AZI-473 PSoC 4100 24MHz Cortex-M0 32KB Flash | Infineon
CY8C4125AZI-473

CY8C4125AZI-473 PSoC 4100 24MHz Cortex-M0 32KB Flash | Infineon

The Infineon CY8C4125AZI-473 is a PSoC 4 (CY8C4100 series) programmable system-on-chip microcontroller built on a 24 MHz Arm Cortex-M0 core, with 32 kByte of embedded flash memory, a 12-bit SAR ADC and a 48-pin TQFP (7x7 mm) surface-mount package. The device consolidates an MCU core, analog-to-digital conversion and programmable digital blocks into a single silicon footprint, reducing board area in cost-sensitive embedded designs. A PSoC (Programmable System-on-Chip) is a mixed-signal microcontroller family that places configurable analog and digital peripherals alongside the CPU core on the same die. Architecturally it sits between a general-purpose microcontroller and an application-specific integrated circuit: the Arm Cortex-M0 core executes the control firmware while the on-chip analog front end conditions and digitises sensor signals, replacing several discrete op-amps, filters and ADC stages. The PSoC 4 series extends this concept with a 32-bit Arm Cortex-M0 CPU core, deterministic interrupt handling and a compact cost profile suited to volume consumer and industrial products. Key features of the CY8C4125AZI-473 include a 24 MHz operating frequency that allows the core to execute up to 24 million instructions per second, 32 kByte (32K x 8) of flash for on-chip program storage and a 12-bit successive-approximation-register ADC for analog measurement. The device is offered in a 48-TQFP package measuring 7 x 7 mm, a footprint that is widely supported by automated pick-and-place and assembly lines. Operating supply is listed as 3.3 V and 5 V, allowing the same part to serve both 3.3 V and 5 V system rails. Because the analog peripherals and the core share the same silicon, signal conditioning is implemented in firmware rather than with external discrete components. This trims the bill of materials and gives designers a deterministic, software-defined filter characteristic that can be tuned without hardware changes. The 12-bit SAR ADC is a familiar interface for reading resistive sensors, thermistors, potentiometers and divider networks through the analog routing matrix, and the same fabric routes internal signals such as the ADC output to timers, comparators and DMA-style peripherals. Typical applications include consumer sensor hubs, smart home controllers, industrial monitoring and control panels, battery-powered health and wellness devices, touch-driven interface modules and compact IoT nodes where a small footprint, low BOM cost and analog measurement in one package are all priorities. The 48-lead TQFP also gives generous pin count for multiple digital I/O, serial interfaces and analog routing compared with smaller 32-pin variants of the same family. When designing around this device, confirm the pin assignment and analog routing options for your chosen board configuration using the pin-description table in the manufacturer datasheet, and budget decoupling close to the supply pins. Also verify that the 32 kByte flash budget is sufficient for your application code, since this is the smallest memory variant in the CY8C4100 family and heavier firmware may require a higher-flash sibling. This page consolidates manufacturer specifications, ordering information, drop-in family alternatives and practical design notes so that engineers can evaluate the CY8C4125AZI-473 against other 48-pin mixed-signal MCUs without piecing together data from multiple sources.

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CY8C4125AZI-483 - 24MHz PSoC 4 MCU | Infineon Technologies
CY8C4125AZI-483

CY8C4125AZI-483 - 24MHz PSoC 4 MCU | Infineon Technologies

The Infineon Technologies CY8C4125AZI-483 is a PSoC 4 programmable system-on-chip microcontroller based on a 32-bit Arm Cortex-M0 core, operating at 24 MHz with 32 kB of flash memory and 4 kB of SRAM in a 48-TQFP package. Designed for industrial control applications, it combines a microcontroller with programmable analog and digital resources in a compact system-on-chip architecture. A microcontroller is a semiconductor device that executes embedded software, monitors inputs, and controls outputs in equipment, products, and industrial systems. The PSoC architecture extends the conventional MCU with programmable digital blocks, analog peripherals, and dedicated connectivity functions. This integration can reduce external component requirements while allowing designers to adapt peripheral behavior through firmware and device configuration. The CY8C4125AZI-483 provides a 24 MHz Arm Cortex-M0 processor, 32 kB of flash, and 4 kB of SRAM. The product is identified for industrial control, and a related configuration in the same family includes a 12-bit SAR ADC capable of 806 ksps. The 48-pin, 7 x 7 mm TQFP package provides a conventional surface-mount option for industrial equipment and compact control boards. The PSoC 4 platform combines deterministic microcontroller operation with configurable analog and digital resources. Its Arm Cortex-M0 architecture provides a 32-bit instruction set while retaining a straightforward embedded-control design profile. Software-defined peripherals allow interface behavior to be adapted without changing the PCB when the product family offers suitable configuration options. Typical applications include industrial control systems, motor drives, motion-control equipment, sensor interfaces, programmable logic controllers, and embedded automation controllers. In each case, the 24 MHz processor supports responsive control tasks, while the programmable system-on-chip architecture can consolidate functions that otherwise require separate analog, digital, and interface devices. PCB implementation should follow the manufacturer pin-description table exactly and preserve the pin assignments associated with the selected package variant. Place decoupling capacitors close to the supply pins, route high-frequency signals away from sensitive analog inputs, and confirm the programmed digital block pins, analog routing, and exposed support requirements against the manufacturer datasheet before releasing the layout. This product page organizes the core MCU specifications, package details, sourcing information, drop-in alternatives, application guidance, and practical design notes. These engineering-focused details help teams evaluate the CY8C4125AZI-483 for industrial embedded-control designs without relying only on a distributor catalog summary.

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CY8C4127AXI-S443 - 24MHz Cortex-M0+ 128KB PSoC 4100S Plus MCU
CY8C4127AXI-S443

CY8C4127AXI-S443 - 24MHz Cortex-M0+ 128KB PSoC 4100S Plus MCU

The Infineon (formerly Cypress Semiconductor) CY8C4127AXI-S443 is an automotive-qualified 32-bit ARM Cortex-M0+ microcontroller from the PSoC 4100S Plus family, integrating 128 KB of Flash and 16 KB of SRAM in a 44-pin TQFP (10x10 mm) package. It features a 12-bit SAR ADC, programmable analog and digital blocks (universal digital blocks), and operates at up to 24 MHz CPU clock. The device supports an operating voltage range suitable for automotive HMI and body electronics applications, combining a microcontroller with PSoC-style programmable fabric on a single die. A PSoC 4 MCU is a programmable system-on-chip that pairs an Arm Cortex-M0 or Cortex-M0+ core with a fabric of universal digital blocks (UDBs) and configurable analog resources. Unlike fixed-function microcontrollers, the PSoC 4 architecture allows developers to instantiate custom peripherals - timers, PWMs, UARTs, I2C slaves, logic functions - in programmable hardware, reducing BOM cost and PCB area. The PSoC 4100S Plus specifically extends the PSoC 4000S line with more memory, a 12-bit (instead of 10-bit) SAR ADC, and a richer CapSense touch-sensing subsystem for HMI user-interface designs. Key features of the CY8C4127AXI-S443 include 128 KB (128K x 8) of Flash program memory, 16 KB of SRAM, a 12-bit SAR ADC with up to 8 input channels, multiple serial communication blocks (SCBs) configurable as I2C/UART/SPI, and on-chip CapSense hardware for capacitive touch sensing. The 44-TQFP package provides 36 GPIO and an exposed pad for thermal dissipation, while the automotive grade supports AEC-Q100 reliability requirements for in-cabin and body applications. Typical applications include automotive HMI (human-machine interface) such as touch buttons, sliders, and proximity sensors on steering wheels or center consoles, capacitive touch keypads for white goods and small kitchen equipment, industrial control panels with capacitive user interfaces, LED lighting controllers, LED regulators with mixed analog/digital feedback, and low-power IoT sensor nodes. The wide CapSense integration also suits proximity-sensing designs in security and occupancy-detection products. When designing with this device, plan the CapSense sensor layout carefully - sensor patterns, ground flooding, and overlay material selection directly affect touch sensitivity. Use the PSoC Creator / ModusToolbox IDE with the CapSense middleware for tuning the capacitive, operating system-level firmware, and PSoC 4 peripheral driver library to reduce development time.

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CY8C4146AZI-S443 - PSoC 4100S Plus 64KB Flash MCU | Infineon
CY8C4146AZI-S443

CY8C4146AZI-S443 - PSoC 4100S Plus 64KB Flash MCU | Infineon

The Infineon CY8C4146AZI-S443 is a PSoC 4100S Plus microcontroller built around an Arm Cortex-M0+ core running at 48 MHz, integrating 64 KB of flash and 32 KB of SRAM in a 48-pin TQFP (7x7 mm) package. It belongs to the PSoC 4 family and is targeted at HMI applications with capacitive touch support, programmable analog blocks, and configurable digital peripherals that replace many external components. The 'S443' ordering suffix defines the temperature grade, memory configuration, and peripheral mix specified for this SKU. A PSoC (Programmable System-on-Chip) combines a microcontroller core with analog and digital fabric blocks that can be routed through programmable interconnect, allowing designers to build custom mixed-signal front-ends without discrete analog ICs. Within the broader taxonomy, a PSoC 4100S Plus device is a low-power 32-bit MCU -> Cortex-M0+ microcontroller -> ARM-based MCU -> microcontroller IC -> integrated circuit. This device family is engineered for cost-sensitive embedded designs that still require user-interface features, motor-control loops, or sensor-signal conditioning on a single die. Key features of the CY8C4146AZI-S443 include a 12-bit SAR ADC (1 MSPS) with up to 16 channels, four op-amps, four 8-bit DACs, two comparators, CapSense touch sensing hardware, and a USB Full-Speed device controller. Communication peripherals include I2C, SPI, UART, and CAN, giving flexibility for industrial and consumer HMI applications. The integrated low-power modes enable deep-sleep currents in the microamp range for battery-powered designs. Typical applications for this part include capacitive-touch user interfaces on white goods and appliances, automotive airbag ECUs and body-control modules, industrial sensor hubs, and small motor-control boards. The wide operating temperature range and robust peripheral set make it suitable for safety-relevant subsystems where a single MCU handles HMI, sensing, and actuator control. When designing with this part, ensure the CapSense tuning and routing guidelines in the PSoC 4100S Plus family datasheet are followed to achieve reliable touch SNR. Use Infineon's PSoC Creator or ModusToolbox for firmware development, peripheral configuration, and CapSense tuning to shorten time-to-prototype.

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CY8C4244AZI-443 - 48MHz Cortex-M0 MCU | Infineon
CY8C4244AZI-443

CY8C4244AZI-443 - 48MHz Cortex-M0 MCU | Infineon

The Infineon CY8C4244AZI-443 is a 48 MHz Arm Cortex-M0 PSoC 4 series microcontroller with 16 kByte of flash memory, 4 kByte of SRAM, and a 12-bit ADC, offered in a TQFP package. The device combines a general-purpose 32-bit microcontroller core with programmable mixed-signal and digital peripherals for embedded control applications. Its 16 kByte flash provides on-chip program storage, while 4 kByte of SRAM supports working memory for real-time control, data acquisition, and human-interface functions. A microcontroller is a semiconductor device that integrates a processor core, memory, and peripherals into one compact component. The PSoC 4 family belongs to the broader embedded-processing hierarchy of Cortex-M microcontrollers, mixed-signal controllers, and programmable system-on-chip devices. Compared with a fixed-function logic controller, the CY8C4244AZI-443 allows firmware to configure digital routing, analog conversion, and communication behavior, making it suitable for compact embedded systems that need more adaptability than simple discrete control circuits. The headline features are a 48 MHz Arm Cortex-M0 core, 16 kByte flash, 4 kByte SRAM, and a 12-bit ADC. The Arm Cortex-M0 architecture provides a 32-bit instruction set while retaining a simple, low-power embedded design profile. The 12-bit ADC supports analog measurement tasks such as sensing voltage, temperature, and resistive sensors through external conditioning networks. The manufacturer classifies the device as a PSoC 4200-series member with Arm Cortex-M0/M0+ capability and programmable system-on-chip resources. This MCU is intended for industrial control, sensor-interface, communication, and embedded user-interface designs. Its combination of flash, SRAM, and ADC resources allows a single device to acquire analog measurements, run control algorithms, and manage digital peripherals without requiring a separate ADC. The 48 MHz clock supports time-sensitive event handling, while the programmable digital fabric can route signals to timers, serial interfaces, and other peripheral blocks. Typical uses include condition-monitoring equipment, compact industrial controllers, keypad and capacitive-touch interfaces, building automation modules, and low-cost embedded control boards. Designers should allocate the small 4 kByte SRAM carefully, place analog inputs away from fast-switching digital traces, and follow the manufacturer pin-description and layout guidance when assigning package leads. For new PCB designs, verify the exact package drawing and pin assignments before layout because the manufacturer product summary and distributor listing describe the package differently. Firmware selection should also account for the 16 kByte flash limit, peripheral resource allocation, clock configuration, and the 12-bit ADC conversion requirements of the intended control loop. This page consolidates the confirmed device parameters, package considerations, sourcing paths, and engineering-oriented guidance into a practical reference for designers evaluating the CY8C4244AZI-443 for embedded control and mixed-signal applications.

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CY8C4244PVI-442 - PSoC 4200 48MHz Cortex-M0 MCU | Infineon
CY8C4244PVI-442

CY8C4244PVI-442 - PSoC 4200 48MHz Cortex-M0 MCU | Infineon

The Infineon CY8C4244PVI-442 is a PSoC 4200 family microcontroller built around an ARM Cortex-M0 core running at up to 48 MHz, integrating 16 KB of flash and 4 KB of SRAM in a 28-pin SSOP package. It features a 12-bit SAR ADC sampling at up to 1 Msps, four 16-bit timer/counter/PWMs, two configurable universal digital blocks (UDBs), a USB Full-Speed device controller, and Infineon's signature CapSense touch-sensing hardware, all routable through the programmable digital and analog fabric. A PSoC (Programmable System-on-Chip) is a mixed-signal MCU family that combines a CPU core with a configurable fabric of analog and digital blocks, enabling engineers to instantiate custom peripherals such as op-amps, comparators, DACs, PWMs and timers without discrete external components. PSoC 4200 sits within Infineon's broader MCU hierarchy (Cortex-M0 -> ARM Cortex family -> 32-bit microcontroller -> embedded system-on-chip), and it is positioned as the cost-optimized entry point below PSoC 4100/4100S/4100M and above PSoC 4000S, balancing analog performance with low power consumption. Key features include operation from 1.71 V to 5.5 V supply (3.3 V/5 V tolerant I/O), low-power modes with down to 60 nA hibernate current, a USB 2.0 Full-Speed device with internal pull-up resistor, hardware I2C/SPI/UART, and an internal main oscillator trimmed to 0.25% accuracy across voltage and temperature. The 28-SSOP footprint is a compact, gull-wing surface-mount package suitable for hand-soldered prototypes and reflow production alike, with the exposed pad providing an additional thermal path for high-activity applications. The architecture pairs the Cortex-M0 core with a digital system interconnect that can route any GPIO to any peripheral through the UDB fabric - effectively turning the device into a custom-logic-plus-MCU hybrid. The 12-bit SAR ADC, two op-amps and two comparators (referenced in the broader 4200 family datasheet) eliminate the need for external signal conditioning, while hardware CapSense enables touch-button and slider interfaces without dedicated touch ICs. Typical applications include USB Human Interface Devices (HID) such as mice, keyboards and game controllers, CapSense touch-button control panels for white goods and industrial front panels, sensor conditioning nodes for IoT edge devices, low-cost motor control for small BLDC or stepper fans, and digital power conversion feedback loops. The wide 1.71-5.5 V supply range also makes the part suitable for direct connection to single-cell Li-ion or 3.3 V/5 V regulated rails without level shifters. When designing with this device, plan for CapSense tuning using Infineon's CY8CKIT-145-40XX prototyping kit and the PSoC Creator IDE; route unused GPIO to fixed states with the internal pull-up/down to avoid spurious wake-ups. For USB applications, ensure the 5 V VBUS rail is decoupled within 25 mm of the VBUS pin, and verify the firmware uses the integrated USB regulator at 3.3 V rather than an external LDO if board area is constrained. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet - including parametric comparisons versus cross-brand ARM Cortex-M0 MCUs in the same 28-SSOP footprint.

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CY8C4245AXI-483 - 32KB Flash PSoC 4200 MCU | Infineon
CY8C4245AXI-483

CY8C4245AXI-483 - 32KB Flash PSoC 4200 MCU | Infineon

The Infineon CY8C4245AXI-483 is a PSoC™ 4200 family microcontroller built around a 32-bit ARM Cortex-M0 core running up to 48 MHz, integrating 32 KB Flash and 4 KB SRAM, housed in a 44-pin TQFP (10x10 mm) package (suffix AQI = industrial temperature, 483 = specific die variant). It is part of the PSoC 4 platform that combines a Cortex-M0 CPU with programmable analog and digital blocks (Universal Digital Blocks and Analog Blocks) and a standard Cortex-M0 subsystem, making it a true programmable system-on-chip for embedded designs. A PSoC (Programmable System-on-Chip) is a microcontroller family in which the analog and digital peripherals are defined by reconfigurable hardware blocks rather than fixed-function IP. PSoC 4 specifically pairs an ARM Cortex-M0 core with Cypress/Infineon's UDB and AB blocks, sitting in the hierarchy: microcontroller -> embedded MCU -> ARM Cortex-M MCU -> PSoC 4 family -> PSoC 4200 series. The CY8C4245AXI-483 represents one of the higher-density flash parts in the 4200 series. Key features include 32 KB Flash, 4 KB SRAM, 36 programmable GPIO, two op-amps and two comparators in the analog subsystem, four Timer/Counter/PWM blocks, a USB Full-Speed peripheral (note the absence), I2C, SPI, UART, and a 12-bit 1 Msps SAR ADC. Drive modes, drive strengths, and slew rates are all programmable, giving PCB designers flexibility for signal integrity. Extended Industrial temperature range -40°C to +105°C is supported per the package suffix. The technical architecture combines the ARM Cortex-M0 core (Thumb-2 instruction set, single-cycle 32x32 multiplier) with the PSoC fabric of UDBs, programmable routing, and a 12-bit DAC-capable IDAC. A capacitive sensing block (CapSense) supports touch and proximity user interfaces directly without external components, which is why PSoC 4200 parts dominate home appliance and white-goods touch-panel designs. Typical applications include home appliance user interfaces (CapSense buttons/sliders), white goods motor control front-ends, smart sensor hubs, industrial HMI panels, low-cost BLE/Sub-GHz sensor nodes (as host MCU), and capacitive proximity/gesture interfaces. The wide -40°C to +105°C operating range also suits outdoor or garage cabinet electronics. Selection typically favors the CY8C4245 when more flash (32 KB) is required than the CY8C4244 (16 KB) or CY8C4135/4125 (lower pin-count or flash-density variants). A key design consideration is that TQFP-44 is the largest of the five package options offered in the 4200 family; designers migrating to a smaller PCB can substitute the CY8C4245AXI-483 with the Q41-A48 40-pin QFN or 28-pin SSOP at the expense of GPIO count. The 483 suffix refers to a specific firmware feature subset and should be verified against the PSoC Creator 4.x component catalog rather than chosen arbitrarily. This page synthesizes distributor pricing, same-package drop-in variants (CY8C4245AXI-483T, CY8C4245AXI-482), other-density 4200 family members, and practical design notes not found in the standalone manufacturer datasheet.

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CY8C4246AZI-M445 - 48MHz PSoC 4200M MCU, 64KB Flash | Infineon
CY8C4246AZI-M445

CY8C4246AZI-M445 - 48MHz PSoC 4200M MCU, 64KB Flash | Infineon

Infineon's CY8C4246AZI-M445 is a 32-bit ARM Cortex-M0 PSoC 4200M microcontroller operating at 48 MHz with 64 kB Flash and 8 kB SRAM, housed in a 64-pin TQFP (10x10 mm) package. The device targets motor control and residential air-conditioner applications, with 36 programmable analog and digital blocks, four op-amps, four DACs, four SCs, four comparators, and two CapSense blocks. It operates across an industrial temperature range of -40C to +105C with 1.71V to 3.6V supply. A Programmable System-on-Chip (PSoC) is a mixed-signal MCU that combines an ARM Cortex-M core with configurable analog and digital Universal Digital Blocks (UDBs), allowing designers to instantiate peripherals such as PWMs, UARTs, and timers in firmware rather than committing to fixed silicon peripherals. PSoC devices sit in the wider hierarchy of microcontrollers -> MCUs -> embedded processors -> semiconductors. This flexibility distinguishes PSoC from fixed-peripheral MCUs and is the reason PSoC 4200M devices dominate capacitive-touch and motor-control subsystems where a hardware base must include mixed-signal front-ends alongside the CPU. The CY8C4246AZI-M445 includes integrated programmable analog front-ends, two IDACs, two VDACs, four op-amps, four comparators, and four configurable switch-cap blocks (SCs), enabling direct sensor signal paths on the same die. The -M445 ordering code specifically configures internal routing targeting FOC (field-oriented control of BLDC) and PFC (power-factor correction) firmware libraries, making this part especially suited for motor-control designs. Typical applications include BLDC/PMSM motor control for HVAC compressors, fan control, pumps, and home appliances; IoT edge nodes; smart sensors; lighting control; and human-machine interface (HMI) with CapSense. The wide operating voltage and temperature make this device suitable for both industrial and consumer product lines. When designing with the CY8C4246AZI-M445, pay attention to the configurable analog block routing, ensure the SWD/JTAG programming header is accessible, and follow Infineon's PSoC Creator / ModusToolbox schematic-capture guidelines for the analog routing fabric. Decouple your supply with 100 nF + 1 uF close to each VDD pin. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet.

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CY8C4246AZI-M475 - 48MHz Cortex-M0 PSoC 4200M MCU | Infineon
CY8C4246AZI-M475

CY8C4246AZI-M475 - 48MHz Cortex-M0 PSoC 4200M MCU | Infineon

The Infineon CY8C4246AZI-M475 is a PSoC 4200M family microcontroller built on an ARM Cortex-M0 core running at 48 MHz, integrating 64 kB of flash and 8 kB of SRAM into a 64-TQFP (10x10 mm) package. According to the manufacturer product page, this part targets white-goods and air-conditioning motor control applications that demand a combination of a deterministic Cortex-M0 CPU, programmable analog, and configurable digital peripherals on a single die. The M475 suffix indicates the aircon-specific firmware derivative; the underlying silicon is shared with the wider PSoC 4200M family. A PSoC (Programmable System-on-Chip) is a category of mixed-signal microcontrollers that pairs a conventional MCU core with universal analog blocks (op-amps, ADCs, DACs, comparators) and universal digital blocks (UDBs - PLD-style state machines and timers) connected by a programmable interconnect fabric. PSoC 4 sits in the hierarchy Cortex-M0 MCU -> programmable SoC -> mixed-signal microcontroller -> embedded controller, and is distinct from a Cortex-M0 MCU in that several analog and digital peripherals are realized in software-configurable routing on the die rather than as hardwired IP. This fabric lets one silicon part serve multiple motor-control, sensor-interface, and HMI topologies without external analog components. Key features of the CY8C4246AZI-M475 include 64 kB flash, 8 kB SRAM, a 1.71 V to 5.5 V supply range that supports both 3.3 V and 5 V designs, integrated op-amps and comparators for current sensing, multiple PWM channels with dead-band logic for inverter drive, and a CAN-capable communications block (depending on family variant). The Cortex-M0 core delivers 0.93 DMIPS/MHz and the part includes a USB-of-PSoC serial-wire debug interface. Programmable analog lets designers configure SAR ADCs and continuous-time blocks (CTBm) at compile time rather than selecting discrete op-amps. Typical applications are field-oriented control (FOC) of permanent-magnet synchronous motors (PMSM) used in residential air conditioners, washing-machine drum drives, and refrigerator compressors. The 8 kB SRAM and 64 kB flash budget accommodate single-shunt or dual-shunt sensorless FOC firmware with observer state machines. Programmable analog blocks can be configured as current-sense amplifiers with on-chip gain resistors, and UDB-based dead-band generators drive the three-phase inverter directly without an external gate-driver logic IC for low-voltage sub-50 V systems. Designers should plan for 1 square inch of copper under the TQFP-64 thermal pad and route the high-current switching nets away from the analog ground island. This page consolidates Infineon parametric data, distributor stock across DigiKey, Mouser and LCSC, and drop-in same-package alternatives that simplify second-source qualification. --- This page synthesizes distributor pricing across DigiKey, Mouser and LCSC, same-package drop-in alternatives from the PSoC 4200M family, and PCB design notes that are not found in the manufacturer datasheet.

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CY8C4247AZI-L423ES - PSoC 4200L MCU 48MHz 128KB | Infineon
CY8C4247AZI-L423ES

CY8C4247AZI-L423ES - PSoC 4200L MCU 48MHz 128KB | Infineon

The Infineon CY8C4247AZI-L423ES is a low-power PSoC® 4200L programmable system-on-chip based on the 32-bit ARM® Cortex®-M0 core, integrating 128 KB of Flash and 16 KB of SRAM in a 48-pin TQFP (7x7 mm) package. The device supports a CPU clock up to 48 MHz and combines programmable analog blocks, a 12-bit SAR ADC, a low-power comparator, and CapSense® touch-sensing hardware with flexible automatic routing between analog and digital resources. The integrated USB 2.0 Full-Speed peripheral and segment LCD driver make it suitable for human-interface and battery-powered products. A PSoC (Programmable System-on-Chip) is a microcontroller family that pairs a conventional MCU core with Universal Digital Blocks (UDBs) and Universal Analog Blocks (UABs) that the developer can wire into custom peripherals at compile time. Within the broader taxonomy, the PSoC 4200L belongs to the PSoC 4 family, which itself sits under 32-bit ARM Cortex-M microcontrollers and the wider microcontroller and embedded-system hierarchy. This combination of a Cortex-M0 CPU with reconfigurable analog fabric differentiates PSoC from fixed-peripheral MCUs and lets one silicon part implement multiple product variants without board changes. Key features include active power consumption below 1.2 mA at 3 MHz and a deep-sleep mode of 1.1 µA with SRAM retention. The 12-bit 1 Msps SAR ADC has 16 channels and is supported by four op-amps, two low-power comparators, two 8-bit IDACs, and two 7.5/12-bit VDACs. Communication peripherals include two I2C, three UART, two SPI, USB Full-Speed, CAN, and 36 GPIO with Smart I/O. The device operates from 1.71 V to 5.5 V and the L-series variant adds a segment LCD driver, larger memory and a USB controller compared with baseline PSoC 4000S parts. The architecture uses a Cortex-M0 core with a 2-cycle 32x32 multiplier and a nested vector interrupt controller. Programmable logic is implemented through UDBs containing PLDs and datapath elements, while analog is implemented through switched-capacitor and continuous-time UABs. This allows peripherals such as custom PWM, quadrature decoders, or sensor front-ends to be synthesized in firmware without an external FPGA or ASIC. Typical applications include capacitive touch buttons, sliders and proximity sensors for white goods and wearables; USB HID peripherals such as mice, keyboards, and game controllers; low-power glucose meters and portable medical devices; segment-LCD human-machine interfaces for thermostats and instrumentation; and CAN-connected industrial sensor nodes. The device is also used in BLDC fan control and small appliance motor drive subsystems. A key design consideration is power-budget planning: the low-power modes require the wakeup source and GPIO retention to be configured before sleep, and CapSense® electrodes should be routed with a guarded ground ring to maintain touch SNR. Designers should also evaluate the internal 1.71 V core regulator headroom when the I/O supply is dropped near 1.8 V. This page synthesizes distributor availability, parametric comparison, and PCB-level design notes not collected in the manufacturer datasheet alone, so procurement and engineering teams can shorten the make-or-buy decision for a CY8C4247AZI-L423ES-based design.

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CY8C4247AZI-L423T - PSoC 4200L 128KB Flash MCU | Infineon
CY8C4247AZI-L423T

CY8C4247AZI-L423T - PSoC 4200L 128KB Flash MCU | Infineon

The Infineon CY8C4247AZI-L423T is a PSoC 4200L programmable system-on-chip featuring an ARM Cortex-M0 CPU core running at 48 MHz, 128 KB Flash, 16 KB SRAM, and 32 DMA channels, housed in a 48-pin TQFP (7x7 mm) package. It integrates programmable analog and digital blocks with flexible automatic routing, enabling configurable mixed-signal designs in a single chip. A PSoC (Programmable System-on-Chip) is a microcontroller family that combines a CPU core with a fabric of programmable analog and digital Universal Digital Blocks (UDBs) and configurable analog peripherals such as op-amps, ADCs, DACs, and comparators. The PSoC 4200L sits within the broader hierarchy: PSoC 4 -> ARM Cortex-M0 MCU family -> 32-bit microcontroller -> embedded controller -> semiconductor IC. This integration lets designers replace multiple discrete analog ICs with software-reconfigurable on-chip resources. Key features of the CY8C4247AZI-L423T include a 12-bit SAR ADC with up to 1 Msps sample rate, 4 op-amps, 4 configurable Timer/Counter/PWM blocks, 2 IDAC channels, and a 2.4V to 5.5V operating voltage range. The device also offers capacitive touch sensing (CapSense) capability, USB device support via the integrated USB 2.0 Full-Speed peripheral, and Cryptographic AES hardware block. The wide operating range and rich analog make it suitable for consumer, industrial, and IoT end products. The device uses a Cortex-M0 core with single-cycle GPIO access, deterministic interrupt handling, and a low-power Sleep mode drawing microamp-level currents. The programmable logic (UDB) layer connects analog and digital resources via the Digital System Interconnect (DSI) matrix, allowing functions like PWM, UART, SPI, or I2S to be implemented in hardware without external peripherals. The 128 KB Flash is organized as 128K x 8 and supports in-application programming via the bootloader. Typical applications include CapSense touch buttons and sliders for appliances and wearables, USB HID peripherals such as mice and keyboards, sensor hub and signal conditioning nodes, motor control firmware for small DC and stepper motors, and LED lighting controllers requiring analog dimming. The wide 1.71V-5.5V supply range and integrated analog front end simplify BOM in mixed-signal designs. Design with the CY8C4247AZI-L423T using PSoC Creator IDE or ModusToolbox. Pay attention to decoupling: place 0.1 uF and 1 uF ceramics adjacent to each VDD pin, and follow CapSense layout guidelines (guard ring, ground flood, no traces under sensors) for robust touch performance. The 48-pin TQFP is footprint-compatible with several PSoC 4200L family variants, simplifying upgrades. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, application-specific design notes, and selection guidance that go beyond the manufacturer datasheet, helping engineers source, compare, and integrate the CY8C4247AZI-L423T quickly.

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CY8C4247AZI-L445 - 48MHz ARM Cortex-M0 PSoC 4200L MCU, 128KB Flash | Infineon
CY8C4247AZI-L445

CY8C4247AZI-L445 - 48MHz ARM Cortex-M0 PSoC 4200L MCU, 128KB Flash | Infineon

The Infineon CY8C4247AZI-L445 is a PSoC™ 4200L programmable system-on-chip featuring an ARM® Cortex®-M0 CPU core running at 48 MHz, 128 KB of program flash, and 16 KB of SRAM, integrated into a 64-pin TQFP (10x10 mm) package. It combines a configurable analog and digital fabric, 4 programmable analog blocks, 4 programmable digital blocks, and a USB-centric control set that targets low-power human-interface and sensing applications. What is a PSoC (Programmable System-on-Chip)? A PSoC is a microcontroller with a CPU core surrounded by programmable analog and digital Universal Digital Blocks (UDBs) and Universal Analog Blocks, all interconnected by a flexible routing matrix. PSoCs sit within the broader hierarchy of microcontroller -> embedded controller -> programmable SoC -> semiconductor. The PSoC 4 family uses a Cortex-M0 core (a 32-bit ARMv6-M architecture) and adds CAPSENSE™ capacitive-sensing IP, making these parts especially well suited to touch interfaces, slider/proximity sensing, and industrial HMI front-ends. Key features of the CY8C4247AZI-L445 include a 1.71–5.5 V wide VDD range, a 4-channel DMA controller, a 4-input 12-bit SAR ADC with up to 1 Msps throughput, two IDAC channels, four TCPWM blocks, and a full-speed USB 2.0 FS controller with an internal 3-pin. The integrated CAPSENSE™ Sigma-Delta (CSD) block provides hardware-accelerated capacitive touch sensing with SmartSense™ auto-tuning, eliminating manual PCB and firmware compensation. Architecturally, the device combines the 48 MHz Cortex-M0 core with an ultra-low-power Always-On (AOL) domain that keeps key peripherals alive in Deep Sleep modes down to typical 1.3 µA. This dual-domain partitioning allows active CPU execution and Always-On event monitoring to coexist, making it well suited to battery-powered products that must wake on touch or sensor events while sleeping between interactions. Typical applications include CAPSENSE™ touch-Button / slider / proximity user interfaces, USB HID peripherals such as mice and keyboards, low-power IoT endpoints with wake-on-touch, industrial control panels, smart-home appliances, e-metering front-ends, and PC peripherals. Designers should plan PCB copper pours carefully because the 64-TQFP-10x10 package has limited thermal headroom under simultaneous USB + ADC + touch-sensing load; a minimum 4-layer stack-up with a continuous ground plane is recommended for industrial designs.

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CY8C4247AZI-M485 - PSoC 4200M ARM Cortex-M0 MCU | Infineon
CY8C4247AZI-M485

CY8C4247AZI-M485 - PSoC 4200M ARM Cortex-M0 MCU | Infineon

The Infineon CY8C4247AZI-M485 is a PSoC™ 4200M family microcontroller based on the 32-bit ARM Cortex-M0 core running at up to 48 MHz, integrating 128 kByte of Flash and 16 kByte of SRAM, and housed in a 64-pin TQFP (10x10 mm) package. It combines a programmable analog and digital fabric on-chip with up to 51 general-purpose I/O pins, supporting wide supply operation from 2.5 V to 5.5 V. The CY8C4247AZI-M485 is targeted specifically at HVAC/air-conditioning appliance control designs. What is a PSoC 4 microcontroller? A PSoC (Programmable System-on-Chip) 4 is a low-power mixed-signal MCU family that pairs an ARM Cortex-M0 CPU core with a fabric of programmable analog blocks (opamps, comparators, ADCs, DACs) and universal digital blocks (UDBs). Within the PSoC 4 taxonomy it sits under PSoC 4200M -> PSoC 4 -> PSoC family -> 32-bit MCU -> microcontroller -> semiconductor, occupying the same architectural family as PSoC 4000S, 4100S, 4200L and 4100M parts. Key features of the CY8C4247AZI-M485 include an ARM Cortex-M0 core with single-cycle multiply, 128 kByte Flash / 16 kByte SRAM, programmable analog via on-chip opamps/comparators/12-bit SAR ADC and IDACs, CapSense® capacitive touch sensing hardware, up to 51 GPIO, multiple communication peripherals (SCB blocks configurable as UART/SPI/I2C), and a 2.5 V - 5.5 V wide supply range suitable for direct 5V system designs. Technically the device uses a 40 nm low-power process with an integrated Cortex-M0 core, hardware multiply (single-cycle 32x32), a 12-bit 1 Msps SAR ADC, up to four opamps, two low-power comparators, two 8-bit IDAC blocks, four TCPWM blocks for PWM/counter/quadrature decode, and five configurable serial communication blocks (SCBs) that each map to UART, SPI or I2C. The PSoC Creator / ModusToolbox toolchain exposes the analog and digital fabric as graphical components, allowing designers to instantiate peripherals and route signals on-chip. Typical applications include HVAC/air-con indoor and outdoor unit control, white-goods motor control, smart home sensor hubs, industrial HMI panels, and CapSense touch-button user interfaces. The wide 2.5 V - 5.5 V supply range allows direct connection to 5 V rails without level shifters. When designing with this part, place a 1 µF decoupling cap on each VDD/VCCD pair, follow the PSoC 4200M hardware design guide for the SWD/JTAG programming header, and confirm the 10x10 mm TQFP land pattern matches the package library before committing the PCB layout. This page synthesizes distributor pricing, same-family PSoC drop-in parts, and practical design notes not consolidated in the Infineon datasheet.

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CY8C4247LQI-BL483 - 48MHz Cortex-M0 BLE MCU | Infineon
CY8C4247LQI-BL483

CY8C4247LQI-BL483 - 48MHz Cortex-M0 BLE MCU | Infineon

The Infineon Technologies CY8C4247LQI-BL483 is a 32-bit Arm Cortex-M0 PSoC 4 Bluetooth Low Energy microcontroller operating at 48 MHz, with 128 KB of flash memory, 16 KB of SRAM, and a 12-bit SAR ADC, housed in a 56-QFN 7 x 7 mm package. The device combines embedded processing, programmable analog and digital resources, flexible routing, and integrated BLE connectivity in one surface-mount device. A PSoC, or programmable system-on-chip, is a microcontroller architecture that combines a CPU core with configurable analog and digital peripherals connected through programmable routing. This hierarchy places the PSoC within embedded controllers and microcontrollers, while its analog blocks, SAR ADC, and BLE radio expand it into a mixed-signal wireless system-on-chip for compact embedded products. Verified features include the Arm Cortex-M0 processor, 48 MHz operating speed, 128 KB flash, 16 KB SRAM, and a 12-bit SAR ADC. The BLE version supports low-power wireless designs, while the PSoC architecture allows functions to be implemented through programmable peripherals rather than relying only on fixed hardware blocks. Listed connectivity includes I2C, IrDA, and LIN, supporting common embedded control and sensor interfaces. The 56-QFN surface-mount package is intended for compact PCB designs requiring substantial mixed-signal and wireless functionality. Compared with a general-purpose Cortex-M0 MCU, the CY8C4247LQI-BL483 integrates Bluetooth Low Energy and programmable resources, reducing the need for separate wireless and analog-support components. Firmware and peripheral configuration still require careful validation because changing device variants can affect CapSense characteristics, routing, and application behavior. Typical applications include Bluetooth Low Energy sensor nodes, industrial automation equipment, consumer electronics, wearable accessories, connected controls, and low-power embedded products. The 48 MHz Cortex-M0 core and 128 KB flash provide resources for protocol handling, application logic, and peripheral configuration while retaining a compact 56-QFN footprint. Designers should verify the exact pin assignments, exposed-pad connection, power requirements, clock configuration, antenna implementation, and peripheral routing in the manufacturer datasheet before layout. For PCB layout, follow the package land pattern and thermal-pad requirements exactly; for firmware, validate the BLE stack, memory map, interrupt configuration, and any CapSense-dependent behavior on the selected ordering variant.

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CY8C4A45AZI-483ES - PSoC 4 Analog Coprocessor, 48MHz, 32KB Flash | Infineon
CY8C4A45AZI-483ES

CY8C4A45AZI-483ES - PSoC 4 Analog Coprocessor, 48MHz, 32KB Flash | Infineon

The Infineon CY8C4A45AZI-483ES is a PSoC 4 Analog Coprocessor MCU based on an ARM Cortex-M0+ core, integrating 32 KB flash and 4 KB SRAM, operating at up to 48 MHz, in a 48-pin TQFP (7x7 mm) package. The device combines a programmable analog front end, CapSense touch sensing, and a serial communication block, enabling designers to offload analog signal conditioning from a host processor. A PSoC Analog Coprocessor is a mixed-signal programmable system-on-chip that sits between a host MCU and real-world sensors. It belongs to the broader hierarchy: microcontroller -> embedded processor -> programmable system-on-chip -> semiconductor. Compared to a fixed-function analog front-end IC, the PSoC Analog Coprocessor allows designers to configure op-amps, ADCs, DACs, filters, and CapSense channels using on-chip UDBs (Universal Digital Blocks) and programmable analog blocks, shortening the BOM and accelerating design iteration. Key features include 32 KB flash, 4 KB SRAM, one 12-bit SAR ADC, up to two op-amps, two 12-bit DACs, CapSense touch sensing, two SCBs (Serial Communication Blocks) configurable as I2C/SPI/UART, and a wide operating voltage range. The 48 MHz Cortex-M0+ core delivers 0.95 DMIPS/MHz and supports the Cortex-M0+ instruction set, providing efficient interrupt handling for real-time sensor data. The architecture combines a Cortex-M0+ CPU subsystem with programmable analog blocks, UDBs for digital logic, and dedicated peripherals. The PSoC Creator IDE supports schematic-based design entry for analog routing, and the device is supported by Infineon's ModusToolbox ecosystem for modern development workflows. Typical applications include sensor signal conditioning in IoT endpoints, CapSense touch interfaces for HMI, industrial sensor hubs, smart home devices, and low-power wireless sensor nodes paired with an external host MCU. The wide operating voltage range supports both 3.3V and 5V system designs. When designing with this device, ensure that the host MCU communicates with the coprocessor over I2C or SPI using the standard SCB blocks. The Cypress/Infineon PSoC Creator or ModusToolbox toolchain generates the API for all programmable analog blocks. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes for the CY8C4A45AZI-483ES that are not found in the manufacturer datasheet alone.

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CY8C5246AXI-054 - 40MHz Cortex-M3 PSoC 5 MCU | Infineon
CY8C5246AXI-054

CY8C5246AXI-054 - 40MHz Cortex-M3 PSoC 5 MCU | Infineon

Infineon CY8C5246AXI-054 is a programmable system-on-chip microcontroller based on a 32-bit Arm Cortex-M3 RISC core, operating up to 40 MHz and integrating programmable analog and digital peripherals with 64 KB of Flash memory. The device supports 2.5 V, 3.3 V, and 5 V operating voltages and is supplied in a 100-pin TQFP surface-mount package. A programmable system-on-chip, or PSoC, is a mixed-signal microcontroller architecture that combines a CPU, programmable digital blocks, analog-to-digital and digital-to-analog converters, timers, communication interfaces, and touch-sensing resources in one integrated device. In the semiconductor hierarchy, the CY8C5246 belongs to the microcontroller and embedded-processing family, providing a platform for compact control and human-machine-interface designs. The principal benefits of the CY8C5246AXI-054 are its 40 MHz maximum operating frequency, Arm Cortex-M3 instruction set, 64 KB Flash memory, and configurable peripheral blocks. According to the Cypress Semiconductor datasheet information, PSoC 5 devices combine memory, analog, and digital peripheral functions in one chip. This integration can reduce external component count while allowing peripheral behavior to be adapted to application requirements. The 32-bit Cortex-M3 core supports deterministic embedded control, while the configurable PSoC blocks extend the design beyond a fixed-pin microcontroller. This combination is useful when a product needs both conventional control logic and application-specific analog or digital functions. The available source information does not provide the complete peripheral inventory, SRAM capacity, operating-temperature range, or detailed clock configuration, so those values should be confirmed in the manufacturer documentation. Typical uses include capacitive-touch human-machine interfaces, USB and LIN-connected industrial controls, embedded user-interface modules, and compact consumer appliances. The target is especially relevant where an integrated MCU, programmable logic, analog conversion, and memory are needed within a single 100-pin TQFP footprint. The listed distributor information identifies the CY8C5246 series as a USB/LIN MCU with capacitive-touch control capabilities. Designers should validate the complete pin assignment and peripheral allocation in the datasheet before final schematic capture. The 100-pin TQFP package provides many dedicated and multiplexed connections, but incorrect programming of routing or pin multiplexing can cause interface conflicts. Firmware, bootloader support, clocking, decoupling, and touch-sensor calibration should also be reviewed against the applicable PSoC 5 documentation. This product data combines verified manufacturer-derived specifications, distributor availability, pricing, and cross-reference results with practical selection guidance. It specifically distinguishes same-package drop-in candidates from package changes and identifies which engineering details still require confirmation from the full manufacturer datasheet.

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CY8C5246LTI-029 - 40MHz PSoC 5 MCU | Infineon
CY8C5246LTI-029

CY8C5246LTI-029 - 40MHz PSoC 5 MCU | Infineon

Infineon Technologies CY8C5246LTI-029 is a 32-bit PSoC 5 microcontroller with an ARM Cortex-M3 core, 40 MHz operating frequency, and 64 KB of flash memory in a 68-QFN 8 x 8 mm package. It combines a microcontroller, programmable digital peripherals, analog resources, and capacitive-sensing capabilities in one programmable system-on-chip. The verified distributor data identifies a 64K x 8 flash organization, making the device appropriate for embedded control, human-machine-interface, USB, and LIN-oriented systems. A programmable system-on-chip, or PSoC, is an MCU category that integrates a CPU with configurable digital and analog peripheral blocks. The CY8C52 family belongs to the broader embedded-controller hierarchy: PSoC 5 -> programmable system-on-chip -> microcontroller -> embedded processor -> semiconductor. Its Cortex-M3-based architecture combines conventional firmware-driven control with programmable peripheral routing, reducing the need for discrete logic around sensing and interface functions. The principal verified features of the CY8C5246LTI-029 include a 40 MHz maximum clock, 64 KB flash memory, 32-bit processing, and a compact 68-QFN package measuring 8 x 8 mm. The -029 ordering option is associated with capacitive-touch human-machine-interface applications, according to the verified product listing. These characteristics support mixed signal and control designs where board area, processing capability, and configurable peripherals are important. The CY8C5246 family provides a platform for embedded products requiring more flexibility than a basic fixed-function MCU. Its programmable architecture can support control logic, communications, analog measurement, and user-interface functions while retaining conventional microcontroller firmware workflows. This makes the CY8C5246LTI-029 relevant to industrial interfaces, consumer controls, human-machine interfaces, and connected peripheral designs where reducing external component count is beneficial. Typical uses include capacitive-touch keypads and panels, USB-enabled human-machine interfaces, LIN-connected controls, industrial operator panels, compact embedded controllers, and low-cost consumer peripherals. The 40 MHz Cortex-M3 core provides the processing headroom required for protocol handling, control-loop execution, and supervisory logic, while 64 KB flash provides local program storage for embedded applications. Design planning should begin with the exact 68-QFN land pattern and thermal pad requirements in the manufacturer datasheet. The verified web data does not include the complete pin names, exposed-pad connection, electrical limits, SRAM capacity, or detailed temperature ratings; these values must be confirmed before schematic capture or PCB release. Component availability and pricing should also be reconfirmed with the selected authorized distributor. This product page consolidates verified distributor specifications, exact package information, pricing references, compatible family alternatives, and practical engineering guidance. It also clearly identifies unavailable technical fields instead of estimating them, providing a safer basis for sourcing and preliminary design decisions.

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CY8C5247AXI-051 - 40MHz Cortex-M3 PSoC 5 | Infineon
CY8C5247AXI-051

CY8C5247AXI-051 - 40MHz Cortex-M3 PSoC 5 | Infineon

Infineon Technologies CY8C5247AXI-051 is a 32-bit ARM Cortex-M3 PSoC 5 microcontroller with a 40 MHz operating frequency, 128 KB of embedded flash memory, and a 100-pin TQFP package measuring 14 x 14 mm. It combines a programmable system-on-chip architecture with microcontroller processing, programmable digital and analog resources, and a broad set of embedded peripherals for mixed-signal product designs. A PSoC, or programmable system-on-chip, is a semiconductor that integrates a microcontroller core with configurable analog and digital blocks. The PSoC family hierarchy includes programmable logic, analog conversion and conditioning, memory, timers, communications, and general-purpose microcontroller processing. This integration can reduce the number of discrete components required in sensing, control, interface, and embedded processing systems. The target device features a 32-bit ARM Cortex-M3 processor operating at 40 MHz and includes 128 KB of flash organized as 128K x 8. Its 100-pin surface-mount TQFP package provides substantial I/O connectivity for mixed-signal products while remaining compatible with conventional PCB assembly and inspection processes. Supported supply listings identify 1.8 V, 2.5 V, 3.3 V, and 5 V operating options. Because the part belongs to the PSoC 5 CY8C52 family, its programmable architecture allows designers to adapt digital logic, analog functions, and peripheral behavior to product requirements rather than relying on a fixed collection of discrete functions. The ARM Cortex-M3 instruction set and 40 MHz clock provide a conventional embedded-processing foundation, while the programmable blocks can accelerate signal acquisition, conditioning, control, and communication tasks. Typical uses include industrial sensor controllers, building and energy-management systems, consumer interfaces, motor and condition monitoring, communications equipment, and compact embedded control products. The 100-pin package is especially useful when a design needs more external connections than a small microcontroller package can provide without increasing board-routing complexity. Designers should review the manufacturer pin-description table before assigning PCB signals, particularly for analog supplies, programming interfaces, clocking, reset, and power pins. Decoupling, analog-ground planning, and programming-access requirements also need to follow the manufacturer reference design. The 100-pin footprint requires careful fan-out routing and adequate thermal copper around the perimeter leads. This product record combines device specifications, verified package and sourcing information, same-family replacement analysis, application guidance, and engineering-oriented design notes. It is structured to help engineers identify the correct footprint and programming configuration while distinguishing exact functional matches from broader PSoC 5 alternatives.

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CY8C5247LTI-089 - 40MHz PSoC 5 MCU | Infineon
CY8C5247LTI-089

CY8C5247LTI-089 - 40MHz PSoC 5 MCU | Infineon

Infineon Technologies CY8C5247LTI-089 is a 32-bit ARM Cortex-M3 programmable system-on-chip microcontroller operating at 40 MHz, with 128 KB of Flash memory and 32 KB of SRAM in a 68-QFN (8 x 8 mm) package with an exposed pad. The device integrates USB, LIN, and I2C interfaces and is positioned for capacitive-touch human-machine interfaces and compact embedded control systems. A programmable system-on-chip, or PSoC, combines a microcontroller core with programmable analog and digital resources on one integrated circuit. This integration can reduce the number of discrete sensing, interface, and control components required around a processor. The CY8C5247 family belongs to the broader embedded-processing hierarchy of 32-bit microcontrollers, programmable system-on-chips, and semiconductor-based embedded-control devices. The CY8C5247LTI-089 combines an ARM Cortex-M3 processor with 128 KB of Flash and 32 KB of SRAM. Its 40 MHz operating frequency provides a defined execution rate for control tasks, while USB, LIN, and I2C connectivity supports peripheral buses and host-device communication. The part is also identified as a capacitive-touch controller for human-machine interface applications. The 68-QFN package uses an 8 x 8 mm footprint and includes an exposed pad for board-level thermal management. This combination integrates communication peripherals, memory, touch-oriented control, and a compact surface-mount package into a single device. The exposed-pad construction also makes correct PCB land-pattern design and thermal via placement important to reliable operation. Typical applications include capacitive-touch keypads, industrial human-machine interfaces, USB-connected embedded controls, LIN-connected vehicle or industrial modules, and compact I2C-based sensor or interface systems. The selection of a PSoC is particularly useful when fixed-function discrete implementations would require several analog, digital, and communication blocks around a conventional microcontroller. Designers should use the manufacturer pin description and package drawing when assigning signals, because the exposed-pad and fine-pitch 68-QFN footprint require exact land-pattern matching. Firmware and peripheral configuration must also be checked against the assigned USB, LIN, I2C, touch, clock, and power connections. This page combines the device specifications, package details, application guidance, and replacement considerations needed during component selection and PCB planning.

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CY8C5248AXI-047 - 40MHz ARM Cortex-M3 PSoC 5 | Infineon
CY8C5248AXI-047

CY8C5248AXI-047 - 40MHz ARM Cortex-M3 PSoC 5 | Infineon

The Infineon Technologies CY8C5248AXI-047 is a 32-bit ARM Cortex-M3 PSoC 5 microcontroller operating at 40 MHz, with 256 KB of flash memory and a 100-pin LQFP package measuring 14 x 14 mm. It is designed for embedded systems that require a microcontroller core together with configurable digital and analog peripheral functions. A PSoC, or programmable system-on-chip, is a semiconductor platform that combines a microcontroller unit with configurable peripheral blocks. In this architecture, the MCU handles sequential control, while programmable digital, analog, timer, and communication resources can be arranged to match the system requirements. The CY8C5248AXI-047 belongs to the CY8C52 PSoC 5 family, which is intended for mixed-signal embedded designs. The device is specified with a 40 MHz ARM Cortex-M3 processor core, 32-bit architecture, and 256 KB of flash memory. The 100-LQFP package provides a large pin count compared with smaller microcontroller packages, supporting the PSoC family’s combination of digital control and analog or peripheral connections. A 1.8 V operating or supply indication appears in the product listing information, while the full electrical limits and pin functions must be confirmed in the manufacturer datasheet. Typical application areas include industrial control equipment, sensor and signal-conditioning systems, embedded measurement products, communications modules, and compact consumer or medical devices. The PSoC architecture is especially useful when a design needs multiple configurable peripheral functions without relying on a large collection of separate discrete ICs. Designers should use the datasheet pin-description table when assigning the 100 package pins, especially for power, ground, analog, and special-function connections. Decoupling, exposed thermal behavior, programming, and analog calibration should be implemented according to the manufacturer’s recommended application circuit. This page combines the exact catalog identifiers and source links with practical context for selecting, comparing, and integrating the device.

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CY8C5248LTI-030 - 40MHz PSoC 5 MCU with 256KB Flash | Infineon
CY8C5248LTI-030

CY8C5248LTI-030 - 40MHz PSoC 5 MCU with 256KB Flash | Infineon

Infineon Technologies CY8C5248LTI-030 is a PSoC 5 programmable system-on-chip microcontroller with a 32-bit ARM Cortex-M3 processor operating up to 40 MHz, 256 KB of flash memory, and a 68-pin QFN package measuring 8 mm by 8 mm. The device combines a microcontroller core with programmable analog and digital system resources, making it suitable for embedded control, human-machine-interface, capacitive-touch, and connected-product designs. A microcontroller is a compact computing system integrated on one semiconductor die. It includes a processor core, nonvolatile program memory, data memory, peripheral interfaces, and clock and reset resources. The CY8C52 series extends this MCU architecture with PSoC programmable digital blocks, analog blocks, and capacitive-sensing capabilities, allowing peripheral functions to be configured closer to the application requirement than a fixed-function implementation. The verified product listing identifies the CY8C5248LTI-030 as a 32-bit PSoC 5 CY8C52 microcontroller, a 40 MHz device, and a 256 KB flash MCU. The family description also identifies a large-RAM profile, capacitive-touch control, and display-control support for capacitive-touch human-machine interfaces. These characteristics make the device relevant to industrial panels, touch controls, embedded user interfaces, and compact embedded-control systems where component count and board area matter. The target part uses a 68-QFN package with an exposed pad and surface-mount construction. Its exact package height, exposed-pad dimensions, temperature range, supply-voltage limits, RAM capacity, peripheral set, and pin assignments require confirmation from the manufacturer documentation. The suffix in the MPN identifies ordering or packaging information, so engineers should compare the full ordering code, exposed-pad land pattern, and electrical limits before treating another member of the CY8C52 family as a replacement. For PCB design, follow the manufacturer pinout and land-pattern guidance rather than inferring connections from the 68-QFN outline. The exposed thermal pad should use the prescribed land geometry and thermal-via pattern. Because the target supports capacitive touch and display-oriented human-machine-interface functions, analog routing, touch-sensor traces, display interfaces, and power-supply grounding deserve particular attention. Practical uses include capacitive-touch control panels, display interfaces, industrial operator panels, USB/LIN-oriented embedded controllers, sensor-conditioning systems, and compact consumer interfaces. The ARM Cortex-M3 architecture provides a familiar embedded-control platform, while the programmable PSoC resources can consolidate functions that otherwise require additional discrete or dedicated integrated circuits. This page consolidates the verified product identity, package information, cross-reference context, application guidance, and design cautions for CY8C5248LTI-030. Confirm current lifecycle, electrical limits, firmware support, and manufacturing status with Infineon before a new production release, and submit an RFQ through the Request a Quote form for current commercial availability.

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CY8C5287AXI-LP095 - PSoC 5LP ARM Cortex-M3 MCU | Infineon
CY8C5287AXI-LP095

CY8C5287AXI-LP095 - PSoC 5LP ARM Cortex-M3 MCU | Infineon

The Infineon CY8C5287AXI-LP095 is a PSoC™ 5LP family microcontroller integrating an ARM® Cortex®-M3 core, configurable analog and digital peripherals, 256 KB of Flash, and a 12-bit SAR ADC, all in a 100-pin TQFP (14x14 mm) package. It runs at up to 80 MHz and operates from 1.71 V to 5.5 V, supporting industrial and consumer applications with a wide supply range. The device is part of the CY8C52LPxxx sub-family and combines a true programmable embedded system-on-chip architecture with on-chip DMA, interrupt controller, and rich digital fabric. A PSoC (Programmable System-on-Chip) is a microcontroller variant that augments a conventional CPU core with universal analog blocks (op-amps, ADCs, DACs, comparators) and universal digital blocks (UDBs, timers, PWM, UART, SPI, I2C) that the developer can wire on-chip through a programmable interconnect. Architecturally, PSoC 5LP sits between a traditional MCU and an FPGA/CPLD: it offers hardware flexibility of an FPGA-like fabric while retaining the deterministic firmware model of an MCU. In the broader taxonomy it belongs to microcontrollers → 32-bit microcontrollers → ARM Cortex-M3 microcontrollers → programmable SoCs. Key features include 256 KB Flash, 32 KB SRAM, 2 KB EEPROM, a 1 MSPS 12-bit SAR ADC, four 8-bit DACs, four op-amps, four programmable analog blocks, and up to 62 GPIO. The Cortex-M3 core with MPU, 32-channel DMA, and 80 MHz operation delivers strong deterministic performance for mixed-signal designs. Typical applications include industrial sensor conditioning with on-chip op-amp gain stages, USB HID/CapSense user interfaces, motor control loops, programmable logic replacement using UDBs, and field-upgradeable embedded products. The wide 1.71-5.5 V range also lets the part run directly from a single Li-ion cell or a regulated 5 V rail. When designing with this device, allocate sufficient ground and power decoupling (a 1 µF + 0.1 µF pair on each VDD pin) and follow Infineon PSoC Creator pinout guidance. Unused GPIO should be left floating or driven low, never tied to VDD, to avoid power-on glitches during programming. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.

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