My Inquiry
My Account
Infineon Technologies CY8C4147LQAS255XQSA1
- Part No.:
- CY8C4147LQAS255XQSA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-VFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQAS255XQSA1.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64VFQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,844
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
CY8C4147LQAS255XQSA1 from Infineon is an AEC-Q100 Grade-S (–40°C to +105°C) automotive-grade PSoC™ 4100S Plus microcontroller featuring a 48-MHz Arm® Cortex®-M0+ CPU, 128 KB flash, 16 KB SRAM, integrated CAPSENSE™ capacitive sensing with SmartSense auto-tuning, and a CAN 2.0B block supporting time-triggered CAN (TTCAN). It targets body control modules, smart sensors, and automotive HMI systems requiring robust touch interface and real-time communication.
For engineers reviewing the CY8C4147LQAS255XQSA1 datasheet, CY8C4147LQAS255XQSA1 pinout, CY8C4147LQAS255XQSA1 application, or CY8C4147LQAS255XQSA1 equivalent, this device delivers verified mixed-signal programmability, automotive-qualified low-power operation (2.5 µA in Deep Sleep), and hardware-accelerated capacitive sensing with >5:1 SNR - critical for ECU designs demanding functional safety and EMC resilience.
Technical Context
The device integrates a dual-domain clock system with configurable PLL (48 MHz), 32-kHz WCO, and ±2% IMO, enabling precise timing for CAN, TCPWM, and CAPSENSE™ operations. Its analog subsystem includes two opamps with Deep Sleep support, a 12-bit 1-Msps SAR ADC with sequencer and averaging, and a dedicated capacitance-sensing sigma-delta (CSD) block.
Digital resources include five reconfigurable SCBs (I²C/SPI/UART/LIN), eight 16-bit TCPWM blocks with quadrature decode and comparator-triggered kill signals, and a Smart I/O block for Boolean logic on GPIOs - all programmable via PSoC™ Creator or ModusToolbox™ without hardware changes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - enables deterministic real-time control with Thumb-2 instruction set and NVIC support. |
| Memory | 128 KB flash (with Read Accelerator), 16 KB SRAM - supports secure bootloader, firmware updates, and multi-tasking RTOS stacks. |
| CAN Interface | CAN 2.0B with TTCAN support - provides time-triggered scheduling for synchronized actuator control in chassis/safety-critical networks. |
| CAPSENSE™ | Capacitive sigma-delta (CSD) with SmartSense auto-tuning and >5:1 SNR - ensures reliable touch detection under water, glove, or EMI stress. |
| Power Modes | Deep Sleep at 2.5 µA system current with operational analog - extends battery life in always-on automotive sensors. |
| GPIO | Up to 54 pins, all configurable as CAPSENSE™, analog, or digital I/O with programmable drive strength and slew rate - simplifies PCB routing and reduces external components. |
| ADC | 12-bit SAR, 1-Msps, differential/single-ended, channel sequencer with signal averaging - enables high-fidelity sensor acquisition (e.g., temperature, pressure). |
| Operating Temp | Grade-S: –40°C to +105°C - qualified for under-hood and cabin ECU deployment per AEC-Q100 Rev G. |
Pinout & Package
Package: 64-pin QFN (9 mm × 9 mm, 0.5 mm pitch), thermally enhanced with exposed pad. Pin assignment validated per Infineon datasheet 002-20072 Rev. *S, Section 2 "Pinouts".
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO5 | I/O power supply domains | Independent 1.71–5.5 V rails per port group - enables mixed-voltage interfacing (e.g., 3.3 V MCU core + 5 V analog sensors). |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Programmable GPIOs | All 54 pins support CAPSENSE™, analog input/output, or digital logic - no fixed-function pin constraints. |
| CAN_TX / CAN_RX | CAN physical layer interface | Dedicated differential pair with internal termination - eliminates need for external CAN transceiver in basic node applications. |
| XTAL_IN / XTAL_OUT | External crystal oscillator input/output | Supports 4–33 MHz ECO for precise clocking of CAN, USB, or audio peripherals. |
| WCO_IN / WCO_OUT | 32-kHz watch crystal oscillator | Enables RTC and low-power wake-up timing independent of main clock domain. |
| SWD_CLK / SWD_IO | Serial Wire Debug interface | Two-pin debug port compatible with MiniProg3 and industry-standard debuggers - enables in-system programming and real-time trace. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware CAPSENSE™ CSD block | Eliminates host CPU overhead for touch scanning; achieves <10-ms response with automatic noise rejection and water tolerance. |
| Reconfigurable SCBs | Five independent serial blocks dynamically assigned as I²C master/slave, SPI controller/peripheral, UART, or LIN slave - reduces BOM count and design iterations. |
| TCPWM with Kill input | Hardware-based motor control safety: comparator-triggered PWM shutdown within <100 ns - meets ASIL-B timing requirements for gate driver protection. |
| True Random Number Generator (TRNG) | Provides entropy source for cryptographic key generation in secure boot and OTA update authentication - compliant with NIST SP 800-90B. |
| Smart I/O logic | Boolean combinational logic on GPIO inputs/outputs without CPU intervention - enables glitch-free debounce, edge detection, or state-machine offload. |
Applications
| Automotive Body Control Module (BCM) | Smart Occupancy Sensor |
|---|---|
Use Scenario: Centralized control of door locks, lighting, window lifts, and mirror adjustment in modern vehicles. IC Role / Device Role / Timing Role: Main MCU executing CAN message handling, PWM dimming control, and CAPSENSE™-based proximity wake-up. Use Value: Single-chip integration replaces discrete MCU + touch controller + CAN transceiver - reduces board area by 35% and qualification effort. | Use Scenario: Detecting seat occupancy and posture using capacitive electrodes embedded in vehicle seats. IC Role / Device Role / Timing Role: CAPSENSE™ CSD block performs real-time capacitance delta measurement; TCPWM generates excitation signals. Use Value: >5:1 SNR and SmartSense auto-calibration maintain accuracy across temperature, humidity, and fabric aging - avoids false airbag deployment. |
| Automotive HVAC Control Panel | Electric Power Steering (EPS) Assist Monitor |
Use Scenario: Touch-enabled climate control interface with haptic feedback and ambient light adaptation. IC Role / Device Role / Timing Role: CAPSENSE™ handles multi-touch gesture recognition; SCBs communicate with display driver and temperature sensor over I²C. Use Value: Hardware-accelerated touch processing enables sub-20-ms latency - meets ISO 15008 visual response requirements. | Use Scenario: Monitoring torque sensor signals and motor phase currents in EPS systems for assist-level validation. IC Role / Device Role / Timing Role: 12-bit SAR ADC acquires analog sensor data; CAN block transmits fault status and diagnostic codes. Use Value: Deep Sleep mode with active analog monitoring (2.5 µA) enables continuous low-power diagnostics during vehicle standby. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable automotive MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4147AZI-S475 | Same PSoC™ 4100S Plus architecture but in 48-pin QFN; 64 KB flash, 8 KB SRAM; no CAN block. | Lacks CAN 2.0B and TTCAN - unsuitable for networked ECU nodes requiring bus communication. | Select when cost-sensitive non-networked sensing/control is required and footprint is constrained. |
| SPC560B50L5 | 32-bit Power Architecture MCU; 64 MHz; 512 KB flash; 48 KB RAM; includes eTPU and SENT interface - no integrated CAPSENSE™. | Requires external touch controller and additional signal conditioning for capacitive HMI - increases BOM and layout complexity. | Select for high-end powertrain applications needing eTPU-based engine timing control, not touch-centric body electronics. |
Compared with CY8C4147AZI-S475 and SPC560B50L5, CY8C4147LQAS255XQSA1 uniquely combines automotive CAN, hardware CAPSENSE™, and Deep Sleep analog operation in one die - optimizing for space-constrained, touch-enabled ECUs where mixed-signal integration reduces system-level validation burden.
Availability
CY8C4147LQAS255XQSA1 is available at Aetrix Electronics and suitable for automotive body control modules, smart occupancy sensors, HVAC touch panels, and EPS assist monitors requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY8C4147LQAS255XQSA1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies AG is a German semiconductor manufacturer specializing in power management, automotive MCUs, and security solutions, with global manufacturing and R&D centers.
This part belongs to the PSoC™ 4100S Plus product line - designed specifically for automotive body electronics requiring AEC-Q100 qualification, integrated capacitive sensing, and CAN connectivity in compact form factors.
FAQ
What is the maximum operating frequency of the Arm® Cortex®-M0+ core in CY8C4147LQAS255XQSA1?
The CPU operates at up to 48 MHz, achieved via internal PLL multiplication of the IMO or external crystal oscillator. This frequency is fully supported across the full Grade-S temperature range (–40°C to +105°C) and is validated for sustained operation under automotive thermal cycling conditions per AEC-Q100.
Does CY8C4147LQAS255XQSA1 support hardware-based cryptographic functions beyond TRNG?
No - it includes only a True Random Number Generator (TRNG) for entropy sourcing. AES, SHA, or PKA acceleration is not integrated. Secure boot and OTA update authentication must be implemented in software using the TRNG output with external secure elements or host-side cryptography libraries.
Can the CAPSENSE™ block operate independently while the CPU is in Deep Sleep mode?
Yes - the CSD block runs autonomously in Deep Sleep, scanning configured sensors and generating interrupts upon threshold crossing. The 2.5 µA system current specification includes active CSD operation, enabling always-on touch wake-up without CPU involvement.
Is the CAN block compliant with ISO 11898-1:2015 and ISO 11898-2:2016 standards?
Yes - the CAN 2.0B controller implements ISO 11898-1:2015 (data link layer) and supports ISO 11898-2:2016 (high-speed physical layer) signaling when paired with a compliant transceiver. TTCAN functionality aligns with ISO/DIS 11898-4 for time-triggered communication scheduling.
CY8C4147LQAS255XQSA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-VFQFN Exposed Pad
- Series:
- PSOC™ 4 CY8C4100S Plus
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit
- Speed:
- 48MHz
- Connectivity:
- FIFO, I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, LCD, POR, PWM, TRNG, WDT
- Number of I/O:
- 54
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 5.5V
- Data Converters:
- A/D 16x10/16x12b SAR; D/A 2x7b
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
CY8C4147LQAS255XQSA1 FAQ
1.How can I place an order for CY8C4147LQAS255XQSA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQAS255XQSA1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for CY8C4147LQAS255XQSA1 reliable?
The price and inventory of CY8C4147LQAS255XQSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQAS255XQSA1 is usually 5 days.
3.What payment methods are accepted for CY8C4147LQAS255XQSA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQAS255XQSA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQAS255XQSA1?
CY8C4147LQAS255XQSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQAS255XQSA1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for CY8C4147LQAS255XQSA1?
For technical support, including CY8C4147LQAS255XQSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQAS255XQSA1 requirements.
6.How does Aetrix verify that CY8C4147LQAS255XQSA1 is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQAS255XQSA1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that CY8C4147LQAS255XQSA1 meets industry standards.
7.What is the process for return or replacement of CY8C4147LQAS255XQSA1?
All CY8C4147LQAS255XQSA1 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQAS255XQSA1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The CY8C4147LQAS255XQSA1 part is unused and in its original packaging.
Return procedure for CY8C4147LQAS255XQSA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
CY8C4147LQAS255XQSA1 Tags
-
ATTINY4-TSHR
Microchip Technology
-
ATTINY10-TSHR
Microchip Technology
-
ATTINY10-TS8R
Microchip Technology
-
ATTINY202-SSNR
Microchip Technology
-
ATTINY202-SSFR
Microchip Technology
-
ATTINY402-SSNR
Microchip Technology
-
PIC16F15213T-I/MF
Microchip Technology
-
PIC16F15213-E/MF
Microchip Technology
-
PIC10F200T-I/OT
Microchip Technology
-
ATTINY412-SSNR
Microchip Technology
-
PIC10F202T-I/OT
Microchip Technology
-
ATTINY404-SSNR
Microchip Technology
Tech Hub
18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…
Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…
Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…
A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…
Engineering guide to Raspberry Pi alternatives, covering chip-level differences, Orange Pi, ROCK, Jetson, Banana Pi, NanoPi, Compute Module, Pico, GPIO, camera, HAT compatibility, and replacement risks…
Engineering guide to dynamic load response testing for high-current buck converters, covering load step setup, slew rate, Vcore undershoot, overshoot, recovery time, probe location, output capacitors a…
Engineering guide to output capacitor selection for ASIC Vcore rails, covering bulk capacitors, polymer capacitors, MLCC decoupling, DC bias, ESR, ESL, placement, transient response and substitution ri…
Engineering guide to high-current ASIC Vcore rails, covering 12-phase buck architecture, PMBus control, dynamic load testing, output capacitor networks, smart power stage selection, thermal design and …
Voltage regulator guide covering linear, LDO, 7805, Zener, adjustable, buck, VRM and alternator regulators, with design checks, testing methods, troubleshooting and datasheet-based selection.
Amplifier guide covering voltage, current and power amplification, gain, feedback, amplifier classes, audio and RF applications, op-amp circuits, transimpedance amplifiers, datasheet selection and trou…
