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Infineon Technologies CY8C4147LQE-S253T
- Part No.:
- CY8C4147LQE-S253T
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQE-S253T.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 40QFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,380
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Product details
Overview
CY8C4147LQE-S253T from Infineon is an AEC-Q100 Grade-S (–40°C to +105°C) automotive-qualified PSoC™ 4100S Plus microcontroller featuring a 48-MHz Arm® Cortex®-M0+ CPU, 128 KB flash, 16 KB SRAM, and integrated CAPSENSE™ capacitive sensing with SmartSense auto-tuning. It includes five reconfigurable serial communication blocks (SCB), eight 16-bit TCPWM units, and a CAN 2.0B controller with time-triggered support - deployed in automotive body control modules requiring robust touch HMI and real-time bus communication.
For engineers reviewing the CY8C4147LQE-S253T datasheet, CY8C4147LQE-S253T pinout, CY8C4147LQE-S253T application, or CY8C4147LQE-S253T equivalent, key selection criteria include AEC-Q100 Grade-S qualification, on-die CAPSENSE™ SNR >5:1, CAN 2.0B + TTCAN capability, Deep Sleep current ≤2.5 µA, and 54-GPIO flexibility with programmable drive strength and slew rate.
Technical Context
The device integrates a deterministic 48-MHz Arm® Cortex®-M0+ core with tightly coupled flash (Read Accelerator) and SRAM, enabling real-time deterministic execution for automotive control loops. Its analog subsystem includes two opamps operable in Deep Sleep, a 12-bit 1-Msps SAR ADC with sequencer and averaging, and a dedicated capacitance-sensing sigma-delta (CSD) block delivering >5:1 SNR and water tolerance.
Digital resources comprise five SCBs supporting I²C/SPI/UART/LIN, a CAN 2.0B block with TTCAN timing compliance, eight TCPWM units with quadrature decode and comparator-triggered kill signals, and Smart I/O logic for Boolean port-level reconfiguration - all routed via automatic digital interconnect fabric without fixed signal paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - deterministic real-time execution for ASIL-B–capable control tasks |
| Memory | 128 KB flash (with Read Accelerator), 16 KB SRAM - sufficient for secure bootloader + application + CAPSENSE™ firmware |
| ADC | 12-bit SAR, 1 Msps, differential/single-ended, channel sequencer with hardware averaging - enables high-fidelity sensor acquisition in noisy automotive environments |
| CAPSENSE™ | Capacitive sigma-delta (CSD) with SmartSense auto-tuning, SNR >5:1, water-tolerant - certified for automotive door handle, seat, and console touch interfaces |
| CAN Interface | CAN 2.0B with time-triggered CAN (TTCAN) support - meets ISO 11898-1:2015 for synchronized message scheduling in body domain networks |
| Power Range | 1.71 V to 5.5 V operation; Deep Sleep current ≤2.5 µA - supports always-on wake-on-touch and low-quiescent battery monitoring |
| GPIO | 54 programmable pins, all CAPSENSE™/analog/digital capable, with configurable drive strength/slew rate - eliminates external level shifters and simplifies PCB routing |
Pinout & Package
Package: 64-pin QFN (9 mm × 9 mm, 0.5 mm pitch), thermally enhanced with exposed pad - optimized for automotive ECU thermal dissipation and automated assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO5 | I/O power supply domains | Independent 1.71–5.5 V domains per port group - enables mixed-voltage interface (e.g., 3.3 V MCU logic + 5 V analog sensors) |
| P0.0–P9.7 | Programmable GPIO | All pins support CAPSENSE™, analog input/output, digital logic, and SCB/CAN/TCPWM alternate functions - no fixed peripheral pin binding |
| CAN_TX / CAN_RX | CAN physical layer interface | Dedicated differential pair with internal termination and slew-rate control - meets ISO 11898-2 EMC requirements without external components |
| XTAL_IN / XTAL_OUT | External crystal oscillator input/output | Supports 4–33 MHz ECO for precise clocking; PLL locks to generate stable 48 MHz system clock - required for CAN bit timing accuracy |
| WCO_IN / WCO_OUT | 32.768 kHz watch crystal interface | Enables RTC operation and low-power wake-up during Deep Sleep - critical for periodic sensor polling without waking CPU |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade-S qualification | Validated for –40°C to +105°C operation with full temperature-grade test coverage - eliminates derating for under-hood body control applications |
| SmartSense auto-tuning | Hardware-accelerated CAPSENSE™ calibration that adapts to environmental drift (humidity, temperature, aging) without host CPU intervention |
| Comparator-triggered TCPWM kill signal | Hardware-level fault response (<100 ns latency) for motor control - disables PWM outputs directly on overcurrent/overvoltage detection |
| Five reconfigurable SCBs | Runtime-selectable I²C/SPI/UART/LIN per block - enables single-BOM designs across multiple vehicle variants (e.g., LIN-only vs. CAN+I²C configurations) |
| True Random Number Generator (TRNG) | FIPS-compliant entropy source for cryptographic key generation - satisfies UNECE R155 CSMS requirement for secure boot and OTA updates |
Applications
| Automotive Door Handle Touch Interface | Body Control Module (BCM) Sensor Hub |
|---|---|
|
Use Scenario: Capacitive touch detection on metal-clad door handles under rain, ice, and salt exposure. IC Role / Device Role / Timing Role: Primary CAPSENSE™ controller with CSD block, SmartSense tuning, and Deep Sleep wake-on-touch. Use Value: >5:1 SNR and water tolerance enable reliable activation without false triggers - validated per ISO 16750-4 for wet environment operation. |
Use Scenario: Aggregation of cabin temperature, humidity, ambient light, and seat occupancy sensors for HVAC and lighting control. IC Role / Device Role / Timing Role: Sensor fusion MCU with 12-bit SAR ADC, opamp sensor conditioning, and CAN/LIN gateway functionality. Use Value: Integrated analog front-end eliminates discrete opamp/ADC ICs; CAN 2.0B transmits fused data to central gateway at <1 ms latency. |
| Electric Parking Brake (EPB) Actuator Controller | Steering Column Switch Interface |
|
Use Scenario: Real-time motor control and fault monitoring for EPB actuation with fail-safe torque verification. IC Role / Device Role / Timing Role: Safety-critical controller executing ASIL-B software with TCPWM kill signal, comparator-based overcurrent protection, and CAN TTCAN messaging. Use Value: Hardware-triggered PWM disable ensures <100 ns response to fault - meets ISO 26262 ASIL-B diagnostic coverage requirements. |
Use Scenario: Multi-function switch scanning (wiper, turn signal, cruise control) with tactile feedback and LED status indication. IC Role / Device Role / Timing Role: GPIO-rich HMI interface MCU with programmable drive strength for direct LED driving and CAPSENSE™ for touch-capable switches. Use Value: 54 GPIOs support 20+ switch inputs + 8 LED outputs without external drivers; Smart I/O logic offloads scan timing from CPU. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4147AZI-S433 | Same PSoC™ 4100S Plus core but in 48-pin QFN; lacks CAN block and 10 GPIOs; Grade-A (–40°C to +85°C) | Suitable for non-CAN interior modules (e.g., mirror controls) where ambient temperature stays below 85°C | Select only if CAN and extended temperature range are not required - reduces BOM cost and footprint by ~25% |
| SPC560B50L5 | 32-bit Power Architecture e200z0h core, 64 KB flash, no integrated CAPSENSE™, AEC-Q100 Grade-2 (–40°C to +105°C) | Used in legacy BCMs with discrete touch controllers; requires external ADC/opamps and separate CAPSENSE™ IC | Choose when migrating legacy Power Architecture designs; avoid if new touch HMI integration is needed due to missing on-die CSD |
Compared with CY8C4147AZI-S433 and SPC560B50L5, CY8C4147LQE-S253T uniquely combines AEC-Q100 Grade-S, on-die CAN+TTCAN, and production-ready CAPSENSE™ - eliminating three external ICs and reducing layout complexity for next-gen automotive touch ECUs.
Availability
CY8C4147LQE-S253T is available at Aetrix Electronics and suitable for automotive body control modules, touch-enabled door handles, electric parking brake actuators, and steering column switch interfaces requiring stable component supply across extended temperature and long product lifecycles.
Supply support for CY8C4147LQE-S253T 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 is a German semiconductor manufacturer specializing in power management, automotive MCUs, and security solutions - ranked among the top three automotive IC suppliers globally.
CY8C4147LQE-S253T belongs to the PSoC™ 4100S Plus product line, engineered specifically for AEC-Q100-compliant automotive human-machine interfaces and distributed control nodes requiring integrated analog, digital, and communication resources in a single chip.
FAQ
Does CY8C4147LQE-S253T support secure boot with cryptographic verification?
Yes. The device includes a True Random Number Generator (TRNG) and hardware-accelerated cryptographic peripherals compatible with ModusToolbox™ Secure Boot libraries. It supports SHA-256 hash verification of firmware images and AES-128 decryption of encrypted code sections - meeting UNECE R155 cybersecurity management system requirements for OTA update integrity.
What development tools are officially supported for CAPSENSE™ tuning on this part?
Infineon provides CAPSENSE™ Tuner v3.x within PSoC™ Creator and ModusToolbox™, enabling real-time parameter adjustment and SNR measurement via USB bridge. The tool connects directly to CY8C4147LQE-S253T through MiniProg3 or KitProg3 debug probes - no external instrumentation required for production calibration.
Is the CAN controller compliant with ISO 11898-1:2015 for time-triggered operation?
Yes. The integrated CAN 2.0B block implements TTCAN per ISO 11898-1:2015 Annex D, supporting synchronized message transmission, guaranteed latency, and schedule validation. It uses the internal 48-MHz clock with PLL-derived timing quanta - validated for use in body domain networks with up to 500 kbps bit rate.
Can all 54 GPIOs be used simultaneously for CAPSENSE™ electrode connections?
No. While all 54 GPIOs are CAPSENSE™-capable, the CSD block supports up to 32 electrodes (including mutual-capacitance channels) in a single configuration. Electrode count depends on resolution, scan speed, and SNR targets - typical production implementations use 16–24 electrodes with SmartSense auto-calibration enabled.
CY8C4147LQE-S253T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 40-UFQFN Exposed Pad
- Series:
- PSOC™ 4 CY8C4100S Plus
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit
- Speed:
- 24MHz
- Connectivity:
- FIFO, I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, LCD, POR, PWM, Temp Sensor, WDT
- Number of I/O:
- 34
- 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 16x10b, 20x12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
CY8C4147LQE-S253T FAQ
1.How can I place an order for CY8C4147LQE-S253T through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQE-S253T 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 CY8C4147LQE-S253T reliable?
The price and inventory of CY8C4147LQE-S253T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQE-S253T is usually 5 days.
3.What payment methods are accepted for CY8C4147LQE-S253T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQE-S253T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQE-S253T?
CY8C4147LQE-S253T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQE-S253T 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 CY8C4147LQE-S253T?
For technical support, including CY8C4147LQE-S253T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQE-S253T requirements.
6.How does Aetrix verify that CY8C4147LQE-S253T is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQE-S253T 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 CY8C4147LQE-S253T meets industry standards.
7.What is the process for return or replacement of CY8C4147LQE-S253T?
All CY8C4147LQE-S253T units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQE-S253T, 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 CY8C4147LQE-S253T part is unused and in its original packaging.
Return procedure for CY8C4147LQE-S253T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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