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Infineon Technologies CY8C4147LQS-S253T
- Part No.:
- CY8C4147LQS-S253T
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQS-S253T.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 40QFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,074
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Product details
Overview
CY8C4147LQS-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 TCPWM modules, CAN 2.0B with TTCAN support, and operates from 1.71 V to 5.5 V. Used in automotive body control modules for touch-enabled door handles and climate panels.
For engineers reviewing the CY8C4147LQS-S253T datasheet, CY8C4147LQS-S253T pinout, CY8C4147LQS-S253T application, or CY8C4147LQS-S253T equivalent, key selection criteria include AEC-Q100 Grade-S qualification, on-die CAPSENSE™ SNR >5:1, CAN 2.0B + TTCAN timing compliance, Deep Sleep current ≤2.5 µA, and 54-GPIO flexibility with programmable drive strength and slew rate.
Technical Context
The device integrates a fixed-function CAN 2.0B controller with time-triggered capability (TTCAN), supporting deterministic message scheduling and synchronization via external clock input or internal WCO/ECO. Its TCPWM blocks provide quadrature decoding, comparator-triggered kill signals, and center-aligned PWM-critical for motor control safety loops.
Capacitive sensing uses a dedicated sigma-delta (CSD) block delivering >5:1 SNR and water-tolerant operation; hardware-accelerated SmartSense™ performs real-time sensor calibration without firmware overhead. The 12-bit SAR ADC supports differential inputs, channel sequencing, and signal averaging at 1 Msps.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz max - enables real-time deterministic execution of automotive body control tasks with <100 ns interrupt latency. |
| Memory | 128 KB flash (with Read Accelerator), 16 KB SRAM - supports secure bootloader, OTA update partitioning, and dual-bank firmware storage. |
| CAPSENSE™ | Sigma-delta CSD block, >5:1 SNR, water-tolerant - allows reliable touch detection on wet or coated surfaces in automotive interior applications. |
| CAN Interface | CAN 2.0B + TTCAN support - provides synchronized, time-triggered messaging required for LIN/CAN gateway functions in vehicle networks. |
| Power Modes | Deep Sleep: 2.5 µA digital + operational analog - sustains capacitive wake-up and CAN bus monitoring while meeting ISO 11898-2 standby current targets. |
| GPIO Count | 54 programmable pins - all support CAPSENSE™, analog, or digital functions with configurable drive strength (up to 25 mA) and slew rate control. |
| ADC | 12-bit SAR, 1 Msps, differential mode, sequencer with averaging - enables high-accuracy battery voltage, temperature, and sensor monitoring in BMS subfunctions. |
Pinout & Package
Package: 64-pin QFN (9 mm × 9 mm, 0.5 mm pitch), thermally enhanced with exposed thermal pad (EPAD).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power supply banks | Independent 1.71–5.5 V supplies per bank enable mixed-voltage interface (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, digital logic, or SCB/CAN functions - routed automatically in PSoC™ Creator. |
| CAN_TX / CAN_RX | Dedicated CAN transceiver interface | Hardwired to internal CAN block; require external 120 Ω termination and isolated transceiver (e.g., TJA1042) for bus compliance. |
| XTAL_IN / XTAL_OUT | External crystal oscillator input | Supports 4–33 MHz ECO for precise clock generation; required for CAN bit timing accuracy and TTCAN synchronization. |
| WCO_IN / WCO_OUT | 32.768 kHz watch crystal oscillator | Enables low-power RTC and CAN sleep-wake timing; operates during Deep Sleep with <1 µA current draw. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense™ CAPSENSE™ tuning | Hardware-accelerated real-time calibration eliminates manual sensor parameter adjustment and ensures stable operation across temperature/humidity drift. |
| Reconfigurable SCBs | Five independent serial blocks each support I²C/SPI/UART/LIN slave modes at runtime - reduces BOM count by enabling protocol multiplexing on shared PCB traces. |
| TTCAN support | Time-triggered scheduling engine synchronizes CAN message transmission to system clock, enabling deterministic gateway behavior in multi-ECU architectures. |
| Deep Sleep with active analog | 2.5 µA system current while maintaining CAPSENSE™ wake detection, CAN bus monitoring, and RTC - meets automotive "always-on" low-power requirements. |
| Programmable analog blocks | Two opamps with internal/external drive modes and ADC input buffering - allow direct sensor signal conditioning without external opamp components. |
Applications
| Automotive Door Handle Touch Interface | Climate Control Panel |
|---|---|
Use Scenario: Capacitive touch buttons embedded in painted or chrome-plated door handles detect user presence under rain, ice, or glove use. IC Role / Device Role / Timing Role: CY8C4147LQS-S253T acts as standalone touch controller and LIN slave, performing CAPSENSE™ acquisition, debouncing, and LIN frame generation. Use Value: >5:1 SNR and SmartSense™ ensure false-trigger rate <0.1% across –40°C to +105°C and wet conditions, eliminating mechanical switches. |
Use Scenario: Multi-zone HVAC panel with slider controls, temperature readouts, and fan speed adjustment using capacitive sliders and buttons. IC Role / Device Role / Timing Role: MCU executes CAPSENSE™ scanning, drives 4-digit LCD segments via GPIO, and communicates HVAC setpoints over CAN to body domain controller. Use Value: Integrated LCD drive and 54-GPIO eliminate external display driver IC; CAN + TTCAN ensures synchronized zone updates across vehicle network. |
| Body Control Module Gateway | Seat Position Memory System |
Use Scenario: Aggregating signals from door, window, and lighting sensors and translating between LIN slave devices and CAN backbone. IC Role / Device Role / Timing Role: Acts as LIN master and CAN 2.0B/TTCAN node, managing message scheduling, error handling, and voltage monitoring. Use Value: Dual-protocol support and hardware TTCAN timer reduce software overhead by 40% vs. software-based scheduling; AEC-Q100 Grade-S ensures reliability in under-hood proximity. |
Use Scenario: Storing and recalling driver seat position via capacitive touch presets, with motor control via PWM-driven H-bridge drivers. IC Role / Device Role / Timing Role: MCU reads CAPSENSE™ presets, executes position interpolation, generates center-aligned PWM for smooth motor ramping, and logs positions to flash. Use Value: Eight TCPWM blocks enable simultaneous control of seat motors, lumbar, and headrest actuators with synchronized kill-signal response (<1 µs) for safety-critical motion stop. |
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 architecture but in 48-pin QFN; 64 KB flash, 8 KB SRAM, no CAN block. | Lacks CAN/TTCAN; suitable only for non-networked touch-only nodes like mirror controls or ambient light sensors. | Select when CAN is unnecessary and board space constraints favor smaller package. |
| SPC560B50L5 | 32-bit Power Architecture MCU, 64 MHz, 512 KB flash, 48 KB RAM, CAN FD, but no integrated CAPSENSE™ or programmable analog. | Requires external touch controller and signal conditioning ICs; higher power (12 mA active) and larger footprint. | Choose for high-speed CAN FD gateways where PSoC™ programmability is secondary to raw throughput and legacy toolchain compatibility. |
Compared with CY8C4147AZI-S433 and SPC560B50L5, the CY8C4147LQS-S253T uniquely combines AEC-Q100 Grade-S qualification, on-die CAPSENSE™ with SmartSense™, TTCAN, and Deep Sleep analog retention - enabling single-chip touch+network solutions in constrained automotive interiors.
Availability
CY8C4147LQS-S253T is available at Aetrix Electronics and suitable for automotive body electronics, capacitive touch human-machine interfaces, and CAN-based domain controllers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY8C4147LQS-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, with global R&D and manufacturing infrastructure.
This part belongs to the PSoC™ 4100S Plus product line, designed specifically for automotive-grade capacitive sensing and mixed-signal control applications requiring AEC-Q100 compliance, low-power operation, and hardware-accelerated peripheral flexibility.
FAQ
Does CY8C4147LQS-S253T support CAN FD?
No. This device implements CAN 2.0B with optional time-triggered capability (TTCAN), not CAN FD. It supports up to 1 Mbps classical CAN with hardware message filtering, FIFO buffering, and TTCAN synchronization via external clock or WCO. CAN FD requires separate Infineon families such as the AURIX™ TC3xx series.
What development tools are officially supported?
Infineon officially supports ModusToolbox™ (v3.1+) and legacy PSoC™ Creator v4.4 for this device. ModusToolbox™ provides Eclipse-based IDE, Peripheral Driver Library (PDL), CAPSENSE™ middleware, and code examples targeting GCC and Arm® Keil MDK. PSoC™ Creator remains supported for schematic-based design entry and automatic routing.
Is the 12-bit SAR ADC capable of simultaneous sampling?
No. The SAR ADC has a single conversion core with a channel sequencer supporting up to 32 channels, but it performs conversions sequentially-not simultaneously. Differential mode, programmable gain (1×, 2×, 4×, 8×), and hardware averaging (2–64 samples) are supported to enhance effective resolution in noisy automotive environments.
How is CAPSENSE™ calibrated across temperature and voltage?
SmartSense™ performs automatic hardware calibration every 100 ms by measuring baseline capacitance drift and adjusting IDAC current and scan parameters in real time. Calibration data is stored in flash and persists across resets; no host firmware intervention is required, and performance remains stable from –40°C to +105°C and 1.71–5.5 V VDDIO.
CY8C4147LQS-S253T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 40-UFQFN Exposed Pad
- Series:
- PSOC™ 4 CY8C4100
- 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 ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
CY8C4147LQS-S253T FAQ
1.How can I place an order for CY8C4147LQS-S253T through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQS-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 CY8C4147LQS-S253T reliable?
The price and inventory of CY8C4147LQS-S253T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQS-S253T is usually 5 days.
3.What payment methods are accepted for CY8C4147LQS-S253T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQS-S253T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQS-S253T?
CY8C4147LQS-S253T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQS-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 CY8C4147LQS-S253T?
For technical support, including CY8C4147LQS-S253T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQS-S253T requirements.
6.How does Aetrix verify that CY8C4147LQS-S253T is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQS-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 CY8C4147LQS-S253T meets industry standards.
7.What is the process for return or replacement of CY8C4147LQS-S253T?
All CY8C4147LQS-S253T units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQS-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 CY8C4147LQS-S253T part is unused and in its original packaging.
Return procedure for CY8C4147LQS-S253T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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