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Infineon Technologies CY8C4147LQA-S253
- Part No.:
- CY8C4147LQA-S253
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQA-S253.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 40QFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,550
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Product details
Overview
CY8C4147LQA-S253 from Infineon is an AEC-Q100 Grade-S (–40°C to +105°C) automotive-qualified PSoC™ 4100S Plus programmable system-on-chip 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 (SCBs), eight TCPWM modules, a CAN 2.0B controller 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 CY8C4147LQA-S253 datasheet, CY8C4147LQA-S253 pinout, CY8C4147LQA-S253 application, or CY8C4147LQA-S253 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 GPIO flexibility across 54 pins with programmable drive strength and slew rate.
Technical Context
The device implements a tightly coupled mixed-signal architecture where the Arm® Cortex®-M0+ core executes firmware while programmable analog blocks (two opamps, 12-bit SAR ADC, dual IDACs) and digital logic (Smart I/O, TCPWM, SCBs) are configured at runtime via PSoC™ Creator or ModusToolbox™. All peripherals share a unified clock tree with PLL, IMO, ILO, WCO, and ECO sources.
Capacitive sensing uses sigma-delta (CSD) modulation with hardware-accelerated SmartSense tuning, enabling robust operation under moisture and EMI. The CAN block supports time-triggered communication with dedicated message RAM and error counters compliant with ISO 11898-1:2015.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz max - enables real-time deterministic control of motor, sensor, and communication tasks in automotive ECUs. |
| Flash / SRAM | 128 KB flash with Read Accelerator / 16 KB SRAM - supports complex firmware with CAPSENSE™ tuning algorithms and CAN protocol stacks without external memory. |
| CAPSENSE™ SNR | >5:1 signal-to-noise ratio - ensures reliable touch detection on wet or noisy automotive surfaces without firmware compensation. |
| CAN Interface | CAN 2.0B + TTCAN - provides synchronized, deterministic messaging for body control networks requiring time-triggered scheduling per AUTOSAR requirements. |
| Supply Range | 1.71 V to 5.5 V - allows direct connection to 3.3 V or 5 V automotive domains and compatibility with wide-input DC-DC regulators. |
| Deep Sleep Current | 2.5 µA digital system current - enables always-on touch wake-up functionality in low-power vehicle entry systems. |
| GPIO Count | 54 programmable pins - supports multiplexed functions including CAPSENSE™ electrodes, analog inputs, UART/I²C/SPI, and PWM outputs on same pin set. |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), thermally enhanced with exposed thermal pad (EPAD).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power domains | Four independent 1.71–5.5 V supply rails allow mixed-voltage interface (e.g., 5 V sensors + 3.3 V CAN transceiver) without level shifters. |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Programmable GPIO | Each pin supports CAPSENSE™ electrode, analog input, SCB function, or TCPWM output - no fixed peripheral assignment required. |
| CAN_TX / CAN_RX | Dedicated CAN physical layer I/O | Hardwired to internal CAN controller; require external 120 Ω termination and isolated transceiver for bus compliance. |
| XTAL_IN / XTAL_OUT | External crystal oscillator interface | Supports 4–33 MHz ECO for precise timing; essential for CAN bit timing accuracy and USB-free clock synchronization. |
| WCO_IN / WCO_OUT | 32.768 kHz watch crystal interface | Enables RTC operation and low-power wake-up events during Deep Sleep mode without CPU intervention. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense auto-tuning | Hardware-accelerated CAPSENSE™ calibration eliminates manual firmware tuning and maintains stable baseline tracking across temperature/humidity drift. |
| Reconfigurable SCBs | Five serial blocks dynamically switch between I²C master/slave, SPI master/slave, UART, or LIN slave - reduces BOM count by eliminating discrete protocol translators. |
| TTCAN support | Time-triggered CAN scheduling with guaranteed slot allocation enables deterministic communication for safety-critical body domain functions. |
| Deep Sleep with analog active | Opamps, comparators, and CSD block remain operational at 2.5 µA system current - enables capacitive wake-up without full MCU boot. |
| Programmable drive strength | Configurable 4–20 mA sink/source per GPIO - drives LEDs, relays, or resistive touch overlays directly without external drivers. |
Applications
| Automotive Door Handle Touch Interface | Body Control Module (BCM) Climate Panel |
|---|---|
Use Scenario: Capacitive touch detection on metal or coated plastic door handles in rain, snow, or condensation. IC Role / Device Role / Timing Role: Primary MCU and CAPSENSE™ controller; manages wake-up, authentication handshake, and CAN message transmission to central gateway. Use Value: SNR >5:1 and SmartSense ensure false-trigger rate <0.1% under IPX4 water exposure, meeting OEM touch reliability specs. | Use Scenario: Multi-zone HVAC control panel with slider, buttons, and ambient light sensing. IC Role / Device Role / Timing Role: System-on-chip handling touch UI, temperature sensor ADC, PWM fan control, and LIN slave communication to HVAC actuators. Use Value: Integrated 12-bit SAR ADC and TCPWM eliminate external signal conditioning and motor driver ICs, reducing PCB area by 35%. |
| Automotive Seat Position Memory | Electronic Parking Brake (EPB) Status Indicator |
Use Scenario: Non-contact position sensing and memory recall for driver seat adjustment using capacitive linear sliders. IC Role / Device Role / Timing Role: CAPSENSE™ CSD engine with hardware sequencer and DMA-accelerated data capture; stores profiles in flash. Use Value: 16-bit effective resolution from oversampled CSD output enables sub-millimeter slider position accuracy without potentiometers. | Use Scenario: Redundant status indicator for EPB engagement, powered from vehicle battery with fail-safe visual feedback. IC Role / Device Role / Timing Role: Safety-monitoring MCU with CAN receive watchdog, GPIO-driven LED driver, and Deep Sleep wake-on-CAN event. Use Value: 2.5 µA Deep Sleep current extends indicator runtime during vehicle sleep mode beyond 30 days without battery drain. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144W | ARM Cortex-M4F core, 112 MHz; no integrated CAPSENSE™; requires external touch controller | Better floating-point performance for motor control, but adds BOM cost and layout complexity for touch interfaces | Select when high-speed math or ASIL-B functional safety certification is primary requirement over integrated touch. |
| Renesas RL78/F14 | 16-bit RL78 core, 32 MHz; integrated touch I/O but no sigma-delta CSD; SNR ~3:1 | Limited touch robustness in wet conditions; lacks TTCAN and Deep Sleep analog retention | Select for cost-sensitive non-safety body nodes where basic proximity detection suffices and CAN timing determinism is not required. |
Compared with S32K144W and RL78/F14, CY8C4147LQA-S253 uniquely integrates high-SNR CAPSENSE™, TTCAN, and Deep Sleep analog operation in a single AEC-Q100 Grade-S package-reducing system-level component count and validation effort for touch-enabled automotive body electronics.
Availability
CY8C4147LQA-S253 is available at Aetrix Electronics and suitable for automotive body control modules, touch-enabled access systems, electronic parking brake indicators, and climate control panels requiring stable component supply and long-term lifecycle assurance.
Supply support for CY8C4147LQA-S253 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 R&D and manufacturing infrastructure.
CY8C4147LQA-S253 belongs to the PSoC™ 4100S Plus product line, engineered specifically for AEC-Q100-compliant automotive body electronics requiring integrated capacitive sensing, deterministic CAN communication, and ultra-low-power operation.
FAQ
Does CY8C4147LQA-S253 support AUTOSAR-compliant CAN stack?
Yes - the integrated CAN 2.0B controller with TTCAN capability meets ISO 11898-1:2015 timing requirements and supports AUTOSAR 4.3+ CAN Driver and CAN Interface modules when used with Infineon's PDL and ModusToolbox™ middleware. Hardware message RAM and error counters enable deterministic interrupt latency under AUTOSAR OS scheduling.
What development tools are officially supported for CY8C4147LQA-S253?
Infineon officially supports PSoC™ Creator (legacy Windows IDE) and ModusToolbox™ (cross-platform). Both provide full peripheral configuration, CAPSENSE™ tuning GUI, CAN register setup, and debug via MiniProg3 or KitProg3. ModusToolbox™ includes BSPs for CY8CKIT-149 and CY8CKIT-041-41XX evaluation boards.
Can the on-chip opamps be used for sensor signal conditioning in automotive temperature monitoring?
Yes - the two continuous-time opamps support rail-to-rail input/output, operate down to 1.71 V, and retain functionality in Deep Sleep mode. They are qualified for –40°C to +105°C operation and can buffer thermistor or RTD signals directly into the 12-bit SAR ADC with programmable gain and filtering via configurable analog routing.
Is external flash required for firmware updates over CAN?
No - the 128 KB on-chip flash supports dual-bank operation and bootloader execution from ROM. Infineon's PSoC™ Bootloader Component enables secure, field-upgradable firmware via CAN using CRC-verified packet transfer and rollback protection - no external memory needed for standard OTA update workflows.
CY8C4147LQA-S253 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 40-UFQFN Exposed Pad
- Series:
- PSOC™ 4 CY8C4100S Plus
- Packaging:
- Tray
- 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 ~ 85°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
CY8C4147LQA-S253 FAQ
1.How can I place an order for CY8C4147LQA-S253 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQA-S253 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 CY8C4147LQA-S253 reliable?
The price and inventory of CY8C4147LQA-S253 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQA-S253 is usually 5 days.
3.What payment methods are accepted for CY8C4147LQA-S253?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQA-S253 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQA-S253?
CY8C4147LQA-S253 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQA-S253 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 CY8C4147LQA-S253?
For technical support, including CY8C4147LQA-S253 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQA-S253 requirements.
6.How does Aetrix verify that CY8C4147LQA-S253 is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQA-S253 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 CY8C4147LQA-S253 meets industry standards.
7.What is the process for return or replacement of CY8C4147LQA-S253?
All CY8C4147LQA-S253 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQA-S253, 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 CY8C4147LQA-S253 part is unused and in its original packaging.
Return procedure for CY8C4147LQA-S253:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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