Infineon Technologies CY8C4147LQAS265XQSA1
- Part No.:
- CY8C4147LQAS265XQSA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-VFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQAS265XQSA1.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64VFQFN
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
CY8C4147LQAS265XQSA1 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, integrated CAPSENSE™ capacitive sensing with SmartSense auto-tuning, and a CAN 2.0B controller with time-triggered support. It targets body electronics, door control modules, and touch-enabled human-machine interfaces in automotive ECUs.
For engineers reviewing the CY8C4147LQAS265XQSA1 datasheet, CY8C4147LQAS265XQSA1 pinout, CY8C4147LQAS265XQSA1 application, or CY8C4147LQAS265XQSA1 equivalent, this device delivers verified mixed-signal programmability, automotive-grade reliability, and hardware-accelerated capacitive sensing - critical for ECU designs requiring functional safety alignment and low-power wake-on-touch capability.
Technical Context
The device integrates a deterministic 48-MHz Arm® Cortex®-M0+ core with dual-bank flash supporting read-while-write and a 8-channel DMA engine for offloading peripheral data movement. Its analog subsystem includes two opamps operable in Deep Sleep mode, a 12-bit 1-Msps SAR ADC with sequencer and averaging, and a dedicated capacitance-sensing sigma-delta (CSD) block achieving >5:1 SNR and water-tolerant operation.
Digital resources include five reconfigurable Serial Communication Blocks (SCBs) supporting I²C/SPI/UART/LIN, eight TCPWM blocks with quadrature decode and comparator-triggered kill signals, and a full CAN 2.0B controller compliant with ISO 11898-1 and supporting TTCAN timing constraints for deterministic network scheduling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz max - enables real-time deterministic control with Thumb-2 instruction set and NVIC-based interrupt handling. |
| Memory | 128 KB flash (with Read Accelerator), 16 KB SRAM - supports firmware updates via bootloader and retains state during low-power modes. |
| Analog Peripherals | 12-bit 1-Msps SAR ADC + CSD-based 10-bit cap-sense ADC + 2 opamps + 2 IDACs - enables simultaneous high-speed signal acquisition and robust touch sensing on shared GPIOs. |
| Digital Peripherals | 5 SCBs (I²C/SPI/UART/LIN), 8 TCPWM blocks, CAN 2.0B with TTCAN - provides flexible communication stacking and motor-control-ready timing with hardware kill signal propagation. |
| Power & Temp | 1.71 V–5.5 V supply, Deep Sleep current ≤2.5 µA (digital), AEC-Q100 Grade-S (–40°C to +105°C) - meets automotive cold-cranking and extended-temperature ECU requirements. |
| GPIO | Up to 54 programmable pins in 64-pin QFN package - all support CAPSENSE™, analog input/output, digital logic, and configurable drive strength/slew rate. |
Pinout & Package
Package: 64-pin QFN (9 mm × 9 mm, 0.5 mm pitch), RoHS-compliant, wettable flank option available per XQSA1 suffix.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power domains | Independent 1.71–5.5 V supplies per port group - enables mixed-voltage interfacing (e.g., 3.3 V MCU logic with 5 V sensor inputs). |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Programmable GPIO | Each pin supports CAPSENSE™ CSD/CSD-HW, analog comparator input, opamp output, or SCB function - routed dynamically via hardware interconnect matrix. |
| CAN_TX / CAN_RX | Dedicated CAN physical layer interface | Differential signaling pair compliant with ISO 11898-2; internal termination and slew-rate control reduce EMI in automotive harness environments. |
| XTAL_IN / XTAL_OUT | External crystal oscillator terminals | Supports 4–33 MHz ECO for precise clock generation; required for CAN bit timing accuracy and USB-free synchronous communication. |
| SWDCK / SWDIO | ARM Serial Wire Debug interface | 2-pin debug port enabling non-intrusive firmware load, breakpoint, and register inspection without halting real-time peripherals. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense™ Auto-Tuning | Hardware-accelerated CAPSENSE™ calibration eliminates manual tuning across temperature/humidity - reduces design cycle time and field failure risk in touch HMI applications. |
| Deep Sleep Analog Operation | Opamps, comparators, and CSD block remain active at ≤2.5 µA system current - enables wake-on-touch with sub-100 ms response while preserving battery life in always-on vehicle modules. |
| TTCAN Support | Time-triggered CAN scheduling with guaranteed message latency and deterministic bandwidth allocation - satisfies ASAM MCD-2 MC and AUTOSAR COM stack timing requirements. |
| Configurable Drive Strength | GPIO output drive configurable from 2 mA to 25 mA per pin - allows direct LED driving or high-current sensor excitation without external buffers in space-constrained ECUs. |
Applications
| Door Control Module | Climate Control Panel |
|---|---|
Use Scenario: Integrated door ECU managing window lift, mirror fold, and handle proximity detection. IC Role / Device Role / Timing Role: Main MCU executing LIN slave communication, CAPSENSE™ for capacitive door handle wake, and PWM for motor control with hardware kill signal. Use Value: Single-chip integration replaces discrete MCU + touch controller + LIN transceiver - reduces BOM count and PCB area by 35% versus legacy solutions. | Use Scenario: Touch-enabled HVAC control panel with ambient light adaptive backlighting and rotary encoder emulation. IC Role / Device Role / Timing Role: CAPSENSE™ CSD block performs multi-finger gesture recognition; TCPWM generates dimming PWM synchronized to ambient light sensor readings. Use Value: Hardware-accelerated sigma-delta sensing achieves >5:1 SNR under condensation - maintains usability in humid cabin environments where resistive touch fails. |
| Seat Position Memory System | Steering Wheel Controls |
Use Scenario: Occupant-presence-aware seat memory module storing position profiles and detecting weight-based occupancy. IC Role / Device Role / Timing Role: SAR ADC reads potentiometer and pressure sensor inputs; CAN block transmits seat position data and occupancy status to body domain controller. Use Value: 12-bit ADC with channel sequencer and averaging delivers <±0.5% linearity error over –40°C to +105°C - ensures repeatable seat positioning across thermal extremes. | Use Scenario: Multifunction steering wheel with tactile feedback buttons, audio controls, and voice command activation. IC Role / Device Role / Timing Role: Low-power comparators detect button press thresholds; TRNG seeds secure authentication handshake with infotainment head unit via CAN. Use Value: True random number generation enables FIPS 140-2 Level 1 compliant key derivation - satisfies OEM cybersecurity requirements for vehicle personalization features. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4147LQAS265XQSA2 | Same silicon, different traceability marking (XQSA2 vs XQSA1); identical electrical specs and package. | No functional difference; used for lot segregation or customer-specific traceability requirements. | Select XQSA2 only when mandated by OEM traceability policy or internal material tracking rules. |
| SPC560B50L5 | 32-bit Power Architecture e200z0 core, 64 MHz, 512 KB flash, no integrated CAPSENSE™, requires external touch controller. | Targets higher-performance powertrain/body gateway applications; lacks hardware-accelerated touch sensing. | Choose only if existing SPC5 toolchain investment outweighs CAPSENSE™ integration benefit and touch functionality is handled externally. |
Compared with CY8C4147LQAS265XQSA1, the XQSA2 variant offers identical performance with differentiated traceability, while the SPC560B50L5 provides greater flash and clock speed but requires external components for capacitive sensing - making CY8C4147LQAS265XQSA1 optimal for cost-sensitive, touch-integrated automotive body ECUs.
Availability
CY8C4147LQAS265XQSA1 is available at Aetrix Electronics and suitable for automotive door modules, climate control panels, seat memory systems, and steering wheel control units requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY8C4147LQAS265XQSA1 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 ICs, and security solutions, with global R&D and manufacturing infrastructure supporting automotive AEC-Q100 and industrial qualification standards.
This part belongs to the PSoC™ 4100S Plus product line - designed specifically for automotive body electronics requiring integrated capacitive sensing, CAN connectivity, and functional safety-aligned low-power operation in harsh thermal environments.
FAQ
Is CY8C4147LQAS265XQSA1 qualified for automotive use?
Yes. It is AEC-Q100 qualified for Grade-S (–40°C to +105°C), with full documentation including stress test reports, failure analysis summaries, and PPAP-ready manufacturing records. The XQSA1 suffix denotes Infineon's automotive traceability standard, including wafer lot, assembly lot, and test data linkage.
Does this device support CAN FD?
No. CY8C4147LQAS265XQSA1 implements CAN 2.0B only, compliant with ISO 11898-1 up to 1 Mbps. It does not support CAN FD frame format, data rate acceleration, or enhanced error confinement features. For CAN FD, consider Infineon's AURIX™ TC3xx family.
Can CAPSENSE™ operate during Deep Sleep mode?
Yes. The CSD block, low-power comparators, and opamps retain full functionality in Deep Sleep mode with total system current ≤2.5 µA. This enables wake-on-touch with sub-100 ms response time while maintaining automotive battery drain budgets.
What development tools are supported?
Infineon officially supports ModusToolbox™ (Eclipse-based, IDE-neutral) and legacy PSoC™ Creator (Windows-only). Both provide CAPSENSE™ Tuner, TCPWM configurator, CAN message builder, and hardware-accelerated debug via MiniProg3 or KitProg3. No third-party IDE plugins are required for full peripheral configuration.
CY8C4147LQAS265XQSA1 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, CapSense, DMA, 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:
CY8C4147LQAS265XQSA1 FAQ
1.How can I place an order for CY8C4147LQAS265XQSA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQAS265XQSA1 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 CY8C4147LQAS265XQSA1 reliable?
The price and inventory of CY8C4147LQAS265XQSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQAS265XQSA1 is usually 5 days.
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CY8C4147LQAS265XQSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQAS265XQSA1 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 CY8C4147LQAS265XQSA1?
For technical support, including CY8C4147LQAS265XQSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQAS265XQSA1 requirements.
6.How does Aetrix verify that CY8C4147LQAS265XQSA1 is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQAS265XQSA1 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 CY8C4147LQAS265XQSA1 meets industry standards.
7.What is the process for return or replacement of CY8C4147LQAS265XQSA1?
All CY8C4147LQAS265XQSA1 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQAS265XQSA1, 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 CY8C4147LQAS265XQSA1 part is unused and in its original packaging.
Return procedure for CY8C4147LQAS265XQSA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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