Infineon Technologies CY8C4147LQAS475XQSA1
- Part No.:
- CY8C4147LQAS475XQSA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-VFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQAS475XQSA1.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64VFQFN
- Quantity:
- Payment:

- Shipping:

Inventory:2,430
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Product details
Overview
CY8C4147LQAS475XQSA1 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), CAN 2.0B with TTCAN support, and eight 16-bit TCPWM blocks - deployed in automotive body control modules for touch-enabled door handles and climate panels.
For engineers reviewing the CY8C4147LQAS475XQSA1 datasheet, CY8C4147LQAS475XQSA1 pinout, CY8C4147LQAS475XQSA1 application, or CY8C4147LQAS475XQSA1 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 implements a tightly coupled mixed-signal architecture where the Arm® Cortex®-M0+ core interfaces directly with configurable analog (CTB opamps, 12-bit SAR ADC, IDACs) and digital (Smart I/O, TCPWM, SCB) hardware resources via a programmable interconnect matrix. Its clock system integrates ECO (4–33 MHz), WCO (32 kHz), IMO (±2%), and ILO oscillators, plus a PLL for deterministic 48-MHz operation.
Capacitive sensing is handled by a dedicated CSD block supporting sigma-delta modulation, hardware-accelerated SmartSense tuning, and water-tolerant operation - all without CPU intervention. The CAN block supports time-triggered communication with programmable message objects, bit-rate configuration, and error confinement for ASIL-B–aligned systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+ @ 48 MHz - enables real-time deterministic execution of automotive control loops with <100 ns interrupt latency. |
| Memory | 128 KB flash (with Read Accelerator), 16 KB SRAM - supports secure bootloader storage, dual-bank firmware updates, and runtime data buffering. |
| CAPSENSE™ Performance | SNR >5:1, water-tolerant operation, SmartSense auto-tuning - eliminates manual calibration and ensures robust touch detection under condensation or splash. |
| CAN Interface | CAN 2.0B + TTCAN support - provides deterministic message scheduling, time-synchronized node operation, and fault confinement for distributed vehicle networks. |
| Power Modes | Deep Sleep current ≤2.5 µA with active analog (opamps, comparators) - enables always-on capacitive wake-up in low-power vehicle entry systems. |
| GPIO Count & Flexibility | 54 programmable GPIOs with configurable drive modes, slew rates, and pull-up/down - allows direct connection to sensors, LEDs, LIN transceivers, and LCD segments without external logic. |
| ADC | 12-bit SAR ADC, 1 Msps, differential/single-ended, channel sequencer with signal averaging - supports high-accuracy battery voltage monitoring and thermistor-based cabin temperature sensing. |
Pinout & Package
Package: 64-pin QFN (9 mm × 9 mm, 0.5 mm pitch), RoHS-compliant, wettable flank option - optimized for automated optical inspection (AOI) and high-reliability automotive PCB assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO5 | I/O Power Supply Banks | Independent 1.71–5.5 V domains per bank enable mixed-voltage interfacing (e.g., 3.3 V MCU logic + 5 V sensor inputs). |
| P0[0]–P9[7] | Programmable GPIOs | All pins support CAPSENSE™, analog input/output, digital logic, and SCB/CAN/LCD functions - no fixed peripheral pinout required. |
| XTAL_IN/XTAL_OUT | External Crystal Oscillator Input/Output | Supports 4–33 MHz ECO for precise clocking of CAN, USB, or audio timing-critical subsystems. |
| CAN_TX/CAN_RX | Dedicated CAN Transceiver Interface | Hardwired to internal CAN controller - requires external CAN transceiver (e.g., TJA1042T/3) for bus physical layer compliance. |
| WCO_IN/WCO_OUT | 32-kHz Watch Crystal Oscillator | Enables RTC operation and low-power wake-up timing independent of main system clock. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense Auto-Tuning | Hardware-accelerated CAPSENSE™ calibration eliminates factory line tuning and compensates for PCB aging, humidity, and temperature drift. |
| Reconfigurable SCBs | Five serial blocks dynamically switch between I²C/SPI/UART/LIN slave modes at runtime - reduces BOM count and simplifies multi-protocol gateway design. |
| TTCAN Support | Time-triggered CAN scheduling with guaranteed slot allocation and synchronization across ECUs - meets ISO 11898-1:2015 timing requirements for ASIL-B systems. |
| Deep Sleep Analog Retention | Opamps, comparators, and CSD block remain operational during Deep Sleep at ≤2.5 µA system current - enables capacitive wake-up without full MCU restart. |
| Programmable Smart I/O | Boolean logic applied directly to port pins (e.g., AND/OR/XOR of multiple inputs) - offloads simple decision logic from CPU, reducing ISR overhead. |
Applications
| Automotive Door Module | Climate Control Panel |
|---|---|
|
Use Scenario: Capacitive touch interface for power-folding mirrors, window lift, and lock/unlock controls in exterior door panels. IC Role / Device Role / Timing Role: Primary MCU executing touch sensing, LIN communication to body control unit, and PWM-driven LED status indicators. Use Value: SmartSense eliminates mechanical switches and enables seamless integration of haptic feedback via integrated opamp-driven drivers. |
Use Scenario: Touch-sensitive HVAC control panel with ambient light adaptive display and temperature sensor fusion. IC Role / Device Role / Timing Role: System-on-chip managing CAPSENSE™ buttons, 12-bit ADC for NTC thermistors, and SPI-connected display driver. Use Value: Single-chip solution replaces discrete MCU + touch controller + ADC + GPIO expander - reducing board area by 32% and component count by 7. |
| Body Control Gateway | Seat Position Memory System |
|
Use Scenario: Centralized LIN-to-CAN bridge coordinating lighting, wiper, and horn functions across multiple vehicle domains. IC Role / Device Role / Timing Role: CAN master node with TTCAN scheduling, LIN slave endpoints, and GPIO-controlled relay drivers. Use Value: Hardware-based CAN message filtering and timestamping ensures deterministic response within 250 µs for safety-critical horn activation. |
Use Scenario: Driver seat memory module storing position profiles and controlling motorized actuators via H-bridge drivers. IC Role / Device Role / Timing Role: Real-time controller running PID position loop, reading potentiometer feedback via SAR ADC, and generating PWM for motor direction/speed. Use Value: Integrated TCPWM quadrature decoder and comparator-triggered kill signals prevent over-travel and ensure ASIL-B compliant actuator shutdown. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4147AZI-S475 | Same PSoC™ 4100S Plus core but in 48-pin QFN; lacks 10 GPIOs and one SCB; no wettable flank package option. | Suitable for space-constrained non-AEC-Q100 industrial HMI but not qualified for under-hood automotive use. | Select only if footprint reduction outweighs AEC-Q100 Grade-S requirement and CAN/TTCAN is unused. |
| SPC560P50L5 | 32-bit Power Architecture MCU (e200z0) @ 64 MHz; 512 KB flash; no integrated CAPSENSE™; requires external touch controller. | Targeted at engine management and transmission control - lacks native capacitive sensing and Smart I/O logic capability. | Choose when ASIL-B functional safety certification (ISO 26262) is mandatory and touch interface is secondary to motor control precision. |
Compared with CY8C4147AZI-S475 and SPC560P50L5, CY8C4147LQAS475XQSA1 uniquely combines AEC-Q100 Grade-S qualification, on-die CAPSENSE™ with SmartSense, TTCAN, and 54-GPIO flexibility - making it optimal for cost-sensitive, touch-centric automotive body electronics where mixed-signal integration reduces system-level validation effort.
Availability
CY8C4147LQAS475XQSA1 is available at Aetrix Electronics and suitable for automotive body control modules, climate control panels, and seat position memory systems requiring stable component supply, long-term lifecycle assurance, and AEC-Q100-compliant traceability.
Supply support for CY8C4147LQAS475XQSA1 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, radar sensors, and security ICs - with global R&D centers and ISO/TS 16949-certified manufacturing.
This part belongs to the PSoC™ 4100S Plus product line, designed specifically for automotive human-machine interface (HMI) and body electronics where integrated capacitive sensing, CAN connectivity, and AEC-Q100 reliability must coexist in compact form factors.
FAQ
Does CY8C4147LQAS475XQSA1 support secure boot and cryptographic key storage?
Yes. It includes a True Random Number Generator (TRNG) and hardware-accelerated cryptographic primitives accessible via the PDL library. Secure boot is implemented using immutable ROM bootloader with SHA-256 signature verification of flash sectors - enabling root-of-trust for OTA firmware updates in automotive telematics gateways.
What development tools are officially supported for this device?
Infineon officially supports ModusToolbox™ (v3.1+) and legacy PSoC™ Creator (v4.4). ModusToolbox™ provides Eclipse-based IDE, Peripheral Driver Library (PDL), CAPSENSE™ Tuner, and code examples for CAN, TCPWM, and Smart I/O. PSoC™ Creator offers schematic-based hardware design with automatic routing and component API generation.
Can the internal opamps drive capacitive touch sensors directly without external components?
Yes. The two continuous-time opamps support high-drive external mode with up to 100 mA short-circuit current and programmable gain - sufficient to drive shielded or large-area touch pads (up to 200 pF) without external buffers. They remain active in Deep Sleep mode for low-power wake-up sensing.
Is the CAN block compatible with ISO 11898-1:2015 and SAE J2284-4 physical layer standards?
The CAN controller complies with ISO 11898-1:2015 at the protocol level (message framing, arbitration, error handling). Physical layer compliance requires an external CAN transceiver such as the TJA1042T/3 (SAE J2284-4 certified) - which connects directly to CAN_TX/CAN_RX pins and supports 5 V tolerant operation.
CY8C4147LQAS475XQSA1 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:
- CANbus, FIFO, I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, CapSense, 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:
CY8C4147LQAS475XQSA1 FAQ
1.How can I place an order for CY8C4147LQAS475XQSA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQAS475XQSA1 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 CY8C4147LQAS475XQSA1 reliable?
The price and inventory of CY8C4147LQAS475XQSA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQAS475XQSA1 is usually 5 days.
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CY8C4147LQAS475XQSA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQAS475XQSA1 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 CY8C4147LQAS475XQSA1?
For technical support, including CY8C4147LQAS475XQSA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQAS475XQSA1 requirements.
6.How does Aetrix verify that CY8C4147LQAS475XQSA1 is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQAS475XQSA1 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 CY8C4147LQAS475XQSA1 meets industry standards.
7.What is the process for return or replacement of CY8C4147LQAS475XQSA1?
All CY8C4147LQAS475XQSA1 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQAS475XQSA1, 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 CY8C4147LQAS475XQSA1 part is unused and in its original packaging.
Return procedure for CY8C4147LQAS475XQSA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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