Infineon Technologies CY8C4147LQS-S475
- Part No.:
- CY8C4147LQS-S475
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-VFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQS-S475.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64VFQFN
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
CY8C4147LQS-S475 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 (SCBs), eight TCPWM modules, a CAN 2.0B controller with TTCAN support, and programmable analog blocks - deployed in automotive body electronics, touch-enabled control panels, and motor control interfaces.
For engineers reviewing the CY8C4147LQS-S475 datasheet, CY8C4147LQS-S475 pinout, CY8C4147LQS-S475 application, or CY8C4147LQS-S475 equivalent, key selection criteria include AEC-Q100 Grade-S qualification, on-chip CAPSENSE™ SNR >5:1, CAN 2.0B + TTCAN timing compliance, Deep Sleep current ≤2.5 µA, and GPIO flexibility across 54 pins with configurable 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 digital logic (Smart I/O) and analog blocks (CTB opamps, SAR ADC, IDACs, LPCs) operate concurrently under hardware routing control. Its clock system integrates ECO (4–33 MHz), PLL (48 MHz), WCO (32 kHz), IMO (±2%), and ILO for deterministic low-power timing.
The CAN block supports time-triggered operation with dedicated message RAM, timestamping, and error counters; the TCPWM subsystem enables quadrature decoding, kill-signal triggering via comparator inputs, and center-aligned PWM for motor phase control - all synchronized to the same clock domain as the CPU and DMA engine.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz max - delivers deterministic real-time control with Thumb-2 instruction set and NVIC interrupt handling. |
| Memory | 128 KB flash (with Read Accelerator), 16 KB SRAM - supports secure boot, firmware updates, and real-time data buffering without external memory. |
| Capacitive Sensing | CAPSENSE™ CSD with SNR >5:1 and SmartSense auto-tuning - enables robust touch buttons/sliders through glass or plastic with water tolerance. |
| CAN Interface | CAN 2.0B + TTCAN support - provides deterministic message scheduling, synchronization to global time base, and fault confinement for ASIL-B systems. |
| Low-Power Modes | Deep Sleep mode draws 2.5 µA digital current while maintaining opamp/ADC/LPC operation - enables always-on sensing with wake-on-event capability. |
| GPIO Flexibility | 54 programmable pins with configurable drive modes, slew rates, and analog/digital/CAPSENSE™ assignment - eliminates board-level signal routing constraints. |
| Serial Peripherals | 5 SCBs supporting I²C/SPI/UART/LIN slave - allows concurrent multi-protocol communication without resource contention. |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, wettable flank option available.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0[0]–P0[7] | General-purpose I/O with CAPSENSE™/analog/digital capability | Supports simultaneous touch sensing, ADC input, and digital output - no fixed-function pin allocation required. |
| P1[0]–P1[7] | GPIO with high-drive capability and configurable slew | Drives LEDs, relays, or MOSFET gates directly; slew rate control minimizes EMI in noisy automotive environments. |
| P12[0]–P12[7] | Dedicated CAN TX/RX and SCB interface pins | Hardware-routed CAN differential pair (CAN_TX, CAN_RX) and SCB0–SCB4 signal groups - ensure timing-critical signal integrity. |
| VDDA/VSSA | Analog power supply and ground | Isolated analog domain powers opamps, ADC, and IDACs - prevents digital noise coupling into precision sensing paths. |
| XRES | External reset input | Active-low asynchronous reset with internal pull-up - enables fail-safe system recovery triggered by external watchdog or safety monitor. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable Analog Blocks | Two CTB opamps operate in Deep Sleep with ADC input buffering - enable continuous sensor signal conditioning without waking CPU. |
| Capacitive Sensing Engine | CSD block achieves >5:1 SNR and automatic SmartSense tuning - reduces firmware development time for touch UI certification (IEC 61000-4-6, ISO 11452-4). |
| Time-Triggered CAN | TTCAN support with global time base and schedule tables - meets ASIL-B timing requirements for distributed chassis control networks. |
| Flexible Clock System | Integrated PLL, ECO, WCO, IMO, and ILO - allows precise clock tree configuration for mixed-signal synchronization and low-jitter PWM generation. |
| Hardware-Based Security | True Random Number Generator (TRNG) with NIST SP 800-90B compliance - enables secure key derivation for TLS handshake and firmware authentication. |
Applications
| Automotive Door Control Module | Touch-Based HVAC Panel |
|---|---|
Use Scenario: Centralized control of window lift, mirror fold, and lock actuation with proximity detection. IC Role / Device Role / Timing Role: MCU host managing LIN slave nodes, executing CAPSENSE™ proximity sensing, and generating PWM for motor drivers. Use Value: Single-chip integration replaces discrete MCU + touch controller + LIN transceiver - reduces BOM count and PCB area by 32%. | Use Scenario: Climate control interface with swipe-sensitive sliders and backlight dimming under varying ambient light. IC Role / Device Role / Timing Role: CAPSENSE™ CSD engine with SmartSense, SAR ADC for ambient light sensing, and PWM for LED backlight control. Use Value: SNR >5:1 ensures reliable touch operation during rain or condensation; Deep Sleep current <2.5 µA extends battery backup runtime. |
| Electric Power Steering (EPS) Assist Monitor | Body Control Module (BCM) Subsystem |
Use Scenario: Real-time monitoring of torque sensor signals, motor phase currents, and CAN bus health in EPS assist path. IC Role / Device Role / Timing Role: Safety-monitoring co-processor interfacing with main EPS MCU via CAN, performing independent ADC sampling and fault logging. Use Value: TTCAN timestamping enables cross-node correlation of torque, current, and error events within ±1 µs - critical for ISO 26262 ASIL-B diagnostics. | Use Scenario: Secondary control node managing interior lighting, seat position memory, and door status reporting. IC Role / Device Role / Timing Role: Low-power subsystem running in Deep Sleep between wake events (key fob RF, door handle touch), using IDACs for current-source sensor biasing. Use Value: 2.5 µA Deep Sleep current with active analog blocks allows >10-year battery life in keyless entry backup power mode. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144HAT0MLHT | ARM Cortex-M4F core, 112 MHz; includes HSE crypto accelerator; no integrated CAPSENSE™ | Requires external touch controller for capacitive UI; stronger floating-point performance for motor FOC algorithms | Select when advanced motor control math or cryptographic acceleration outweighs integrated touch capability |
| Renesas RL78/F14 | 16-bit RL78 core, 32 MHz; AEC-Q100 Grade-2 (–40°C to +105°C); no CAN FD or TTCAN | Limited to basic CAN 2.0A/B; lacks sigma-delta CAPSENSE™; lower cost for non-touch body modules | Select for cost-sensitive, non-time-triggered CAN applications where touch is not required |
Compared with S32K144HAT0MLHT and RL78/F14, CY8C4147LQS-S475 uniquely combines AEC-Q100 Grade-S qualification, hardware-accelerated CAPSENSE™, TTCAN, and sub-3 µA Deep Sleep with active analog - making it optimal for touch-integrated automotive subsystems requiring deterministic timing and ultra-low standby power.
Availability
CY8C4147LQS-S475 is available at Aetrix Electronics and suitable for automotive door modules, touch-based HVAC panels, electric power steering monitors, and body control module subsystems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY8C4147LQS-S475 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 leadership in AEC-Q100-qualified embedded solutions.
CY8C4147LQS-S475 belongs to the PSoC™ 4100S Plus product line, designed specifically for automotive body electronics requiring integrated capacitive sensing, deterministic CAN communication, and ultra-low-power operation across –40°C to +105°C.
FAQ
Does CY8C4147LQS-S475 support CAN FD?
No. CY8C4147LQS-S475 implements CAN 2.0B with optional time-triggered extensions (TTCAN), but does not support CAN FD data rates or flexible data-length frames. Its CAN controller complies with ISO 11898-1:2015 for classic CAN only, with message objects, FIFOs, and hardware timestamping aligned to AEC-Q100 Grade-S timing requirements.
What development tools are officially supported for this device?
Infineon officially supports ModusToolbox™ (v3.1+) and PSoC™ Creator (v4.4) for CY8C4147LQS-S475. ModusToolbox™ provides Eclipse-based IDE, Peripheral Driver Library (PDL), CAPSENSE™ middleware, and BSPs for CY8CKIT-149 and CY8CKIT-041-41XX kits. PSoC™ Creator offers schematic-driven design with automatic analog/digital routing and component-based API generation.
Is the TRNG NIST-certified for cryptographic use?
Yes. The on-chip True Random Number Generator meets NIST SP 800-90B entropy source requirements and is validated for use in cryptographic key generation, secure boot, and TLS session establishment. It outputs entropy at up to 10 Mbps and is accessible via the PDL's Cy_Crypto_Trng_Generate() API with hardware post-processing.
How many CAPSENSE™ buttons can be implemented simultaneously?
Up to 64 capacitive sensing buttons, sliders, or proximity sensors can be implemented using the CSD block, depending on scan time budget and electrode layout. With SmartSense auto-tuning and baseline tracking, typical scan time per button is 20–50 µs at 1-MHz modulation frequency - enabling full panel scanning in <3.2 ms for 64 elements at 300 Hz refresh rate.
CY8C4147LQS-S475 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:
- I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, CapSense, LCD, POR, PWM, 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, 16x12b 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-S475 FAQ
1.How can I place an order for CY8C4147LQS-S475 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQS-S475 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-S475 reliable?
The price and inventory of CY8C4147LQS-S475 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQS-S475 is usually 5 days.
3.What payment methods are accepted for CY8C4147LQS-S475?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQS-S475 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQS-S475?
CY8C4147LQS-S475 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQS-S475 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-S475?
For technical support, including CY8C4147LQS-S475 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQS-S475 requirements.
6.How does Aetrix verify that CY8C4147LQS-S475 is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQS-S475 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-S475 meets industry standards.
7.What is the process for return or replacement of CY8C4147LQS-S475?
All CY8C4147LQS-S475 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQS-S475, 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-S475 part is unused and in its original packaging.
Return procedure for CY8C4147LQS-S475:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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