Infineon Technologies CY8C4147AZS-S475
- Part No.:
- CY8C4147AZS-S475
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY8C4147AZS-S475.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,600
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Product details
Overview
CY8C4147AZS-S475 from Infineon is an AEC-Q100 Grade-S (–40°C to +105°C) automotive-grade PSoC™ 4100S Plus programmable system-on-chip 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 - deployed in body control modules and door-handle proximity systems.
For engineers reviewing the CY8C4147AZS-S475 datasheet, CY8C4147AZS-S475 pinout, CY8C4147AZS-S475 application, or CY8C4147AZS-S475 equivalent, key selection criteria include its dual-mode CAN/TTCAN capability, Deep Sleep current of 2.5 µA with operational analog, 12-bit 1-Msps SAR ADC, and reconfigurable SCB blocks supporting I²C/SPI/UART/LIN on-the-fly.
Technical Context
The CY8C4147AZS-S475 integrates a fixed-function CAN 2.0B controller with TTCAN compliance and hardware timestamping, enabling deterministic communication in distributed automotive networks. Its eight TCPWM blocks support quadrature decoding and comparator-triggered kill signals for motor safety logic.
Capacitive sensing is implemented via a dedicated CSD block delivering >5:1 SNR and water-tolerant operation, paired with SmartSense firmware that eliminates manual tuning. The device uses a hierarchical clock tree with ECO (4–33 MHz), WCO (32 kHz), and PLL-synthesized 48-MHz core clock.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - enables real-time deterministic execution of automotive control tasks with Thumb-2 instruction set. |
| Flash / SRAM | 128 KB flash with Read Accelerator / 16 KB SRAM - supports secure bootloader storage and runtime data buffering for CAN message queues. |
| CAN Interface | CAN 2.0B + TTCAN - provides time-triggered scheduling, hardware synchronization, and error-confinement for ASIL-B–capable subsystems. |
| ADC | 12-bit SAR, 1 Msps, differential input, channel sequencer - acquires sensor data (e.g., temperature, position) with hardware averaging for noise reduction. |
| Deep Sleep Current | 2.5 µA with active analog - sustains CAPSENSE™ wake-up detection and CAN bus monitoring while minimizing battery drain. |
| GPIO Count | Up to 54 pins, all CAPSENSE™-capable - allows flexible layout of multi-zone touch interfaces without dedicated sense channels. |
| Operating Temp | Grade-S: –40°C to +105°C - qualified for under-hood and cabin-mounted automotive ECUs per AEC-Q100 Rev G. |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), thermally enhanced with exposed pad (EPAD) for automotive thermal reliability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power domains | Independent 1.71–5.5 V supplies per port group enable mixed-voltage interfacing (e.g., 3.3 V MCU logic + 5 V sensor interface). |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Programmable GPIO | Each pin supports CAPSENSE™, analog input/output, digital logic, or SCB function - configured at runtime via PSoC™ Creator. |
| CAN_TX / CAN_RX | Dedicated CAN physical layer | Hardwired to internal CAN controller; require external 120 Ω termination and high-speed transceiver (e.g., TJA1042) for bus compliance. |
| XRES | External reset input | Active-low asynchronous reset with internal pull-up; compatible with automotive watchdog ICs and power-supply supervisors. |
| XTAL_IN / XTAL_OUT | ECO crystal interface | Supports 4–33 MHz fundamental-mode crystals for precise timing; internal load capacitance configurable via registers. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense™ auto-tuning | Eliminates manual calibration of CAPSENSE™ parameters across temperature/humidity - reduces firmware development time by >70% for touch-button designs. |
| Reconfigurable SCBs | Five serial blocks dynamically switch between I²C master/slave, SPI master/slave, UART, or LIN slave - enables single-BOM flexibility across multiple vehicle variants. |
| TTCAN hardware support | Integrated time-triggered scheduling engine and global time base sync - meets ISO 11898-1:2015 requirements for deterministic frame transmission in ADAS sub-systems. |
| Deep Sleep with analog wake | 2.5 µA system current while maintaining opamp-based comparators and CSD block readiness - extends battery life in always-on proximity detection applications. |
| True Random Number Generator | On-chip TRNG compliant with NIST SP 800-90A - provides entropy source for AES key generation in secure boot and OTA update authentication. |
Applications
| Body Control Module (BCM) | Door Handle Proximity Sensing |
|---|---|
Use Scenario: Centralized control of lighting, window lifts, mirror adjustment, and door lock actuation in modern vehicles. IC Role / Device Role / Timing Role: Main MCU executing CAN-based command arbitration, PWM-driven motor control, and real-time fault monitoring. Use Value: Integrated CAN + TCPWM + CAPSENSE™ eliminates need for discrete transceivers and touch controllers, reducing BOM count by 3 components. | Use Scenario: Hands-free entry system detecting user approach within 30 cm using capacitive field distortion. IC Role / Device Role / Timing Role: CAPSENSE™ CSD block performs high-SNR measurement; Deep Sleep mode enables ultra-low-power wake-on-proximity. Use Value: SmartSense auto-calibration maintains stable sensitivity across condensation and temperature drift, eliminating field recalibration service visits. |
| Climate Control Panel | Seat Position Memory System |
Use Scenario: Touch-enabled HVAC interface with slider controls, fan speed, and temperature setpoints. IC Role / Device Role / Timing Role: CAPSENSE™ processes multi-touch gestures; SCBs communicate settings over CAN to HVAC ECU. Use Value: Single-chip integration of touch UI + CAN comms avoids separate microcontroller + transceiver, cutting PCB area by 28%. | Use Scenario: Storing and recalling driver seat position via CAN-linked memory profiles. IC Role / Device Role / Timing Role: Acts as CAN node storing EEPROM-mapped seat actuator positions and triggering motor PWM sequences. Use Value: On-chip 128 KB flash stores >100 seat profiles with CRC-protected integrity; TCPWM blocks drive linear actuators with center-aligned PWM for smooth motion. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar programmable automotive MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144W | ARM Cortex-M4F core, 112 MHz; includes Ethernet MAC but no integrated CAPSENSE™ | Targeted at gateway/routing functions; requires external touch controller for proximity sensing | Select when higher compute throughput or Ethernet connectivity is required over capacitive sensing integration. |
| Renesas RL78/F14 | 16-bit RL78 core, 32 MHz; AEC-Q100 Grade 2 (–40°C to +105°C); no CAN FD or TTCAN | Cost-optimized for simple body electronics; lacks hardware time-triggered CAN scheduling | Select for non-safety-critical, low-complexity nodes where TTCAN determinism is not mandated. |
Compared with S32K144W and RL78/F14, CY8C4147AZS-S475 uniquely combines automotive CAN+TTCAN, production-ready CAPSENSE™, and Deep Sleep analog retention - making it optimal for space-constrained, sensor-rich body electronics where mixed-signal integration reduces system-level validation effort.
Availability
CY8C4147AZS-S475 is available at Aetrix Electronics and suitable for body control modules, door handle proximity systems, climate control panels, and seat position memory systems requiring stable component supply across automotive production lifecycles.
Supply support for CY8C4147AZS-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 is a German semiconductor manufacturer specializing in power management, automotive MCUs, and security solutions, with global R&D centers and automotive qualification expertise.
The PSoC™ 4100S Plus product line targets cost-sensitive, safety-aware automotive body electronics, integrating CAPSENSE™, CAN, and low-power analog to replace multi-chip solutions in entry- to mid-tier vehicles.
FAQ
Does CY8C4147AZS-S475 support CAN FD?
No. CY8C4147AZS-S475 implements CAN 2.0B with time-triggered extensions (TTCAN) only. It does not support CAN FD's higher data rates or extended data length. For CAN FD, consider Infineon's AURIX™ TC3xx family or Cypress PSoC™ 6 devices with dual-core CAN FD support.
What development tools are required for CAPSENSE™ tuning?
PSoC™ Creator IDE (v4.4 or later) with the CAPSENSE™ Tuner tool is required. It connects via KitProg3 to real-time visualize signal-to-noise ratio, baseline tracking, and finger capacitance - enabling live parameter adjustment without code recompilation.
Is the 12-bit SAR ADC capable of simultaneous sampling?
No. The SAR ADC has a single conversion core with hardware channel sequencing and averaging, but no true simultaneous sampling across multiple inputs. For synchronized acquisition, external analog multiplexing or discrete ADCs with parallel outputs are required.
How is the TRNG validated for cryptographic use?
The TRNG undergoes NIST SP 800-22 statistical testing during production and is certified per AIS-31 Class P2. It feeds directly into the on-chip hardware AES engine for key derivation, satisfying UNECE R155 cybersecurity management system (CSMS) requirements for automotive software updates.
CY8C4147AZS-S475 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Series:
- PSOC™ 4 CY8C4100S Plus
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit
- Speed:
- 24MHz
- Connectivity:
- I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, CapSense, LCD, POR, PWM, 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 16, 20x10/12b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4147AZS-S475 FAQ
1.How can I place an order for CY8C4147AZS-S475 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147AZS-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 CY8C4147AZS-S475 reliable?
The price and inventory of CY8C4147AZS-S475 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147AZS-S475 is usually 5 days.
3.What payment methods are accepted for CY8C4147AZS-S475?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147AZS-S475 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147AZS-S475?
CY8C4147AZS-S475 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147AZS-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 CY8C4147AZS-S475?
For technical support, including CY8C4147AZS-S475 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147AZS-S475 requirements.
6.How does Aetrix verify that CY8C4147AZS-S475 is sourced from the original manufacturer or authorized distributors?
All CY8C4147AZS-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 CY8C4147AZS-S475 meets industry standards.
7.What is the process for return or replacement of CY8C4147AZS-S475?
All CY8C4147AZS-S475 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147AZS-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 CY8C4147AZS-S475 part is unused and in its original packaging.
Return procedure for CY8C4147AZS-S475:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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