Infineon Technologies CY8C4147AZE-S475T
- Part No.:
- CY8C4147AZE-S475T
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY8C4147AZE-S475T.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64TQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
CY8C4147AZE-S475T from Infineon is an AEC-Q100 Grade-S (–40°C to +105°C) automotive-grade 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 a CAN 2.0B block with time-triggered CAN (TTCAN) support, five reconfigurable serial communication blocks (SCBs), and eight 16-bit TCPWM units - deployed in automotive body control modules requiring robust touch HMI and motor timing.
For engineers reviewing the CY8C4147AZE-S475T datasheet, CY8C4147AZE-S475T pinout, CY8C4147AZE-S475T application, or CY8C4147AZE-S475T equivalent, this device delivers verified mixed-signal programmability, automotive-grade reliability, and hardware-accelerated capacitive sensing - critical for ECU designs needing concurrent analog measurement, digital control, and CAN network integration.
Technical Context
The CY8C4147AZE-S475T implements a tightly coupled MCU subsystem where the Arm® Cortex®-M0+ core executes firmware while programmable analog blocks (two opamps, 12-bit 1-Msps SAR ADC, two IDACs) and digital resources (TCPWM, SCBs, CAN) operate independently under system-level clocking from multiple sources: 4–33 MHz ECO, 32-kHz WCO, ±2% IMO, and 32-kHz ILO. Its Deep Sleep mode sustains analog operation at 2.5 µA digital current.
Capacitive sensing uses a dedicated CSD block delivering >5:1 SNR and water tolerance, with automatic hardware tuning via SmartSense; the CAN block supports TTCAN for deterministic message scheduling in safety-critical vehicle networks, and GPIOs are fully reconfigurable across analog/digital/CAPSENSE™ functions with programmable drive strength and slew rate.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - enables real-time deterministic execution of automotive control loops and sensor fusion algorithms. |
| Memory | 128 KB flash (with Read Accelerator), 16 KB SRAM - supports secure bootloader storage, OTA update partitions, and runtime data buffering. |
| ADC | 12-bit SAR, 1 Msps, differential/single-ended, channel sequencer with signal averaging - captures high-fidelity battery voltage, temperature, and current sense signals. |
| CAN Interface | CAN 2.0B with TTCAN support - provides time-triggered message transmission for synchronized actuator control in chassis or lighting ECUs. |
| Capacitive Sensing | CAPSENSE™ CSD block with >5:1 SNR and SmartSense auto-tuning - enables reliable touch buttons/knobs in wet or noisy automotive cabin environments. |
| GPIO Count | Up to 54 programmable pins - allows flexible routing of CAN TX/RX, PWM outputs, analog inputs, and CAPSENSE™ electrodes without external muxing. |
| Operating Temp | Grade-S: –40°C to +105°C - qualified for under-hood and interior module deployment per AEC-Q100 Rev G. |
| Power Range | 1.71 V to 5.5 V - supports direct connection to 3.3 V or 5 V automotive supply rails without level-shifting. |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), thermally enhanced with exposed pad. Pinout validated per Infineon datasheet 002-20072 Rev. *S, Section 2 "Pinouts".
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0 | Digital I/O power supply | Supplies 1.71–5.5 V to Port 0 GPIOs; decoupling required for noise-sensitive CAPSENSE™ operation. |
| VDDA | Analog reference and supply | Provides clean 1.71–5.5 V for SAR ADC, opamps, and comparators; must be filtered separately from digital rails. |
| CAN_TX / P0[6] | CAN physical layer output | Drives differential CAN_H signal via external transceiver; supports TTCAN timing-critical waveform integrity. |
| CAN_RX / P0[7] | CAN physical layer input | Receives differential CAN_L signal; internally terminated and conditioned for robust edge detection. |
| XTAL_IN / P12[0] | External crystal oscillator input | Accepts 4–33 MHz fundamental-mode crystal for precise clock generation; requires matched load capacitance. |
| WCO_IN / P15[0] | Watch crystal oscillator input | Connects to 32.768 kHz tuning-fork crystal for RTC and low-power wake-up timing. |
| SWDCLK / P15[4] | Debug clock | Enables SWD programming and real-time debugging via MiniProg3 or KitProg3; shared with GPIO function. |
| SWDIO / P15[5] | Debug data I/O | Bi-directional debug interface pin; supports flash programming and breakpoint-based firmware validation. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable Analog Blocks | Two opamps with internal/external drive modes and ADC input buffering - enable precision sensor signal conditioning without external opamp ICs. |
| SmartSense Auto-Tuning | Hardware-accelerated CAPSENSE™ calibration - eliminates manual electrode tuning and maintains stable touch performance across temperature/humidity drift. |
| Time-Triggered CAN (TTCAN) | Deterministic CAN message scheduling with guaranteed latency - meets ASAM MCD-2 MC timing requirements for distributed ECU coordination. |
| Deep Sleep Mode | 2.5 µA digital current with active analog peripherals - extends battery life in always-on vehicle entry systems and keyless-go receivers. |
| Reconfigurable SCBs | Five serial blocks supporting I²C/SPI/UART/LIN on-the-fly - reduces BOM count by eliminating dedicated protocol ICs in multi-interface gateway designs. |
Applications
| Automotive Body Control Module (BCM) | Touch-Based Climate Control Panel |
|---|---|
|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting using CAN bus commands. IC Role / Device Role / Timing Role: Main MCU executing state machines, managing CAN message arbitration, and driving PWM-controlled LED dimming circuits. Use Value: Integrated TCPWM and CAN reduce external component count; CAPSENSE™ enables sealed, waterproof button interfaces without mechanical switches. |
Use Scenario: Cabin HMI with capacitive sliders, rotary encoders, and proximity wake-up for HVAC control. IC Role / Device Role / Timing Role: CAPSENSE™ acquisition engine with SmartSense, SAR ADC for ambient light sensing, and UART-to-display bridge. Use Value: >5:1 SNR ensures reliable touch detection despite condensation or glove use; low-power Deep Sleep extends idle battery life. |
| Electric Power Steering (EPS) Sensor Interface | LED Headlamp Driver Controller |
|
Use Scenario: Acquisition and preprocessing of torque, angle, and motor current signals before CAN transmission to EPS ECU. IC Role / Device Role / Timing Role: Analog front-end for 12-bit SAR ADC with sequencer averaging, opamp-based current shunt amplification, and CAN message formatting. Use Value: On-die opamps eliminate external gain stages; differential ADC mode rejects common-mode noise from high-current motor phases. |
Use Scenario: Closed-loop brightness and thermal management of adaptive LED headlamps using PWM dimming and temperature feedback. IC Role / Device Role / Timing Role: TCPWM generator with center-aligned mode for smooth LED current control; I²C interface to ambient/thermal sensors. Use Value: Eight independent TCPWM blocks allow simultaneous control of multiple LED strings with phase-shifted timing to reduce EMI peaks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4147LQ-S412 | Same PSoC™ 4100S Plus family, but Grade-A (–40°C to +85°C), 40-pin QFN, no CAN block. | Limited to cabin-only applications without CAN networking or extended temperature requirements. | Select when CAN and Grade-S operation are not needed; lower cost and smaller footprint. |
| NXP S32K144HAT0MLHT | ARM Cortex-M4F core, 112 MHz, 1 MB flash, CAN FD, higher interrupt latency, no integrated CAPSENSE™. | Targets higher-performance powertrain/safety domains; requires external touch controller for HMI. | Choose for CAN FD bandwidth or floating-point math needs; avoid if CAPSENSE™ integration and low-power analog are critical. |
Compared with CY8C4147LQ-S412 and S32K144HAT0MLHT, the CY8C4147AZE-S475T uniquely combines AEC-Q100 Grade-S qualification, hardware-accelerated capacitive sensing, and TTCAN in a single die - reducing system-level complexity for mid-tier automotive HMI and body electronics.
Availability
CY8C4147AZE-S475T is available at Aetrix Electronics and suitable for automotive body control modules, touch-based climate panels, electric power steering sensor interfaces, and LED headlamp controllers requiring stable component supply across production lifecycles.
Supply support for CY8C4147AZE-S475T 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 manufacturing and R&D infrastructure.
This part belongs to the PSoC™ 4100S Plus product line - designed specifically for automotive-grade programmable mixed-signal control with integrated CAPSENSE™, CAN, and low-power operation in harsh environments.
FAQ
Is CY8C4147AZE-S475T pin-compatible with other PSoC™ 4100S Plus devices?
Yes - it shares the same 48-pin QFN footprint and pin mapping with other CY8C41xx-S4xx variants (e.g., CY8C4147LQ-S412), enabling hardware reuse across temperature grades and feature sets. However, CAN-related pins (P0[6]/P0[7]) are unused in non-CAN derivatives, so PCB layout must retain those traces if future CAN enablement is planned.
Does CY8C4147AZE-S475T support secure boot or cryptographic acceleration?
No - it lacks dedicated cryptographic hardware accelerators or immutable secure boot ROM. It does include a True Random Number Generator (TRNG) for key derivation, and firmware-level secure boot can be implemented using external secure elements or software-based signature verification with the 128 KB flash and PDL libraries.
What development tools are officially supported for CY8C4147AZE-S475T?
Infineon officially supports ModusToolbox™ (v3.x+) and legacy PSoC™ Creator (v4.4) for firmware development. Hardware debugging and programming require MiniProg3 or KitProg3 programmers; the CY8CKIT-149 prototyping kit provides direct socket support and pre-routed CAN/CAPSENSE™ test points.
Can the SAR ADC perform simultaneous sampling across multiple channels?
No - the 12-bit SAR ADC uses a single conversion core with a channel sequencer that performs rapid sequential conversions (up to 1 Msps aggregate), but true simultaneous sampling requires external parallel ADCs. Signal averaging across sequences is supported in hardware to improve effective resolution for slow-varying signals like temperature.
CY8C4147AZE-S475T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Series:
- PSOC™ 4 CY8C4100S Plus
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- 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 16x10b, 20x12b SAR
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4147AZE-S475T FAQ
1.How can I place an order for CY8C4147AZE-S475T through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147AZE-S475T 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 CY8C4147AZE-S475T reliable?
The price and inventory of CY8C4147AZE-S475T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147AZE-S475T is usually 5 days.
3.What payment methods are accepted for CY8C4147AZE-S475T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147AZE-S475T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147AZE-S475T?
CY8C4147AZE-S475T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147AZE-S475T 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 CY8C4147AZE-S475T?
For technical support, including CY8C4147AZE-S475T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147AZE-S475T requirements.
6.How does Aetrix verify that CY8C4147AZE-S475T is sourced from the original manufacturer or authorized distributors?
All CY8C4147AZE-S475T 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 CY8C4147AZE-S475T meets industry standards.
7.What is the process for return or replacement of CY8C4147AZE-S475T?
All CY8C4147AZE-S475T units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147AZE-S475T, 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 CY8C4147AZE-S475T part is unused and in its original packaging.
Return procedure for CY8C4147AZE-S475T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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