Infineon Technologies CY8C4147AZE-S275
- Part No.:
- CY8C4147AZE-S275
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY8C4147AZE-S275.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64TQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
CY8C4147AZE-S275 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 TCPWM modules-used in automotive body control modules requiring robust touch interfaces and real-time motor timing.
For engineers reviewing the CY8C4147AZE-S275 datasheet, CY8C4147AZE-S275 pinout, CY8C4147AZE-S275 application, or CY8C4147AZE-S275 equivalent, key selection criteria include its AEC-Q100 Grade-S qualification, on-die CAPSENSE™ SNR > 5:1, Deep Sleep current of 2.5 µA, and hardware-supported CAN/TTCAN for safety-critical vehicle networks.
Technical Context
The device implements a tightly coupled mixed-signal architecture where programmable analog blocks (two opamps, 12-bit SAR ADC, two IDACs) and digital logic (Smart I/O, TCPWM, SCB) are routed via automatic interconnect fabric. Its clock system integrates ECO (4–33 MHz), PLL (48 MHz), WCO (32 kHz), and IMO (±2%) to support time-triggered execution and low-jitter PWM generation.
The CAN block supports full CAN 2.0B with TTCAN compliance, enabling deterministic message scheduling and synchronization across distributed ECUs. CAPSENSE™ uses capacitance-sigma-delta (CSD) modulation with hardware-accelerated baseline tracking and noise rejection-critical for wet or noisy cabin environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - enables real-time deterministic control with Thumb-2 instruction set and NVIC interrupt handling. |
| Flash / SRAM | 128 KB flash with Read Accelerator / 16 KB SRAM - supports firmware updates and runtime data buffering without external memory. |
| Operating Voltage | 1.71 V to 5.5 V - allows direct interface with 3.3 V and 5 V automotive subsystems without level-shifting. |
| Deep Sleep Current | 2.5 µA digital system current - sustains wake-on-touch or CAN bus activity while minimizing battery drain in parked state. |
| CAPSENSE™ SNR | > 5:1 signal-to-noise ratio - ensures reliable button detection under condensation, glove use, or EMI-rich engine bay conditions. |
| CAN Interface | CAN 2.0B with TTCAN - provides time-triggered message transmission for synchronized actuator control in chassis systems. |
| GPIO Count | Up to 54 programmable pins - supports multi-function routing for CAPSENSE™, analog inputs, and high-drive outputs on same pin. |
Pinout & Package
This device is packaged in a 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are fully configurable via PSoC™ Creator or ModusToolbox™; no fixed peripheral assignment limits routing flexibility.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power supply domains | Independent voltage domains allow mixed-voltage interface (e.g., 1.8 V sensor + 5 V display) with per-bank drive strength control. |
| P0.0–P9.7 | Programmable GPIO | Each pin supports CAPSENSE™, analog input/output, digital logic, or SCB/CAN function - selected at design time, not hardware-defined. |
| XTAL_IN/XTAL_OUT | External crystal oscillator input/output | Supports 4–33 MHz ECO for precise timing; required for CAN bit-rate accuracy and USB-like clock stability. |
| CAN_TX/CAN_RX | Dedicated CAN transceiver interface | Hardwired to internal CAN controller; supports direct connection to ISO 11898-2 compliant transceivers without external logic. |
| VDDD/VSSD | Digital core supply/ground | Separate analog/digital power rails minimize switching noise coupling into sensitive SAR ADC and CAPSENSE™ measurements. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense auto-tuning | Hardware-accelerated CAPSENSE™ calibration eliminates manual threshold tuning and maintains stable operation across temperature/humidity drift. |
| Reconfigurable SCBs | Five serial blocks each support I²C/SPI/UART/LIN slave modes dynamically - reduces BOM count by eliminating discrete protocol translators. |
| Deep Sleep analog retention | Opamps, comparators, and SAR ADC remain active during 2.5 µA Deep Sleep - enables continuous touch monitoring or sensor wake-up without full MCU wake. |
| TTCAN compliance | Hardware timestamping and schedule enforcement meet ISO 11898-1 Annex D requirements for time-triggered automotive networks. |
| Programmable drive strength | Configurable 4–20 mA sink/source per GPIO - drives LEDs, relays, or capacitive sensors directly without external drivers. |
Applications
| Automotive Door Module | Climate Control Panel |
|---|---|
Use Scenario: Touch-sensitive door lock/unlock and window control panel in passenger compartment. IC Role / Device Role / Timing Role: Primary MCU executing CAPSENSE™ scan, LIN slave communication to body controller, and PWM fan speed control. Use Value: Single-chip integration replaces discrete touch controller + MCU + LIN transceiver, reducing PCB area by 35% and qualifying to AEC-Q100 Grade-S. | Use Scenario: HVAC interface with slider controls, temperature display, and motorized damper actuation. IC Role / Device Role / Timing Role: Real-time sensor fusion hub processing NTC thermistors, driving LCD segments, and generating center-aligned PWM for brushless blower motors. Use Value: On-die 12-bit SAR ADC and TCPWM eliminate external signal conditioning and motor driver ICs, cutting bill-of-materials cost by $1.20/unit. |
| Steering Wheel Controls | Seat Position Memory System |
Use Scenario: Capacitive buttons embedded in leather-wrapped steering wheel for audio, cruise, and voice command activation. IC Role / Device Role / Timing Role: CAPSENSE™ front-end with water tolerance and CAN node transmitting button events to head unit over TTCAN. Use Value: >5:1 SNR ensures false-trigger rate < 0.01% even with sweat or rain exposure, meeting OEM functional safety requirements. | Use Scenario: Motorized seat with position memory, lumbar adjustment, and heating element control. IC Role / Device Role / Timing Role: CAN master coordinating seat ECU, reading potentiometer feedback via SAR ADC, and modulating heater IDACs for precise thermal regulation. Use Value: Integrated IDACs deliver 0.1% current accuracy for heater zone control, eliminating external DACs and improving thermal uniformity by ±0.5°C. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CY8C4147LQ-S275 | Same die, 64-pin QFN package with additional GPIOs and enhanced analog routing; no CAN block. | Lacks CAN 2.0B/TTCAN - unsuitable for distributed vehicle networks requiring deterministic messaging. | Select only if CAN is unused and higher pin count is needed for expanded sensor interface. |
| SPC560B50L5 | Power Architecture-based, 64 MHz, 512 KB flash, ASIL-B certified; no integrated CAPSENSE™. | Requires external touch controller and separate CAN PHY; higher power consumption (12 µA Deep Sleep). | Prefer when ASIL-B functional safety certification is mandatory and touch is handled externally. |
Compared with CY8C4147LQ-S275 and SPC560B50L5, the CY8C4147AZE-S275 uniquely combines AEC-Q100 Grade-S qualification, on-die TTCAN, and production-ready CAPSENSE™-enabling single-chip implementation of touch + networked control without compromising automotive reliability or development schedule.
Availability
CY8C4147AZE-S275 is available at Aetrix Electronics and suitable for automotive body electronics, infotainment human-machine interfaces, and electric vehicle charging station control panels requiring stable component supply and long-term lifecycle assurance.
Supply support for CY8C4147AZE-S275 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, and security solutions, with global manufacturing and R&D centers.
The PSoC™ 4100S Plus product line targets automotive interior electronics requiring integrated capacitive sensing, CAN connectivity, and low-power operation-designed specifically for AEC-Q100-compliant touch-enabled ECUs.
FAQ
Does CY8C4147AZE-S275 support hardware encryption?
No. This device does not include dedicated cryptographic accelerators or secure key storage. It features a True Random Number Generator (TRNG) for entropy seeding, but AES/SHA operations must be implemented in software using the Arm® Cortex®-M0+ core and external secure elements if required for automotive security compliance.
What debug interface does CY8C4147AZE-S275 use?
CY8C4147AZE-S275 uses SWD (Serial Wire Debug) over a 5-pin ARM-standard debug header. It supports full JTAG/SWD functionality including breakpoints, watchpoints, and real-time variable inspection via MiniProg3 or KitProg3 programmers-no external debug probe required for basic firmware development.
Can CAPSENSE™ operate during Deep Sleep mode?
Yes. CAPSENSE™ CSD sensing can run autonomously in Deep Sleep mode with only 2.5 µA system current. The hardware sequencer scans configured sensors, triggers interrupts on touch detection, and retains baseline data-enabling always-on touch wake-up without waking the CPU core.
Is the CAN block compatible with ISO 11898-2 physical layer?
No. The CAN block implements only the protocol layer (ISO 11898-1). An external ISO 11898-2 compliant transceiver (e.g., TJA1042T/3) is required for physical layer signaling, termination, and bus fault protection-standard practice for all PSoC™ 4 CAN implementations.
CY8C4147AZE-S275 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Series:
- PSOC™ 4 CY8C4100S Plus
- Packaging:
- Tray
- 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-S275 FAQ
1.How can I place an order for CY8C4147AZE-S275 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147AZE-S275 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-S275 reliable?
The price and inventory of CY8C4147AZE-S275 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147AZE-S275 is usually 5 days.
3.What payment methods are accepted for CY8C4147AZE-S275?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147AZE-S275 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147AZE-S275?
CY8C4147AZE-S275 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147AZE-S275 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-S275?
For technical support, including CY8C4147AZE-S275 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147AZE-S275 requirements.
6.How does Aetrix verify that CY8C4147AZE-S275 is sourced from the original manufacturer or authorized distributors?
All CY8C4147AZE-S275 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-S275 meets industry standards.
7.What is the process for return or replacement of CY8C4147AZE-S275?
All CY8C4147AZE-S275 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147AZE-S275, 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-S275 part is unused and in its original packaging.
Return procedure for CY8C4147AZE-S275:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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