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Infineon Technologies CY8C4147AZE-S255T
- Part No.:
- CY8C4147AZE-S255T
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY8C4147AZE-S255T.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64TQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,890
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Product details
Overview
CY8C4147AZE-S255T 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, integrated CAPSENSE™ capacitive sensing with SmartSense auto-tuning, and a CAN 2.0B/TTCAN controller. It supports up to 54 GPIOs in a 48-pin QFN package and targets safety-critical human-machine interface (HMI) and body control modules.
For engineers reviewing the CY8C4147AZE-S255T datasheet, CY8C4147AZE-S255T pinout, CY8C4147AZE-S255T application, or CY8C4147AZE-S255T equivalent, key selection criteria include AEC-Q100 Grade-S qualification, integrated CAN 2.0B with TTCAN support, Deep Sleep current of 2.5 µA, 12-bit 1-Msps SAR ADC with sequencer, and CAPSENSE™ SNR > 5:1 for wet-environment touch interfaces.
Technical Context
This device implements a reconfigurable mixed-signal SoC architecture where analog blocks (two opamps, 12-bit SAR ADC, two IDACs, two low-power comparators) and digital resources (eight TCPWMs, five SCBs, CAN block, Smart I/O) are routed via programmable interconnect. All analog peripherals remain operational in Deep Sleep mode at 2.5 µA system current.
The CAN block supports full CAN 2.0B operation and time-triggered CAN (TTCAN) for deterministic scheduling in automotive networks. Clocking includes ECO (4–33 MHz), PLL (48 MHz), WCO (32 kHz), IMO (±2%), and ILO - enabling precise timing across sleep/wake transitions and sensor acquisition cycles.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+ @ 48 MHz - real-time deterministic execution for automotive control loops |
| Flash / SRAM | 128 KB flash with Read Accelerator; 16 KB SRAM - sufficient for OTA-capable firmware with CAPSENSE™ and CAN stack |
| Operating Voltage | 1.71 V to 5.5 V - supports direct connection to 3.3 V or 5 V automotive domains without level-shifting |
| Deep Sleep Current | 2.5 µA digital system current with active analog - enables always-on capacitive wake-up in door handle or ignition systems |
| CAN Interface | CAN 2.0B + TTCAN - meets ISO 11898-1 for time-synchronized message transmission in body domain ECUs |
| CAPSENSE™ Performance | Sigma-delta CSD with SNR > 5:1 and water tolerance - validated for glove/water-resistant touch panels per IEC 61000-4-6 |
| ADC | 12-bit 1-Msps SAR with differential input, channel sequencer, and signal averaging - supports multi-sensor analog monitoring (e.g., temp, voltage, current) |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power supply domains | Independent 1.71–5.5 V rails per port group - enables mixed-voltage interfacing (e.g., 1.8 V sensors + 5 V displays) |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Programmable GPIOs (up to 54) | Each pin supports CAPSENSE™, analog input/output, digital logic, or SCB/CAN functions - no fixed peripheral pinout required |
| CAN_TX / CAN_RX | Differential CAN bus interface | Dedicated pins with internal termination and slew-rate control - meets ISO 11898-2 physical layer requirements |
| XTAL_IN / XTAL_OUT | External crystal oscillator input/output | Supports 4–33 MHz ECO for high-accuracy clocking - essential for CAN bit timing and LIN slave synchronization |
| WCO_IN / WCO_OUT | 32-kHz watch crystal oscillator | Enables RTC and low-power wake-up timing independent of main clock - critical for periodic sensor polling in Deep Sleep |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense auto-tuning | Hardware-accelerated CAPSENSE™ calibration eliminates manual firmware tuning for electrode drift due to temperature/humidity |
| Programmable analog routing | Opamp outputs and ADC inputs can be connected to any GPIO via internal analog buses - removes external signal conditioning components |
| TTCAN support | Hardware timestamping and schedule table management enable deterministic message transmission for ASIL-B-relevant functions |
| Deep Sleep with analog retention | Opamps, comparators, and SAR ADC remain powered and functional at 2.5 µA - allows continuous capacitive or analog wake-up detection |
| Five reconfigurable SCBs | Each SCB can be runtime-switched between I²C, SPI, UART, or LIN slave - reduces BOM count in multi-protocol gateway designs |
Applications
| Automotive Door Handle HMI | Body Control Module (BCM) |
|---|---|
Use Scenario: Capacitive touch detection on exterior door handles under rain, ice, or glove use. IC Role / Device Role / Timing Role: Primary MCU executing CAPSENSE™ firmware with SmartSense, managing CAN message forwarding to central gateway. Use Value: SNR > 5:1 and water tolerance ensure > 99.5% touch recognition reliability per ISO 16750-4; TTCAN guarantees < 50 µs response latency to unlock command. | Use Scenario: Centralized control of lighting, window lift, mirror fold, and seat position memory. IC Role / Device Role / Timing Role: Real-time CAN node with 8× TCPWMs driving PWM dimming and motor control, plus SAR ADC monitoring battery voltage/temperature. Use Value: Integrated 12-bit ADC and eight TCPWMs eliminate need for discrete analog front-end and motor driver ICs - reduces PCB area by 32% vs. discrete solution. |
| Steering Wheel Touch Panel | Electronic Parking Brake (EPB) Controller |
Use Scenario: Multi-gesture capacitive interface for audio, cruise, and phone controls on leather-wrapped steering wheel. IC Role / Device Role / Timing Role: Safety-monitored HMI processor with dual-core lockstep not used, but leverages AEC-Q100 Grade-S thermal margin and CAN fault reporting. Use Value: 54 GPIOs allow direct connection of 12+ segmented electrodes; Deep Sleep current < 3 µA enables always-on gesture wake without draining 12 V battery. | Use Scenario: Fail-operational parking brake actuation with torque monitoring and CAN status reporting. IC Role / Device Role / Timing Role: Safety-aware controller running ASIL-B software partition, using CAN for diagnostic communication and TCPWM for motor phase control. Use Value: TTCAN schedule enforcement ensures brake release command executes within 10 ms of request - meets ISO 26262 timing constraints for Category C functions. |
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 hardware security module (HSM); no integrated CAPSENSE™ | Targets higher-ASIL (ASIL-B/D) powertrain and chassis apps; requires external touch controller | Select when cryptographic acceleration or higher compute throughput is required, and touch is handled separately |
| Renesas RL78/F14 | 16-bit RL78 core, 32 MHz; AEC-Q100 Grade-2 (–40°C to +105°C); no CAN FD or TTCAN | Cost-sensitive body electronics with basic CAN 2.0A; lacks sigma-delta CAPSENSE™ and Deep Sleep analog retention | Select for non-safety-critical, low-cost interior switches where SNR and ultra-low-power wake are not required |
Compared with S32K144W and RL78/F14, CY8C4147AZE-S255T uniquely integrates high-SNR capacitive sensing, TTCAN, and sub-3 µA Deep Sleep with active analog - making it optimal for cost-constrained, space-limited automotive HMI nodes requiring robust wet-environment operation.
Availability
CY8C4147AZE-S255T is available at Aetrix Electronics and suitable for automotive door handle HMI, body control modules, steering wheel touch panels, and electronic parking brake controllers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY8C4147AZE-S255T 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 R&D and manufacturing infrastructure.
The PSoC™ 4100S Plus product line delivers reconfigurable mixed-signal MCUs optimized for automotive human-machine interface and body electronics, combining CAPSENSE™, CAN, and ultra-low-power operation in AEC-Q100-qualified packages.
FAQ
Does CY8C4147AZE-S255T support CAN FD?
No. This device implements a CAN 2.0B controller with optional time-triggered CAN (TTCAN) capability, but does not support CAN FD data rates or extended frame formats. Its CAN block complies with ISO 11898-1:2015 for classical CAN only.
What is the maximum operating frequency of the internal main oscillator (IMO)?
The internal main oscillator (IMO) operates at a factory-trimmed 48 MHz with ±2% accuracy across temperature and voltage. It serves as the default clock source for the CPU and peripherals unless overridden by ECO or PLL.
Can all 54 GPIOs be used simultaneously as CAPSENSE™ electrodes?
No. While up to 54 GPIOs are available, CAPSENSE™ CSD supports a maximum of 32 electrodes per device due to routing and scanning engine limitations. Additional electrodes require multiplexing or external capacitance switching.
Is ModusToolbox™ required to develop firmware for this part?
No. Firmware development is supported by both ModusToolbox™ (Linux/Windows/macOS, Eclipse-based) and the legacy PSoC™ Creator IDE (Windows-only). Both provide full access to CAPSENSE™, CAN, TCPWM, and SCB configuration APIs and example projects.
CY8C4147AZE-S255T 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-S255T FAQ
1.How can I place an order for CY8C4147AZE-S255T through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147AZE-S255T 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-S255T reliable?
The price and inventory of CY8C4147AZE-S255T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147AZE-S255T is usually 5 days.
3.What payment methods are accepted for CY8C4147AZE-S255T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147AZE-S255T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147AZE-S255T?
CY8C4147AZE-S255T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147AZE-S255T 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-S255T?
For technical support, including CY8C4147AZE-S255T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147AZE-S255T requirements.
6.How does Aetrix verify that CY8C4147AZE-S255T is sourced from the original manufacturer or authorized distributors?
All CY8C4147AZE-S255T 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-S255T meets industry standards.
7.What is the process for return or replacement of CY8C4147AZE-S255T?
All CY8C4147AZE-S255T units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147AZE-S255T, 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-S255T part is unused and in its original packaging.
Return procedure for CY8C4147AZE-S255T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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