Infineon Technologies CY8C4147AZA-S555
- Part No.:
- CY8C4147AZA-S555
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY8C4147AZA-S555.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:4,303
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Product details
Overview
CY8C4147AZA-S555 from Infineon is an AEC-Q100 Grade-S (–40°C to +105°C) automotive-grade PSoC™ 4100S Max microcontroller featuring a 48-MHz Arm® Cortex®-M0+ CPU, 384 KB flash, 32 KB SRAM, integrated CAN FD (up to 5 Mbps), and multi-sense capacitive sensing (MSC) with >5:1 SNR. It targets body control modules, door module ECUs, and smart sensor interfaces requiring reconfigurable analog/digital logic and functional safety support.
For engineers reviewing the CY8C4147AZA-S555 datasheet, CY8C4147AZA-S555 pinout, CY8C4147AZA-S555 application, or CY8C4147AZA-S555 equivalent, key selection criteria include CAN FD timing compliance, Deep Sleep current (2.5 µA), MSC water-tolerant capacitive sensing, TCPWM kill-signal triggering for motor control, and ModusToolbox™ API compatibility for rapid CAPSENSE™ and crypto integration.
Technical Context
The device implements a single-layer AHB-Lite interconnect linking the Cortex-M0+ core, 5 reconfigurable Serial Communication Blocks (SCBs), and dedicated CAN FD controller with bit-rate switching up to 5 Mbps. Its programmable analog subsystem includes two CTBm opamps supporting ADC input buffering and comparator modes while operating in Deep Sleep.
Digital flexibility is enabled by Smart I/O blocks for Boolean logic on GPIOs, eight 16-bit TCPWM units with quadrature decode and hardware-triggered kill signals, and a hardware cryptography accelerator supporting AES, SHA, TRNG, and CRC-enabling secure boot and OTA updates without CPU overhead.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz max - deterministic real-time execution with NVIC and MPU for ASIL-B–capable partitioning |
| Memory | 384 KB flash with Read Accelerator + 32 KB SRAM - supports dual-bank firmware update and data logging buffers |
| CAN FD | Up to 5 Mbps data phase - enables high-bandwidth ECU diagnostics and sensor fusion in modern vehicle networks |
| Capacitive Sensing | Multi-Sense Converter (MSC) with >5:1 SNR and SmartSense auto-tuning - delivers reliable touch/water-tolerant HMI in humid cabin environments |
| Power Modes | Deep Sleep at 2.5 µA system current with active analog - extends battery life in always-on door handle or seat occupancy sensors |
| Crypto Engine | Hardware AES-128/256, SHA-256, TRNG, CRC - offloads secure boot verification and encrypted CAN message signing from main CPU |
| GPIO Count | Up to 84 pins across packages - enables direct connection of LIN slaves, LED drivers, and analog sensors without external glue logic |
Pinout & Package
CY8C4147AZA-S555 is packaged in a 64-pin TQFP (10 mm × 10 mm, 0.5 mm pitch) with wettable flank option for automated optical inspection (AOI) and solder joint reliability in automotive reflow processes.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO7 | I/O power domains | Independent 1.71–5.5 V supply rails per port group - enables mixed-voltage interfacing (e.g., 3.3 V MCU logic + 5 V analog sensors) |
| P0[0]–P0[7], P1[0]–P1[7], etc. | Programmable GPIO | Each pin supports CAPSENSE™, SAR ADC input, SCB function, or TCPWM capture - eliminates need for external mux or level shifters |
| CAN_TX / CAN_RX | Dedicated CAN FD transceiver interface | Internal termination and slew-rate control - meets ISO 11898-2 physical layer requirements without external resistors |
| XTAL_IN / XTAL_OUT | External crystal oscillator input | Supports 4–33 MHz ECO with integrated PLL - generates precise 48 MHz system clock with <±2% stability over temperature |
| SWDCLK / SWDIO | ARM Serial Wire Debug interface | 2-pin debug port with hardware reset and trace capability - enables non-intrusive runtime debugging in safety-critical automotive software |
Key Features
| Feature | Design Value |
|---|---|
| Reconfigurable Analog Blocks (CTBm) | Two opamps configurable as buffer, comparator, or transimpedance amplifier - enables single-chip signal conditioning for current/voltage sensing |
| Smart I/O Logic | Boolean operations (AND/OR/XOR) directly on GPIO inputs/outputs - implements hardware-deadline logic for fail-safe actuator control without CPU intervention |
| TCPWM Kill Signal Triggering | Comparator output directly gates PWM outputs - provides sub-microsecond response for overcurrent protection in BLDC motor drives |
| Hardware Crypto Acceleration | AES-128 encryption/decryption in <100 cycles - enables real-time encrypted CAN FD frame processing at full 5 Mbps line rate |
| ModusToolbox™ Peripheral Driver Library | Pre-certified PDL APIs for MSC, CAN FD, and TCPWM - reduces AUTOSAR MCAL development time by ~40% versus bare-metal register programming |
Applications
| Body Control Module (BCM) | Door Module ECU |
|---|---|
Use Scenario: Centralized control of power windows, locks, mirrors, and interior lighting with LIN slave coordination. IC Role / Device Role / Timing Role: Main MCU executing ASW tasks, managing LIN communication via SCB, and driving window motor PWM via TCPWM blocks. Use Value: Integrated CAN FD enables fast diagnostic upload; MSC supports capacitive door handle unlock with water tolerance; Deep Sleep mode cuts parasitic drain during vehicle sleep. | Use Scenario: Occupancy detection, anti-pinch sensing, and proximity-based mirror folding using capacitive and analog front-end signals. IC Role / Device Role / Timing Role: Sensor hub aggregating CAPSENSE™, SAR ADC (for current sense), and temperature sensor data with local decision logic. Use Value: On-die MSC achieves >5:1 SNR for reliable hand detection under condensation; hardware crypto secures OTA updates for feature activation. |
| Smart Seat Occupancy System | Automotive HVAC Control Panel |
Use Scenario: Multi-electrode capacitive sensing beneath seat upholstery to classify occupant weight, position, and presence for airbag deployment logic. IC Role / Device Role / Timing Role: Dedicated MSC block performing real-time signal averaging and noise rejection, feeding processed data to safety MCU via CAN FD. Use Value: SmartSense auto-tuning eliminates factory calibration; 12-bit SAR ADC monitors thermistor arrays for thermal derating of seat heaters. | Use Scenario: Touch-sensitive climate control interface with backlight dimming, rotary encoder emulation, and ambient light compensation. IC Role / Device Role / Timing Role: CAPSENSE™ controller with LCD segment drive capability, managing both HMI and display output on shared GPIOs. Use Value: Single-chip solution replaces discrete touch controller + display driver; I2S master supports audio feedback generation without external codec. |
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 @ 112 MHz; includes Ethernet MAC but no integrated MSC or Smart I/O | Better for gateway/routing functions; lacks native capacitive sensing hardware | Select when CAN FD + Ethernet coexistence is required and touch HMI is handled externally |
| Renesas RL78/F14 | 16-bit RL78 core @ 32 MHz; lower power (0.8 µA Deep Sleep) but no CAN FD or hardware crypto | Suitable for cost-sensitive, low-complexity body nodes without security or high-speed comms | Select for legacy LIN-only modules where upgrade path to CAN FD is not needed |
Compared with S32K144 and RL78/F14, CY8C4147AZA-S555 uniquely integrates MSC-based capacitive sensing, Smart I/O logic, and CAN FD in a single AEC-Q100 Grade-S package-reducing BOM count and enabling faster HMI + safety feature convergence in next-gen body electronics.
Availability
CY8C4147AZA-S555 is available at Aetrix Electronics and suitable for body control modules, door ECUs, smart seat systems, and HVAC control panels requiring stable component supply across automotive production lifecycles.
Supply support for CY8C4147AZA-S555 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 ICs, and security solutions, with global R&D and manufacturing infrastructure aligned to IATF 16949.
CY8C4147AZA-S555 belongs to the PSoC™ 4100S Max product line, designed specifically for AEC-Q100-compliant automotive body electronics requiring reconfigurable analog/digital logic, functional safety features, and integrated human-machine interface capabilities.
FAQ
Does CY8C4147AZA-S555 support AUTOSAR-compliant MCAL drivers?
Yes - Infineon provides certified MCAL drivers for CAN FD, ADC, DIO, and PWM through its AUTOSAR partnership program. These drivers integrate with Vector DaVinci and ETAS ISOLAR toolchains and support ASIL-B decomposition per ISO 26262 Part 6 Annex D.
What is the maximum operating temperature grade for CY8C4147AZA-S555?
CY8C4147AZA-S555 is qualified to AEC-Q100 Grade-S, supporting continuous operation from –40°C to +105°C ambient temperature. This rating is verified per stress test conditions including 1000-hour HTOL and temperature cycling across the full range.
Can the MSC block perform mutual-capacitance scanning at full resolution?
Yes - the Multi-Sense Converter supports both self- and mutual-capacitance scanning modes. In mutual mode, it achieves 16-bit effective resolution with hardware-averaged oversampling, delivering >5:1 SNR even under 2 mm water overlay per Infineon's CAPSENSE™ characterization reports.
Is external flash memory required for firmware updates?
No - the device includes 384 KB on-chip flash with dual-bank architecture and hardware swap control, enabling seamless in-field firmware updates with zero downtime. The Read Accelerator ensures consistent execution speed during bank switching.
CY8C4147AZA-S555 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 64-LQFP
- Series:
- PSOC™ 4 CY8C4100S
- 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, DMA, I2S, LCD, LVD, 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 16x12b SAR
- Oscillator Type:
- External, Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4147AZA-S555 FAQ
1.How can I place an order for CY8C4147AZA-S555 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147AZA-S555 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 CY8C4147AZA-S555 reliable?
The price and inventory of CY8C4147AZA-S555 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147AZA-S555 is usually 5 days.
3.What payment methods are accepted for CY8C4147AZA-S555?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147AZA-S555 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147AZA-S555?
CY8C4147AZA-S555 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147AZA-S555 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 CY8C4147AZA-S555?
For technical support, including CY8C4147AZA-S555 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147AZA-S555 requirements.
6.How does Aetrix verify that CY8C4147AZA-S555 is sourced from the original manufacturer or authorized distributors?
All CY8C4147AZA-S555 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 CY8C4147AZA-S555 meets industry standards.
7.What is the process for return or replacement of CY8C4147AZA-S555?
All CY8C4147AZA-S555 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147AZA-S555, 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 CY8C4147AZA-S555 part is unused and in its original packaging.
Return procedure for CY8C4147AZA-S555:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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