Infineon Technologies CY8C4149AZAS575XQLA1
- Part No.:
- CY8C4149AZAS575XQLA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY8C4149AZAS575XQLA1.pdf
- Description:
- IC MCU 32BIT 384KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:1,705
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Product details
Overview
CY8C4149AZAS575XQLA1 from Infineon is an AEC-Q100 Grade-S (–40°C to +105°C) automotive-qualified PSoC™ 4100S Max microcontroller based on Arm® Cortex®-M0+ CPU, featuring 48 MHz operation, 384 KB flash, 32 KB SRAM, CAN FD up to 5 Mbps, and integrated CAPSENSE™ with SmartSense auto-tuning. It targets body control modules, smart sensors, and automotive HMI systems requiring robust capacitive touch in harsh environments.
For engineers reviewing the CY8C4149AZAS575XQLA1 datasheet, CY8C4149AZAS575XQLA1 pinout, CY8C4149AZAS575XQLA1 application, or CY8C4149AZAS575XQLA1 equivalent, key selection considerations include its 84 GPIO count with full analog/digital/CAPSENSE™ reconfigurability, Deep Sleep current of 2.5 µA with active analog, CAN FD timing compliance, and hardware cryptographic acceleration for secure boot and firmware updates.
Technical Context
The device integrates a single-layer AHB-Lite interconnect linking the Cortex-M0+ core, 5 reconfigurable Serial Communication Blocks (SCBs), and dedicated CAN FD controller - enabling concurrent I2C/SPI/UART/LIN and high-speed CAN FD communication without resource contention. Its programmable analog subsystem includes two CTBm opamps supporting ADC input buffering and comparator modes, plus a 12-bit 1-Msps SAR ADC with built-in temperature sensor and channel sequencer.
Timing is managed by multiple independent clock sources: 4–33 MHz ECO with PLL (for 48 MHz system clock), 32-kHz WCO, ±2% IMO, and 40-kHz ILO - all supporting dynamic clock switching across power modes. The MSC block delivers >5:1 SNR and water-tolerant capacitive sensing via hardware-accelerated SmartSense tuning, eliminating manual calibration.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz max - enables real-time deterministic control with Thumb-2 instruction set and NVIC interrupt handling. |
| Memory | 384 KB flash with Read Accelerator + 32 KB SRAM - supports complex automotive firmware with fast code execution and data buffering. |
| CAN FD | Up to 5 Mbps data rate with ISO 11898-1:2015 compliance - enables high-bandwidth vehicle network diagnostics and ECU coordination. |
| ADC | 12-bit SAR, 1 Msps, differential/single-ended, with sequencer and signal averaging - provides precise sensor acquisition for battery monitoring or thermal management. |
| Power Modes | Deep Sleep at 2.5 µA with active analog - sustains CAPSENSE™ wake-up detection and temperature monitoring without host intervention. |
| GPIO | 84 pins, all configurable as CAPSENSE™, analog input, or digital I/O with programmable drive strength/slew rate - simplifies PCB routing and multi-function pin reuse. |
| Cryptography | AES-128/256, SHA-256, TRNG, CRC accelerators - offloads secure boot verification and OTA update integrity checks from CPU. |
Pinout & Package
Package: 100-pin TQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0[0]–P0[7] | Port 0 GPIO bank | Supports CAPSENSE™, analog input, or digital I/O; each pin configurable for high-drive or low-slew output. |
| P1[0]–P1[7] | Port 1 GPIO bank | Includes dedicated SCB0 I2C/SPI/UART signals; compatible with LIN Slave protocol implementation. |
| P2[0]–P2[7] | Port 2 GPIO bank | Connects to TCPWM0–TCPWM7 outputs; enables center-aligned PWM for motor gate drivers. |
| P3[0]–P3[7] | Port 3 GPIO bank | Routes CAN FD TX/RX, I2S MCLK/BCLK/WS, and MSC sense lines with dedicated analog routing paths. |
| VDDIO0–VDDIO3 | I/O supply rails | Independent 1.71–5.5 V domains per port group - allows mixed-voltage interface with legacy automotive peripherals. |
| VDDD/VDDA | Digital/analog core supplies | Separate 1.71–5.5 V inputs decoupled for noise isolation between digital logic and precision analog blocks. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense Auto-Tuning | Hardware-accelerated CAPSENSE™ calibration eliminates manual threshold adjustment and maintains SNR >5:1 under humidity or contamination. |
| Reconfigurable SCBs | Five independent Serial Communication Blocks dynamically switch between I2C, SPI, UART, or LIN Slave - reduces peripheral count and BOM cost. |
| Deep Sleep Analog Retention | Opamps, comparators, and MSC remain active at 2.5 µA system current - enables always-on touch wake-up and thermal monitoring. |
| Hardware Crypto Engine | Dedicated AES/SHA/TRNG accelerators reduce secure boot latency by >80% vs. software-only implementation and prevent side-channel leakage. |
| Programmable Smart I/O | Boolean logic on GPIO inputs/outputs enables glitch-free signal conditioning and state-machine offload without CPU involvement. |
Applications
| Automotive Door Module | Smart Rearview Mirror HMI |
|---|---|
Use Scenario: Capacitive touch controls for window lift, mirror fold, and seat memory in door panels exposed to condensation and vibration. IC Role / Device Role / Timing Role: Main MCU executing CAPSENSE™ scanning, CAN FD message framing, and PWM motor control for actuators. Use Value: SmartSense maintains >5:1 SNR despite water film; CAN FD at 5 Mbps ensures sub-10 ms response for safety-critical commands. | Use Scenario: Touch-sensitive rearview mirror with ambient light sensing, glare reduction, and vehicle settings menu. IC Role / Device Role / Timing Role: Single-chip solution integrating SAR ADC for photodiode input, MSC for bezel touch, and LCD segment drive for status display. Use Value: 12-bit ADC with signal averaging enables accurate lux measurement; programmable GPIOs drive 48-segment LCD without external driver IC. |
| Body Control Unit (BCU) | Automotive Cabin Air Quality Sensor |
Use Scenario: Centralized control of lighting, HVAC, and door locks with secure firmware updates over CAN FD. IC Role / Device Role / Timing Role: Primary controller managing 84 GPIOs for relay drivers, LED dimming, and LIN slave nodes. Use Value: Hardware AES/SHA accelerators enable authenticated OTA updates; 32 KB SRAM buffers CAN FD diagnostic logs during power loss. | Use Scenario: CO₂/VOC sensor node with temperature/humidity compensation and wireless gateway interface. IC Role / Device Role / Timing Role: Signal conditioner and edge processor - digitizing analog gas sensor outputs and preprocessing data before BLE transmission. Use Value: On-chip opamps buffer low-output-impedance electrochemical sensors; Deep Sleep mode extends battery life to >5 years on coin cell. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144W | ARM Cortex-M4F core, 112 MHz; no integrated CAPSENSE™; requires external touch controller. | Better floating-point performance for motor control algorithms; lacks hardware SmartSense tuning. | Select when advanced math-intensive tasks dominate over capacitive HMI requirements. |
| Renesas RL78/F14 | 16-bit RL78 core, 32 MHz; 256 KB flash; CAN FD not supported - only classical CAN 2.0B. | Lower cost for basic body electronics; insufficient bandwidth for high-rate diagnostic streaming. | Select for cost-sensitive entry-level modules where CAN FD is not mandated by OEM spec. |
Compared with NXP S32K144W and Renesas RL78/F14, CY8C4149AZAS575XQLA1 uniquely combines automotive-grade CAPSENSE™, CAN FD, and hardware crypto in a single 48 MHz Cortex-M0+ device - reducing component count and qualification effort for touch-enabled ECUs.
Availability
CY8C4149AZAS575XQLA1 is available at Aetrix Electronics and suitable for automotive body control modules, smart cabin HMI systems, and battery management interfaces requiring stable component supply, AEC-Q100 Grade-S qualification, and long-term lifecycle support.
Supply support for CY8C4149AZAS575XQLA1 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 centers and ISO/TS 16949-certified manufacturing.
CY8C4149AZAS575XQLA1 belongs to the PSoC™ 4100S Max product line - designed specifically for automotive interior electronics needing integrated capacitive sensing, functional safety support, and CAN FD connectivity in a single-chip solution.
FAQ
What is the maximum operating temperature range for CY8C4149AZAS575XQLA1?
CY8C4149AZAS575XQLA1 is qualified to AEC-Q100 Grade-S, supporting continuous operation from –40°C to +105°C. This rating covers under-hood and cabin-mounted applications including door modules and HVAC controllers where ambient temperatures exceed standard industrial limits.
Does CY8C4149AZAS575XQLA1 support CAN FD with ISO 11898-1:2015 compliance?
Yes, the integrated CAN FD controller supports data rates up to 5 Mbps and complies with ISO 11898-1:2015 physical layer specifications. It includes bit-rate switching, flexible data-length payloads (up to 64 bytes), and error confinement features required for automotive diagnostic and control networks.
Can all 84 GPIO pins be used simultaneously for CAPSENSE™ sensing?
No - while all 84 GPIOs are CAPSENSE™-capable, the Multi-Sense Converter (MSC) block supports up to 32 simultaneous sense channels. Concurrent use across all pins requires time-multiplexed scanning, managed automatically by the SmartSense firmware library without CPU overhead.
Is ModusToolbox™ required to develop firmware for this device?
ModusToolbox™ is Infineon's recommended IDE and provides pre-integrated Peripheral Driver Libraries (PDL), CAPSENSE™ Tuner, and Secure Boot configuration tools. However, the device is Arm®-compliant and supports GCC-based toolchains, Keil MDK, and IAR Embedded Workbench with appropriate startup files and linker scripts.
CY8C4149AZAS575XQLA1 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:
- CANbus, 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:
- 384KB (384K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 32K 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:
CY8C4149AZAS575XQLA1 FAQ
1.How can I place an order for CY8C4149AZAS575XQLA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4149AZAS575XQLA1 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 CY8C4149AZAS575XQLA1 reliable?
The price and inventory of CY8C4149AZAS575XQLA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4149AZAS575XQLA1 is usually 5 days.
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CY8C4149AZAS575XQLA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4149AZAS575XQLA1 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 CY8C4149AZAS575XQLA1?
For technical support, including CY8C4149AZAS575XQLA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4149AZAS575XQLA1 requirements.
6.How does Aetrix verify that CY8C4149AZAS575XQLA1 is sourced from the original manufacturer or authorized distributors?
All CY8C4149AZAS575XQLA1 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 CY8C4149AZAS575XQLA1 meets industry standards.
7.What is the process for return or replacement of CY8C4149AZAS575XQLA1?
All CY8C4149AZAS575XQLA1 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4149AZAS575XQLA1, 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 CY8C4149AZAS575XQLA1 part is unused and in its original packaging.
Return procedure for CY8C4149AZAS575XQLA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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