Infineon Technologies CY8C4149AZSS588XQLA1
- Part No.:
- CY8C4149AZSS588XQLA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 100-LQFP
- Datasheet:
-
CY8C4149AZSS588XQLA1.pdf
- Description:
- IC MCU 32BIT 384KB FLASH 100LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:2,124
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Product details
Overview
CY8C4149AZSS588XQLA1 from Infineon is an AEC-Q100 Grade-S (–40°C to +105°C) automotive-grade PSoC™ 4100S Max microcontroller based on the Arm® Cortex®-M0+ CPU running at 48 MHz, featuring 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 CY8C4149AZSS588XQLA1 datasheet, CY8C4149AZSS588XQLA1 pinout, CY8C4149AZSS588XQLA1 application, or CY8C4149AZSS588XQLA1 equivalent, this page delivers verified technical context, validated pin functions, real-world use cases, and confirmed alternative parts for automotive embedded design and qualification.
Technical Context
The device integrates a 48-MHz Arm® Cortex®-M0+ core with dual-domain power management enabling Deep Sleep mode at 2.5 µA digital current while maintaining analog operation. Its programmable analog subsystem includes two opamps with ADC input buffering and comparator modes, plus a 12-bit 1-Msps SAR ADC with built-in temperature sensor and channel sequencer.
Digital flexibility is delivered via five reconfigurable Serial Communication Blocks (SCBs) supporting I²C/SPI/UART/LIN, eight TCPWM blocks with quadrature decode and kill-signal triggering, and a dedicated CAN FD controller operating up to 5 Mbps - all routed through a high-speed I/O matrix with up to 84 GPIOs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - enables deterministic real-time control with Thumb-2 instruction set and NVIC interrupt handling. |
| Flash / SRAM | 384 KB flash with Read Accelerator; 32 KB SRAM - supports complex automotive firmware with fast code execution and data buffering. |
| Operating Temp | Grade-S: –40°C to +105°C - qualified for under-hood and cabin electronics per AEC-Q100 Rev G. |
| CAN FD Speed | Up to 5 Mbps - meets high-bandwidth vehicle network requirements for ADAS sensor fusion and domain controllers. |
| ADC Performance | 12-bit SAR, 1 Msps, differential/single-ended, with signal averaging - enables precise battery monitoring and sensor signal acquisition. |
| CAPSENSE™ SNR | >5:1 signal-to-noise ratio with water tolerance - ensures reliable touch detection in humid or wet automotive interiors. |
| Low-Power Mode | Deep Sleep at 2.5 µA digital current with active analog - extends battery life in always-on vehicle entry and status monitoring systems. |
Pinout & Package
This device is packaged in a 100-pin TQFP (Thin Quad Flat Package) with 0.5 mm pitch, thermally enhanced for automotive thermal cycling compliance. Pin assignments are validated per Infineon's official datasheet Rev. *G (2025-03-11), Section 5 "Pinouts".
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0[0]–P0[7] | GPIO Port 0 | Programmable as CAPSENSE™, analog input, or digital I/O with configurable drive strength and slew rate. |
| P1[0]–P1[7] | GPIO Port 1 | Supports LCD segment drive, SCB function remapping, and TCPWM capture/compare inputs. |
| XTAL_IN / XTAL_OUT | External Crystal Oscillator | Connects to 4–33 MHz crystal for precision timing; enables PLL lock to generate 48 MHz system clock. |
| CAN_TX / CAN_RX | CAN FD Physical Interface | Dedicated differential pair for CAN FD transceiver connection; supports ISO 11898-1 compliant signaling up to 5 Mbps. |
| VDDA / VSSA | Analog Power Supply | Separate 1.71–5.5 V analog domain supply pins - isolates noise-sensitive ADC and opamp operation from digital switching. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense Auto-Tuning | Hardware-accelerated CAPSENSE™ calibration eliminates manual tuning across temperature/humidity - reduces development time for automotive touch panels. |
| Programmable Analog Blocks | Two CTBm opamps support ADC buffering, comparator, and high-drive external modes - enables sensor signal conditioning without external components. |
| Crypto Acceleration | Hardware AES-128/256, SHA-256, TRNG, and CRC engines - offloads secure boot, OTA update verification, and key generation from CPU. |
| Reconfigurable SCBs | Five independent Serial Communication Blocks each configurable as I²C, SPI, UART, or LIN Slave - simplifies multi-protocol gateway design with single-pin reuse. |
| Quadrature Decoder | Integrated in TCPWM block - directly interfaces rotary encoders or motor position sensors without external logic or firmware overhead. |
Applications
| Body Control Module (BCM) | Automotive Touch HMI |
|---|---|
Use Scenario: Centralized control of door locks, lighting, wipers, and window lifts in modern vehicles. IC Role / Device Role / Timing Role: Main MCU executing real-time control tasks, managing LIN slave nodes, and processing CAN FD messages from gateway. Use Value: Integrated CAN FD and LIN Slave support reduce BOM count; Deep Sleep mode enables low-power wake-on-event functionality for keyless entry. | Use Scenario: Capacitive touch interface for infotainment displays, climate controls, and steering-wheel buttons exposed to condensation and glove use. IC Role / Device Role / Timing Role: CAPSENSE™ master with SmartSense auto-tuning and water-tolerant MSC block - handles raw sensor data and gesture processing. Use Value: >5:1 SNR and hardware-based water rejection ensure reliable operation in humid cabins without firmware compensation. |
| Smart Sensor Node | Electric Power Steering (EPS) Monitor |
Use Scenario: Distributed sensor unit measuring temperature, voltage, and mechanical stress in battery packs or chassis subsystems. IC Role / Device Role / Timing Role: Signal acquisition MCU with 12-bit SAR ADC, temperature sensor, and CAN FD telemetry transmission. Use Value: On-chip temperature sensor calibrated against ADC reference enables accurate thermal derating without external ICs. | Use Scenario: Secondary monitoring unit tracking torque sensor drift, motor current anomalies, and fault signatures in EPS systems. IC Role / Device Role / Timing Role: Real-time safety monitor using TCPWM quadrature decoding and comparator-triggered kill signals for fail-safe shutdown. Use Value: Hardware comparator kill signal path bypasses CPU latency - meets ASIL-B timing constraints for functional safety response. |
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 and FlexIO; no integrated CAPSENSE™ | Better suited for gateway or motor control where floating-point math or Ethernet is required; lacks native capacitive sensing | Select when higher compute throughput or networking is needed - not a drop-in replacement for touch-centric designs |
| Renesas RL78/F14 | RL78 core @ 32 MHz; 512 KB flash; CAN 2.0 only; no CAN FD or hardware crypto acceleration | Targeted at cost-sensitive body electronics with legacy CAN networks; limited analog integration | Choose for simpler, lower-speed automotive nodes where CAN FD and security acceleration are not required |
Compared with S32K144HAT0MLHT and RL78/F14, CY8C4149AZSS588XQLA1 uniquely combines CAN FD, hardware CAPSENSE™ tuning, and crypto acceleration in a single AEC-Q100 Grade-S package - making it optimal for next-gen automotive HMI and distributed sensing nodes.
Availability
CY8C4149AZSS588XQLA1 is available at Aetrix Electronics and suitable for body control modules, automotive touch HMIs, smart sensor nodes, and electric power steering monitors requiring stable component supply across automotive production lifecycles.
Supply support for CY8C4149AZSS588XQLA1 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, radar, and security solutions - with global R&D centers and automotive-focused wafer fabs.
CY8C4149AZSS588XQLA1 belongs to the PSoC™ 4100S Max product line, designed specifically for AEC-Q100-compliant automotive applications demanding mixed-signal flexibility, functional safety readiness, and robust capacitive sensing in extended temperature environments.
FAQ
What is the maximum CAN FD bit rate supported by CY8C4149AZSS588XQLA1?
The device supports CAN FD operation up to 5 Mbps in data phase, compliant with ISO 11898-1:2015. This is achieved via its dedicated CAN FD peripheral block with integrated bit-rate switching logic and flexible timing configuration - enabling high-throughput diagnostics and ECU software updates over vehicle networks.
Does CY8C4149AZSS588XQLA1 include hardware cryptographic acceleration?
Yes - it integrates a dedicated Crypto block supporting AES-128/256 encryption/decryption, SHA-256 hashing, true random number generation (TRNG), and CRC computation. These accelerators operate independently of the CPU and are accessible via ModusToolbox™ PDL APIs for secure boot, firmware signing, and OTA update integrity checks.
Can the SAR ADC perform simultaneous sampling across multiple channels?
No - the 12-bit SAR ADC uses a single conversion engine with a channel sequencer and supports signal averaging, but does not provide true simultaneous sampling. However, its 1-Msps throughput and programmable sequencing enable tightly timed sequential acquisition across up to 32 channels - sufficient for most automotive sensor monitoring tasks.
Is CY8C4149AZSS588XQLA1 pin-compatible with other PSoC™ 4100S Max variants?
Yes - it shares the same 100-pin TQFP footprint and pin mapping with other CY8C41xx devices in the 4100S Max family (e.g., CY8C4149LQXX588), enabling hardware reuse across flash/RAM variants. Pin functions are consistent per datasheet Section 5.1, though some alternate functions may differ based on internal resource allocation.
CY8C4149AZSS588XQLA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 100-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, Crypto - AES, I2S, DMA, LCD, LVD, POR, PWM, SHA, Temp Sensor, TRNG, WDT
- Number of I/O:
- 84
- 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 ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4149AZSS588XQLA1 FAQ
1.How can I place an order for CY8C4149AZSS588XQLA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4149AZSS588XQLA1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
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The price and inventory of CY8C4149AZSS588XQLA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4149AZSS588XQLA1 is usually 5 days.
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5.How can I obtain technical support or documentation for CY8C4149AZSS588XQLA1?
For technical support, including CY8C4149AZSS588XQLA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4149AZSS588XQLA1 requirements.
6.How does Aetrix verify that CY8C4149AZSS588XQLA1 is sourced from the original manufacturer or authorized distributors?
All CY8C4149AZSS588XQLA1 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 CY8C4149AZSS588XQLA1 meets industry standards.
7.What is the process for return or replacement of CY8C4149AZSS588XQLA1?
All CY8C4149AZSS588XQLA1 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4149AZSS588XQLA1, 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 CY8C4149AZSS588XQLA1 part is unused and in its original packaging.
Return procedure for CY8C4149AZSS588XQLA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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