Infineon Technologies CY8C4149AZSS595XQLA1
- Part No.:
- CY8C4149AZSS595XQLA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
CY8C4149AZSS595XQLA1.pdf
- Description:
- IC MCU 32BIT 384KB FLASH 64LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:3,165
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Product details
Overview
CY8C4149AZSS595XQLA1 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 CY8C4149AZSS595XQLA1 datasheet, CY8C4149AZSS595XQLA1 pinout, CY8C4149AZSS595XQLA1 application, or CY8C4149AZSS595XQLA1 equivalent, key selection criteria include CAN FD timing compliance, Deep Sleep current (2.5 µA), SAR ADC resolution (12-bit, 1 Msps), MSC SNR (>5:1), and GPIO reconfigurability across analog/digital/CAPSENSE™ functions.
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 software arbitration. Its programmable analog subsystem includes two CTBm opamps with Deep Sleep support and a 12-bit SAR ADC with built-in temperature sensor and channel sequencer.
Timing is managed by multiple independent clock sources: 4–33 MHz ECO with PLL (48 MHz system clock), 32 kHz WCO, ±2% IMO, and 40 kHz ILO - allowing precise low-power wake-up and deterministic real-time response. The MSC block implements hardware-accelerated capacitive sensing with automatic calibration, supporting >5:1 SNR and water-tolerant HMI interfaces.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz max - enables deterministic real-time control with Thumb-2 instruction set and NVIC interrupt handling. |
| Memory | 384 KB flash with Read Accelerator + 32 KB SRAM - supports complex firmware with fast code execution and data buffering for sensor fusion. |
| CAN FD | Up to 5 Mbps data rate - meets automotive high-bandwidth diagnostics and ECU-to-ECU messaging requirements per ISO 11898-1:2015. |
| SAR ADC | 12-bit, 1 Msps, differential/single-ended, with sequencer & signal averaging - enables simultaneous multi-channel sensor acquisition with noise suppression. |
| CAPSENSE™ MSC | Multi-sense converter with >5:1 SNR and SmartSense auto-tuning - delivers reliable touch detection under condensation, glove use, or EMI noise. |
| Power Modes | Deep Sleep mode draws 2.5 µA digital current while maintaining opamp/ADC/comparator operation - extends battery life in always-on automotive nodes. |
| GPIO | Up to 84 pins, all reconfigurable as analog input, digital I/O, or CAPSENSE™ - eliminates external muxing and simplifies PCB layout for mixed-signal designs. |
Pinout & Package
Package: 100-pin TQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, automotive-grade molding compound.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO7 | I/O power supply banks | Independent 1.71–5.5 V domains per port group - enable mixed-voltage interfacing (e.g., 3.3 V MCU logic with 5 V sensor outputs). |
| P0[0]–P7[7] | Programmable GPIOs | Support CAPSENSE™, analog input, digital I/O, or SCB peripheral functions - configurable per-pin drive strength, slew rate, and pull-up/down. |
| XTAL_IN / XTAL_OUT | External crystal oscillator inputs | Connect 4–33 MHz crystal for precision timing; internal PLL locks to generate stable 48 MHz system clock. |
| CAN_TX / CAN_RX | Dedicated CAN FD transceiver interface | Direct connection to external CAN PHY (e.g., TJA1043); supports bit rates up to 5 Mbps with CRC and error confinement per ISO 11898-1. |
| SWDCLK / SWDIO | ARM Serial Wire Debug interface | Enable non-intrusive debug, flash programming, and real-time trace via standard ARM SWD protocol - no dedicated debug header required. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Crypto Accelerator | AES-128/256, SHA-1/256, TRNG, and CRC engines offload encryption tasks - reduces CPU load and ensures deterministic timing for secure boot and OTA updates. |
| Smart I/O Block | Per-pin Boolean logic (AND/OR/XOR) on GPIO inputs/outputs - implements glitch-free edge detection, pulse stretching, or state filtering without CPU intervention. |
| TCPWM Blocks | Eight 16-bit timer/counter/PWM units with center-aligned, quadrature decode, and comparator-triggered kill signals - supports motor control, LED dimming, and encoder feedback in safety-critical loops. |
| LCD Segment Drive | Direct segment/backplane drive on GPIO pins - eliminates external LCD driver IC for simple automotive displays (e.g., HVAC status panels). |
| I2S Master TX | Configurable I2S transmitter with programmable sample rate and word length - interfaces directly with automotive audio codecs or DSPs without external FIFOs. |
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 logic, managing LIN slave nodes, and processing CAN FD diagnostic messages. Use Value: Integrated CAN FD and 8 TCPWM blocks enable synchronized actuator control and diagnostics at 5 Mbps - reducing BOM count and wiring harness complexity. | Use Scenario: Capacitive touch interface for infotainment or climate control with water/glove tolerance. IC Role / Device Role / Timing Role: CAPSENSE™ MSC block performs hardware-accelerated touch scanning with SmartSense auto-calibration. Use Value: >5:1 SNR and automatic tuning maintain reliable detection under condensation or wet conditions - eliminating manual calibration during production. |
| Smart Sensor Node | Automotive Instrument Cluster |
Use Scenario: Low-power tire pressure monitoring or cabin air quality sensor with local processing. IC Role / Device Role / Timing Role: Deep Sleep mode (2.5 µA) maintains RTC and analog comparators while waking only on threshold events. Use Value: Enables multi-year battery life using coin-cell power - critical for sealed, maintenance-free automotive sensors. | Use Scenario: Digital gauge cluster with segmented LCD display and backlight PWM control. IC Role / Device Role / Timing Role: Direct LCD segment drive + 8 TCPWM blocks manage display multiplexing and LED dimming simultaneously. Use Value: Eliminates external LCD driver and LED controller ICs - reduces layer count and improves thermal reliability in dashboard assemblies. |
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, 1 MB flash, CAN FD, but no integrated CAPSENSE™ or MSC block | Requires external touch controller for HMI; better suited for motor control or gateway applications demanding higher compute throughput | Select when floating-point math or larger memory footprint is required over capacitive sensing integration |
| Renesas RL78/F14 | 16-bit RL78 core, 32 MHz, 512 KB flash, CAN 2.0B only (no CAN FD), no hardware crypto acceleration | Limited to legacy CAN networks; lacks SmartSense and MSC SNR performance for modern touch HMI | Choose for cost-sensitive, non-FD CAN applications where security and advanced sensing are not required |
Compared with S32K144W and RL78/F14, CY8C4149AZSS595XQLA1 uniquely combines CAN FD, hardware-accelerated CAPSENSE™, and sub-µA Deep Sleep - making it optimal for compact, feature-rich automotive nodes where integration, power, and touch robustness are co-prioritized.
Availability
CY8C4149AZSS595XQLA1 is available at Aetrix Electronics and suitable for body control modules, automotive touch HMIs, smart sensor nodes, and instrument clusters requiring stable component supply across automotive production lifecycles.
Supply support for CY8C4149AZSS595XQLA1 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 MCUs, and security solutions, with global R&D and manufacturing infrastructure.
CY8C41xx PSoC™ 4100S Max is part of Infineon's automotive-qualified programmable system-on-chip family, designed specifically for integrated HMI, body electronics, and sensor fusion applications requiring AEC-Q100 compliance and mixed-signal flexibility.
FAQ
What is the maximum operating temperature range for CY8C4149AZSS595XQLA1?
This device is qualified to AEC-Q100 Grade-S, with guaranteed operation from –40°C to +105°C ambient temperature. It uses automotive-grade packaging and die attach materials validated for thermal cycling and long-term reliability in engine bay and dashboard environments.
Does CY8C4149AZSS595XQLA1 support CAN FD with ISO 11898-1:2015 compliance?
Yes - the integrated CAN FD controller supports data rates up to 5 Mbps, bit-rate switching, extended data length (up to 64 bytes), and full ISO 11898-1:2015 conformance including CRC, error confinement, and automatic retransmission. External PHY compatibility is verified with TJA1043 and similar devices.
How does SmartSense auto-tuning work in the CAPSENSE™ MSC block?
SmartSense dynamically adjusts sensor scan parameters - including IDAC current, modulation clock frequency, and sample count - based on real-time baseline and noise measurements. It runs entirely in hardware without CPU involvement, recalibrating every 100 ms to maintain >5:1 SNR under varying environmental conditions.
Can CY8C4149AZSS595XQLA1 operate in Deep Sleep while performing analog measurements?
Yes - in Deep Sleep mode, the device maintains active operation of both opamps, low-power comparators, and the SAR ADC's temperature sensor. Digital system current drops to 2.5 µA while analog peripherals remain fully functional, enabling periodic wake-up for sensor polling without full CPU restart.
CY8C4149AZSS595XQLA1 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, Crypto - AES, I2S, DMA, LCD, LVD, POR, PWM, SHA, Temp Sensor, TRNG, 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 ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
CY8C4149AZSS595XQLA1 FAQ
1.How can I place an order for CY8C4149AZSS595XQLA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4149AZSS595XQLA1 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 CY8C4149AZSS595XQLA1 reliable?
The price and inventory of CY8C4149AZSS595XQLA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4149AZSS595XQLA1 is usually 5 days.
3.What payment methods are accepted for CY8C4149AZSS595XQLA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4149AZSS595XQLA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4149AZSS595XQLA1?
CY8C4149AZSS595XQLA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4149AZSS595XQLA1 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 CY8C4149AZSS595XQLA1?
For technical support, including CY8C4149AZSS595XQLA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4149AZSS595XQLA1 requirements.
6.How does Aetrix verify that CY8C4149AZSS595XQLA1 is sourced from the original manufacturer or authorized distributors?
All CY8C4149AZSS595XQLA1 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 CY8C4149AZSS595XQLA1 meets industry standards.
7.What is the process for return or replacement of CY8C4149AZSS595XQLA1?
All CY8C4149AZSS595XQLA1 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4149AZSS595XQLA1, 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 CY8C4149AZSS595XQLA1 part is unused and in its original packaging.
Return procedure for CY8C4149AZSS595XQLA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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