Infineon Technologies CY8C4149LDES573XQLA1
- Part No.:
- CY8C4149LDES573XQLA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
CY8C4149LDES573XQLA1.pdf
- Description:
- IC MCU 32BIT 384KB FLASH 48VFQFN
- Quantity:
- Payment:

- Shipping:

Inventory:4,190
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Product details
Overview
CY8C4149LDES573XQLA1 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), 12-bit 1-Msps SAR ADC, and multi-sense capacitive sensing (MSC) with >5:1 SNR - deployed in vehicle body control modules for touch-enabled door handles and climate panels.
For engineers reviewing the CY8C4149LDES573XQLA1 datasheet, CY8C4149LDES573XQLA1 pinout, CY8C4149LDES573XQLA1 application, or CY8C4149LDES573XQLA1 equivalent, key selection considerations include CAN FD timing compliance, Deep Sleep current (2.5 µA), programmable analog routing, MSC water-tolerance capability, and GPIO reconfigurability across CAPSENSE™/ADC/digital functions.
Technical Context
The device implements a single-layer AHB-Lite interconnect between CPU, memory, and peripherals, supporting concurrent DMA transfers and interrupt-driven operation via NVIC and IRQMUX. Its clock system integrates ECO (4–33 MHz), PLL (generating 48 MHz), WCO (32 kHz), IMO (±2%), and ILO (40 kHz) - enabling precise timing for CAN FD bit arbitration and TCPWM motor control.
Analog subsystem includes two CTBm opamps (operable in Deep Sleep), dual low-power comparators, and SAR ADC with built-in temperature sensor and channel sequencer. Digital flexibility is delivered through five reconfigurable SCBs (I²C/SPI/UART/LIN), eight TCPWM blocks (with quadrature decode and kill-signal triggering), and Smart I/O for Boolean logic on port signals.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - enables real-time deterministic execution of CAN FD protocol stack and CAPSENSE™ firmware without external co-processor. |
| Flash / SRAM | 384 KB flash with Read Accelerator / 32 KB SRAM - supports secure OTA updates and dual-bank firmware storage for ASIL-B-compliant fail-safe boot. |
| CAN FD Speed | Up to 5 Mbps data phase - meets ISO 11898-1:2015 requirements for high-bandwidth vehicle network diagnostics and ADAS sensor fusion. |
| SAR ADC | 12-bit, 1-Msps, differential/single-ended, with hardware averaging - delivers accurate battery voltage monitoring and thermistor-based cabin temperature sensing. |
| Deep Sleep Current | 2.5 µA digital + operational analog - sustains always-on capacitive wake-up detection while meeting ISO 19453-3 standby power limits. |
| GPIO Count | Up to 84 pins, all reconfigurable for CAPSENSE™/ADC/digital - eliminates need for external multiplexers in multi-function human-machine interface designs. |
| Operating Temp | Grade-S: –40°C to +105°C - qualified per AEC-Q100 Rev G for under-hood and dashboard-mounted automotive ECUs. |
Pinout & Package
Package: 100-pin TQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, wettable flank capable.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0[0]–P0[7] | Port 0 GPIO bank | Supports CAPSENSE™ CSD/CSX, SAR ADC input, SCB-I²C SDA/SCL, and TCPWM capture - configurable per pin in ModusToolbox™. |
| P1[0]–P1[7] | Port 1 GPIO bank | Includes dedicated CAN FD TX/RX (P1[2]/P1[3]), WCO_IN/WCO_OUT (P1[4]/P1[5]), and ECO_IN/ECO_OUT (P1[6]/P1[7]) - enables crystal-based timing and fault-tolerant bus communication. |
| VDDIO0–VDDIO3 | I/O supply rails | Four independent 1.71–5.5 V domains allow mixed-voltage interfacing (e.g., 3.3 V CAN transceiver + 5 V LCD segment drive). |
| VDDD / VDDA | Digital/analog core supplies | Separate 1.71–5.5 V inputs decouple noise-sensitive analog blocks (ADC, opamps) from digital switching transients. |
| XRES | External reset input | Active-low, Schmitt-triggered, with internal pull-up - provides deterministic cold-start initialization compliant with ISO 16750-2 pulse test profiles. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Crypto Accelerator | AES-128/256, SHA-256, TRNG, CRC - enables secure key derivation and firmware signature verification without CPU overhead. |
| SmartSense Auto-Tuning | Automatic MSC calibration during runtime - maintains stable touch sensitivity across humidity, temperature, and overlay thickness variations without host intervention. |
| Programmable Analog Routing | CTBm opamp outputs connect directly to SAR ADC inputs or comparator references - eliminates external signal conditioning components in sensor front-ends. |
| LCD Segment Drive | Direct GPIO-based 4×32-segment drive - reduces BOM cost by removing dedicated LCD controller IC in instrument cluster sub-modules. |
| SCB Reconfiguration | Five SCBs support dynamic I²C/SPI/UART/LIN mode switching at runtime - simplifies shared-bus diagnostics and multi-protocol gateway implementations. |
Applications
| Body Control Module (BCM) | Climate Control Panel |
|---|---|
Use Scenario: Centralized management of door locks, window lifts, mirror adjustment, and interior lighting via CAN FD backbone. IC Role / Device Role / Timing Role: Main MCU executing ASW-level control logic, managing CAN FD message scheduling, and sampling capacitive touch buttons. Use Value: Integrated MSC block enables water-tolerant touch interfaces; 2.5 µA Deep Sleep allows persistent wake-on-touch while meeting OEM <10 µA total module standby budget. | Use Scenario: Human-machine interface for HVAC system with rotary encoder, slider, and segmented LCD display. IC Role / Device Role / Timing Role: Single-chip solution handling CAPSENSE™ slider/encoder, SAR ADC for thermistor readings, and direct LCD segment drive. Use Value: Eliminates discrete opamps and LCD driver ICs; SmartSense auto-calibration ensures consistent slider response across cabin temperature range (–40°C to +85°C). |
| Motorized Seat Controller | Steering Wheel Touch Interface |
Use Scenario: Position feedback and actuation control for lumbar, thigh support, and seat recline motors using Hall-effect sensors and H-bridge drivers. IC Role / Device Role / Timing Role: Real-time motor control unit running TCPWM with quadrature decoder input and comparator-triggered kill signals. Use Value: Hardware-based kill signal generation meets ISO 26262 ASIL-B functional safety requirements for immediate motor shutdown on fault detection. | Use Scenario: Capacitive touch zones for audio volume, cruise control, and voice assistant activation on leather-wrapped steering wheel. IC Role / Device Role / Timing Role: Dedicated CAPSENSE™ acquisition engine with water-tolerant MSC and low-latency gesture processing. Use Value: >5:1 SNR and automatic moisture compensation enable reliable operation during rain or hand-sweat conditions without false triggers. |
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, 512 KB flash, no integrated CAPSENSE™, requires external touch controller | Better floating-point performance for motor control algorithms; lacks native capacitive sensing | Select when prioritizing computational throughput over integrated HMI analog front-end |
| Renesas RL78/F14 | 16-bit RL78 core @ 32 MHz, 256 KB flash, 20 KB RAM, no CAN FD, only CAN 2.0B | Lower cost for legacy CAN networks; insufficient bandwidth for modern ADAS data streaming | Select for cost-sensitive, non-FD automotive nodes where 1 Mbps CAN suffices |
Compared with S32K144HAT0MLHT and RL78/F14, CY8C4149LDES573XQLA1 uniquely combines CAN FD, MSC-based water-tolerant touch, and Deep Sleep analog operation in a single AEC-Q100 Grade-S package - reducing system BOM count and validation effort for next-gen automotive HMI.
Availability
CY8C4149LDES573XQLA1 is available at Aetrix Electronics and suitable for automotive body electronics, climate control systems, and steering-wheel HMI applications requiring stable component supply, long-term lifecycle assurance, and AEC-Q100 qualification.
Supply support for CY8C4149LDES573XQLA1 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 sensors, and security ICs - with global R&D centers and ISO/TS 16949-certified wafer fabs.
CY8C4149LDES573XQLA1 belongs to the PSoC™ 4100S Max product line, designed specifically for automotive human-machine interface and body electronics applications demanding integrated analog sensing, CAN FD connectivity, and functional safety-ready peripherals.
FAQ
What is the maximum operating frequency of the Arm® Cortex®-M0+ core in CY8C4149LDES573XQLA1?
The Arm® Cortex®-M0+ core operates at a maximum frequency of 48 MHz, achieved via internal PLL multiplication from the 4–33 MHz external crystal oscillator (ECO). This frequency is fully supported across all AEC-Q100 Grade-S temperature ranges (–40°C to +105°C) and enables deterministic execution of CAN FD protocol stacks and CAPSENSE™ firmware within tight timing budgets.
Does CY8C4149LDES573XQLA1 support hardware-based cryptographic operations?
Yes, it integrates a dedicated cryptography accelerator supporting AES-128/256 encryption/decryption, SHA-256 hashing, true random number generation (TRNG), and CRC computation. These functions operate independently of the CPU, enabling secure firmware updates and key management without compromising real-time control latency in automotive safety-critical applications.
How many CAN FD channels does CY8C4149LDES573XQLA1 provide, and what is the maximum data rate?
CY8C4149LDES573XQLA1 includes one CAN FD controller supporting bit rates up to 5 Mbps in the data phase, compliant with ISO 11898-1:2015. It features dedicated TX/RX pins (P1[2]/P1[3]), message RAM with configurable FIFOs, and error counters - enabling robust diagnostics and high-bandwidth sensor data aggregation in modern vehicle networks.
Can the SAR ADC perform simultaneous sampling across multiple channels?
No, the 12-bit SAR ADC is single-core with a channel sequencer and hardware averaging, but it does not support true simultaneous sampling. However, it achieves 1-Msps aggregate throughput with programmable sequencing and up to 16-sample hardware averaging per channel - sufficient for synchronized sampling of thermistors, potentiometers, and battery voltage in automotive cabin control systems.
CY8C4149LDES573XQLA1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 48-VFQFN Exposed Pad
- 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:
- 40
- 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 ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
CY8C4149LDES573XQLA1 FAQ
1.How can I place an order for CY8C4149LDES573XQLA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4149LDES573XQLA1 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 CY8C4149LDES573XQLA1 reliable?
The price and inventory of CY8C4149LDES573XQLA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4149LDES573XQLA1 is usually 5 days.
3.What payment methods are accepted for CY8C4149LDES573XQLA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4149LDES573XQLA1 transactions.
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CY8C4149LDES573XQLA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4149LDES573XQLA1 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 CY8C4149LDES573XQLA1?
For technical support, including CY8C4149LDES573XQLA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4149LDES573XQLA1 requirements.
6.How does Aetrix verify that CY8C4149LDES573XQLA1 is sourced from the original manufacturer or authorized distributors?
All CY8C4149LDES573XQLA1 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 CY8C4149LDES573XQLA1 meets industry standards.
7.What is the process for return or replacement of CY8C4149LDES573XQLA1?
All CY8C4149LDES573XQLA1 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4149LDES573XQLA1, 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 CY8C4149LDES573XQLA1 part is unused and in its original packaging.
Return procedure for CY8C4149LDES573XQLA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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