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Infineon Technologies CY8C4149LDES543XQLA1
- Part No.:
- CY8C4149LDES543XQLA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
CY8C4149LDES543XQLA1.pdf
- Description:
- IC MCU 32BIT 384KB FLASH 48VFQFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,283
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Product details
Overview
CY8C4149LDES543XQLA1 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, two programmable opamps, and multi-sense capacitive sensing (MSC) with >5:1 SNR - deployed in body control modules and infotainment human-machine interface subsystems.
For engineers reviewing the CY8C4149LDES543XQLA1 datasheet, CY8C4149LDES543XQLA1 pinout, CY8C4149LDES543XQLA1 application, or CY8C4149LDES543XQLA1 equivalent, key selection criteria include CAN FD timing compliance, Deep Sleep current (2.5 µA), CAPSENSE™ water tolerance, TCPWM quadrature decoding, and ModusToolbox™ API support for rapid firmware development.
Technical Context
The device implements a dual-clock domain architecture: a high-speed 48-MHz domain driven by PLL+ECO or IMO, and a low-power domain anchored by ILO/WCO for Deep Sleep operation. Its analog subsystem integrates SAR ADC with built-in temperature sensor, CTBm opamps supporting external high-drive and internal high-bandwidth modes, and LP comparators that remain active during Deep Sleep.
Digital resources include five reconfigurable SCBs (I²C/SPI/UART/LIN), eight 16-bit TCPWM blocks with comparator-triggered kill signals for motor safety, and a dedicated CAN FD controller compliant with ISO 11898-1:2015 supporting data rates up to 5 Mbps and payload lengths up to 64 bytes.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - enables real-time deterministic 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 runtime data buffering. |
| CAN FD Interface | Up to 5 Mbps data rate, ISO 11898-1:2015 compliant - meets high-bandwidth vehicle network requirements for ADAS sensor fusion and gateway routing. |
| SAR ADC | 12-bit, 1-Msps, differential/single-ended, channel sequencer with signal averaging - delivers precise sensor acquisition for battery monitoring and thermal management. |
| Deep Sleep Current | 2.5 µA digital system current - enables always-on wake-on-event functionality in door modules and seat occupancy detection. |
| CAPSENSE™ MSC | Multi-sense converter with >5:1 SNR and automatic SmartSense tuning - provides robust touch control under wet conditions in center console interfaces. |
| GPIO Count | Up to 84 programmable pins across packages - allows flexible peripheral mapping and hardware reuse across vehicle platforms. |
| Operating Temp | Grade-S: –40°C to +105°C - qualified for under-hood and cabin-mounted automotive ECUs per AEC-Q100 Rev G. |
Pinout & Package
Package: 100-pin TQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, lead-free, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P0[0]–P0[7] | Port 0 GPIO bank | Supports CAPSENSE™, analog input (ADC/SAR), digital I/O, and SCB/I²C functions; configurable drive strength and slew rate. |
| P1[0]–P1[7] | Port 1 GPIO bank | Includes CAN FD TX/RX pins (P1[2]/P1[3]), TCPWM inputs, and LCD segment outputs - enables mixed-signal HMI integration. |
| P2[0]–P2[7] | Port 2 GPIO bank | Hosts ECO (P2[0]/P2[1]), WCO (P2[2]/P2[3]), and I2S master TX clock/data lines - critical for precision timing and audio subsystems. |
| VDDIO0–VDDIO3 | I/O power domains | Four independent 1.71–5.5 V supply rails allow voltage-level translation between CAN FD (5 V tolerant), LIN (12 V biased), and low-voltage sensors. |
| VDDD / VDDA | Digital/analog core supplies | Separate 1.71–5.5 V domains isolate noise-sensitive analog blocks (ADC, opamps) from digital switching transients. |
| XRES | External reset input | Active-low asynchronous reset with internal pull-up; compatible with automotive watchdog circuits and power sequencing controllers. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Cryptography Accelerator | AES-128/256, SHA-1/256, TRNG, CRC - enables secure boot, OTA firmware updates, and ECU authentication without CPU overhead. |
| Smart I/O Block | Programmable logic on GPIO paths performs Boolean operations (AND/OR/XOR) in hardware - offloads polling and debouncing from firmware. |
| Automatic CAPSENSE™ Tuning | SmartSense algorithm adjusts sensor parameters in real time - eliminates manual calibration for varying humidity, temperature, and overlay thickness. |
| Quadrature Decoder Support | Built into TCPWM blocks - directly interprets rotary encoder signals for HVAC actuator position feedback without external ICs. |
| LCD Segment Drive | Up to 48 segments driven directly from GPIOs - reduces BOM cost in instrument cluster and climate control displays. |
Applications
| Body Control Module (BCM) | Infotainment Touch Interface |
|---|---|
Use Scenario: Centralized control of door locks, window lifts, mirror adjustment, and interior lighting via CAN FD backbone. IC Role / Device Role / Timing Role: Main MCU executing real-time control tasks, managing CAN FD communication, and sampling analog sensor inputs (e.g., ambient light, temperature). Use Value: Deep Sleep mode (2.5 µA) enables always-on wake-on-keyfob RF signal; integrated opamps condition hall-effect sensor outputs for accurate position feedback. | Use Scenario: Capacitive touch panel for center console with water splash immunity and glove operation. IC Role / Device Role / Timing Role: CAPSENSE™ MSC controller with SmartSense auto-tuning and >5:1 SNR performance under wet conditions. Use Value: Eliminates external touch controller IC; MSC hardware handles baseline tracking and noise rejection, reducing firmware complexity and latency. |
| Automotive Gateway | HVAC Actuator Controller |
Use Scenario: Protocol translation between CAN FD (powertrain), LIN (sensors), and UART (diagnostic port) in compact gateway nodes. IC Role / Device Role / Timing Role: Multi-protocol bridge using five reconfigurable SCBs and hardware CRC acceleration for message integrity. Use Value: Single-chip solution replaces discrete protocol translators; SCB runtime reconfiguration allows field-upgradable interface assignments. | Use Scenario: Closed-loop control of blend-air and mode doors using stepper motors and potentiometer feedback. IC Role / Device Role / Timing Role: TCPWM quadrature decoder reads encoder position; SAR ADC measures potentiometer voltage; opamp buffers thermistor signal. Use Value: Integrated analog front-end and motor control peripherals reduce external components; 12-bit ADC resolution ensures <±1°C thermal accuracy. |
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; includes Ethernet MAC but no integrated CAPSENSE™ or MSC block. | Targets higher-performance gateway and ADAS pre-processing; lacks native capacitive sensing hardware. | Select when floating-point math, Ethernet, or ASIL-B functional safety certification is required. |
| Renesas RL78/F14 | 16-bit RL78 core, 32 MHz; supports CAN FD but lacks hardware cryptography accelerators and SmartSense tuning. | Focused on cost-sensitive body electronics; requires external components for robust touch or secure boot. | Select for legacy 16-bit migration paths where toolchain continuity and low BOM cost outweigh advanced analog integration. |
Compared with S32K144W and RL78/F14, CY8C4149LDES543XQLA1 uniquely combines CAN FD, CAPSENSE™ MSC, and hardware crypto in a single AEC-Q100 Grade-S package - optimizing for space-constrained, touch-enabled automotive ECUs requiring both connectivity and human interface integration.
Availability
CY8C4149LDES543XQLA1 is available at Aetrix Electronics and suitable for body control modules, infotainment touch interfaces, automotive gateways, and HVAC actuator controllers requiring stable component supply across automotive production lifecycles.
Supply support for CY8C4149LDES543XQLA1 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 solutions - serving Tier-1 suppliers and OEMs globally.
CY8C41xx PSoC™ 4100S Max is part of Infineon's automotive-qualified programmable system-on-chip platform, designed specifically for reconfigurable mixed-signal control in body electronics, HMI, and gateway applications demanding AEC-Q100 compliance and long-term supply stability.
FAQ
What is the maximum operating frequency of the Arm® Cortex®-M0+ core in CY8C4149LDES543XQLA1?
The Arm® Cortex®-M0+ core operates at a maximum frequency of 48 MHz, achieved via internal PLL multiplication of the 4–33 MHz external crystal oscillator (ECO) or using the ±2% internal main oscillator (IMO). This frequency is fully supported across all AEC-Q100 Grade-S temperature ranges (–40°C to +105°C) and enables deterministic real-time execution of automotive control algorithms.
Does CY8C4149LDES543XQLA1 support CAN FD with ISO 11898-1:2015 compliance?
Yes, the integrated CAN FD block complies with ISO 11898-1:2015 and supports data rates up to 5 Mbps, payloads up to 64 bytes, and error confinement mechanisms required for automotive networks. It includes dedicated message RAM, transmit/receive FIFOs, and bit-rate switching - validated for use in body control and gateway applications per Infineon's automotive qualification test reports.
How does the CAPSENSE™ Multi-Sense Converter (MSC) achieve water tolerance?
The MSC block achieves water tolerance through hardware-based shield electrode support, adaptive baseline tracking, and >5:1 signal-to-noise ratio (SNR) - enabled by simultaneous sensing of multiple electrodes and automatic SmartSense tuning. This allows reliable touch detection even with conductive water films up to 1 mm thick, as verified in Infineon's application note AN95995 for automotive interior HMI.
Is ModusToolbox™ required to develop firmware for CY8C4149LDES543XQLA1?
No, ModusToolbox™ is not mandatory but strongly recommended: it provides the Peripheral Driver Library (PDL), CAPSENSE™ Tuner GUI, and configuration tools that generate optimized C code for TCPWM, SCB, and MSC peripherals. Standalone Arm GCC or Keil MDK can be used, but require manual register-level initialization and lack SmartSense auto-tuning integration.
CY8C4149LDES543XQLA1 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:
- I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, DMA, 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:
CY8C4149LDES543XQLA1 FAQ
1.How can I place an order for CY8C4149LDES543XQLA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4149LDES543XQLA1 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 CY8C4149LDES543XQLA1 reliable?
The price and inventory of CY8C4149LDES543XQLA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4149LDES543XQLA1 is usually 5 days.
3.What payment methods are accepted for CY8C4149LDES543XQLA1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4149LDES543XQLA1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4149LDES543XQLA1?
CY8C4149LDES543XQLA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4149LDES543XQLA1 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 CY8C4149LDES543XQLA1?
For technical support, including CY8C4149LDES543XQLA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4149LDES543XQLA1 requirements.
6.How does Aetrix verify that CY8C4149LDES543XQLA1 is sourced from the original manufacturer or authorized distributors?
All CY8C4149LDES543XQLA1 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 CY8C4149LDES543XQLA1 meets industry standards.
7.What is the process for return or replacement of CY8C4149LDES543XQLA1?
All CY8C4149LDES543XQLA1 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4149LDES543XQLA1, 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 CY8C4149LDES543XQLA1 part is unused and in its original packaging.
Return procedure for CY8C4149LDES543XQLA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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