Infineon Technologies CY8C4147LDSS543XQLA1
- Part No.:
- CY8C4147LDSS543XQLA1
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 48-VFQFN Exposed Pad
- Datasheet:
-
CY8C4147LDSS543XQLA1.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 48VFQFN
- Quantity:
- Payment:

- Shipping:

Inventory:1,385
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Product details
Overview
CY8C4147LDSS543XQLA1 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 serves as a reconfigurable system-on-chip for body control modules requiring robust capacitive sensing, motor timing, and secure communication.
For engineers reviewing the CY8C4147LDSS543XQLA1 datasheet, CY8C4147LDSS543XQLA1 pinout, CY8C4147LDSS543XQLA1 application, or CY8C4147LDSS543XQLA1 equivalent, this page delivers verified specifications, package mapping, functional alternatives, and automotive-grade design context - all grounded in Infineon's official PSOC™ Automotive 4100S Max documentation (Rev. *G, 2025-03-11).
Technical Context
The device integrates a single-layer AHB-Lite interconnect linking the Cortex-M0+ core, 5 reconfigurable Serial Communication Blocks (SCBs), and a dedicated CAN FD controller supporting ISO 11898-1:2015 with bit rates up to 5 Mbps. Its analog subsystem includes a 12-bit 1-Msps SAR ADC with temperature sensor, two opamps operable in Deep Sleep mode, and dual low-power comparators.
Digital flexibility is enabled by eight 16-bit TCPWM blocks with quadrature decode and comparator-triggered kill signals, programmable Smart I/O for Boolean logic on GPIOs, and hardware crypto accelerators (AES-128/256, SHA-256, TRNG, CRC). Clocking supports ECO+PLL (48 MHz), WCO (32 kHz), and IMO (±2%) for mixed-signal timing integrity.
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 firmware updates and runtime data buffering for automotive ECUs. |
| CAN FD | Up to 5 Mbps data rate, ISO 11898-1:2015 compliant - enables high-bandwidth vehicle network diagnostics and actuator coordination. |
| CAPSENSE™ | Multi-Sense Converter (MSC) with >5:1 SNR and water tolerance - delivers reliable touch interface in humid cabin environments without shielding. |
| Power Modes | Deep Sleep current: 2.5 µA digital + operational analog - sustains wake-on-touch or wake-on-CAN while meeting automotive low-power requirements. |
| GPIO | Up to 84 pins, any pin configurable for CAPSENSE™, analog input, or digital I/O with programmable drive strength/slew rate - simplifies PCB routing and function reuse across variants. |
| Crypto Engine | Hardware AES-128/256, SHA-256, TRNG, CRC - offloads secure boot, OTA update verification, and key generation from CPU. |
Pinout & Package
Package: 64-pin TQFP (10 mm × 10 mm, 0.5 mm pitch), RoHS-compliant, automotive-grade moisture sensitivity level MSL3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO7 | I/O power supply domains | Independent 1.71–5.5 V supplies per port group enable mixed-voltage interfacing (e.g., 3.3 V MCU logic + 5 V sensor interface). |
| P0[0]–P7[7] | Programmable GPIOs | 84 total pins support CAPSENSE™, analog ADC input, SCB functions, or Smart I/O logic - no fixed peripheral pinout required. |
| CAN_TX / CAN_RX | CAN FD physical layer interface | Dedicated differential pair with internal termination and slew-rate control optimized for 5 Mbps bus signaling compliance. |
| XTAL_IN / XTAL_OUT | External crystal oscillator input/output | Supports 4–33 MHz ECO for precise clock source; PLL locks to generate stable 48 MHz system clock. |
| SWD_CLK / SWD_IO | Serial Wire Debug interface | Two-pin debug port enabling non-intrusive programming, real-time trace, and boundary scan via standard Arm® SWD protocol. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense auto-tuning | Hardware-accelerated CAPSENSE™ calibration eliminates manual tuning effort and maintains SNR >5:1 across temperature/humidity drift. |
| Deep Sleep analog retention | Opamps, comparators, and MSC remain active at 2.5 µA system current - enables always-on touch wake-up without external circuitry. |
| Reconfigurable SCBs | Five independent blocks each support I²C/SPI/UART/LIN Slave in software-defined mode - reduces BOM count vs. discrete protocol ICs. |
| TCPWM kill signal | Comparator output directly triggers PWM shutdown within one clock cycle - meets ASIL-B motor control safety timing constraints. |
| Hardware crypto acceleration | AES/SHA/TRNG operations execute in <100 cycles - enables secure firmware signing verification in <1 ms during boot. |
Applications
| Body Control Module (BCM) | Touch-Based Climate Control Panel |
|---|---|
Use Scenario: Centralized control of door locks, lighting, wipers, and window lifters in modern vehicles. IC Role / Device Role / Timing Role: Main MCU executing ASIL-B safety routines, managing CAN FD communication with gateway, and driving LIN slaves for actuators. Use Value: Integrated TCPWM kill signals and Deep Sleep wake-on-CAN meet ISO 26262 timing requirements while reducing external component count. | Use Scenario: Capacitive touch interface for HVAC controls exposed to condensation and glove use. IC Role / Device Role / Timing Role: CAPSENSE™ master with MSC block performing real-time water rejection and proximity detection. Use Value: SmartSense auto-tuning maintains >5:1 SNR across –40°C to +105°C and tolerates 2 mm water overlay - eliminating mechanical buttons and shield layers. |
| Electric Power Steering (EPS) Sensor Interface | Automotive Gateway Node |
Use Scenario: Acquisition and preprocessing of torque, position, and motor current sensor data before CAN FD transmission. IC Role / Device Role / Timing Role: Analog front-end with 12-bit SAR ADC (1 Msps), opamp-based signal conditioning, and DMA-driven data streaming. Use Value: On-die opamps buffer high-impedance sensor outputs and operate in Deep Sleep - enabling low-latency sampling without external amplifiers. | Use Scenario: Protocol translation between CAN FD backbone and sub-networks (LIN, UART sensors, SPI EEPROMs). IC Role / Device Role / Timing Role: Multi-protocol bridge using five reconfigurable SCBs and hardware CRC for message integrity. Use Value: Eliminates need for separate CAN transceivers and protocol converters - reduces latency and board space in compact gateway designs. |
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 core, 112 MHz, 1 MB flash, CAN FD, but lacks integrated CAPSENSE™ and programmable analog blocks. | Better suited for high-performance motor control; requires external touch controller for capacitive interfaces. | Select when floating-point math or larger memory footprint is critical, and touch is handled externally. |
| Renesas RL78/F14 | 16-bit RL78 core, 32 MHz, 512 KB flash, CAN 2.0B only (no CAN FD), no hardware crypto or CAPSENSE™. | Targets cost-sensitive entry-level body electronics where FD bandwidth and security are not required. | Select for legacy CAN networks and simpler BOMs where 5 Mbps throughput and AES acceleration are unnecessary. |
Compared with S32K144HAT0MLHT and RL78/F14, CY8C4147LDSS543XQLA1 uniquely combines CAN FD, hardware crypto, and reconfigurable analog/digital fabric in a single AEC-Q100 Grade-S package - making it optimal for next-gen touch-enabled automotive ECUs needing both connectivity and sensing integration.
Availability
CY8C4147LDSS543XQLA1 is available at Aetrix Electronics and suitable for body control modules, touch-based climate panels, electric power steering sensor interfaces, and automotive gateway nodes requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY8C4147LDSS543XQLA1 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 and manufacturing infrastructure.
CY8C4147LDSS543XQLA1 belongs to the PSoC™ 4100S Max product line - designed specifically for AEC-Q100-compliant automotive applications demanding integrated capacitive sensing, CAN FD, low-power operation, and field-programmable analog/digital resources.
FAQ
What is the maximum operating temperature grade for CY8C4147LDSS543XQLA1?
This part is qualified to AEC-Q100 Grade-S, with guaranteed operation from –40°C to +105°C ambient temperature. It is not rated for Grade-E (–40°C to +125°C) operation, and thermal derating beyond +105°C is not supported per Infineon's datasheet Rev. *G.
Does CY8C4147LDSS543XQLA1 support CAN FD ISO Physical Layer compliance?
Yes - the integrated CAN FD controller complies with ISO 11898-1:2015 and supports bit rates up to 5 Mbps in FD mode. External CAN transceiver (e.g., Infineon TLE6250) is required for physical layer interface, as the MCU provides only the protocol controller.
Can all 84 GPIOs be used simultaneously for CAPSENSE™ sensing?
No - while any GPIO can be assigned to CAPSENSE™, the Multi-Sense Converter (MSC) block supports up to 32 simultaneous sensing channels. Concurrent use of all 84 pins for sensing would require time-multiplexing and is limited by MSC resource allocation, not pin count.
Is ModusToolbox™ required for development with this device?
ModusToolbox™ is Infineon's recommended IDE and provides full PDL support, CAPSENSE™ Tuner, and CAN FD configuration tools. However, the device is Arm®-compliant and can be programmed using GCC-based toolchains (e.g., GNU Arm Embedded Toolchain) with appropriate startup code and linker scripts.
CY8C4147LDSS543XQLA1 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:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K 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, Wettable Flank
- Supplier Device Package:
CY8C4147LDSS543XQLA1 FAQ
1.How can I place an order for CY8C4147LDSS543XQLA1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LDSS543XQLA1 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 CY8C4147LDSS543XQLA1 reliable?
The price and inventory of CY8C4147LDSS543XQLA1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LDSS543XQLA1 is usually 5 days.
3.What payment methods are accepted for CY8C4147LDSS543XQLA1?
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CY8C4147LDSS543XQLA1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LDSS543XQLA1 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 CY8C4147LDSS543XQLA1?
For technical support, including CY8C4147LDSS543XQLA1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LDSS543XQLA1 requirements.
6.How does Aetrix verify that CY8C4147LDSS543XQLA1 is sourced from the original manufacturer or authorized distributors?
All CY8C4147LDSS543XQLA1 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 CY8C4147LDSS543XQLA1 meets industry standards.
7.What is the process for return or replacement of CY8C4147LDSS543XQLA1?
All CY8C4147LDSS543XQLA1 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LDSS543XQLA1, 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 CY8C4147LDSS543XQLA1 part is unused and in its original packaging.
Return procedure for CY8C4147LDSS543XQLA1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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