Infineon Technologies CY8C4147LDAS543XQLA1

Overview

CY8C4147LDAS543XQLA1 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 running at 48 MHz, featuring 384 KB flash, 32 KB SRAM, CAN FD up to 5 Mbps, 12-bit 1-Msps SAR ADC, and integrated CAPSENSE™ with SmartSense auto-tuning. It targets body control modules requiring robust capacitive touch, motor PWM control, and LIN/CAN communication.

For engineers reviewing the CY8C4147LDAS543XQLA1 datasheet, CY8C4147LDAS543XQLA1 pinout, CY8C4147LDAS543XQLA1 application, or CY8C4147LDAS543XQLA1 equivalent, key selection considerations include CAN FD timing compliance, Deep Sleep current (2.5 µA), GPIO analog/digital reconfigurability, and MSC SNR (>5:1) for wet-environment touch interfaces.

Technical Context

The device integrates a single-layer AHB-Lite interconnect linking the Cortex-M0+ core, 5 reconfigurable Serial Communication Blocks (SCBs), and 8 TCPWM blocks supporting center-aligned PWM and quadrature decoding. Its analog subsystem includes two opamps with Deep Sleep operation, programmable CTBm blocks, and a dedicated Multi-Sense Converter (MSC) optimized for high-SNR capacitive sensing.

Digital flexibility is enabled by Smart I/O logic for Boolean port-level operations and hardware-accelerated cryptography (AES, SHA, TRNG). Clocking combines ECO+PLL (48 MHz), WCO (32 kHz), and ±2% IMO, enabling precise timing for CAN FD bit-rate generation and motor control loop synchronization.

Key Specifications

Pinout & Package

Package: 100-pin TQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, automotive-grade moisture sensitivity level MSL3.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar automotive microcontroller applications.

Compared with S32K144HAT0MLHT and RL78/F14, CY8C4147LDAS543XQLA1 uniquely delivers CAPSENSE™ SmartSense, integrated LCD drive, and CAN FD at 48 MHz M0+ efficiency-making it optimal for touch-centric, space-constrained automotive HMI nodes requiring AEC-Q100 Grade-S reliability.

Availability

CY8C4147LDAS543XQLA1 is available at Aetrix Electronics and suitable for body control modules, instrument cluster interfaces, electric power steering sensor hubs, and automotive HVAC control units requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for CY8C4147LDAS543XQLA1 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.

CY8C4147LDAS543XQLA1 belongs to the PSoC™ 4100S Max product line, designed specifically for AEC-Q100-compliant automotive human-machine interface and body electronics applications demanding reconfigurable analog/digital peripherals and ultra-low-power operation.

FAQ

What is the maximum operating frequency of the Arm® Cortex®-M0+ core in CY8C4147LDAS543XQLA1?

The Arm® Cortex®-M0+ core operates at a maximum frequency of 48 MHz, achieved using the internal main oscillator (IMO) with PLL multiplication or an external crystal oscillator (ECO) with PLL. This frequency is fully supported across the full Grade-S temperature range (–40°C to +105°C) and is validated for CAN FD bit timing accuracy per ISO 11898-1:2015.

Does CY8C4147LDAS543XQLA1 support hardware-based CAN FD error handling and CRC calculation?

Yes, the integrated CAN FD block includes dedicated hardware CRC computation and error confinement logic that operates independently of the CPU. It supports FD frame payloads up to 64 bytes, bit rates up to 5 Mbps, and automatic retransmission of frames with detected errors, reducing software overhead by ~35% compared to software-based CRC implementations.

Can all GPIO pins be used simultaneously for CAPSENSE™, analog input, and digital output functions?

No - while any GPIO pin can be configured for CAPSENSE™, analog input, or digital I/O, concurrent use is constrained by analog routing resources and port-specific peripheral mappings. For example, P0[0]–P0[3] support MSC sense lines and SAR ADC inputs, but only designated pins (e.g., P1[0]/P1[1]) provide dedicated LCD segment drive capability without multiplexing conflict.

What debug interface does CY8C4147LDAS543XQLA1 use, and is external hardware required?

CY8C4147LDAS543XQLA1 uses ARM Serial Wire Debug (SWD) via dedicated SWDIO and SWCLK pins. No external JTAG adapter is required; standard CMSIS-DAP debug probes (e.g., KitProg3, SEGGER J-Link) connect directly. The on-chip debug module supports full breakpoint, watchpoint, and memory access capabilities without consuming GPIO resources or flash space.