Infineon Technologies CY8C4147LDSS553XQLA1

Overview

CY8C4147LDSS553XQLA1 from Infineon is an AEC-Q100 Grade-S (–40°C to +105°C) automotive-qualified PSoC™ 4100S Max microcontroller based on a 48-MHz Arm® Cortex®-M0+ CPU, featuring 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. It targets body control modules and in-vehicle human-machine interface systems requiring robust capacitive touch and real-time motor control.

For engineers reviewing the CY8C4147LDSS553XQLA1 datasheet, CY8C4147LDSS553XQLA1 pinout, CY8C4147LDSS553XQLA1 application, or CY8C4147LDSS553XQLA1 equivalent, this page delivers verified technical context, validated pin functions, confirmed automotive-grade operating margins, and documented alternative selection guidance for ECU and HMI design.

Technical Context

The device integrates a single-layer AHB-Lite interconnect linking the Cortex-M0+ core, 8x TCPWM blocks with comparator-triggered kill signals for motor safety, and five reconfigurable Serial Communication Blocks supporting I²C/SPI/UART/LIN Slave modes. Its analog subsystem includes two opamps operable in Deep Sleep mode and a dedicated MSC block enabling hardware-accelerated CAPSENSE™ with SmartSense auto-tuning.

Clock architecture combines a 4–33 MHz ECO with PLL for 48-MHz system clock, a 32-kHz WCO for RTC, and ±2% IMO for fast wake-up. The CAN FD controller supports ISO 11898-1:2015 compliant operation up to 5 Mbps with flexible message filtering and FIFO buffering.

Key Specifications

Pinout & Package

Package: 100-pin TQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, wettable flank option enabled for automated optical inspection.

Key Features

Applications

Equivalent & Alternatives

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

Compared with S32K144HAT0MLHT and RH850/F1L, CY8C4147LDSS553XQLA1 uniquely integrates CAPSENSE™ MSC, programmable analog, and Smart I/O in a single AEC-Q100 Grade-S package-reducing component count and layout complexity for HMI and body electronics where mixed-signal integration is critical.

Availability

CY8C4147LDSS553XQLA1 is available at Aetrix Electronics and suitable for body control modules, instrument cluster HMIs, electric power steering sensor interfaces, and automotive gateway nodes requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for CY8C4147LDSS553XQLA1 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 ICs, and security solutions, with global R&D and manufacturing infrastructure.

CY8C4147LDSS553XQLA1 belongs to the PSoC™ 4100S Max product line, designed specifically for automotive body electronics and human-machine interface applications requiring AEC-Q100 qualification, integrated mixed-signal programmability, and CAN FD connectivity.

FAQ

What is the maximum operating frequency of the Arm® Cortex®-M0+ core in CY8C4147LDSS553XQLA1?

The Arm® Cortex®-M0+ core operates at a maximum frequency of 48 MHz, achieved via the internal PLL locked to an external 4–33 MHz crystal oscillator. This frequency is fully supported across the –40°C to +105°C operating range and enables deterministic interrupt response times under AEC-Q100 Grade-S conditions.

Does CY8C4147LDSS553XQLA1 support hardware-based cryptographic operations?

Yes - it includes a dedicated cryptography accelerator supporting AES-128/256 encryption/decryption, SHA-1/256 hashing, true random number generation (TRNG), and CRC computation. These functions execute independently of the CPU, enabling secure boot validation and OTA firmware signature checking without performance penalty.

Can the SAR ADC perform simultaneous sampling across multiple channels?

No - the 12-bit SAR ADC uses a single conversion engine with a channel sequencer and hardware averaging. It supports rapid sequential sampling (up to 1 Msps aggregate) but does not implement true simultaneous sampling across independent ADC cores. Channel sequencing is fully programmable and can be triggered by TCPWM events or timers.

Is the CAN FD interface compatible with classical CAN networks?

Yes - the CAN FD controller supports Classical CAN (ISO 11898-1:2003) frame format at up to 1 Mbps and CAN FD (ISO 11898-1:2015) at up to 5 Mbps. It includes bit-rate switching, flexible data-length fields (up to 64 bytes), and backward-compatible arbitration-phase timing for seamless integration into mixed CAN/CAN FD networks.