Infineon Technologies CY8C4149AZES585XQLA1

Overview

CY8C4149AZES585XQLA1 from Infineon is an AEC-Q100 Grade-S (–40°C to +105°C) automotive-qualified 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), and multi-sense capacitive sensing (MSC) with >5:1 SNR. It serves as a reconfigurable system-on-chip for body control modules requiring mixed-signal integration, real-time motor PWM control, and secure in-vehicle communication.

For engineers reviewing the CY8C4149AZES585XQLA1 datasheet, CY8C4149AZES585XQLA1 pinout, CY8C4149AZES585XQLA1 application, or CY8C4149AZES585XQLA1 equivalent, this page delivers verified package mapping (100-pin TQFP), confirmed CAN FD timing behavior, validated Deep Sleep current (2.5 µA), MSC hardware tuning capability, and GPIO-configurable analog/digital/CAPSENSE™ routing - all critical for automotive ECU design validation.

Technical Context

The device implements a single-layer AHB-Lite interconnect linking the Cortex-M0+ core, 5 reconfigurable Serial Communication Blocks (SCBs), and dedicated CAN FD controller with protocol-aware arbitration and bit-rate switching support. Its programmable analog subsystem includes two CTBm opamps with Deep Sleep operation and SAR ADC input buffering, enabling simultaneous low-power sensing and signal conditioning.

Digital flexibility is provided by eight 16-bit TCPWM blocks supporting center-aligned PWM, quadrature decoding, and comparator-triggered kill signals - essential for motor drive safety logic. The MSC block integrates hardware-accelerated SmartSense auto-tuning and water-tolerant capacitive sensing without host CPU intervention.

Key Specifications

Pinout & Package

Package: 100-pin TQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, lead-free, moisture sensitivity level 3 (MSL3).

Key Features

Applications

Equivalent & Alternatives

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

Compared with SPC560B50L5 and TC377TP-64F200N, CY8C4149AZES585XQLA1 uniquely balances AEC-Q100 Grade-S qualification, integrated CAN FD, and production-ready CAPSENSE™ - making it optimal for cost-sensitive, space-constrained body electronics where mixed-signal integration reduces total system BOM count.

Availability

CY8C4149AZES585XQLA1 is available at Aetrix Electronics and suitable for body control modules, door handle interfaces, climate control panels, and instrument cluster subsystems requiring stable component supply across automotive production lifecycles.

Supply support for CY8C4149AZES585XQLA1 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 centers and ISO/TS 16949-certified wafer fabs.

CY8C4149AZES585XQLA1 belongs to the PSoC™ 4100S Max product line, engineered specifically for AEC-Q100-compliant automotive body electronics demanding reconfigurable analog/digital peripherals, CAN FD connectivity, and robust capacitive human-machine interface.

FAQ

What is the maximum operating frequency of the Arm® Cortex®-M0+ core in CY8C4149AZES585XQLA1?

The Arm® Cortex®-M0+ core operates at a maximum frequency of 48 MHz, achieved via the internal main oscillator (IMO) or PLL-locked external crystal oscillator (ECO). This frequency is guaranteed across the full Grade-S temperature range (–40°C to +105°C) and meets AEC-Q100 transient voltage and thermal cycling requirements.

Does CY8C4149AZES585XQLA1 support CAN FD with bit-rate switching?

Yes, the integrated CAN FD block supports bit-rate switching between nominal and data phases, with configurable data rates up to 5 Mbps. Hardware handles protocol-level arbitration, CRC computation, and error confinement - eliminating need for software stack overhead in time-critical automotive messaging.

How many GPIO pins can be used simultaneously for CAPSENSE™ sensing?

All 84 GPIO pins are CAPSENSE™-capable, and up to 64 electrodes can be scanned concurrently using the MSC block's hardware sequencer. Electrode count is limited by physical layout and mutual capacitance, not firmware - enabling large-area touchpads or multi-zone door handles without external controllers.

Is the 12-bit SAR ADC capable of differential input mode with hardware averaging?

Yes, the 12-bit SAR ADC supports true differential input mode with programmable gain and hardware-based signal averaging across up to 64 samples per conversion. This provides effective resolution beyond 12 bits for low-noise sensor measurements such as thermistor or bridge-based pressure sensing in automotive environments.