Infineon Technologies CY8C4149LDAS583XQLA1

Overview

CY8C4149LDAS583XQLA1 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 secure communication.

For engineers reviewing the CY8C4149LDAS583XQLA1 datasheet, CY8C4149LDAS583XQLA1 pinout, CY8C4149LDAS583XQLA1 application, or CY8C4149LDAS583XQLA1 equivalent, this page delivers verified technical context, validated pin functions, real-world use cases in automotive systems, and confirmed alternative parts with documented functional differences.

Technical Context

The device integrates a 48-MHz Arm® Cortex®-M0+ core with dual-clock domain support (IMO ±2%, WCO 32 kHz, ECO 4–33 MHz with PLL), enabling precise timing for CAN FD and TCPWM-based motor control. Its programmable analog subsystem includes two opamps operable in Deep Sleep mode and a temperature-sensor-integrated SAR ADC with differential input and channel sequencer.

Digital flexibility is delivered via five reconfigurable Serial Communication Blocks (SCBs) supporting I²C/SPI/UART/LIN, eight 16-bit TCPWM blocks with quadrature decode and comparator-triggered kill signals, and hardware crypto accelerators for AES, SHA, TRNG, and CRC - all coordinated through a single-layer AHB-Lite interconnect and NVIC-based interrupt routing.

Key Specifications

Pinout & Package

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

Key Features

Applications

Equivalent & Alternatives

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

Compared with S32K144W and RL78/F14, CY8C4149LDAS583XQLA1 uniquely combines automotive-grade programmable analog (opamps, MSC), hardware crypto, and CAPSENSE™ in a single M0+ platform - making it optimal for feature-rich human-machine interface (HMI) nodes where integration density and touch reliability are design priorities.

Availability

CY8C4149LDAS583XQLA1 is available at Aetrix Electronics and suitable for body control modules, instrument clusters, motorized seat controllers, and roof modules requiring stable component supply across automotive production lifecycles.

Supply support for CY8C4149LDAS583XQLA1 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.

CY8C4149LDAS583XQLA1 belongs to the PSoC™ 4100S Max product line, designed specifically for automotive body electronics requiring integrated capacitive sensing, motor control, secure communication, and AEC-Q100 Grade-S operation.

FAQ

What is the maximum operating frequency of the Arm® Cortex®-M0+ core in CY8C4149LDAS583XQLA1?

The Arm® Cortex®-M0+ core operates at a maximum frequency of 48 MHz, achieved via the internal main oscillator (IMO) or an external crystal oscillator (ECO) with integrated PLL. This frequency is fully supported across the entire Grade-S temperature range (–40°C to +105°C) and is validated for AEC-Q100 compliance.

Does CY8C4149LDAS583XQLA1 support CAN FD without an external transceiver?

CY8C4149LDAS583XQLA1 integrates a CAN FD controller with dedicated TX/RX signal pins and internal bus termination, but requires an external CAN FD transceiver (e.g., Infineon TLE9251VS) for physical layer compliance and ESD protection. The internal logic handles protocol framing, bit timing, and error handling up to 5 Mbps.

How many CAPSENSE™ buttons can be implemented using the MSC block?

The Multi-Sense Converter (MSC) block supports up to 64 capacitive sensing channels, enabling implementation of 64 independent buttons, sliders, or proximity sensors. Channel count is limited only by available GPIO pins and layout constraints - all 84 GPIOs are CAPSENSE™-capable with hardware-accelerated SmartSense tuning.

Is the 12-bit SAR ADC capable of simultaneous sampling across multiple channels?

No, the 12-bit SAR ADC does not support true simultaneous sampling. It uses a channel sequencer with programmable sample-and-hold timing, allowing rapid sequential acquisition across up to 16 channels with hardware-triggered averaging. For synchronized multi-channel capture, external analog multiplexing or external ADCs are required.