CY8C4146LQE-S273T

Overview

The Infineon CY8C4146LQE-S273T is an automotive-grade microcontroller belonging to the PSoC™ 4100S Plus family. It integrates a 48-MHz Arm® Cortex®-M0+ CPU with up to 128 KB of flash memory and 16 KB of SRAM. The device features programmable analog blocks, including a 12-bit SAR ADC, two opamps, and low-power comparators. It supports capacitive sensing via CAPSENCE™ technology and includes five serial communication blocks (SCBs) and eight TCPWM modules. Operating within a voltage range of 1.71 V to 5.5 V, it meets AEC-Q100 standards for automotive applications.

Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle environments.
• Reconfigurable analog and digital architecture allowing custom peripheral creation and flexible system design.
• Integrated CAPSENSE™ technology providing robust capacitive touch sensing with automatic hardware tuning.
• Low-power operation capabilities including Deep Sleep mode with operational analog blocks and minimal digital current consumption.

Applications

• Automotive body electronics and control systems
• Capacitive touch interface controllers
• LCD segment drive applications
• General-purpose industrial control requiring programmable logic

Procurement Notes

Verify the specific package type and temperature grade corresponding to the suffix against the official datasheet ordering information. Confirm that the reel packaging matches the required manufacturing process. Ensure compliance with RoHS directives and check for any specific automotive quality certifications required by the end application before finalizing procurement.

Selection Notes

Select this component when designing automotive systems requiring high integration of analog and digital functions. The PSoC™ 4100S Plus offers flexibility through programmable blocks, reducing bill-of-materials count. Consider the available GPIO count and memory size relative to application requirements. Evaluate the need for specific interfaces like CAN or LIN slave functionality supported by the SCB modules.

Part Context

This part belongs to the Infineon PSoC™ 4100S Plus series, designed for scalable embedded control. It combines standard MCU peripherals with programmable analog and digital blocks. The family targets cost-sensitive, high-volume applications requiring reconfigurability and robust performance in demanding environments.

Replacement Considerations

Check for upward compatibility with other PSoC™ 4 members for new applications. Verify pinout and register compatibility if substituting within the same family. Consult the datasheet for specific differences in memory size or peripheral counts between variants.