CYAT82687-100AA54

Overview

The CYAT82687-100AA54 is a capacitive touchscreen controller from Infineon Technologies, part of the TrueTouch family. It features an ARM Cortex CPU and supports I2C and SPI interfaces. The device operates within a voltage range of 1.71 V to 5.5 V, with a maximum operating current of 20 mA. It offers 32-bit resolution and includes four ADC inputs. Designed for automotive environments, it functions between -40°C and +105°C. The component is housed in a TQFP-100 package.

Feature Summary

• Integrates an ARM Cortex CPU for on-chip touch and acoustic feedback processing.
• Supports both I2C and SPI communication protocols for system integration.
• Includes four dedicated ADC inputs for enhanced sensing capabilities.

Applications

• Automotive infotainment systems
• In-vehicle touchscreen displays
• Capacitive user interface solutions

Procurement Notes

Verify the specific suffix AA54 against official Infineon documentation to confirm pinout and electrical characteristics. Ensure compatibility with automotive temperature ranges (-40°C to +105°C) and voltage requirements (1.71V–5.5V). Confirm that the TQFP-100 package matches the target PCB footprint. Check for AEC-Q100 qualification status if required for the specific application environment.

Selection Notes

Select this controller for applications requiring integrated processing of touch and acoustic signals. The inclusion of an ARM Cortex CPU allows for complex gesture recognition and haptic feedback control without external microcontrollers. Consider the 32-bit resolution and four ADC inputs for high-sensitivity touch panels. Verify interface compatibility with the host system's I2C or SPI lines.

Part Context

This component belongs to the CYAT82687 series, designed for automotive-grade capacitive touch applications. It utilizes the TrueTouch technology platform, emphasizing robust performance in vehicle environments. The series integrates sensing and processing capabilities into a single chip, reducing system complexity compared to discrete solutions.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided data. Consult Infineon's official obsolescence notices or cross-reference tools for verified alternatives. Ensure any replacement maintains the same package type and automotive qualification standards.