CYAT82687-100AA31

Touch Screen Controllers Overview

The CYAT82687-100AA31 is a capacitive touchscreen controller from Infineon Technologies, part of the TrueTouch Automotive Multitouch generation 7L series. It features an ARM Cortex CPU and supports I2C and SPI interfaces. The device operates on a supply voltage range of 1.71 V to 5.5 V with a maximum current consumption of 20 mA. It offers 32-bit resolution and includes four ADC inputs. The component is housed in a TQFP-100 package (14x14 mm) and is designed for surface mount installation. It functions within a temperature range of -40°C to +105°C and holds AEC-Q100 qualification for automotive applications.

Touch Screen Controllers Feature Summary

• Integrated ARM Cortex CPU architecture for efficient processing of touch data
• Supports both I2C and SPI communication protocols for flexible system integration
• AEC-Q100 qualified for reliability in demanding automotive environments
• Capacitive sensing technology enabling accurate multitouch interaction

Touch Screen Controllers Applications

• Automotive infotainment systems requiring robust touch input
• In-vehicle display controllers needing high reliability
• Multitouch interface implementations in automotive dashboards
• Capacitive sensor signal processing in automotive electronics

Touch Screen Controllers Procurement Notes

Verify the specific suffix AA31 against the official Infineon datasheet to confirm package type and tape/reel specifications. Ensure compatibility with the target PCB footprint for the TQFP-100 package. Confirm that the operating voltage requirements align with the system design constraints. Check for any specific ordering restrictions or minimum order quantities defined by the manufacturer or authorized distributors. Validate that the component meets the required automotive quality standards for the intended application.

Touch Screen Controllers Selection Notes

Select this controller when an integrated solution with an embedded processor is required for automotive touchscreen applications. Consider the dual interface support if system flexibility between I2C and SPI is needed. Evaluate the power consumption profile against battery-operated or low-power system requirements. Assess the thermal performance capabilities given the wide operating temperature range. Compare the pin count and package size against available board space constraints.

Touch Screen Controllers Part Context

This component belongs to the CYAT8268x family of TrueTouch Automotive Multitouch controllers. These devices are designed specifically for the automotive sector, offering enhanced durability and performance compared to consumer-grade counterparts. The series integrates advanced signal processing algorithms to handle noise and interference common in vehicle environments. It represents a generation of controllers optimized for complex user interfaces in modern vehicles.

Touch Screen Controllers Replacement Considerations

Consult the official Infineon product selection guide for direct replacements within the CYAT8268x series. Verify pin-to-pin compatibility if substituting with other variants like CYAT82687-100AS39. Ensure that any alternative part maintains the same AEC-Q100 qualification level. Check for differences in firmware support or development tools associated with different suffixes.