CYAT81689-100AS71Z

Touch Screen Controllers Overview

The CYAT81689-100AS71Z is a capacitive touchscreen controller from Infineon Technologies, part of the PSoC™ Automotive TSG6_XL family. It integrates a 32-bit ARM® Cortex® CPU and supports up to 61 sensor pins for advanced human-machine interface applications. The device features Generation 6XL TrueTouch technology, enabling robust performance with thick overlays and gloves. It operates within a supply voltage range of 1.71 V to 5.5 V and supports I2C and SPI interfaces. Designed for automotive environments, it functions reliably between -40°C and +105°C in a 100-pin TQFP package.

Touch Screen Controllers Feature Summary

• Generates gestures and supports up to 10 simultaneous touch points
• Compatible with thick overlays, thick gloves, and waterproof conditions
• Integrates low-power wake-up capabilities for energy efficiency
• Includes display armor functionality to reduce electromagnetic interference

Touch Screen Controllers Applications

• Automotive infotainment systems requiring multi-touch input
• Smart sensing interfaces in vehicle dashboards
• General-purpose human-machine interface (HMI) panels

Touch Screen Controllers Procurement Notes

Verify the specific suffix 'AS71Z' against official Infineon documentation to confirm packaging quantity and tape-and-reel specifications. Ensure compliance with RoHS directives and lead-free requirements as stated in the current datasheet version. Cross-reference the active status and preferred designation before finalizing procurement plans.

Touch Screen Controllers Selection Notes

Select this component when designing for automotive-grade capacitive touch applications requiring high noise immunity and glove operation. The 100-pin TQFP package suits designs needing up to 61 sensor channels. Confirm that the system power supply aligns with the 1.71 V to 5.5 V operating range and that thermal management supports the +105°C maximum junction temperature.

Touch Screen Controllers Part Context

This model belongs to the CYAT8168X series, which represents the PSoC™ Automotive Multitouch Generation 6XL line. These controllers are optimized for complex HMI tasks in vehicles, combining touch sensing with processing capabilities on a single chip. The series supports various overlay thicknesses and environmental challenges common in automotive interiors.

Touch Screen Controllers Replacement Considerations

Check for direct substitutes within the CYAT8168X family, such as CYAT81689-100AA61Z or CYAT81689-100AS77Z, ensuring pin compatibility and feature parity. Verify that any alternative maintains the same automotive qualification level and package dimensions.