CYAT81689-128AS88Z

Touch Screen Controllers Overview

The CYAT81689-128AS88Z is a capacitive touchscreen controller from Infineon Technologies, belonging to the PSoC™ Automotive Multitouch Generation 6XL family. It integrates a TrueTouch® sensing engine with an ARM Cortex-M0 CPU for human-machine interface applications. The device supports up to 128 sensor pins and features advanced capabilities including gesture recognition, thick overlay support, and operation through gloves or water. Designed for automotive environments, it operates within a voltage range of 1.71 V to 5.5 V and functions across temperatures from -40°C to +105°C.

Touch Screen Controllers Feature Summary

• Generates 6th generation TrueTouch® signals with low power consumption
• Supports up to 128 sensor pins for large display areas
• Enables glove touch, waterproofing, and thick overlay compensation
• Integrates gesture detection and multi-touch input handling

Touch Screen Controllers Applications

• Automotive infotainment systems
• Vehicle instrument clusters
• Smart sensing interfaces in harsh environments

Touch Screen Controllers Procurement Notes

Verify the specific suffix AS88Z against official Infineon documentation to confirm package type and temperature grade. Ensure compatibility with existing PCB layouts for TQFP-128 packages. Check for RoHS compliance status in the latest datasheet revision before procurement.

Touch Screen Controllers Selection Notes

Select this component when high pin count (up to 128) and robust environmental performance are required. Compare against CYAT81688 series if fewer pins suffice. Confirm that the integrated ARM Cortex-M0 resources meet processing needs without external MCU dependency.

Touch Screen Controllers Part Context

This part belongs to the CYAT8168X series of automotive-grade multitouch controllers. It shares architectural similarities with other members like CYAT81689-100AA61Z but differs in pin count and package configuration. The 6XL generation emphasizes reliability in automotive HMI applications.

Touch Screen Controllers Replacement Considerations

Direct substitutes include other variants within the CYAT8168X family such as CYAT81689-100AA61Z, provided pin counts and packages align. Cross-reference electrical specifications and firmware compatibility before substitution.