CYAT81688-100AS77KHT

Touch Screen Controllers Overview

The CYAT81688-100AS77KHT is a capacitive touchscreen controller from Infineon Technologies, part of the TrueTouch Standard TS3xxx family. It integrates an ARM Cortex CPU and supports I2C and SPI interfaces. The device operates within a supply voltage range of 1.71 V to 5.5 V and features four ADC inputs with 32-bit resolution. Designed for surface-mount installation in TQFP-100 packages, it functions reliably between -40°C and +105°C. This component is classified under data converter ICs and touch screen controllers.

Touch Screen Controllers Feature Summary

• Integrated ARM Cortex CPU for advanced processing capabilities
• Supports both I2C and SPI communication interfaces
• Includes four dedicated ADC inputs for sensor data acquisition
• Operates across an extended temperature range of -40°C to +105°C

Touch Screen Controllers Applications

• Capacitive touchscreen controller implementations
• Embedded systems requiring high-resolution touch input
• Industrial control panels operating in extreme temperatures

Touch Screen Controllers Procurement Notes

Verify specific ordering suffixes such as 'KH' or 'T' against official Infineon documentation to confirm package type and reel specifications. Confirm moisture sensitivity levels and reflow soldering profiles prior to assembly. Check current availability status as distribution may vary by region.

Touch Screen Controllers Selection Notes

Select this model when a robust MCU-integrated touch controller is required for complex gesture recognition. Ensure the design accommodates the TQFP-100 footprint and meets the 1.71V to 5.5V power supply requirements. Consider the 20 mA operating current for power budget calculations.

Touch Screen Controllers Part Context

This component belongs to the CYAT81688 series, which utilizes the TrueTouch technology platform. Variants like CYAT81688-100AS77 and CYAT81688-100AS77Z share similar core specifications but differ in packaging or environmental ratings. The '100' indicates the TQFP-100 package variant.