CYAT81688-100AS61ZT

Touch Screen Controllers Overview

The CYAT81688-100AS61ZT is a capacitive touchscreen controller from Infineon Technologies, part of the TrueTouch family. It integrates 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 typical operating current of 20 mA. It features a 32-bit resolution and includes four ADC inputs. Designed for surface mount technology, it is housed in a TQFP-100 package and functions within a temperature range of -40°C to +105°C.

Touch Screen Controllers Feature Summary

• Integrated ARM Cortex CPU for advanced touch processing
• Supports I2C and SPI communication interfaces
• Operates within -40°C to +105°C industrial temperature range
• Includes four dedicated ADC inputs

Touch Screen Controllers Applications

• Capacitive touchscreen systems
• Industrial control panels
• Automotive infotainment displays

Touch Screen Controllers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and humidity sensitivity handling requirements prior to assembly. Ensure ordering quantities align with standard reel packaging specifications of 1500 units per reel.

Touch Screen Controllers Selection Notes

Select this model when high-temperature operation up to 105°C is required. The TQFP-100 package suits designs needing multiple GPIO connections. Verify interface compatibility with host controllers supporting I2C or SPI protocols before integration into the system architecture.

Touch Screen Controllers Part Context

This component belongs to the CYAT81688 series of TrueTouch controllers. Variants within the series differ by package type, such as TQFP-128 options, and temperature grades. The suffix indicates specific packaging and environmental ratings defined by Infineon.

Touch Screen Controllers Replacement Considerations

Cross-reference with other CYAT81688 variants like CYAT81688-100AA61ZT for package or temperature differences. Verify pinout compatibility and firmware support before substituting with similar capacitive touch controllers from other manufacturers.