CYAT81659-100AS48T

Overview

The CYAT81659-100AS48T is a capacitive touchscreen controller from Infineon Technologies, part of the TrueTouch family. It operates within a supply voltage range of 1.71 V to 5.5 V and supports I2C and SPI interfaces. The device features a 32-bit resolution and functions in temperatures from -40°C to +85°C. Packaged in a TQFP-100 format for surface mount installation, it is designed for precise touch sensing applications requiring reliable signal processing.

Feature Summary

• Capacitive Touchscreen Controller with 32-bit resolution
• Dual interface support: I2C and SPI
• Operating temperature range: -40°C to +85°C
• Supply voltage range: 1.71 V to 5.5 V

Applications

• Industrial control panels
• Automotive infotainment systems
• Medical device interfaces

Procurement Notes

Verify the specific suffix '100AS48T' against official Infineon documentation to confirm pinout and packaging details, as variations exist within the CYAT8165x series. Ensure compliance with RoHS directives and check moisture sensitivity levels prior to soldering. Confirm availability through authorized distributors given potential long lead times associated with automotive-grade components.

Selection Notes

Select this component when a robust capacitive touch solution with flexible communication options (I2C/SPI) is required. The 32-bit resolution offers high precision for slider or multi-touch applications. Ensure the host system can provide the necessary 1.71V to 5.5V supply rail and that the operating environment stays within the specified -40°C to +85°C thermal limits.

Part Context

This part belongs to the CYAT8165x series of TrueTouch controllers. Similar models like CYAT81659-64AA48T share core functionalities but differ in package types such as TQFP-64 versus TQFP-100. The series is characterized by its integration of advanced sensing algorithms and compatibility with various display technologies.