CYAT81652-100AA48T

Overview

The CYAT81652-100AA48T is a capacitive touchscreen controller from Infineon Technologies' TrueTouch series. It features a 32-bit resolution and supports I2C and SPI interfaces. The device operates within a supply voltage range of 1.71 V to 5.5 V, with a maximum operating current of 20 mA. It is designed for surface mount installation in a TQFP-100 package. The component functions as a dedicated touch sensing solution for user interface applications.

Feature Summary

• Capacitive Touchscreen Controller
• 32-bit Resolution
• I2C and SPI Interface Support
• 1.71 V to 5.5 V Supply Voltage Range

Applications

• Automotive Infotainment Systems
• Industrial Control Panels
• Consumer Electronics Interfaces

Procurement Notes

Verify the specific suffix AA48T against official Infineon documentation to confirm pinout and packaging details. Ensure compatibility with required operating temperatures ranging from -40°C to +85°C. Confirm moisture sensitivity handling procedures are followed during assembly. Check for RoHS compliance status in the latest datasheet revision.

Selection Notes

Select this component when a 32-bit resolution capacitive controller is required. Ensure the design supports the specified 1.71 V to 5.5 V input range. Verify that the PCB layout accommodates the TQFP-100 package dimensions. Confirm interface requirements match either I2C or SPI protocols supported by the host processor.

Part Context

This part belongs to the CYAT8165x series of TrueTouch controllers. It shares core specifications with other variants like the CYAT81652-64AA48T but differs in package type. The series is designed for high-performance touch sensing applications requiring robust signal processing capabilities.

Replacement Considerations

Direct substitutes within the same family include CYAT81652-64AA48T, though package differences must be accounted for. Cross-referencing with other Infineon TrueTouch models is recommended for form-factor compatibility.