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The CYAT81655-64AS48T is a capacitive slider controller within the Infineon TrueTouch family, built on a PSoC architecture with an ARM Cortex CPU. It supports I2C and SPI interfaces for system communication. The device operates on a supply voltage range of 1.71 V to 5.5 V, with a maximum operating current of 20 mA. It functions reliably across a temperature range of -40°C to +85°C and is housed in a TQFP-64 package suitable for SMD/SMT installation.
Verify the specific suffix 'AS48T' against official Infineon documentation to confirm tape-and-reel packaging and any distinct electrical or mechanical variations compared to standard variants like 'AA48T'. Ensure compatibility with existing PCB footprints for the TQFP-64 package before procurement.
Select this component for applications requiring dedicated capacitive slider sensing rather than full matrix touchscreens. Confirm that the host system can accommodate the required I2C or SPI protocol and that the power budget aligns with the 20 mA maximum operating current specification.
This part belongs to the CYAT8165x series of TrueTouch controllers. These devices are designed for high-performance capacitive sensing applications, offering integrated processing capabilities via the embedded ARM Cortex CPU to handle touch algorithms efficiently.