CYAT817AZS77-5A202

Touch Screen Controllers Overview

The CYAT817AZS77-5A202 is a capacitive touchscreen controller from the PSoC™ Automotive Multitouch generation 7XL family. It features a 32-bit Arm® Cortex® CPU and supports up to 77 sense pins with ten-finger multitouch capability. The device operates within an ambient temperature range of –40°C to 85°C (Automotive-A) and utilizes a 128LD TQFP package. Key electrical parameters include a logic supply voltage of 1.71 V to 1.95 V, analog supply of 3.0 V to 5.5 V, and average power consumption of 30 mW.

Touch Screen Controllers Feature Summary

• Hover sensing support up to 35 mm
• Slider sensing functionality
• Low-power wake-up button with < 50 µA consumption
• Wake-on-touch screen capability

Touch Screen Controllers Applications

• Automotive electronics requiring AEC-Q100 qualification
• Multitouch capacitive touchscreen controllers
• Displays supporting hover and slider interactions

Touch Screen Controllers Procurement Notes

Verify the specific ordering suffix against the official Infineon datasheet to confirm feature sets such as CAN interface or crypto engine availability. Ensure the selected package matches the required PCB footprint for the 128LD TQFP configuration.

Touch Screen Controllers Selection Notes

Select this model for applications requiring hover sensing and slider inputs without force touch capabilities. Confirm that the 77-sense-pin configuration meets the electrode pitch and intersection requirements for the target display size.

Touch Screen Controllers Part Context

This component belongs to the CYAT817X series, designed for automotive human-machine interfaces. It integrates noise-suppression technologies and supports various sensor substrates including glass, plastic, and metal mesh.

Touch Screen Controllers Replacement Considerations

Check the datasheet's ordering information table for alternative part numbers with similar pin counts and feature sets, such as CYAT817AZS77-5BFBA, noting differences in supported interfaces like CAN.