CYAT817AZS77-520DA

Touch Screen Controllers Overview

The CYAT817AZS77-520DA is a PSoC™ Automotive Multitouch Generation 7XL capacitive touchscreen controller designed for automotive applications. It features a 32-bit Arm® Cortex® CPU and supports up to 77 sense pins with ten-finger multitouch reporting. The device includes hover sensing, slider sensing, gesture recognition, and water rejection capabilities. It operates within an ambient temperature range of –40°C to 105°C (Automotive-S) and accepts analog supply voltages from 3.0 V to 5.5 V. The component is housed in a 128LD TQFP package.

Touch Screen Controllers Feature Summary

• Supports hover sensing up to 35 mm and slider sensing
• Enables gesture touchscreen and gesture slider detection
• Includes secondary safety communication interface with CAN support
• Features integrated cryptographic engine for secure communication

Touch Screen Controllers Applications

• Automotive infotainment systems
• Vehicle instrument clusters
• Center console touch interfaces

Touch Screen Controllers Procurement Notes

Verify the specific ordering suffix against the official Infineon datasheet to confirm feature availability. Ensure that the required automotive qualification standards are met for the target application environment. Confirm package dimensions and pinout compatibility during PCB layout design.

Touch Screen Controllers Selection Notes

Select this model when gesture control and slider functionality are required alongside standard multitouch input. The inclusion of a cryptographic engine and CAN interface makes it suitable for secure, connected vehicle architectures. Verify that the 77-sense-pin configuration aligns with the sensor matrix requirements.

Touch Screen Controllers Part Context

This part belongs to the PSoC™ Automotive Multitouch Generation 7XL series. It shares the core architecture with other variants like the CYAT817AZS77-5BFBA but differs in its specific feature set, notably including gesture and slider capabilities while excluding force touch.

Touch Screen Controllers Replacement Considerations

Direct replacements within the same generation include CYAT817AZS77-5BFBA or CYAT817AZA77-5BFBA. Note that these alternatives offer different feature sets, such as Force Touch, which may require firmware adjustments.