CYAT81650-100AS48

Overview

The CYAT81650-100AS48 is a capacitive touchscreen controller from Infineon Technologies' TrueTouch family. It integrates an Arm Cortex CPU for advanced signal processing 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 TQFP-100 packages and functions reliably across temperatures from -40°C to +105°C.

Feature Summary

• Integrated Arm Cortex CPU for enhanced touch processing capabilities
• Dual interface support via I2C and SPI protocols
• Wide operating temperature range from -40°C to +105°C
• Capacitive sensing technology optimized for touchscreen applications

Applications

• Capacitive touchscreen controllers
• PSOC-based embedded systems
• Industrial control panels requiring wide temperature operation

Procurement Notes

Verify component authenticity through authorized distributors. Confirm moisture sensitivity levels prior to soldering. Check RoHS compliance status against specific project requirements. Ensure packaging integrity matches the specified tray format. Validate part number suffixes for correct package and temperature grade.

Selection Notes

Select this model when an integrated CPU solution is required for complex touch gestures. The TQFP-100 package suits designs needing extensive GPIO availability. Verify power supply constraints align with the 1.71 V to 5.5 V input range. Consider thermal management for high-temperature environments up to 105°C.

Part Context

This component belongs to the CYAT8165x series of TrueTouch controllers. It shares core architecture with variants like CYAT81652 but differs in package configuration. The series represents Infineon's integration of microcontroller capabilities directly into touch sensing hardware.