CYAT81689-100AS77Z

Touch Screen Controllers Overview

The CYAT81689-100AS77Z is a capacitive touchscreen controller from Infineon Technologies, part of the TSG6_XL family. It integrates an Arm Cortex CPU and supports I2C and SPI interfaces. The device operates on a supply voltage ranging from 1.71 V to 5.5 V with a maximum operating current of 20 mA. It features a 32-bit resolution and includes four ADC inputs. Designed for robust performance, it functions within a temperature range of -40°C to +105°C and is housed in a 100-pin TQFP package suitable for surface mount installation.

Touch Screen Controllers Feature Summary

• Integrates an Arm Cortex CPU for advanced processing capabilities
• Supports thick overlay and thick glove touch detection
• Enables gesture recognition and multi-touch functionality
• Provides waterproofing capabilities for harsh environments

Touch Screen Controllers Applications

• Automotive human-machine interface (HMI) systems
• Smart sensing applications requiring high reliability
• General-purpose embedded control systems

Touch Screen Controllers Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm RoHS compliance status via official documentation. Check moisture sensitivity levels prior to soldering. Ensure packaging integrity matches specified tray quantities. Validate part number suffixes against manufacturer specifications.

Touch Screen Controllers Selection Notes

Select this model for applications requiring automotive-grade reliability and thick overlay support. Verify pin count compatibility with the 100-pin TQFP footprint. Ensure power supply constraints align with the 1.71 V to 5.5 V operating range. Consider thermal management requirements for the -40°C to +105°C operational window.

Touch Screen Controllers Part Context

This component belongs to the CYAT8168X series, representing Generation 6XL technology. It is designed for PSOC-based automotive solutions. The part number indicates specific package and suffix variations within the broader TSG6_XL family.

Touch Screen Controllers Replacement Considerations

Consult official substitution lists for compatible variants within the CYAT8168X series. Verify electrical parameters and pinout compatibility before replacing. Generic equivalents are not recommended due to specific automotive qualification requirements.