CY8CTMA768AS-33

Overview

The CY8CTMA768AS-33 is a TrueTouch capacitive touchscreen controller manufactured by Infineon Technologies. It supports I2C and SPI interfaces with a 32-bit resolution for high-precision touch detection. The component is housed in a 100-pin TQFP package measuring 14x14 mm. Designed for automotive applications, it operates as a data acquisition touch screen controller within the CYAT817 series.

Feature Summary

• Supports 2-wire capacitive sensing technology for accurate touch input
• Integrates dual communication protocols including I2C and SPI
• Provides 32-bit resolution for enhanced positional accuracy

Applications

• Automotive interactive display systems
• Capacitive touch panel controllers
• Data acquisition for touch interfaces

Procurement Notes

Verify current availability status as the part is listed as obsolete or end-of-life. Confirm if substitute components such as the CYAT81689-100AS61Z are suitable replacements. Check regional shipping restrictions and ensure compliance with RoHS standards before procurement planning.

Selection Notes

Select this component for automotive-grade capacitive touch solutions requiring high resolution. Ensure system design accommodates the 100-pin TQFP footprint. Verify interface compatibility with host processors supporting I2C or SPI protocols. Consider lifecycle status when designing long-term production units.

Part Context

This controller belongs to the TrueTouch family under the CYAT817 series. It serves as a specialized data acquisition IC for touch screens. The device integrates sensing capabilities with digital processing for direct host communication.

Replacement Considerations

Publicly documented substitutes include the CYAT81689-100AS61Z. Evaluate pinout and functional compatibility before substitution.