CY8CTMA460AS-33T

Overview

The CY8CTMA460AS-33T is a TrueTouch capacitive touchscreen controller manufactured by Infineon Technologies. It utilizes a PSoC architecture to support 2-wire capacitive sensing interfaces. The device features a 32-bit processing core and offers dual communication options via I2C and SPI interfaces. It operates within a supply voltage range of 1.71V to 5.5V, with specific modes supporting 2.6V to 5.5V. The component is designed for surface mount installation in a 100-TQFP package measuring 14x14 mm. It functions reliably across an operating temperature range of -40°C to 105°C (TA).

Feature Summary

• Integrates TrueTouch capacitive sensing technology for accurate touch detection.
• Supports flexible connectivity through both I2C and SPI digital interfaces.
• Features an internal voltage reference for stable operation under varying conditions.

Applications

• Embedded electronics systems requiring touch input capabilities.
• Industrial equipment interfaces needing robust environmental tolerance.
• Consumer devices utilizing 2-wire capacitive touch panels.

Procurement Notes

Verify the exact datasheet version and ordering suffixes when sourcing this component. Confirm that the 100-TQFP package matches your PCB footprint requirements. Ensure the selected variant supports the required supply voltage range for your specific application circuit. Cross-reference the part number with official Infineon documentation to avoid counterfeit or obsolete stock issues.

Selection Notes

Select this controller for applications demanding high reliability in industrial or embedded environments. Consider the wide operating temperature range when designing for extreme conditions. Evaluate the need for both I2C and SPI compatibility if system bus flexibility is required. Ensure the 1.71V minimum supply voltage aligns with your power management strategy.

Part Context

This component belongs to the TrueTouch family of capacitive touch controllers from Infineon Technologies. It represents a specialized solution for integrating touch functionality into compact electronic designs. The PSoC-based architecture allows for customizable sensing parameters while maintaining standard interface protocols for easy integration into existing systems.

Replacement Considerations

Consult official Infineon substitution guides for compatible alternatives. Verify pin-to-pin compatibility and electrical specifications before replacing. Check for updated firmware support if migrating to newer revisions within the same product line.