ATMXT640T-CCU050

Overview

The ATMXT640T-CCU050 is a maXTouch 640-channel capacitive touchscreen sensor IC manufactured by Microchip Technology. It operates within a supply voltage range of 1.71V to 3.47V and draws 40mA of supply current. The device supports I2C and SPI interfaces and functions at operating temperatures between -40°C and +85°C. It is housed in an 84-pin UFBGA package with dimensions of 6x6mm, designed for surface mount installation.

Feature Summary

• Supports up to 640 channels for high-resolution touch sensing
• Integrates dual interface capabilities including I2C and SPI
• Designed for robust operation across wide industrial temperature ranges

Applications

• Embedded electronics requiring multi-touch input
• Industrial control panels
• Medical device user interfaces

Procurement Notes

Verify the specific suffix CCU050 against official Microchip documentation to confirm exact packaging and revision status. Ensure compatibility with existing firmware configurations before integration. Check for any product change notifications or lifecycle updates that may affect long-term availability.

Selection Notes

Select this component when a high channel count is required for complex touch interfaces. The integrated I2C and SPI options provide flexibility for system architecture. Confirm that the 84-UFBGA package fits the PCB layout constraints and thermal requirements of the target application.

Part Context

This part belongs to the maXTouch family of touchscreen controllers from Microchip Technology. These devices are engineered to provide reliable touch detection with low power consumption. The ATMXT640 series specifically targets applications needing extensive touch node support.

Replacement Considerations

Consult Microchip datasheets for direct pin-compatible alternatives within the ATMXT640 series. Verify electrical parameters and interface protocols before substituting with other capacitive touch controllers.