ATMXT640UD-CCUBHA1

Overview

The ATMXT640UD-CCUBHA1 is a maXTouch capacitive touchscreen controller manufactured by Microchip Technology. It supports up to 640 nodes for touch, gesture, and slider inputs. The device operates on a supply voltage range of 1.71V to 3.47V and features I2C and SPI communication interfaces. It is housed in an 88-UFBGA package with dimensions of 6x6 mm. The component is rated for industrial operating temperatures from -40°C to +85°C and consumes approximately 40 mA during operation.

Feature Summary

• Supports 640-node capacitive sensing for touch, gesture, and slider applications
• Dual interface support for I2C and SPI communications
• Operates within a 1.71V to 3.47V power supply range
• Industrial temperature rating from -40°C to +85°C

Applications

• Capacitive touchscreen displays
• Gesture recognition interfaces
• Slider control panels

Procurement Notes

Verify the specific suffix CCUBHA1 against official Microchip documentation to confirm pinout, packaging, and environmental compliance details. Ensure compatibility with existing I2C or SPI bus configurations before integration.

Selection Notes

Select this component when a high node count (640) is required for complex touch interfaces. Confirm that the system design accommodates the 88-UFBGA surface-mount package and the specified voltage requirements.

Part Context

This part belongs to the maXTouch family of touchscreen controllers from Microchip Technology. These controllers are designed for high-performance capacitive sensing applications requiring multiple input nodes and advanced gesture processing capabilities.

Replacement Considerations

Consult Microchip datasheets for direct replacements within the ATMXT640 series. Verify package compatibility and electrical specifications before substituting with other maXTouch variants.