ATMXT144UD-AMBRSLI2CVA1

Overview

The ATMXT144UD-AMBRSLI2CVA1 is a maXTouch touchscreen controller manufactured by Microchip Technology. It supports up to 144 nodes for touch and gesture input. The device operates with an I2C interface and functions within a supply voltage range of 3.14 V to 3.47 V. It is designed for surface mount installation in a VQFN-56 package. The component is rated for industrial temperature ranges, supporting operation from -40°C to +105°C.

Feature Summary

• Supports 144-node capacitive touch sensing
• Integrated I2C communication interface
• Industrial operating temperature range (-40°C to +105°C)
• VQFN-56 surface mount package

Applications

• Industrial control panels
• Automotive infotainment systems
• Medical device interfaces

Procurement Notes

Verify the specific suffix AMBRSLI2CVA1 against official Microchip documentation to confirm lead time and availability status. Distributor listings may vary; always cross-reference the manufacturer's datasheet for accurate ordering information and environmental compliance details before procurement.

Selection Notes

Select this component when a high node count (144) is required for complex gesture recognition or large display areas. Ensure the design accommodates the 3.14 V to 3.47 V power supply requirements and utilizes the VQFN-56 footprint. Verify that the host system supports the I2C protocol for data exchange.

Part Context

This part belongs to the Microchip maXTouch family, which provides integrated touch and gesture solutions. The ATMXT144UD variant specifically targets applications requiring extensive electrode configurations. The suffix indicates specific packaging and environmental qualifications defined by the manufacturer.

Replacement Considerations

Consult Microchip's official obsolescence notices and substitution guides. Direct replacements must match the 144-node capacity, VQFN-56 package, and I2C interface. Verify pin compatibility and firmware support before integrating alternative components.