ATMXT2113TD-ABRVA1

Overview

The ATMXT2113TD-ABVA1 is a maXTouch 2112-node touchscreen controller designed for automotive applications. It features a charge-transfer acquisition engine supporting mutual and self capacitance measurements. The device operates within a temperature range of -40°C to +105°C (Grade 2) and utilizes a 144-lead LQFP package. Power supplies include nominal 3.3V for digital, I/O, and analog sections, with an external high-voltage drive up to 8.5V. Communication interfaces include I2C (up to 1 MHz) and SPI (up to 8 MHz).

Feature Summary

• Supports up to 2112 X/Y nodes across two separate touchscreen panels.
• Tracks up to 16 concurrent touches with report rates up to 141 Hz.
• Includes hover support for one-finger detection up to 20 mm.
• Features moisture/water compensation and palm recovery algorithms.

Applications

• Automotive infotainment systems requiring AEC-Q100 qualification.
• Large curved or free-form touch displays up to 15.49 inches.
• Multi-touch slider implementations using discrete electrode materials.

Procurement Notes

Verify the specific ordering suffix 'R' indicates tape and reel packaging versus standard tray supply. Confirm Grade 2 temperature rating (+105°C max) matches system requirements. Ensure firmware revision 2.0.AA compatibility with existing configuration tools.

Selection Notes

Select this model over the AT variant when operation above +85°C is required. Verify interface needs against available I2C and SPI speeds. Consider node allocation limits if integrating multiple key arrays alongside dual touchscreens.

Part Context

This component belongs to the mXT2113TD-AT/AB 2.0 series. It shares the base device architecture with the ATMXT2113TD-ATVA1 but differs in operating temperature grade. The AB suffix specifically denotes the extended automotive temperature range capability.

Replacement Considerations

Publicly confirmed substitute part numbers are not provided in the source documentation. Designers should consult Microchip sales offices for current availability and alternative recommendations.

FAQ

What is the maximum number of concurrent touches supported?

The controller supports tracking up to 16 concurrent touches in real time on a single touchscreen instance.

Does the device support hover detection?

Yes, it supports one-finger hover detection up to 20 mm and a tracking range of 15 mm.

What is the operating voltage for the external X line drive?

The high voltage external X line drive (XVdd) can operate up to 8.5V.