ATMXT2113TD-ABVA3

Overview

The ATMXT2113TD-ABVA3 is a maXTouch 2112-node touchscreen controller designed for automotive applications. It features up to 33 transmit and 64 receive lines, supporting a maximum of 2112 nodes for touch sensors or key arrays. The device operates with digital, I/O, and analog supplies at 3.3V nominal, while the external X line drive supports up to 8.5V. It functions within an operating temperature range of –40°C to +105°C (Grade 2). Communication interfaces include I²C (up to 1 MHz) and SPI (up to 8 MHz). The component is housed in a 144-lead LQFP package.

Feature Summary

• AEC-Q100 Automotive Qualified and CISPR 25 compliant
• Supports up to 16 concurrent touches with report rates ≥90 Hz
• Integrated moisture/water compensation for reliable operation
• On-chip gesture reporting and lens bending algorithms

Applications

• Automotive infotainment displays
• Vehicle instrument clusters
• Center console control panels

Procurement Notes

Verify the specific ordering suffix against the manufacturer's Product Identification System to confirm packaging type and qualification level. The 'VA' suffix indicates AEC-Q100 automotive qualification and standard tray packaging. Confirm firmware revision compatibility during procurement to ensure alignment with system requirements.

Selection Notes

Select this controller for designs requiring high node counts and automotive reliability. Ensure the host processor supports the required I²C or SPI interface speeds. Verify that the sensor stack-up, including glass thickness and glove compatibility, meets the specified performance thresholds for the intended application environment.

Part Context

This part belongs to the maXTouch TD series, optimized for large display applications. It utilizes charge-transfer acquisition technology to enhance sensing accuracy. The device integrates advanced noise suppression and palm recovery algorithms to maintain performance in electrically noisy automotive environments.

Replacement Considerations

Consult Microchip documentation for direct pin-compatible alternatives within the maXTouch family. Verify that any substitute part maintains the same package dimensions, voltage levels, and automotive qualification standards.