ATMXT2952TD-C2U001

Overview

The ATMXT2952TD-C2U001 is a maXTouch touchscreen controller utilizing a charge-transfer acquisition engine for capacitive sensing. It supports up to 41 transmit and 71 receive lines, enabling a maximum of 2911 X/Y nodes. The device tracks up to 16 concurrent touches with report rates exceeding 100 Hz for multiple fingers. It features I²C interfaces (up to 3.4 MHz) and USB HID connectivity. Power supplies include 3.3V nominal for digital/analog domains and 1.8V to 3.3V for I/O. Operating temperature ranges from -40°C to +85°C in a 162-ball UFBGA package.

Feature Summary

• Supports up to 2911 nodes with 41 X and 71 Y lines for large display configurations.
• Tracks up to 16 simultaneous touches with high-speed reporting capabilities.
• Includes moisture compensation and noise suppression for reliable operation in challenging environments.
• Offers dual-boot support for Microsoft Windows and Android operating systems.

Applications

• On-cell and touch-on-display implementations for TFT, IPS, and OLED panels.
• Discrete sensor applications using glass or PET film-based substrates.
• Industrial and commercial displays requiring robust multi-touch interaction.

Procurement Notes

Verify the specific ordering suffix against the manufacturer's product identification system to confirm packaging type. The C2U suffix indicates standard tube or tray packaging. Confirm firmware revision 1.0.AA compatibility requirements during procurement planning.

Selection Notes

Select this component for designs requiring extensive node counts up to 2911. Ensure the host interface supports either I²C High Speed mode or USB HID protocols. Verify that the power supply architecture accommodates separate Vdd, VddIO, and AVdd rails within specified voltage tolerances.

Part Context

This part belongs to the mXT2952TD family of maXTouch controllers. It is designed for high-performance capacitive sensing solutions. The device integrates advanced algorithms for gesture recognition and palm recovery to enhance user experience on modern display technologies.

Replacement Considerations

Consult Microchip documentation for cross-reference options. Verify pinout and firmware compatibility if substituting with other maXTouch series devices.

FAQ

What is the maximum number of concurrent touches supported?

The controller supports tracking up to 16 concurrent touches in real time.

Does the device support water resistance?

Yes, it includes moisture compensation technology to prevent false touches from condensation or water drops up to 22 mm in diameter.

What are the available communication interfaces?

The device provides I²C slave interfaces up to 3.4 MHz and a USB HID interface for host communication.