Microchip Technology introduces MXT2912TD-A and MXT2113TD-A maXTouch touchscreen controllers | Automation.com

Microchip Technology introduces MXT2912TD-A and MXT2113TD-A maXTouch touchscreen controllers

December 072018
Microchip Technology introduces MXT2912TD-A and MXT2113TD-A maXTouch touchscreen controllers

December 7, 2018 — Microchip Technology introduced a family of single-chip maXTouch touchscreen controllers which are designed for screens up to 20 inches in size.

The MXT2912TD-A, with nearly 3,000 touch sensing nodes, and MXT2113TD-A, supporting more than 2,000 nodes, bring consumers a touchscreen user experience. These devices build upon Microchip’s existing maXTouch touchscreen technology that is adopted by manufacturers worldwide. Microchip’s latest solutions offer signal-to-noise capability to address the requirements of thick lenses, supporting multiple finger touches through thick gloves and in the presence of moisture.

The MXT2912TD and MXT2113TD devices incorporate self- and sensor-diagnostic functions, which constantly monitor the integrity of the touch system. These smart diagnostic features support the Automotive Safety Integrity Level (ASIL) classification index as defined by the ISO 26262 Functional Safety Specification for Passenger Vehicles.

The devices feature technology that enables adaptive touch utilizing self-capacitance and mutual-capacitance measurements, so all touches are recognized and false touch detections are avoided. They also feature Microchip’s signal shaping technology that lowers emissions to help large touchscreens using maXTouch controllers meet CISPR-25 Level 5 requirements for electromagnetic interference in automobiles. The touch controllers also meet automotive temperature grade 3 (-40 to +85°C) and grade 2 (-40 to +105°C) operating ranges and are AEC-Q100 qualified.

With the addition of the maXTouch touchscreen controllers, Microchip provides full scalability to customers, offering a complete portfolio of automotive-qualified touchscreen controllers for the use of various screen sizes. Developers can design multiple platforms from small touchpads to large displays in the same development environment with the same host software interface and quality user experience.

Eight dedicated application and sensor design centers around the world help Microchip customers and partners accelerate the process of bringing their maXTouch technology designs to market. Microchip’s maXTouch technology specialists are working with all major sensor, display and touch module manufacturers.

An evaluation kit is available for each of the parts in the new maXTouch touchscreen controller family. The kit includes a Printed Circuit Board (PCB) with the maXTouch touchscreen controller, a touch sensor on a clear glass lens, the Flat Printed Circuit (FPC) to connect to the sensor display, a converter PCB to connect the kit to the host computer via USB, as well as cables, software and documentation. All parts are also compatible with maXTouch Studio, a full software development environment to support the evaluation of maXTouch touchscreen controllers.

The MXT2912TD-A and MXT2113TD-A devices are available now in sampling and volume quantities in LQFP176 and LQFP144 packages, respectively.

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