Touchscreen Controllers Drive Large Automotive HMI Designs

The latest family of maXTouch touchscreen controllers target large-screen automotive human machine interface (HMI) designs. The technology brings the user experience of multi-touch HMI, such as on a mobile phone, to car drivers and passengers in screen sizes from eight to 15 inches. The devices employ self-capacitive touch as well as mutual capacitive touch scanning. This combination provides the multi-touch experience even with thick cover lenses, thick gloves or in the presence of moisture and water. Additionally, the product family is fully AEC Q100 qualified to address all the unique needs of automotive system designs. The MXT1665T-A family consists of three parts: the MXT1665T-A supports 1664 touch node sensors; the MXT1189-A supports 1188 touch node sensors; and the MXT799T-A with 798 touch node sensors. For more information, visit


Microchip Technology Inc.

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