Touchscreen controller offers HA1 variants for safety

30th December 2021
Mick Elliott

In stock at distributor Mouser Electronics is the ATMXT640UD maXTouch touchscreen controller from Microchip Technology.

This touchscreen controller is optimised for display panels up to 9.7-in with up to 32 transmit lines and 20 receive lines and a maximum of 640 nodes.

HA1 variants of the ATMXT640UD are specifically designed for applications where functional safety is required.

These devices are IEC/UL 60730 Class B certified and offer unique safety-related features that enable system shut off through an intuitive soft button on a touchscreen, removing the requirement for an external safety certified stop or cancel button and associated microcontroller.

The ATMXT640UD allows an appliance to detect touchscreen-related failures and shut down the appliance automatically through various self-test functions.

Applications include human-machine interfaces (HMIs) for industrial, appliance, or medical designs.

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