Pre-certified to IEC/UL 60730 Class B
Separate emergency stop and
Eliminates the need for an unlock button


The European IEC 60730 and American UL 60730 Class B specifications require functional safety for appliances to reduce hazards such as kitchen fires and laundry room flooding.

Microchip Technology Inc. today announced the availability of three maXTouch® capacitive touchscreen controller products that provide pre-certified Class B firmware to meet functional safety requirements for touchscreen-enabled devices.

The three controllers △MXT112UD-MAUHA1, △MXT228UD-MAUHA1, △MXT336UD-MAUHA1 meet various screen demands from 2 inches to 8 inches.

Microchip's unique safety features allow for system shutdown via the touchscreen soft button, eliminating the need for a separate MCU for an external safety certified stop or cancel button.

Additionally, various self-diagnosis functions enable the appliance to detect product malfunctions and automatically turn off the power.

High signal-to-noise ratio (SNR) design and microphoneBased on Lochip's differential mutual acquisition system, three new products enable touchscreens to detect and track multiple fingers even when the user is wearing gloves.