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The Nuvoton NT series Touch Key MCUs supports robust operation with wide operating voltage (2.4V-5.5V ), wide operating temperature (-40℃-85℃), high noise immunity (ESD HBM 8KV, EFT 4KV), and wide relative humidity range (1%-99%). It provides a built-in LED display driver with I²C as the control interface. The NT series has passed multiple interference tests including the electrostatic discharge (ESD) test, alternative current (AC) test, cellular communication test, intercom communication test, T5 LED lighting test and water repellent test.

To provide a friendly development environment, Nuvoton offers easy-to-use intuitive GUI touch key software for users to configure sensitivity without coding or setting the resistance value. Users can easily adjust the sensitivity parameter settings by sliding buttons up or down the sensitivity scale.

Target Application:

Small Home Appliance, Industrial Control Panel, Audio / TV Control Panel, Power/Lighting Control Panel, etc. 

Key Features:

- Automatic calibration function that automatically adjusts touch key sensitivity according to temperature and humidity

- Water repellent; operable under 1mm water with advanced touch key algorithm

- I²C control interface or analog key control
- Easy PCB layout shortens the time to market

- High noise immunity (ESD > 8KV, EFT > 4.4KV)


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