S-Touch Sensors

STMicroelectronics’ S-Touch family of capacitive and resistive touch-sensing controllers offers a simple and highly-efficient solution for touch-sensor functions in ultra-small packages. S-Touch implements highly innovative signal processing techniques to correctly detect, process and pass the touch information to the CPU. 

The capacitive touchkey controllers are suitable for a wide range of touchkey sensing applications, such as keypads, rotators or buttons, while resistive touchscreen controllers use a 4-wire resistive methodology with built-in ADCs to offer both ease of design and greater flexibility to touchscreen applications.



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STMPE16M31PX: 16-channel touchkey controller
Capacitive touch with PWM and proximity sensor

STMPE24M31: 24-channel capacitive touchkey controller
Highly sensitive, noise tolerant, with PWM and ratio engines

STMPE812A: 4-wire resistive touchscreen controller
Embeds PWM and dedicated RESET pin

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