


IC/Module: TTP224 Touchpad Detector IC
Designed specifically for touch pad controls, TTP224 chip has a capacitive sensing design and an embedded regulator with an external enable/disable option. It can be used in a wide range of applications, under various environments. What makes it even more impressive for the user is its capability to register input even through a layer of glass, paper, or similar non-isolating materials.
Range of Operating Modes
The TouchKey Click Board™ features three jumpers for accessing the TTP224 ICs different operating modes. The user can put the chip in fast mode (100mS response time) or in low-power mode (200mS response time) by pad option (LPMB pin), or can enable/disable multi-key input by pad option SM pin , or even set the buttons in toggle or direct mode using the TOG pin. Overall, the user can choose the required operating mode using the six pad options (LPMB, TOG, AHLB, MOT0, OD, SM) and the three jumpers.
TouchKey Click Board
Frequently Asked Questions
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