Silicon Labs’ TouchXpress devices are highly optimized capacitive touch controllers that eliminate firmware development time to enable easy design of capacitive touch buttons and sliders to replace mechanical buttons and switches.
| TouchXpress Key Features |
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- Fastest way to add capacitive sensing; turnkey, no firmware development needed
- Lowest power capacitive sense solution for increased battery life
- Highly robust solutions to operate under harsh and noisy environments
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- Simple GUI based configurator for configuring, programming, and customizing applications
- I2C or GPIO communication to the host
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| Features |
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- Capacitive sensing input engine with 12 inputs (CPT112S) or seven inputs (CPT007B)
- Post-sample touch qualification engine
- Configuration profile space in non-volatile memory
- I2C event buffer with interrupt pin to signal when new touch events have been qualified (CPT112S)
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- Low power state machine to minimize current draw in all use cases
- Capacitive proximity sensing input
- Buzzer output
- Mutually exclusive touch qualifier
- Touch time-out timer
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| Applications |
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- Home appliances
- Instrument/control panels
- Medical equipment
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- Consumer electronics
- White goods
- Lighting control
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