BU21181FS
BU21181FS is Capacitive Switch Controller manufactured by ROHM.
Capacitive Switch Controller ICs
Capacitive Switch Controller IC
General Description
BU21181FS is a capacitive switch controller that detects capacitance change and judges the operation of Switch ON / OFF or Long Press. The function to prevent false detection of water enables it to be used at places using water.
Features
- 18 Capacitive Sensor Pins
- Switch ON / OFF / Long Press Detection
- Inform Detection Results by Interrupt Pin
- Prevention False Detection by Water
- Noise Calibration Function
- Drift Calibration Function
- Adjust Sampling Period Function
- 2-wire Serial Bus Interface
- Single Power Supply
Key Specifications
- Power Supply Voltage Range:
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