Capacitive Switch Controller IC - BU21170MUV | ROHM Semiconductor - ROHM Co., Ltd.
Capacitive Switch Controller IC - BU21170MUV
BU21170MUV is a capacitive sensor controller for switch operation. BU21170MUV has five sensors and provides the simple switch function by each sensor. If external noise and temperature drift are detected, the automatic self-calibration is operated. Include LED controller with PWM function.
Sensor input channels
Operating Temperature (Min.)[°C]
Operating Temperature (Max.)[°C]
- 5 capacitive sensor ports.
- Automatic self-calibration.
- Continued touch detection.
- LED controller with PWM function.
- Inform the detected result of switch operation by interrupt.
- 2-wire serial bus interface.
- Single power supply.
- Built-in Power-On-Reset and Oscillator.