Capacitive Switch Controller ICs - BU21078FV
BU21078FV is a capacitive sensor controller for switch operation. In addition to a regular simple switch, support matrix switches which are arranged in the matrix sensors. If external noise and temperature drift are detected, the automatic self-calibration is operated. Include LED controller with PWM function.
| Part Number | Status | Package | Unit Quantity | Minimum Package Quantity | Packing Type | RoHS |
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| BU21078FV-E2 | Active | SSOP-B28 | 2000 | 2000 | Taping | Yes |
BU21078FV Data Sheet
Specifications| Vcc(Min.)[V] | 3.0 | | Vcc(Max.)[V] | 5.5 | | Sensor input channels | 12 | | LED control channels | 8 | | Interface | I2C | | Matrix key | 6 x 6 | | Operating Temperature (Min.)[°C] | -20 | | Operating Temperature (Max.)[°C] | 85 |
| Technical DocumentsFeatures- 12 capacitive sensor ports.
- Supported Matrix switches. Maximum 36 switches.
- 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.
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