BU21010MUV is a capacitive sensor controller with 8 channels, half of the sensor ports are available for LED driver. It also has gesture function to recognize short touch, long touch and finger motion.
The BU21010MUV is a capacitive sensor controller IC with eight sensor channels and integrated LED driver and gesture functions. It operates from 2.5 V to 3.3 V (AVDD) and 1.7 V to 3.3 V (DVDD) and supports a 2‑wire serial (I²C) interface.
The document provides detailed electrical characteristics, a block diagram, pin descriptions, host interface timing, register map, and ordering information. It also includes legal notices and application guidance for use in mobile phones, portable equipment, and audiovisual devices.
| AVDD supply voltage | 2.5 V – 3.3 V |
|---|---|
| DVDD supply voltage | 1.7 V – 3.3 V |
| Operating temperature range | -40 °C to 85 °C |
| Package type | VQFN16 (VQFNO16V3030) |
| ADC resolution | 10‑bit |
| Internal oscillator frequency | 0.4 MHz – 2.0 MHz |
| Number of sensor channels | 8 |
AVDD can be supplied between 2.5 V and 3.3 V.
The device provides eight sensor channels.
It uses a 2‑wire serial (I²C) bus in slave mode only.
The IC is supplied in a VQFN16 package (VQFNO16V3030).