BU21009MUV is a capacitive sensor controller for switch function and slider function with 16 channels sensors. All channels are calibrated for slider functions. LED driver is available (No PWM function).
The BU21009MUV is a capacitive sensor control IC that provides both switch and slider functions for up to 16 sensor channels. It includes an integrated 10‑bit A/D converter, LED driver (no PWM), and operates from a 2.5 V to 3.3 V supply.
The device features a 2‑wire serial host interface, power‑management with low‑power mode, and is supplied in a VQFN032V5050 package. Absolute maximum ratings, recommended operating conditions, pin descriptions, register map, and ordering information are detailed in the document.
| Supply voltage range | 2.5 V to 3.3 V |
|---|---|
| Number of sensor channels | 16 |
| Integrated A/D converter resolution | 10‑bit |
| LED driver availability | Available (no PWM function) |
| Host interface | 2‑wire serial |
| Package type | VQFN032V5050 |
| Operating temperature range | -40 °C to 85 °C |
The device operates from 2.5 V to 3.3 V.
It uses a 2‑wire serial interface.
The IC is supplied in a VQFN032V5050 package.