BD1601MUV is a 4-channel charge pump white LED driver with 64 dimming steps and 1-wire serial interface.
The BD1601MUV is a multi‑level brightness control white LED driver that provides efficient boost conversion and constant‑current driving for up to four LEDs. It features a 64‑step LED current adjustment, 3 % inter‑LED current accuracy, and a single‑line digital control interface (UPIC) for ON/OFF and dimming.
Typical applications include mobile phones, portable game machines and other white‑light devices. The datasheet includes key specifications, pin configurations, block diagrams, performance curves, and extensive mounting and handling precautions.
| Operating power supply voltage | 2.7 V to 5.5 V |
|---|---|
| LED maximum current (typical) | 30 mA |
| Oscillator frequency (typical) | 1.0 MHz |
| Quiescent current (typical) | 0.1 µA |
| Operating temperature range | -30 °C to +85 °C |
| Package | VQFN016V3030 3.00 mm × 3.00 mm × 1.00 mm |
It uses a single‑line digital interface (UPIC) where the EN pin controls power ON/OFF and LED current.
The driver includes a built‑in parallel LED driver for four lamps.
The device operates from 2.7 V to 5.5 V.
The LED maximum current is 30 mA (typical).