BD6184GUL is a “Smart LED Driver” that is the most suitable for the cellular phone. It has 3 ~ 8LED driver and output variable LDO4ch for LCD Backlight. It can be developed widely from the High End model to the Low End model. As it has charge pump circuit for LED power supply, it is no need to use coils, and it contributes to small space.
This technical note describes the BD6184GUL intelligent LED driver designed for mobile phones. It outlines the driver’s ability to control 3‑8 LEDs, includes a charge‑pump DC/DC, and provides four low‑drop‑out regulators for LCD backlight.
Key sections cover absolute maximum ratings, operating conditions, detailed electrical characteristics, and example application circuits. Ordering information and legal notices are also included.
| LED driver capacity | 3 to 8 LEDs |
|---|---|
| LDO output current | 150 mA per channel |
| Charge‑pump modes | x1 / x1.5 / x2 (auto‑selected) |
| Maximum supply voltage (VMAX) | 7 V |
| Operating temperature range | -30 °C to +85 °C |
The maximum input voltage (VMAX) is 7 V.
It can drive between 3 and 8 LEDs.