BD6150MUV is a white LED driver IC with a PWM step-up DC/DC converter that can boost up to 40V and a current driver that can drive up to 30mA. The wide and precise brightness can be controlled by an external PWM pulse. BD6150MUV has very accurate current drivers, and it has few current errors between each strings, helping to reduce brightness spots on the LCD. The small package type is suited for space-saving.
The BD6150MUV is a white LED driver IC that integrates a high‑efficiency PWM step‑up DC/DC converter and precise current drivers, allowing brightness control via an external PWM signal. It is designed for medium to large LCD backlights in notebooks, DVD players, car navigation systems and similar devices.
Key features include a wide input voltage range (4.2 V ~ 26 V), up to 30 mA LED current per channel, support for up to 10 LEDs in series and six strings in parallel, and extensive safety functions such as over‑voltage, over‑current, LED open/short, SBD open detection, UVLO and thermal shutdown. The note also provides pin‑out tables, block diagrams, electrical characteristics and ordering information.
| Input voltage range | 4.2 V ~ 26 V |
|---|---|
| Maximum LED current | 30 mA per channel |
| Switching frequency | 1.00 – 1.50 MHz |
| Quiescent current (typical) | 1.6 mA |
| Over‑voltage detection threshold | 0.96 V – 1.04 V |
| LED series/parallel capability | Up to 10 in series, 6 strings in parallel |
The BD6150MUV can drive up to 30 mA per LED channel.
It operates with an input voltage from 4.2 V to 26 V.
It includes over‑voltage protection, over‑current limit, LED open/short protection, external SBD open detection, UVLO and thermal shutdown.
The IC can drive up to 10 LEDs in series and up to six strings in parallel.