BD6586MUV is a white LED driver IC with PWM step-up DC/DC converter that can boost max 24V and current driver that can drive max 25mA. The wide and precision brightness can be controlled by external PWM pulse. BD6586MUV has very accurate current drivers, and it has few current errors between each strings.So, it will be helpful to reduce brightness spots on the LCD.Small package type is suited for saving space.
The BD6586MUV is a white LED driver IC designed for medium to large LCD panels. It integrates a high‑efficiency PWM step‑up DC/DC converter that can boost up to 24 V and drive up to 25 mA per LED channel. The device offers precise current matching, soft‑start, and multiple safety protections such as over‑voltage, over‑current, UVLO and thermal shutdown.
The technical note provides detailed electrical characteristics, pin assignments, recommended operating ranges, and application guidelines. It also covers control‑signal timing, LED current setting, dimming methods, and layout considerations for both the IC power supply and the coil power supply.
| Supply voltage range (VBAT) | 2.7 V – 5.5 V |
|---|---|
| Maximum LED current per channel | 25 mA |
| Switching frequency | 1 MHz |
| Quiescent current (Iq) | 0.1 µA – 2.0 µA |
| Operating temperature range | -40 °C to +85 °C |
| Power dissipation (Pd1) | 500 mW |
Each LED channel can be driven up to 25 mA.
The converter operates at a typical switching frequency of 1 MHz.
The driver works with a supply voltage (VBAT) from 2.7 V to 5.5 V.