BD1206GUL is a 5-channel or 6-channel parallel LED driver for portable instruments. This IC is equipped with an automatic transition charge pump and 16-step LED drivers, enabling high-efficiency and high-accuracy drive of LEDs. Additionally, this IC can synchronize LED drive with external PWM signal, making it ideal for white LEDs that require high-accuracy LED brightness control.
The BD1206GUL is a 5‑ or 6‑channel parallel LED driver designed for portable LCD backlight applications. It features an automatic transition charge pump, 16‑step current adjustment, and a single‑line digital control interface, delivering high efficiency and precise LED brightness control.
The document includes absolute maximum ratings, electrical characteristics, pin configuration, package dimensions, functional descriptions (LED driver, charge pump, UVLO, OVP, thermal shutdown), power‑up sequence, PWM control, and ordering information. Protection functions such as over‑voltage, thermal shutdown, and UVLO are also described.
| Maximum supply voltage | 7 V |
|---|---|
| Input voltage range | GND‑0.3 ~ VBAT+0.3 V |
| Power dissipation | 900 mW |
| Operating temperature range | -30 °C ~ +85 °C |
| LED maximum current per channel | 22 mA |
| LED current accuracy | 10 % |
| UVLO typical threshold | 2.2 V |
| Thermal shutdown temperature | 175 °C |
It can drive either 5 or 6 parallel LEDs.
The maximum LED current is 22 mA per channel.
It is supplied in a VCSP50L2 15‑pin CSP package.
The device includes over‑voltage protection, thermal shutdown, UVLO, and output‑short protection.