ROHM BD60910GU Data Sheet
Summary
This technical manual details the BD60910GU, an 8-channel LED driver IC featuring auto luminous control for mobile applications. Designed for small to medium LCD panels, it offers efficient DC/DC boost conversion, adjustable constant current, and PWM control to ensure optimal backlight performance.
Page 1 Text Content
LED Drivers for LCD Backlights
White backlight LED Drivers for Small to Medium LCD Panels (Switching Regulator Type)
No.11040EBT30
BD60910GU
●Description BD60910GU is maximum 8LED(minimum 4LED) serial LED driver with ALC (Auto Luminous Control) function. Best match for mobile application that needs long battery life.
●Features 1) Boost DC/DC for LED back lighting Drives maximum 8 to minimum 4 serial LEDs. Integrated high voltage switching transistor Soft start function. Over voltage protection (Detect voltage is controllable) Over current protection (2nd side) VOUT short to GND protection VOUT open protection. 2) Constant current driver for LED back lighting Current step can be set in 7bit(0.2m A 128steps), and 8bit(0.1m A 256steps) in sloping. Rise and fall time of sloping are set independently. Iout max = 25.6m A PWM brightness control by external input. 3) Auto Luminous Control (ALC) Periodic ambient detection reduces sensor consumption current. LED brightness can be controlled by 16steps ambient brightness level. LED current for each ambient level is freely customizable. SBIAS for sensor bias is integrated. (3.0V or 2.6V) Photo Diode, Photo Transistor, Photo IC(Linear/ Logarithm) can be connected. Automatic gain control built-in, so BH1600FVC can be connected directly. 4) Thermal shutdown (Auto-return type) 5) I2C BUS FS mode（max 400k Hz）Write/Read 6) VCSP85H3(3.00mm x 3.00mm) Small Size CSP package
●Absolute Maximum Ratings (Ta=25 ℃)
Parameter Symbol Ratings Unit Pins
Maximum voltage 1 VMAX1 7 V except for VLED VOUT, SW Maximum voltage 2 VMAX2 15 V VLED Maximum voltage 3 VMAX3 40 V VOUT, SW Power Dissipation Pd 1250 *1 m W Operating Temperature Range Topr -40 ~ +85 ℃ Storage Temperature Range Tstg -55 ~ +150 ℃ *1) Power dissipation deleting is 10m W/ ℃, when it’s used in over 25 ℃. It’s deleting is on the board that is ROHM’s standard. Dissipation by LSI should not exceed tolerance level of Pd.
●Operating conditions (VBAT≥VIO, Ta=-40~85 ℃)
Parameter Symbol Ratings Unit
VBAT input voltage VBAT 2.7~5.5 V VIO pin voltage VIO 1.65~3.3 V
www.rohm.com 2011.07 - Rev.B
© 2011 ROHM Co., Ltd. All rights reserved.
Page Summary Contents For ROHM BD60910GU Data Sheet
Manual Details
| Brand | ROHM |
|---|---|
| Pages | 31 |
| File Size | 470.35 KB |
| Published | June 15, 2026 |
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Frequently Asked Questions
How many LEDs can the BD60910GU driver support?
It drives a maximum of 8 and minimum of 4 serial LEDs.
What is the maximum LED current output?
The maximum LED current (Iout max) is 25.6mA.
What is the input voltage operating range?
VBAT input voltage range is 2.7V to 5.5V.
Does it have over-voltage protection?
Yes, it features over voltage protection with a controllable detection voltage.
What sensor types are compatible with the ALC function?
Photo Diode, Photo Transistor, or Photo IC (Linear/Logarithm) can be connected.