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BD6581GU Datasheet 6-channel White Led Driver

Manufacturer: ROHM

Overview: Datasheet 6-Channel White LED Driver for up to 72 LEDs BD6581GU General.

Datasheet Details

Part number BD6581GU
Manufacturer ROHM
File Size 752.93 KB
Description 6-Channel White LED Driver
Datasheet BD6581GU-Rohm.pdf

General Description

BD6581GU is white LED driver IC with PWM step-up DC/DC converter that can boost max 42.5V and current driver that can drive max 25mA.

The wide and precision brightness can be controlled by external PWM pulse.

BD6581GU has very accurate current drivers, and it has few current errors between each strings.

Key Features

  • High efficiency PWM step-up DC/DC converter (fsw=1MHz), max efficiency 93%.
  • High accuracy & good matching ( 1.5%) current drivers 6ch.
  • Drive up to 12 in series, 6 strings in parallel =72 white LEDs ( white LED Vf=3.5Vmax).
  • Rich safety functions Over-voltage protection (OVP) Over current limit External SBD open detect Thermal shutdown Key Specification.
  • Operating power supply voltage range: 2.7V ~ 22.0V.
  • Quiescent Current 1: 0.6μA (Typ. ) Quiescent Current 2: 4.6μA (.

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BD6581GU Distributor