com
IR2E51Y
IR2E51Y
Auto-Brightness Control LED Driver
â– Description
IR2E51Y incorporates white LED driver with auto brightness control.
This IC is equipped with charge pump DC/DC converter.
Input
voltage is boosted into CPO by a charge pump circuit.
This IC maintains high efficiency since the charge pump circuit automatically selects 1x or 1.
5x charge pump mode depending on input
voltage and load.
It contains 4 white LED drivers to drive the main-LCD backlight, 2 white LED drivers for sub-LCD backlight and RGB-LED drivers.
All LED are connected in parallel.
With peripheral ambient light sensor, this IC automatically adjusts white LED brightness to ambient brightness.
This...