RT4532 Datasheet - Richtek Technology

RT4532 - High Efficiency Backlight LED Driver

The RT4532 is a high-efficiency LED driver for backlight applications. An asynchronous boost converter with an internal Schottky diode and a current source driver are designed to support 6LED/channel with wide input voltage range from 2.5V to 5.5V. An I2C interface can provide easy backlight control.

RT4532 Features

* Input Voltage Range : 2.5V to 5.5V

* Internal Schottky Diode

* Fast-speed mode I2C Compatible Interface

* Drive Up to 6 WLEDs in 4 String

* External PWM Brightness Control

* 550k/1.1MHz Switching Frequency

* Built-in Internal Soft-Start

* I2C Programmable 256 Steps

RT4532-RichtekTechnology.pdf