RT4532 Datasheet (High Efficiency Backlight LED Driver)

Part: RT4532
Manufacturer: Richtek (official site)
Size: 201.51 KB

RT4532 Key Features

Input Voltage Range : 2.5V to 5.5V
Internal Schottky Diode
Fast-speed mode I2C patible 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 Linear Current
Up to 85% Efficiency with Small Magnetics
Programmable 16V/24V OVP

RT4532 Description

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 in fast and high speed mode.

RT4532 Applications

Input Voltage Range : 2.5V to 5.5V