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RT4831A - Four-Channel LCD Backlight Driver

Richtek

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Datasheet Details

Part number	RT4831A
Manufacturer	Richtek ↗
File Size	4.11 MB
Description	Four-Channel LCD Backlight Driver
Datasheet	RT4831A-Richtek.pdf

RT4831A Product details

Description

The RT4831A is an integrated four-channel backlight WLED driver with LCD bias supply for portable device.

Features

System.
Hardware Enable Pin.
I2C Controlled Interface.
Over-Temperature Protection Backlight WLED Driver.
2.7V to 5V Input Voltage Range.
Drives Up to 4P8S WLED Configuration (29V Maximum Output Voltage).
External PWM Input and I2C Brightness Control.
11 Bit Exponential and Linear Dimming Control.
Programmable Over-Voltage Protection.
Programmable Over-Current Protection.
Auto Operating Frequency (250kHz, 500kHz, 1MHz).
WLED Current Ramp Up.

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Published: Sep 10, 2023 |