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RT4831A Datasheet Four-channel Lcd Backlight Driver

Manufacturer: Richtek

Overview: RT4831A Four-Channel LCD Backlight Driver with Integrated Bias Power.

Datasheet Details

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

General Description

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

The backlight WLED driver supports up to 4P8S WLED configuration.

Meanwhile, the driver maximum acceptable output voltage is 29V.

Key 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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RT4831A Distributor