RT4831A Overview
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.
RT4831A Key Features
- Hardware Enable Pin
- I2C Controlled Interface
- Over-Temperature Protection
- 2.7V to 5V Input Voltage Range
- Drives Up to 4P8S WLED Configuration (29V
- 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
RT4831A Applications
- LCD Panels with up to 32 LEDs