Datasheet Details
| Part number | LP8551 |
|---|---|
| Manufacturer | Texas Instruments |
| File Size | 1.45 MB |
| Description | High-Efficiency LED Backlight Driver |
| Datasheet |
 LP8551 Datasheet
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General Description
The LP8551 is a white LED driver with integrated boost converter.
It has four adjustable current sinks which can be controlled by PWM input or with I2Ccompatible serial interface.
The boost converter has adaptive output voltage control based on the LED driver voltages.
Key Features
- 1 High-Voltage DC/DC Boost Converter with Integrated FET; Four Switching Frequency Options: 156/312/625/1250 kHz.
- 2.7-V to 22-V Input Voltage Range to Support 1x to 5x Cell Li-Ion Batteries.
- 50-mA High-Precision LED Current Sinks.
- Adaptive LED Current Sink Headroom Control for Maximum System Efficiency.
- Programmable PWM Resolution 8 to 13 Bits.
- I2C and PWM Input Duty Cycle Brightness Control.
- PWM Output Frequency and LED Current Set.