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LP8555 - High-Efficiency LED Backlight Driver

Product Overview

Texas Instruments

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LP8555 High-Efficiency LED Backlight Driver by Texas Instruments - Datasheet Preview — Datasheet preview – LP8555

Datasheet Details

Part number	LP8555
Manufacturer	Texas Instruments
File Size	1.69 MB
Description	High-Efficiency LED Backlight Driver
Datasheet	LP8555 Datasheet
Additional preview pages of the LP8555 datasheet.

Product details

Description

The LP8555 is a high efficiency LED driver with integrated dual DC-DC boost converters.

It has 12 high-precision current sinks that can be controlled by a PWM input signal, an I2C master, or both.

Features

1 Dual High-Efficiency DC/DC Boost Converters.
2.7-V to 20-V VDD Range.
12 50-mA High-Precision LED Current Sinks With 12-Bit Brightness Control.
Adaptive LED Current Sink Headroom Controls for Maximum System Efficiency.
LED String Count Auto-Detection.
Phase-Shifted PWM Mode for Reduced Audible Noise.
PWM Input Duty-Cycle and/or I2C-Register Brightness Control.
Hybrid PWM and Current Dimming for Higher LED Drive Optical Eff.

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Published: Apr 14, 2020 |