LP8555EVM

High-Efficiency LED Backlight Driver Evaluation Module

LP8555EVM

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Overview

The Texas Instruments LP8555EVM evaluation module (EVM) helps designers evaluate the operation and performance of this device. The LP8555EVM uses the LP8555 to drive up to 12 LED strings for LCD backlighting with high efficiency. Information about output voltage and current ratings of LP8555EVM can also be found in the datasheet.

In order to facilitate ease of testing and evaluation of this circuit, the EVM contains a TI MSP430 microprocessor to provide easy communication via USB. Power supply connection for the VDD, VDDIO and test points for the each signal can be found on the evaluation board. Windows SW is used to control I2C registers of the device. Separate LED board can be used as a load or it is possible to connect LCD panel to the output connectors.

Features
  •  2.7V-20V input range
  •  28V maximum boost output voltage
  •  MSP430 microprocessor for easy communication via USB
  •  Power supply connections for the VDD and VDDIO and test points for the each signal
  •  Evaluation software
Backlight LED drivers
LP8555 High-efficiency LED backlight driver for Tablet PCs
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Evaluation board

LP8555EVM — High-Efficiency LED Backlight Driver Evaluation Module

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GUI for evaluation module (EVM)

SNVC127 — LP8555 Evaluation Software

Supported products & hardware
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SNVC127 LP8555 Evaluation Software

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Latest version
Version: 01.00.00.00
Release date: 23 Jul 2013
download LP8555 Evaluation Software (zip)  — 533 K

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Products
Backlight LED drivers
LP8555 High-efficiency LED backlight driver for Tablet PCs
Hardware development
Evaluation board
LP8555EVM High-Efficiency LED Backlight Driver Evaluation Module

Release Infomation

The design resource accessed as www.ti.com/lit/zip/snvc127 or www.ti.com/lit/xx/snvc127/snvc127.zip has been migrated to a new user experience at www.ti.com/tool/download/SNVC127. Please update any bookmarks accordingly.
TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
Certificate LP8555EVM EU Declaration of Conformity (DoC) 02 Jan 2019
Data sheet LP8555 High-Efficiency LED Backlight Driver for Tablet PCs datasheet PDF | HTML 21 Feb 2014
User guide Using the LP8555 Evaluation Module 21 Feb 2014

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