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LM3632EVM

LM3632EVM Single-Chip Backlight + Bias Power + 1.5-A Flash LED Driver

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LM3632EVM

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Overview

The LM3632EVM aids in evaluation of the LM3632 Single-Chip Backlight + Bias Power + 1.5-A Flash LED Driver.

The LM3632 contains 3 major blocks:

  • A high efficiency backlight driver capable of driving 2 LED strings of up to 8 LEDs per string.
  • A set of positive and negative bias supplies of programmable reference voltage for powering LCD drivers.
  • A 1.5-A constant current LED driver powered by a synchronous boost converter for camera flash applications.

The LM3632EVM and supporting software provides all of the control mechanisms to demonstrate the functionality of all 3 blocks of the LM3632. Control includes I2C interface as well as external control via access to all LM3632 pins.

Features
  • Dual, 11-bit (2048 levels), 25-mA max backlight LED strings  
  • User programmable, 50-mA max VPOS & VNEG bias power supplies
  • Single 1.5-A flash LED driver with 16 levels of current level programmability  
  • I2C Control for all functions
  • External Controls (General Enable, PWM for backlight, independent enable pins for bias power, Strobe and Tx pins for flash driver)
Backlight LED drivers
LM3632A — Single-chip backlight with Bias power and 1.5-A flash LED driver
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Evaluation board

LM3632EVM — LM3632EVM Single-Chip Backlight + Bias Power + 1.5-A Flash LED Driver

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Evaluation board

LM3632EVM.1 — LM3632EVM Single-Chip Backlight + Bias Power + 1.5-A Flash LED Driver

GUI for evaluation module (EVM)

SNVC182 — LM3632EVM GUI v1.0

Supported products & hardware
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SNVC182 — LM3632EVM GUI v1.0

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Latest version
Version: 01.00.00.00
Release date: 25 Mar 2015
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lock LM3632EVM GUI v1.0 (zip)  — 1214 K

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Products
Backlight LED drivers
LM3632A — Single-chip backlight with Bias power and 1.5-A flash LED driver
Hardware development
Evaluation board
LM3632EVM — LM3632EVM Single-Chip Backlight + Bias Power + 1.5-A Flash LED Driver

Release Infomation

The design resource accessed as www.ti.com/lit/zip/snvc182 or www.ti.com/lit/xx/snvc182/snvc182.zip has been migrated to a new user experience at www.ti.com/tool/download/SNVC182. 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 LM3632EVM EU Declaration of Conformity (DoC) 02 Jan 2019
EVM User's guide LM3632A Evaluation Module User's Guide 24 Mar 2015

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