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LX23224IDB Evaluation Board

 

 

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Copyright © 2011  

Microsemi

 

Rev. 0.2, 10-04-2011 

Analog Mixed Signal Group 

2381 Morse Avenue, Irvine, CA  92614, USA; Within the USA: (800) 713-4113, Outside the USA: (949) 221-7100 Fax: (949) 756-0308 

urce Control Drawing

 

 

 

 
 
 
 

LX23224IDB  

Evaluation Board 

User Guide

 

 

Revision 0.2 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reference Documents 

  LX23224IDB - 4 Channel EDGE-Lit LED Display Driver with DC/DC PSU Controllers,  

Cat. No. DS_LX23224 

  AN 195 - Designing an EDGE-Lit LED BackLight System Based LX23224, 

Cat. No. 06-0131-80

 

Содержание LX23224IDB

Страница 1: ...A 92614 USA Within the USA 800 713 4113 Outside the USA 949 221 7100 Fax 949 756 0308 urce Control Drawing LX23224IDB Evaluation Board User Guide Revision 0 2 Reference Documents LX23224IDB 4 Channel...

Страница 2: ...ax 949 756 0308 Table of Contents 1 About this Guide 3 1 1 Audience 3 1 2 Organization 3 1 3 Abbreviations 3 2 Introduction 4 2 1 EVB Features 4 2 2 System Architecture 5 2 3 Interfaces and Connection...

Страница 3: ...e a background in electronics and are familiar with its basic concepts 1 2 Organization This guide is divided into the following sections Chapter 1 About this Guide Describes the objectives audience a...

Страница 4: ...required to install and operate this board are provided within this document Backlight Demo System enables Back Light LCD designers to evaluate Microsemi s driver EDGE Lit solution with maximum flexib...

Страница 5: ...String 3 4 external components String 1 2 external components J8 J7 J9 J6 J5 SW1 String 1 Connector String 2 Connector String 3 Connector String 4 Connector 24 Vin Connector C S 1 48 LX23224IDB Figur...

Страница 6: ...ectors that connect to Microsemi LED demo panel PR 1004 A01 Table 2 LED Strings Connectors Table Pin Description Connector Pin No Signal Name Description J6 1 VDC DC Output voltage to LED string anode...

Страница 7: ...ux Manufacture part number CI5208P1H00 3 1 3 19BHost Connectors J5 Table 4 Host Connectors Table Pin Description Connector Pin No Signal Name Description J5 1 DIGITAL_DIM1 Digital dimming input line 5...

Страница 8: ...es see Figure 4 Users can configure the LED string LED count to any LED number they need Single LED forward voltage is 3V 125mA therefore for 120V output voltage 40 LEDs are needed LED OFF LED ON 5 10...

Страница 9: ...current capability power supply must provide 4A 2 Connect the power cable to J1 connector Figure 55 3 Plug power cable connectors to the power supply Red connector is pluged in the positive output te...

Страница 10: ...action is to be done in a sequential manner Table 6 LED System Board Troubleshooting Guide Symptom Corrective Action System Board does not power up no voltage on V12V C23 and VDD C44 pins 1 Verify pow...

Страница 11: ...herwise Any license under such intellectual property rights must be approved by Microsemi in writing signed by an officer of Microsemi Microsemi reserves the right to change the configuration function...

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