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SNOU153A–October 2017–Revised February 2019
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LM74700 Evaluation Module
User's Guide
SNOU153A–October 2017–Revised February 2019
LM74700 Evaluation Module
This user’s guide describes the evaluation module (EVM) for TI's ideal diode controller, LM74700-Q1. This
document provides configuration information and test setup details for evaluating LM74700-Q1 devices.
An EVM schematic, board layout images, and bill of materials (BOM) are included.
Contents
1 Introduction ................................................................................................................... 2
2 Setup .......................................................................................................................... 2
2.1 I/O Connector Description ......................................................................................... 2
2.2 Board Setup ......................................................................................................... 3
2.3 Schematic............................................................................................................ 4
3 Operation ..................................................................................................................... 5
3.1 Reverse Polarity Protection ....................................................................................... 5
3.2 ORing Application .................................................................................................. 6
4 EVM Board Assembly Drawings and Layout Guidelines ............................................................... 7
4.1 PCB Drawings....................................................................................................... 7
4.2 Bill of Materials .................................................................................................... 11
List of Figures
1 LM74700EVM Typical Application Circuit ................................................................................ 2
2 LM74700EVM ................................................................................................................ 3
3 LM74700EVM Schematic .................................................................................................. 4
4 Reverse Polarity 12 V to –12 V ........................................................................................... 5
5 Startup Reverse Polarity (–12 V) .......................................................................................... 5
6 ORing Application – Higher Supply Switchover ......................................................................... 6
7 ORing Application 12-V – Lower Supply Test ........................................................................... 6
8 LM74700EVM Top Side Placement....................................................................................... 7
9 LM74700EVM Bottom Side Placement................................................................................... 8
10 LM74700EVM Top Layer Routing......................................................................................... 9
11 LM74700EVM Bottom Layer Routing.................................................................................... 10
List of Tables
1 Bill of Materials ............................................................................................................. 11
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