User’s Guide
LM74701-Q1EVM User Guide
ABSTRACT
This user’s guide describes the evaluation module (EVM) for TI's ideal diode controller, LM74701-Q1. This
document provides configuration information and test setup details for evaluating LM74701-Q1 devices. An EVM
schematic, board layout images, and bill of materials (BOM) are included.
Table of Contents
1 Introduction.............................................................................................................................................................................2
2 Setup........................................................................................................................................................................................2
2.1 I/O Connector Description..................................................................................................................................................2
2.2 Board Setup....................................................................................................................................................................... 3
2.3 Schematic.......................................................................................................................................................................... 4
3 LM74701-Q1EVM Performance Capture............................................................................................................................... 5
3.1 LM74701-Q1EVM Startup..................................................................................................................................................5
3.2 Startup Reverse Polarity (–12 V)....................................................................................................................................... 6
3.3 ISO 7637-2 Pulse 1 Performance...................................................................................................................................... 7
4 EVM Board Assembly Drawings and Layout Guidelines....................................................................................................8
4.1 PCB Drawings....................................................................................................................................................................8
4.2 Bill of Materials...................................................................................................................................................................9
5 Revision History....................................................................................................................................................................11
List of Figures
Figure 2-1. LM74701-Q1EVM Typical Application Circuit............................................................................................................2
Figure 2-2. LM74701-Q1EVM......................................................................................................................................................3
Figure 2-3. LM74701-Q1EVM Schematic....................................................................................................................................4
Figure 3-1. LM74701-Q1EVM Startup......................................................................................................................................... 5
Figure 3-2. Startup Reverse Polarity (–12 V)...............................................................................................................................6
Figure 3-3. Response to ISO 7637-2 Pulse 1..............................................................................................................................7
Figure 4-1. LM74701-Q1EVM Top Side Placement.....................................................................................................................8
Figure 4-2. LM74701-Q1EVM Bottom Side Placement............................................................................................................... 8
Figure 4-3. LM74701-Q1EVM Top Layer Routing....................................................................................................................... 8
Figure 4-4. LM74701-Q1EVM Bottom Layer Routing..................................................................................................................8
List of Tables
Table 4-1. Bill of Materials............................................................................................................................................................9
Trademarks
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www.ti.com Table of Contents
SNOU180A – JUNE 2021 – REVISED SEPTEMBER 2021
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