Texas Instruments LM74701-Q1EVM, Руководство пользователя

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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
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SNOU180A – JUNE 2021 – REVISED SEPTEMBER 2021
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