Texas Instruments LP875761Q1EVM User Manual

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User's Guide
The LP875761Q1EVM Evaluation Module
This user's guide describes the operation of the BMC043 evaluation module for the LP875761-Q1 multi-phase 4-
core step-down converter from Texas Instruments (TI). The LP875761-Q1 is intended to be used in 4-phase
output configuration (see
and bill of materials (BOM).
1 Trademarks..............................................................................................................................................................................2
2 Overview..................................................................................................................................................................................3
3 Quick Setup Guide..................................................................................................................................................................3
3.1 Installing/Opening the Software.........................................................................................................................................
3.2 Power Supply Setup...........................................................................................................................................................7
3.3 Notes on Efficiency Measurement Procedure..................................................................................................................
4 GUI Overview........................................................................................................................................................................
4.1 Main Tab...........................................................................................................................................................................10
4.2 Other Tabs and Menus.....................................................................................................................................................
4.3 Console............................................................................................................................................................................
5 Bill of Materials.....................................................................................................................................................................
6 Board Layout.........................................................................................................................................................................21
7 LP875761Q1EVM Schematics..............................................................................................................................................29
8 Revision History...................................................................................................................................................................
Figure 2-1. LP875761Q1EVM.....................................................................................................................................................
Figure 3-1. LP8757 Installer License Agreement........................................................................................................................
Figure 3-2. Features of LP8757
Figure 3-3. LP8757 Destination
Figure 3-4. LP8757 Installation Complete...................................................................................................................................
Figure 3-5. Evaluation Software Graphical User Interface (GUI) When Board Connected.........................................................
Figure 3-6. Assert nRST..............................................................................................................................................................
Figure 3-7. Read Registers Buttons............................................................................................................................................
Figure 3-8. BUCK0 Enabled........................................................................................................................................................
Figure 3-9. Assert EN1................................................................................................................................................................
Figure 4-1. Accessing Direct Register Write..............................................................................................................................
Figure 4-2. Direct Register Access View...................................................................................................................................
Figure 4-3. Selecting Register
Figure 4-4. Register Update Mode............................................................................................................................................
Figure 4-5. Config Tab of the LP8757 GUI................................................................................................................................
Figure 4-6. Advanced Tab of LP8757
Figure 4-7. Opening Console.....................................................................................................................................................17
Figure 4-8. Example of Command Use in Console...................................................................................................................
Figure 6-1. Board Stack-Up.......................................................................................................................................................
Figure 6-2. Top View of the
SNVU751 - OCTOBER 2020
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Table 2-1). The user's guide also provides design information including the schematic
Warning Warning Hot surface.
Contact may cause burns.
Do not touch!

Table of Contents

List of Figures
Installation.................................................................................................................................5
Folder........................................................................................................................................5
Values........................................................................................................................................14
GUI.................................................................................................................................16
LP875761-Q1EVM.........................................................................................................................22
Copyright © 2020 Texas Instruments Incorporated
ABSTRACT
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The LP875761Q1EVM Evaluation Module
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