1
SNVU472A–October 2016–Revised February 2017
Submit Documentation Feedback Copyright © 2016–2017, Texas Instruments Incorporated
The LP8756xQ1EVM Evaluation Module
User's Guide
SNVU472A–October 2016–Revised February 2017
The LP8756xQ1EVM Evaluation Module
This user’s guide describes the operation of the evaluation module for the LP8756xQ1 multi-phase 4-core
step-down converter from Texas Instruments (TI). The LP8756xQ1 can be used in five different output
configurations, and this user’s guide includes all these five variants (see Table 1). The user’s guide also
provides design information including the schematic and bill of materials (BOM).
Contents
1 Overview...................................................................................................................... 3
2 Quick Setup Guide........................................................................................................... 3
2.1 Installing/Opening the Software .................................................................................. 4
2.2 Power Supply Setup................................................................................................ 8
2.3 Notes on Efficiency Measurement Procedure................................................................. 12
3 GUI Overview............................................................................................................... 12
3.1 Main Tab ........................................................................................................... 12
3.2 Other Tabs and Menus........................................................................................... 13
3.3 Console............................................................................................................. 20
4 Bill of Materials ............................................................................................................. 22
5 Board Layout................................................................................................................ 24
6 LP8756xQ1EVM Schematics............................................................................................. 30
List of Figures
1 LP8756xQ1EVM ............................................................................................................. 3
2 LP8756 Installer License Agreement...................................................................................... 4
3 Features of LP8756 Installation............................................................................................ 5
4 LP8756 Destination Folder ................................................................................................. 5
5 LP8756 Installation Complete.............................................................................................. 6
6 Evaluation Software Graphical User Interface (GUI) When Board Connected...................................... 7
7 Assert nRST.................................................................................................................. 8
8 Read Registers Buttons..................................................................................................... 9
9 BUCK0 Enabled............................................................................................................ 10
10 Assert EN1.................................................................................................................. 11
11 Accessing Direct Register Write.......................................................................................... 14
12 Direct Register Access View.............................................................................................. 15
13 Selecting Register Values................................................................................................. 16
14 Register Update Mode..................................................................................................... 17
15 Config Tab of the LP8756 GUI........................................................................................... 18
16 Advanced Tab of LP8756 GUI ........................................................................................... 19
17 Opening Console........................................................................................................... 20
