Texas Instruments BQ2573 Series User Manual

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User's Guide
BQ2573X Evaluation Module
The BQ25730EVM and BQ25731EVM evaluation modules (EVM) are I
charger. The input voltage range is between 3.5 V and 26 V, with a programmable output of 1-5 cells and a
charge output current range of 128 mA to 15 A. This EVM does not include the EV2400 interface device. The
EV2400 must be ordered separately to evaluate the BQ2573X EVM.
1 Introduction.............................................................................................................................................................................2
1.1 EVM Features....................................................................................................................................................................
1.2 General Description...........................................................................................................................................................
2 Test Summary.........................................................................................................................................................................
2.1 Definitions..........................................................................................................................................................................
2.2 Equipment..........................................................................................................................................................................
2.3 Equipment Setup................................................................................................................................................................6
2.4 Procedure...........................................................................................................................................................................9
3 Bill of Materials, Board Layout, and
3.1 Bill of Materials.................................................................................................................................................................10
3.2 Board Assembly Layout...................................................................................................................................................
3.3 Schematic........................................................................................................................................................................
Revision History.......................................................................................................................................................................21
Figure 2-2. Original Test Setup for BMS051 (BQ2573X EVM)....................................................................................................
Figure 2-3. BQ2573X Evaluation Software Main Window...........................................................................................................
Figure 2-4. EN_OTG....................................................................................................................................................................9
Figure 3-1. Top Assembly..........................................................................................................................................................
Figure 3-2. Bottom Assembly....................................................................................................................................................
Figure 3-3. PCB Layer 1............................................................................................................................................................
Figure 3-4. PCB Layer 2............................................................................................................................................................
Figure 3-5. PCB Layer 3............................................................................................................................................................
Figure 3-6. PCB Layer 4............................................................................................................................................................
Figure 3-7. BQ25730 EVM
Figure 3-8. BQ25731 EVM
Table 1-1. I/O Description............................................................................................................................................................
Table 1-2. Controls and Key Parameters
Table 1-3. Recommended Operating
Table 3-1. BQ2573X EVM Bill of Materials................................................................................................................................
Trademarks
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All trademarks are the property of their respective owners.
SLUUCB9A - JUNE 2020 - REVISED JANUARY 2021
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Table of Contents

Schematics...............................................................................................................10
List of Figures
Schematic.......................................................................................................................................19
Schematic.......................................................................................................................................20
List of Tables
Setting.........................................................................................................................3
Conditions.........................................................................................................................4
Copyright © 2021 Texas Instruments Incorporated
ABSTRACT
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C-controlled NVDC-1 buck boost
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BQ2573X Evaluation Module 1