User’s Guide
BQ25300, BQ25302, BQ25303J Evaluation Module
ABSTRACT
This user's guide provides detailed testing instructions for the BQ25300, BQ25302, BQ25303J evaluation
module (EVM). Also included are descriptions of the necessary equipment, equipment setup, procedures, the
printed-circuit board layouts, schematics, and the bill of materials (BOM).
Throughout this user's guide, the abbreviations EVM, BMS005, and the term evaluation module are synonymous
with the BQ2530X evaluation module, unless otherwise noted.
Table of Contents
1 Introduction.............................................................................................................................................................................2
1.1 EVM Features.................................................................................................................................................................... 2
1.2 I/O Descriptions..................................................................................................................................................................2
2 Test Setup and Results.......................................................................................................................................................... 3
2.1 Equipment.......................................................................................................................................................................... 3
2.2 Equipment Setup................................................................................................................................................................3
2.3 Test Procedure................................................................................................................................................................... 4
3 PCB Layout Guideline............................................................................................................................................................ 6
4 Board Layout, Schematic, and Bill of Materials...................................................................................................................7
4.1 Board Layout......................................................................................................................................................................7
4.2 Schematic.......................................................................................................................................................................... 8
4.3 Bill of Materials.................................................................................................................................................................10
5 Revision History................................................................................................................................................................... 12
List of Figures
Figure 2-1. Original Test Setup for BMS005................................................................................................................................ 3
Figure 4-1. Top Overlay............................................................................................................................................................... 7
Figure 4-2. Top Solder................................................................................................................................................................. 7
Figure 4-3. Top Layer...................................................................................................................................................................7
Figure 4-4. Bottom Layer............................................................................................................................................................. 7
Figure 4-5. Bottom Solder............................................................................................................................................................7
Figure 4-6. Bottom Overlay..........................................................................................................................................................7
Figure 4-7. Schematic..................................................................................................................................................................9
List of Tables
Table 1-1. Device Data Sheet...................................................................................................................................................... 2
Table 1-2. EVM I/O Connections................................................................................................................................................. 2
Table 1-3. EVM Jumper and Shunt Installation............................................................................................................................2
Table 2-1. Precharge Current Measurement............................................................................................................................... 4
Table 2-2. Fast Charge Current Measurement............................................................................................................................ 4
Table 4-1. BQ2530X Inductor Selection.......................................................................................................................................8
Table 4-2. BQ25302EVM Bill of Materials..................................................................................................................................10
Trademarks
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SLUUC53A – OCTOBER 2020 – REVISED MARCH 2021
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