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SLUUC11 – February 2019
Copyright © 2019, Texas Instruments Incorporated
BQ25886 QFN Standalone boost-mode battery charger evaluation module
Advance Information
User's Guide
SLUUC11 – February 2019
BQ25886 QFN Standalone boost-mode battery charger
evaluation module
This user's guide provides detailed testing instructions for the BQ25886 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
, BQ25886EVM,
BMS016
, and the term
evaluation
module
are synonymous with the BQ25886 QFN evaluation module, unless otherwise noted.
Contents
1
Introduction
...................................................................................................................
1.1
EVM Features
.......................................................................................................
1.2
I/O Descriptions
.....................................................................................................
2
Test Summary
................................................................................................................
2.1
Equipment
...........................................................................................................
2.2
Charge Mode
........................................................................................................
2.3
OTG Mode
..........................................................................................................
2.4
Helpful Tips
........................................................................................................
3
PCB Layout Guidelines
....................................................................................................
4
Board Layout, Schematic, and Bill of Materials
........................................................................
4.1
Board Layout
.......................................................................................................
4.2
Schematic
..........................................................................................................
4.3
Bill of Materials
....................................................................................................
List of Figures
1
BQ25886 Charge Mode Test Setup
......................................................................................
2
Charge Mode Startup
.......................................................................................................
3
BQ25886 OTG Mode Test Setup
..........................................................................................
4
OTG Mode Startup
..........................................................................................................
5
BQ2588xEVM Top Overlay
...............................................................................................
6
BQ2588xEVM Layer 2
.....................................................................................................
7
BQ2588xEVM Layer 3
.....................................................................................................
8
BQ2588xEVM Bottom Overlay
...........................................................................................
9
BQ25886EVM Schematic
.................................................................................................
List of Tables
1
Device Data Sheets
.........................................................................................................
2
EVM Connections
............................................................................................................
3
EVM Jumper Connections and Shunt Installation
.......................................................................
4
Recommended Operating Conditions
.....................................................................................
5
BQ25886EVM
..............................................................................................................