Texas Instruments BQ25181, Руководство пользователя

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User’s Guide
BQ25181 EVM User's Guide
ABSTRACT
This user's guide provides detailed testing instructions for the BQ25181 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 abbreviation EVM, BQ25181EVM, and the term evaluation module are
synonymous with the BQ25181 evaluation module, unless otherwise noted.
Caution
Caution hot surface
Contact can cause burns
Do not touch!
Some components may reach high
temperatures >55°C when the board is
powered on. The user must not touch
the board at any point during operation
or immediately after operating, as high
temperatures may be present.
Table of Contents
1 Introduction ............................................................................................................................................................................. 3
1.1 Features............................................................................................................................................................................. 3
1.2 EVM Setup......................................................................................................................................................................... 3
2 EVM Connectors and Test Points .......................................................................................................................................... 5
3 Testing Procedures ................................................................................................................................................................. 6
3.1 Equipment.......................................................................................................................................................................... 6
3.2 Charge Mode..................................................................................................................................................................... 6
3.3 Ship Mode.......................................................................................................................................................................... 9
3.4 Shutdown Mode............................................................................................................................................................... 10
4 Layout .................................................................................................................................................................................... 13
5 Schematics ............................................................................................................................................................................ 14
6 Bill of Materials ..................................................................................................................................................................... 17
List of Figures
Figure 1-1. EVM Connections...................................................................................................................................................... 4
Figure 3-1. BQ25181EVM Connections...................................................................................................................................... 6
Figure 3-2. TI Charger GUI Device Selection.............................................................................................................................. 7
Figure 3-3. BQ25181EVM Connected......................................................................................................................................... 7
Figure 3-4. BQ25181EVM GUI Quick Start................................................................................................................................. 8
Figure 3-5. BQ25181 Register Map............................................................................................................................................. 8
Figure 3-6. SHIP_RST Register: Enabling Ship Mode................................................................................................................ 9
Figure 3-7. SHIP_RST Register: Long Press Action to Enable Ship Mode............................................................................... 10
Figure 3-8. SHIP_RST Register: Enabling Shutdown Mode...................................................................................................... 11
Figure 3-9. SHIP_RST Register: Long Press Action to Enable Shutdown Mode...................................................................... 11
Figure 4-1. Top Overlay............................................................................................................................................................. 13
Figure 4-2. Top Solder............................................................................................................................................................... 13
Figure 4-3. Top Layer................................................................................................................................................................. 13
Figure 4-4. Bottom Layer........................................................................................................................................................... 13
Figure 4-5. Bottom Solder.......................................................................................................................................................... 13
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SLUUCL3 – APRIL 2022
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