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1 Introduction

The BQ25306EVM is an evaluation kit for the BQ25306 integrated battery charge management IC.

1.1 Features

For detailed features and operation, refer to 

Table 1-1

 for a list of devices and their data sheets.

Table 1-1. Device Data Sheets

Device

Data Sheet

EVM Label

Variant

BQ25306

SLUSDC7

BQ25306EVM

BMS005-004

The BMS005 evaluation module (EVM) is a complete charger module for evaluating an integrated, standalone,
synchronous buck battery charger using any of the devices listed above.

1.2 I/O Descriptions

Table 1-2

 lists the input and output connections available on this EVM and their respective descriptions.

Table 1-2. EVM I/O Connections

Jack

Description

J1(1) –GND

Ground

J1(2) –EXT_TS

Connect to thermistor of external battery

J1(3) – BATTERY

Positive rail of the charger battery input, connected to the positive
terminal of the external battery

J2(1) –GND

Ground

J2(2) –VIN

Positive rail of the charger input voltage

Table 1-3

 lists the jumper and shunt installations available on this EVM and their respective descriptions.

Table 1-3. EVM Jumper and Shunt Installation

Jack

Description

BQ25306 Setting

SH-JP1

EN pull-up rail selection.
1-2 pulls EN up to external VDD (EN_CTRL either REGN or external voltage source depending on
JP3 configuration.)
2-3 pulls EN down to GND.

JP1 2-3 Installed

SH-JP2

POL pull-up rail selection.
1-2 POL pull down to GND.

Shunt Not Installed

SH-JP3

EN external VDD rail selection (EN_CTRL)
1-2 pulls EN_CTRL to external voltage supply connected to JP3-1
2-3 pulls EN_CTRL to REGN

Shunt Not Installed

SH-JP4

Set charge regulation voltage of BQ25306 to 4.2V

Installed

SH-JP5

Set charge regulation voltage of BQ25306 to 8.4V

Shunt Not Installed

SH-JP6

VSET Short to GND.
For charge regulation voltage corresponding to this setting, refer to datasheet of the respective
battery charger IC shown in 

Table 1-1

.

Jumper Not Installed

SH-JP7

VSET Resistor pull down to GND of 10.2kΩ
For charge regulation voltage corresponding to this setting, refer to datasheet of the respective
battery charger IC shown in 

Table 1-1

.

Jumper Not Installed

SH-JP8

VSET Resistor pull down to GND of 51.1kΩ
For charge regulation voltage corresponding to this setting, refer to datasheet of the respective
battery charger IC shown in 

Table 1-1

.

Jumper Not Installed

SH-JP9

ICHG Resistor pull down to GND with 40.2kΩ to set charge current to 1A.
Populate both SH-JP9 and SH-JP10 to program 3A charge current.

Installed

SH-JP10

ICHG Resistor pull down to GND with 20kΩ to set charge current to 2A.
Populate both SH-JP9 and SH-JP10 to program 3A charge current.

Shunt Not Installed

For recommended operating conditions, refer to data sheet of the respective battery charger IC shown in 

Table

1-1

.

Introduction

www.ti.com

2

BQ25306 (BMS005) Evaluation Module

SLUUC50A – MARCH 2020 – REVISED DECEMBER 2020

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Copyright © 2020 Texas Instruments Incorporated

Содержание BQ25306EVM

Страница 1: ...erials 6 4 1 Board Layout 6 4 2 Schematic 9 4 3 Bill of Materials 10 5 Revision History 13 List of Figures Figure 2 1 Original Test Setup for BMS005 004 3 Figure 2 2 BQ25306EVM 1 Cell Efficiency 5 Fig...

Страница 2: ...n 1 2 POL pull down to GND Shunt Not Installed SH JP3 EN external VDD rail selection EN_CTRL 1 2 pulls EN_CTRL to external voltage supply connected to JP3 1 2 3 pulls EN_CTRL to REGN Shunt Not Install...

Страница 3: ...A current limit and then turn off the supply 3 Set PS2 for 3 V DC 2 A current limit and then turn off the supply 4 Connect the output of PS1 to J2 VBUS and PGND as shown in Figure 2 1 5 Connect a vol...

Страница 4: ...4 Battery Temperature Monitoring Verification 1 Connect PS2 across TS TP7 and PGND TP12 Turn on PS2 and take measurements as follows a Measure VTS TS TP7 and PGND TP12 3V 0 1V b Observe STAT LED D2 o...

Страница 5: ...elying on the digital readouts of the power supply 3 When using a source meter that can source and sink current as your battery simulator TI highly recommends adding a large 1000 F capacitor at the EV...

Страница 6: ...exposed power pad on the backside of the IC package be soldered to the PCB ground Ensure that there are sufficient thermal vias directly under the IC connecting to the ground plane on the other layer...

Страница 7: ...m Layer Figure 4 5 Bottom Solder www ti com Board Layout Schematic and Bill of Materials SLUUC50A MARCH 2020 REVISED DECEMBER 2020 Submit Document Feedback BQ25306 BMS005 Evaluation Module 7 Copyright...

Страница 8: ...om Overlay Board Layout Schematic and Bill of Materials www ti com 8 BQ25306 BMS005 Evaluation Module SLUUC50A MARCH 2020 REVISED DECEMBER 2020 Submit Document Feedback Copyright 2020 Texas Instrument...

Страница 9: ...VSET_FB 10 F C8 10 F C9 EN_CTRL VBUS 1 STAT 3 ICHG 4 FB 9 POL 5 BAT 10 TS 7 FB_GND 8 EN 6 SW 14 GND 11 GND 12 SW 13 BTST 15 REGN 2 PMID 16 PAD 17 BQ25306RTER U1 0 1uF C3 GND GND GND GND GND REGN TS 1...

Страница 10: ...ptacle 3x1 3 81mm R A TH Term Block 3 pos 1727023 Phoenix Contact J2 1 Conn Term Block 2POS 3 81mm TH 2POS Terminal Block 1727010 Phoenix Contact JP1 JP3 2 Header 100mil 3x1 Tin TH Header 3 PIN 100mil...

Страница 11: ...e Testpoint 5012 Keystone TP2 TP4 2 Test Point Multipurpose Red TH Red Multipurpose Testpoint 5010 Keystone TP3 1 Test Point Multipurpose Orange TH Orange Multipurpose Testpoint 5013 Keystone TP5 1 Te...

Страница 12: ...0 1 00 RES 1 00 1 0 063 W AEC Q200 Grade 0 0402 0402 CRCW04021R00F KED Vishay Dale R3 0 10 2k RES 10 2 k 1 0 063 W AEC Q200 Grade 0 0402 0402 CRCW040210K2F KED Vishay Dale R4 0 51 1k RES 51 1 k 1 0 06...

Страница 13: ...version Changes from Revision March 2020 to Revision A December 2020 Page Changed from Advance Information to Production Data 2 www ti com Revision History SLUUC50A MARCH 2020 REVISED DECEMBER 2020 Su...

Страница 14: ...ther than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control tec...

Страница 15: ...These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not in...

Страница 16: ...instructions set forth by Radio Law of Japan which includes but is not limited to the instructions below with respect to EVMs which for the avoidance of doubt are stated strictly for convenience and s...

Страница 17: ...any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electr...

Страница 18: ...R DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthe...

Страница 19: ...e resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reprod...

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