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Figure 3-3. PCB Layer 1

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Bill of Materials, Board Layout, and Schematics

SLUUCB9A – JUNE 2020 – REVISED JANUARY 2021

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BQ2573X Evaluation Module

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Copyright © 2021 Texas Instruments Incorporated

Summary of Contents for BQ2573 Series

Page 1: ...Schematic 19 Revision History 21 List of Figures Figure 2 2 Original Test Setup for BMS051 BQ2573X EVM 7 Figure 2 3 BQ2573X Evaluation Software Main Window 8 Figure 2 4 EN_OTG 9 Figure 3 1 Top Assemb...

Page 2: ...valuate the BQ2573X EVM order an EV2400 interface board separately The BQ2573X is a synchronous NVDC 1 battery buck boost charge controller offering a low component count high efficiency solution for...

Page 3: ...s and Key Parameters Setting Jumper Description Factory Setting JP2 Jumper on Forward Mode Jumper off Enable OTG Installed JP3 CELL setting spa1S JP3 1 2 measure CELL pin voltage 1 2 V spa2S JP3 3 4 m...

Page 4: ...2 20 26 V Battery voltage VBAT Voltage applied at VBAT terminal 0 23 V Supply current IAC Maximum input current from ac adapter input 0 10 A Output current IOUT Output current 0 15 A Operating junctio...

Page 5: ...within specified limits the unit under test has failed Observe A B Observe if A B occurs If they do not occur the unit under test has failed Assembly drawings have locations for jumpers test points an...

Page 6: ...off load 1 5 Connect Load 2 in series with a current meter to J5 VBAT and PGND Connect a voltage meter across J5 VBAT and PGND Set 7 V at KEPCO load output Turn off Load 2 Note Add a 47 F capacitor on...

Page 7: ...Open the BQstudio software a Select Charger and click the Next button b Select Charger_1_00_BQ2573x bqz on the Select a Target Page c After selecting the target device change update mode from immedia...

Page 8: ...2 3 BQ2573X Evaluation Software Main Window Test Summary www ti com 8 BQ2573X Evaluation Module SLUUCB9A JUNE 2020 REVISED JANUARY 2021 Submit Document Feedback Copyright 2021 Texas Instruments Incorp...

Page 9: ...VBAT 7 V 0 5 V Measure I J5 VBAT 2 A 0 5 A 2 4 2 OTG Function Use the following for OTG function settings 1 Connect a 7 V power supply to the VBAT load Remove the VIN power supply from J1 Connection...

Page 10: ...0 pF 50 V 5 C0G NP0 0402 402 GRM1555C1H681JA01D MuRata C33 1 4700pF CAP CERM 4700 pF 50 V 10 X7R 0402 402 GRM155R71H472KA01D MuRata C34 1 15pF CAP CERM 15 pF 50 V 5 C0G NP0 0402 402 GRM1555C1H150JA01D...

Page 11: ...shay Dale R14 1 20k RES 20 k 5 0 1 W AEC Q200 Grade 0 0603 603 CRCW060320K0JNEA Vishay Dale R15 R16 R18 3 10 RES 10 5 0 1 W AEC Q200 Grade 0 0603 603 CRCW060310R0JNEA Vishay Dale R17 R25 R32 R33 R35 R...

Page 12: ...anasonic C13 C14 0 330pF CAP CERM 330 pF 50 V 10 X7R 0603 603 GRM188R71H331KA01D MuRata C50 C54 C56 0 33uF CAP TA 33 uF 35 V 20 0 065 ohm SMD 7343 31 T521D336M035ATE065 Kemet C57 0 0 068uF CAP CERM 0...

Page 13: ...rate the board assembly layout images Figure 3 1 Top Assembly www ti com Bill of Materials Board Layout and Schematics SLUUCB9A JUNE 2020 REVISED JANUARY 2021 Submit Document Feedback BQ2573X Evaluati...

Page 14: ...ottom Assembly Bill of Materials Board Layout and Schematics www ti com 14 BQ2573X Evaluation Module SLUUCB9A JUNE 2020 REVISED JANUARY 2021 Submit Document Feedback Copyright 2021 Texas Instruments I...

Page 15: ...PCB Layer 1 www ti com Bill of Materials Board Layout and Schematics SLUUCB9A JUNE 2020 REVISED JANUARY 2021 Submit Document Feedback BQ2573X Evaluation Module 15 Copyright 2021 Texas Instruments Inc...

Page 16: ...PCB Layer 2 Bill of Materials Board Layout and Schematics www ti com 16 BQ2573X Evaluation Module SLUUCB9A JUNE 2020 REVISED JANUARY 2021 Submit Document Feedback Copyright 2021 Texas Instruments Inc...

Page 17: ...PCB Layer 3 www ti com Bill of Materials Board Layout and Schematics SLUUCB9A JUNE 2020 REVISED JANUARY 2021 Submit Document Feedback BQ2573X Evaluation Module 17 Copyright 2021 Texas Instruments Inc...

Page 18: ...PCB Layer 4 Bill of Materials Board Layout and Schematics www ti com 18 BQ2573X Evaluation Module SLUUCB9A JUNE 2020 REVISED JANUARY 2021 Submit Document Feedback Copyright 2021 Texas Instruments Inc...

Page 19: ...1 2 3 Q10 PGND 0 1uF C22 CHG_OK GND 26V Z1 PGND 1 0 R13 VIN 4 3 2 Q9A DCX124EK 7 F 1 6 5 Q9B DCX124EK 7 F 10 0 R10 PGND 10 0k R17 3V3 4 7 8 1 2 3 5 6 Q7 4 7 8 1 2 3 5 6 Q6 470nF 50V C25 GND 1 2 3 4 J...

Page 20: ...1 0 R13 VIN 4 3 2 Q9A DCX124EK 7 F 1 6 5 Q9B DCX124EK 7 F 10 0 R10 PGND 10 0k R17 3V3 4 7 8 1 2 3 5 6 Q7 4 7 8 1 2 3 5 6 Q6 470nF 50V C25 GND 1 2 3 4 J3 0022053041 10uF C26 300k R29 33pF C31 15pF C34...

Page 21: ...on June 2020 to Revision A January 2021 Page Updated the numbering format for tables figures and cross references throughout the document 1 Updated all figures 1 www ti com Revision History SLUUCB9A J...

Page 22: ...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...

Page 23: ...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...

Page 24: ...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...

Page 25: ...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...

Page 26: ...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...

Page 27: ...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 reproduction and...

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