Texas Instruments bq24261M User Manual
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Texas Instruments bq24261M User Manual

Wcsp-packaged 3-a battery charger evaluation module
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User's Guide for WCSP-Packaged bq24261M 3-A Battery
The bq24261M evaluation module is a complete charger module for evaluating compact, flexible, high-
efficiency, USB-friendly, switch-mode charge management solutions for single-cell, Li-ion and Li-polymer
batteries used in a wide range of portable applications.
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SLUUBB5A - April 2015 - Revised October 2015
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Copyright © 2015, Texas Instruments Incorporated
SLUUBB5A - April 2015 - Revised October 2015
Charger Evaluation Module
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User's Guide for WCSP-Packaged bq24261M 3-A Battery Charger
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Evaluation Module

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Summary of Contents for Texas Instruments bq24261M

  • Page 1: Table Of Contents

    User's Guide for WCSP-Packaged bq24261M 3-A Battery Charger Evaluation Module The bq24261M evaluation module is a complete charger module for evaluating compact, flexible, high- efficiency, USB-friendly, switch-mode charge management solutions for single-cell, Li-ion and Li-polymer batteries used in a wide range of portable applications.

  • Page 2: Introduction

    For details, see the bq24261M data sheet (SLUSC09). bq24261M EVM Features The bq24261M evaluation module (EVM) on PCB PWR691 provide a complete charger module for evaluating compact, flexible, high-efficiency, USB-friendly, switch-mode battery charge and power path management solution for single-cell, Li-ion and Li-polymer battery-powered systems used in a wide range of portable applications.

  • Page 3: Schematic

    ED555/2DS TP10 12.4k 1.50k 1.50k 22-05-3041 STAT TP11 100k Figure 1. bq24261MEVM Schematic SLUUBB5A – April 2015 – Revised October 2015 User's Guide for WCSP-Packaged bq24261M 3-A Battery Charger Evaluation Module Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...

  • Page 4: I/O Description

    J15 - USB-to-GPIO USB-to-GPIO box keyed connector Test Points Test Point Description STAT TP10 TP11 User's Guide for WCSP-Packaged bq24261M 3-A Battery Charger SLUUBB5A – April 2015 – Revised October 2015 Evaluation Module Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...

  • Page 5: Control And Key Parameters Setting

    Battery charge current (registers set via I2C communication) 0.500 CHRG(MAX) Operating junction temperature range, T °C SLUUBB5A – April 2015 – Revised October 2015 User's Guide for WCSP-Packaged bq24261M 3-A Battery Charger Evaluation Module Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...

  • Page 6: Test Summary

    Figure 2 can simulate a battery when connected to a power supply. User's Guide for WCSP-Packaged bq24261M 3-A Battery Charger SLUUBB5A – April 2015 – Revised October 2015 Evaluation Module Submit Documentation Feedback...

  • Page 7: Bat_Load (Pr1010) Schematic

    Four equivalent voltage meters (VM #) and two equivalent current meters (CM #) are required. The current meters must be able to measure 2-A current. 2.2.5 Computer A computer with at least one USB port and a USB cable is required. The bq24261M evaluation software must be properly installed. 2.2.6 HPA172 Communication Kit (USB TO GPIO) An HPA172 USB-to-I C communication kit is required.

  • Page 8: Recommended Test Equipment Setup

    9. After the preceding steps have been performed, the test setup for bq24261MEVM-691 is configured as is shown in Figure User's Guide for WCSP-Packaged bq24261M 3-A Battery Charger SLUUBB5A – April 2015 – Revised October 2015 Evaluation Module Submit Documentation Feedback...

  • Page 9: Original Test Setup For Bq24261Mevm-691

    Test Summary www.ti.com Figure 4. Original Test Setup for bq24261MEVM-691 10. Turn on the computer. Open the bq24261M evaluation software. The main window of the software is shown in Figure SLUUBB5A – April 2015 – Revised October 2015 User's Guide for WCSP-Packaged bq24261M 3-A Battery Charger...

  • Page 10: Recommended Test Procedure

    Set Reset Watchdog Timer to reset every 5 seconds. • Uncheck Disable Charging if checked. • Check Enable STAT/INT Outputs. User's Guide for WCSP-Packaged bq24261M 3-A Battery Charger SLUUBB5A – April 2015 – Revised October 2015 Evaluation Module Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...
  • Page 11 (for example, 0.010 Ω in 1206 or larger footprint) resistor in series between the BAT pin and battery and measure the voltage across that resistor. SLUUBB5A – April 2015 – Revised October 2015 User's Guide for WCSP-Packaged bq24261M 3-A Battery Charger Evaluation Module Submit Documentation Feedback...

  • Page 12: Printed-Circuit Board Layout Guideline

    7. For high-current applications, the balls for the power paths must be connected to as much copper in the board as possible. This allows better thermal performance because the board conducts heat away from the IC. User's Guide for WCSP-Packaged bq24261M 3-A Battery Charger SLUUBB5A – April 2015 – Revised October 2015 Evaluation Module Submit Documentation Feedback Copyright ©...

  • Page 13: Bill Of Materials And Board Layout

    3A, 30V, Host-Controlled Single-Input, Single Cell Switchmode Li-Ion Battery Charger Texas Instruments bq24261MYFF with Power Path Management and USB-OTG Support, YFF0036ADAD SLUUBB5A – April 2015 – Revised October 2015 User's Guide for WCSP-Packaged bq24261M 3-A Battery Charger Evaluation Module Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...

  • Page 14: Board Layout

    Figure 11 illustrate the PCB layouts for this EVM. Figure 6. Top Assembly Layer User's Guide for WCSP-Packaged bq24261M 3-A Battery Charger SLUUBB5A – April 2015 – Revised October 2015 Evaluation Module Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...

  • Page 15: Top Layer

    Bill of Materials and Board Layout www.ti.com Figure 7. Top Layer SLUUBB5A – April 2015 – Revised October 2015 User's Guide for WCSP-Packaged bq24261M 3-A Battery Charger Evaluation Module Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...

  • Page 16: First Internal Layer

    Bill of Materials and Board Layout www.ti.com Figure 8. First Internal Layer User's Guide for WCSP-Packaged bq24261M 3-A Battery Charger SLUUBB5A – April 2015 – Revised October 2015 Evaluation Module Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...

  • Page 17: Second Internal Layer

    Bill of Materials and Board Layout www.ti.com Figure 9. Second Internal Layer SLUUBB5A – April 2015 – Revised October 2015 User's Guide for WCSP-Packaged bq24261M 3-A Battery Charger Evaluation Module Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...

  • Page 18: Bottom Layer

    Bill of Materials and Board Layout www.ti.com Figure 10. Bottom Layer User's Guide for WCSP-Packaged bq24261M 3-A Battery Charger SLUUBB5A – April 2015 – Revised October 2015 Evaluation Module Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...

  • Page 19: Bottom Assembly Drawing

    Bill of Materials and Board Layout www.ti.com Figure 11. Bottom Assembly Drawing SLUUBB5A – April 2015 – Revised October 2015 User's Guide for WCSP-Packaged bq24261M 3-A Battery Charger Evaluation Module Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...
  • Page 20 Changed J2 – USB To: J2 – Do not use in Section 1.4 NOTE: Page numbers for previous revisions may differ from page numbers in the current version. Revision History SLUUBB5A – April 2015 – Revised October 2015 Submit Documentation Feedback Copyright © 2015, Texas Instruments Incorporated...
  • Page 21 STANDARD TERMS AND CONDITIONS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, or documentation (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms and conditions set forth herein. Acceptance of the EVM is expressly subject to the following terms and conditions.
  • Page 22 FCC Interference Statement for Class B EVM devices NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
  • Page 23 【無線電波を送信する製品の開発キットをお使いになる際の注意事項】 開発キットの中には技術基準適合証明を受けて いないものがあります。 技術適合証明を受けていないもののご使用に際しては、電波法遵守のため、以下のいずれかの 措置を取っていただく必要がありますのでご注意ください。 1. 電波法施行規則第6条第1項第1号に基づく平成18年3月28日総務省告示第173号で定められた電波暗室等の試験設備でご使用 いただく。 2. 実験局の免許を取得後ご使用いただく。 3. 技術基準適合証明を取得後ご使用いただく。 なお、本製品は、上記の「ご使用にあたっての注意」を譲渡先、移転先に通知しない限り、譲渡、移転できないものとします。 上記を遵守頂けない場合は、電波法の罰則が適用される可能性があることをご留意ください。 日本テキサス・イ ンスツルメンツ株式会社 東京都新宿区西新宿６丁目２４番１号 西新宿三井ビル 3.3.3 Notice for EVMs for Power Line Communication: Please see http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page 電力線搬送波通信についての開発キットをお使いになる際の注意事項については、次のところをご覧くださ い。http://www.tij.co.jp/lsds/ti_ja/general/eStore/notice_02.page SPACER EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS.
  • Page 24 Notwithstanding the foregoing, any judgment may be enforced in any United States or foreign court, and TI may seek injunctive relief in any United States or foreign court. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2015, Texas Instruments Incorporated...
  • Page 25 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue.

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