Texas Instruments bq24187 User Manual
Texas Instruments bq24187 User Manual

Texas Instruments bq24187 User Manual

Evaluation module

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The bq24187 evaluation module is a complete charger module for evaluating compact, flexible, high-
efficiency, USB-friendly, switch-mode charge management solution for single-cell, Li-ion and Li-polymer
batteries used in a wide range of portable applications.
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SLUUAI5 - April 2014
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bq24187 Evaluation Module User's Guide
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Copyright © 2014, Texas Instruments Incorporated
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List of Tables
bq24187 Evaluation Module User's Guide
User's Guide
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Summary of Contents for Texas Instruments bq24187

  • Page 1: Table Of Contents

    SLUUAI5 – April 2014 bq24187 Evaluation Module User's Guide The bq24187 evaluation module is a complete charger module for evaluating compact, flexible, high- efficiency, USB-friendly, switch-mode charge management solution for single-cell, Li-ion and Li-polymer batteries used in a wide range of portable applications.
  • Page 2: Introduction

    For details, see the bq24187 data sheet (SLUSBM0). bq24187EVM Features The bq24187 evaluation module (EVM) provides a complete charger module for evaluating compact, flexible, high-efficiency, USB-friendly, switch-mode battery charge solutions for single-cell, Li-ion and Li- polymer battery-powered systems used in a wide range of portable applications. Key EVM features include: •...
  • Page 3: Schematic

    6V, 2.5A 4.7uF Open HIGH TP10 5.62k STAT TP11 12.4k 1.50k 1.50k STAT 1 See BOM for values Figure 1. bq2418xEVM Schematic SLUUAI5 – April 2014 bq24187 Evaluation Module User's Guide Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated...
  • Page 4: I/O Description

    PSEL = HIGH: Default mode input current limit is set to 100 mA until changed by I2C. PSEL = LOW Default mode input current limit is set to 1.5 A until changed by I2C. bq24187 Evaluation Module User's Guide SLUUAI5 – April 2014 Submit Documentation Feedback...
  • Page 5: Recommended Operating Conditions

    Alternatively, a sourcemeter, capable of sourcing and sinking current can be used to simulate a battery. SLUUAI5 – April 2014 bq24187 Evaluation Module User's Guide Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated...
  • Page 6: 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 3-A current. 2.2.4 Computer A computer with at least one USB port and a USB cable is required. The BQ24187 evaluation software must be properly installed. 2.2.5 HPA172 Communication Kit (USB TO GPIO) An HPA172 USB-to-I C communication kit is required.
  • Page 7: Recommended Test Equipment Setup

    Figure 3. Connections of HPA172 Kit 9. Ensure jumpers are at the settings highlighted in yellow (except for JP1 which is not installed) per Section 1.6. SLUUAI5 – April 2014 bq24187 Evaluation Module User's Guide Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated...
  • Page 8: Recommended Initial Test Setup For Bq24187Evm-625

    Windows USB-TO- GPIO VM#3 Figure 4. Recommended Initial Test Setup for bq24187EVM-625 11. Turn on the computer. Open the BQ24187 evaluation software. Figure 5 shows the main window of the software. Figure 5. Main Window of BQ24187SW Evaluation Software bq24187 Evaluation Module User's Guide SLUUAI5 –...
  • Page 9: Recommended Test Procedure

    BAT_Load (PR1010). Use VM #2 across BAT and GND to measure the battery voltage seen by the IC. 2. To observe the VIN-DPM feature, lower the current limit on PS #1. SLUUAI5 – April 2014 bq24187 Evaluation Module User's Guide Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated...
  • Page 10: 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. bq24187 Evaluation Module User's Guide SLUUAI5 – April 2014 Submit Documentation Feedback...
  • Page 11: Bill Of Materials And Board Layout

    0.100 inch x 2 PEC02SAAN Sullins RES, 0 ohm, 5%, 0.063W, 0402 0402 CRCW04020000Z0ED Vishay-Dale SH-JP1 Shunt, 100mil, Gold plated, Black Shunt 969102-0000-DA SNT-100-BK-G Samtec SLUUAI5 – April 2014 bq24187 Evaluation Module User's Guide Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated...
  • Page 12: Board Layout

    Bill of Materials and Board Layout www.ti.com Board Layout Figure 6 through Figure 10 show the bq24187EVM-625 Rev A PCB layouts. Figure 6. Top Assembly Layer bq24187 Evaluation Module User's Guide SLUUAI5 – April 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated...
  • Page 13: Top Layer

    Bill of Materials and Board Layout www.ti.com Figure 7. Top Layer SLUUAI5 – April 2014 bq24187 Evaluation Module User's Guide Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated...
  • Page 14: First Internal Layer

    Bill of Materials and Board Layout www.ti.com Figure 8. First Internal Layer bq24187 Evaluation Module User's Guide SLUUAI5 – April 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated...
  • Page 15: Second Internal Layer

    Bill of Materials and Board Layout www.ti.com Figure 9. Second Internal Layer SLUUAI5 – April 2014 bq24187 Evaluation Module User's Guide Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated...
  • Page 16: Bottom Layer

    Bill of Materials and Board Layout www.ti.com Figure 10. Bottom Layer bq24187 Evaluation Module User's Guide SLUUAI5 – April 2014 Submit Documentation Feedback Copyright © 2014, Texas Instruments Incorporated...
  • Page 17 ADDITIONAL TERMS AND CONDITIONS, WARNINGS, RESTRICTIONS, AND DISCLAIMERS FOR EVALUATION MODULES Texas Instruments Incorporated (TI) markets, sells, and loans all evaluation boards, kits, and/or modules (EVMs) pursuant to, and user expressly acknowledges, represents, and agrees, and takes sole responsibility and risk with respect to, the following: 1.
  • Page 18 RADIO FREQUENCY REGULATORY COMPLIANCE INFORMATION FOR EVALUATION MODULES Texas Instruments Incorporated (TI) evaluation boards, kits, and/or modules (EVMs) and/or accompanying hardware that is marketed, sold, or loaned to users may or may not be subject to radio frequency regulations in specific countries.
  • Page 19 Les types d'antenne non inclus dans cette liste, ou dont le gain est supérieur au gain maximal indiqué, sont strictement interdits pour l'exploitation de l'émetteur. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2014, Texas Instruments Incorporated spacer Important Notice for Users of EVMs Considered “Radio Frequency Products”...
  • Page 20: Important Notice

    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.
  • Page 21 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments BQ24187EVM-625...

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