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Texas Instruments bq77PL900EVM-001 User Manual
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Texas Instruments bq77PL900EVM-001 User Manual

Texas Instruments bq77PL900EVM-001 User Manual

This evaluation module (evm) is a complete evaluation system for the bq77pl900, a five- to ten-cell li-ion battery protection and afe integrated circuit
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This evaluation module (EVM) is a complete evaluation system for the bq77PL900, a five- to ten-cell Li-ion
battery protection and AFE integrated circuit. The EVM includes one bq77PL900 circuit module. Microsoft
Windows
based PC software is available for download. An communication adapter is required to
®
interface this EVM with the PC and can be purchased separately. The circuit module includes one
bq77PL900 integrated circuit (IC), sense resistor, power FETs and all other onboard components
necessary to protect the cells from overcharge, over discharge, short circuit, and over current discharge in
5 to 10 series cell Li-ion or Li-polymer battery packs. The circuit module connects directly across the cells
in a battery. With the EV2300 interface board and software, the user can read the bq77PL900 data
registers, program the IC protection limits, and evaluate the overall functionality of the bq77PL900 solution
under different operational conditions.
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SLUU324B - July 2008 - Revised March 2018
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Copyright © 2008-2018, Texas Instruments Incorporated
SLUU324B - July 2008 - Revised March 2018

bq77PL900EVM-001

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Summary of Contents for Texas Instruments bq77PL900EVM-001

  • Page 1: Table Of Contents

    ........................ References: ..............bq77PL900 Circuit Module Physical Construction ....................... Board Layout ....................Bill of Materials .......... bq77PL900 Circuit Module Performance Specification Summary SLUU324B – July 2008 – Revised March 2018 bq77PL900EVM-001 Submit Documentation Feedback Copyright © 2008–2018, Texas Instruments Incorporated...

  • Page 2: Contents 1 Features

    • 4 wire cable Table 1. Ordering Information EVM Part Number Chemistry Configuration Capacity bq77PL900EVM-001 Li-ion Five to ten cells bq77PL900EVM-001 SLUU324B – July 2008 – Revised March 2018 Submit Documentation Feedback Copyright © 2008–2018, Texas Instruments Incorporated...

  • Page 3: Bq77Pl900 Circuit Module And Interfaces

    Reference Pin Number Signal Description Designator 1, 2 PACK+ Positive output of evaluation board 1, 2 PACK– Negative output of evaluation board SLUU324B – July 2008 – Revised March 2018 bq77PL900EVM-001 Submit Documentation Feedback Copyright © 2008–2018, Texas Instruments Incorporated...

  • Page 4: Bq77Pl900 Circuit Module Configuration

    (GND, connecting pins 1-2) provides a low. Table 7 shows configuration settings for different cell counts. bq77PL900EVM-001 SLUU324B – July 2008 – Revised March 2018 Submit Documentation Feedback Copyright © 2008–2018, Texas Instruments Incorporated...

  • Page 5: Logic Level Selection

    VLOG Selection Down 3.3V Pre-Charge Configuration The bq77PL900EVM-001 circuit module includes a pre-charge current path. The IC PMS pin is configured by J9. Table 9 shows configuration selections. Refer to the bq77PL900 datasheet for more information. The current path is made up of the pre-charge FET Q5 and resistor R19. The value of R19 on the EVM was selected to meet its power rating with 42V and nominal resistance.

  • Page 6: Cell Monitor Connections

    If your system does not require D1 and D8, these are located on the bottom side of the board and may be shorted. Refer to section 9 for location of these components. bq77PL900EVM-001 SLUU324B – July 2008 – Revised March 2018 Submit Documentation Feedback Copyright © 2008–2018, Texas Instruments Incorporated...

  • Page 7: Bq77Pl900 Evm Hardware Connection And Operation

    EV2300 allows monitoring of the IC status, setting the programmable safety limits and controlling the device in host mode. Installation of the software and its use are described in a later section. SLUU324B – July 2008 – Revised March 2018 bq77PL900EVM-001 Submit Documentation Feedback Copyright © 2008–2018, Texas Instruments Incorporated...

  • Page 8: Basic Connections

    EVM Hardware Connection and Operation www.ti.com Figure 2. Basic Connections bq77PL900EVM-001 SLUU324B – July 2008 – Revised March 2018 Submit Documentation Feedback Copyright © 2008–2018, Texas Instruments Incorporated...

  • Page 9: Cell Connections

    The bq77PL900 circuit module may become hot during operation due to dissipation of heat. Avoid contact with the board. Follow all applicable safety procedures applicable to your laboratory. SLUU324B – July 2008 – Revised March 2018 bq77PL900EVM-001 Submit Documentation Feedback Copyright © 2008–2018, Texas Instruments Incorporated...

  • Page 10: Thermal Sensor

    7. If using a power supply, reduce the voltage of the cells to observe the device shuts off at ~14V. Software Installation This section describes how to install the software for the bq77PL900EVM-001, and how to connect the PC interface board of the EVM.

  • Page 11: Troubleshooting Unexpected Dialog Boxes

    Software Operation This section describes operation of the software. Software is started from the sequence Start > All Programs > Texas Instruments > bq77PL900 Evaluation Software. The software window has 2 sections, a tab section and a status section. The left side of the window displays one of 3 tabs selected by clicking on the tab name and described in the following sections.

  • Page 12: Registers Tab

    "Read All" button to update the register status when scanning is off. Random patterns should not be written to the registers, refer to the data sheet for register bit definitions. Figure 3. Registers Tab Window bq77PL900EVM-001 SLUU324B – July 2008 – Revised March 2018 Submit Documentation Feedback Copyright © 2008–2018, Texas Instruments Incorporated...

  • Page 13: Control Tab

    No every-other-cell balancing. See the application note Cell Balancing With the bq77PL900, SLUA463 for more information on cell balancing. Figure 4. Control Tab Window SLUU324B – July 2008 – Revised March 2018 bq77PL900EVM-001 Submit Documentation Feedback Copyright © 2008–2018, Texas Instruments Incorporated...

  • Page 14: Eeprom Tab

    EEPROM tab is selected again. Selections can be made and saved to a file without having a device connected. bq77PL900EVM-001 SLUU324B – July 2008 – Revised March 2018 Submit Documentation Feedback Copyright © 2008–2018, Texas Instruments Incorporated...

  • Page 15: Eeprom Tab Window

    Software Operation www.ti.com Figure 5. EEPROM Tab Window SLUU324B – July 2008 – Revised March 2018 bq77PL900EVM-001 Submit Documentation Feedback Copyright © 2008–2018, Texas Instruments Incorporated...

  • Page 16: Basic Operation With Software

    BATTERY+ to PACK+ with a low value resistor. The device will wake up in standalone mode. 8. Select the control tab in the software window. bq77PL900EVM-001 SLUU324B – July 2008 – Revised March 2018 Submit Documentation Feedback Copyright © 2008–2018, Texas Instruments Incorporated...

  • Page 17: References

    This layout and construction allows easy understanding of the connections for evaluation, but results in a large board. The main solution components are outlined on the silkscreen layer. SLUU324B – July 2008 – Revised March 2018 bq77PL900EVM-001 Submit Documentation Feedback Copyright © 2008–2018, Texas Instruments Incorporated...

  • Page 18: Top Silk Screen

    See additional information in the configuration and operation sections of this document. Figure 8 Figure 13 show the board layout. Figure 8. Top Silk Screen Figure 9. Top Assembly bq77PL900EVM-001 SLUU324B – July 2008 – Revised March 2018 Submit Documentation Feedback Copyright © 2008–2018, Texas Instruments Incorporated...

  • Page 19: Top Layer

    Circuit Module Physical Construction www.ti.com Figure 10. Top Layer Figure 11. Bottom Layer SLUU324B – July 2008 – Revised March 2018 bq77PL900EVM-001 Submit Documentation Feedback Copyright © 2008–2018, Texas Instruments Incorporated...

  • Page 20: Bottom Silk Screen

    Circuit Module Physical Construction www.ti.com Figure 12. Bottom Silk Screen Figure 13. Bottom Assembly bq77PL900EVM-001 SLUU324B – July 2008 – Revised March 2018 Submit Documentation Feedback Copyright © 2008–2018, Texas Instruments Incorporated...

  • Page 21: Bill Of Materials

    IC, 5-10 Series Cell L-Ion or L-Polymer Battery Protection and SSOP-48 BQ77PL900DL X1– X6 Through Hole, O.040 Dia — HPA216 Shunt, 100-mil black 929950-00 SLUU324B – July 2008 – Revised March 2018 bq77PL900EVM-001 Submit Documentation Feedback Copyright © 2008–2018, Texas Instruments Incorporated...

  • Page 22: Schematic Diagram

    Circuit Module Physical Construction www.ti.com Figure 14. Schematic Diagram bq77PL900EVM-001 SLUU324B – July 2008 – Revised March 2018 Submit Documentation Feedback Copyright © 2008–2018, Texas Instruments Incorporated...

  • Page 23: Bq77Pl900 Circuit Module Performance Specification Summary

    ..................and changed driver installation instructions......• Changed section title, reference format, and added EV2400 document to References section. SLUU324B – July 2008 – Revised March 2018 Revision History Submit Documentation Feedback Copyright © 2008–2018, Texas Instruments Incorporated...
  • Page 24 STANDARD TERMS FOR EVALUATION MODULES Delivery: TI delivers TI evaluation boards, kits, or modules, including any accompanying demonstration software, components, and/or documentation which may be provided together or separately (collectively, an “EVM” or “EVMs”) to the User (“User”) in accordance with the terms set forth herein.
  • Page 25 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 26 【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 3.4 European Union 3.4.1 For EVMs subject to EU Directive 2014/30/EU (Electromagnetic Compatibility Directive): This is a class A product intended for use in environments other than domestic environments that are connected to a low-voltage power-supply network that supplies buildings used for domestic purposes.
  • Page 27 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 © 2018, Texas Instruments Incorporated...
  • Page 28 IMPORTANT NOTICE FOR TI DESIGN INFORMATION AND RESOURCES Texas Instruments Incorporated (‘TI”) technical, application or other design advice, services or information, including, but not limited to, reference designs and materials relating to evaluation modules, (collectively, “TI Resources”) are intended to assist designers who are developing applications that incorporate TI products;...
  • Page 29 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments BQ77PL900EVM-001...