Texas Instruments bq3050EVM User Manual
Texas Instruments bq3050EVM User Manual

Texas Instruments bq3050EVM User Manual

Evaluation system for sbs 1.1 compliant advanced gas gauge. battery management solution evm

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bq3050EVM SBS 1.1 Compliant Advanced Gas Gauge
The bq3050EVM is a complete evaluation system for the bq3050/bq29440 battery management system.
This system includes one bq3050/bq29440 circuit module, a current sense resistor, four thermistors, and a
®
link to Windows
-based PC software.
The circuit module includes one bq3050 IC, one bq29440 IC, and all other onboard components
necessary to monitor and predict capacity, perform cell balancing, monitor critical parameters, protect the
cells from overcharge, overdischarge, short circuit, and overcurrent in 2-series, 3-series, or 4-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, users can read the bq3050 data registers, program the
chipset for different pack configurations, log cycling data for further evaluation, and evaluate the overall
functionality of the bq3050/bq29440 solution under different charge and discharge conditions.
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SLUU532A - November 2011 - Revised December 2011 bq3050EVM SBS 1.1 Compliant Advanced Gas Gauge Battery Management
Submit Documentation Feedback
Battery Management Solution EVM
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Copyright © 2011, Texas Instruments Incorporated
SLUU532A - November 2011 - Revised December 2011
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List of Tables
User's Guide
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Solution EVM

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Summary of Contents for Texas Instruments bq3050EVM

  • Page 1: Table Of Contents

    Pro (Advanced) Screen List of Tables ......................Ordering Information ......................Bill of Materials SLUU532A – November 2011 – Revised December 2011 bq3050EVM SBS 1.1 Compliant Advanced Gas Gauge Battery Management Solution EVM Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated...
  • Page 2: Features

    The system load and charger connect across PACK+ and PACK– • To the system present pin (SYS PRES) bq3050EVM SBS 1.1 Compliant Advanced Gas Gauge Battery Management SLUU532A – November 2011 – Revised December 2011 Solution EVM Submit Documentation Feedback...
  • Page 3: Bq3050 Circuit Module Schematic

    Board Layout This section shows the dimensions, PCB layers, and assembly drawing for the bq3050 module. SLUU532A – November 2011 – Revised December 2011 bq3050EVM SBS 1.1 Compliant Advanced Gas Gauge Battery Management Solution EVM Submit Documentation Feedback...
  • Page 4: List Of Figures 1 Bq3050Evm-001 Layout (Silk Screen)

    Circuit Module Physical Layouts and Bill of Materials www.ti.com Figure 1. bq3050EVM-001 Layout (Silk Screen) Figure 2. Top Assembly bq3050EVM SBS 1.1 Compliant Advanced Gas Gauge Battery Management SLUU532A – November 2011 – Revised December 2011 Solution EVM Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated...
  • Page 5: Top Layer

    Figure 4. Inner Layer 1 Figure 5. Inner Layer 2 Figure 6. Bottom Layer SLUU532A – November 2011 – Revised December 2011 bq3050EVM SBS 1.1 Compliant Advanced Gas Gauge Battery Management Solution EVM Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated...
  • Page 6: Bottom Assembly

    Circuit Module Physical Layouts and Bill of Materials www.ti.com Figure 7. Bottom Assembly bq3050EVM SBS 1.1 Compliant Advanced Gas Gauge Battery Management SLUU532A – November 2011 – Revised December 2011 Solution EVM Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated...
  • Page 7: Bill Of Materials

    Resistor, Chip, 1/16 0603 W, 5% Resistor, Chip, 1/16 0603 W, 5% SLUU532A – November 2011 – Revised December 2011 bq3050EVM SBS 1.1 Compliant Advanced Gas Gauge Battery Management Solution EVM Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated...
  • Page 8 Brown—Pin # 3 (Signal SDA) White—Pin # 2 (Signal SCL) Black—Pin # 1 (GND) bq3050EVM SBS 1.1 Compliant Advanced Gas Gauge Battery Management SLUU532A – November 2011 – Revised December 2011 Solution EVM Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated...
  • Page 9: Schematic

    Circuit Module Physical Layouts and Bill of Materials www.ti.com Figure 8. Schematic SLUU532A – November 2011 – Revised December 2011 bq3050EVM SBS 1.1 Compliant Advanced Gas Gauge Battery Management Solution EVM Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated...
  • Page 10: Evm Hardware And Software Setup

    To start charge or discharge test, connect SYS PRES pin to Pack– pin to set SYS PRES state. To test sleep mode, disconnect the SYS PRES pin. bq3050EVM SBS 1.1 Compliant Advanced Gas Gauge Battery Management SLUU532A – November 2011 – Revised December 2011 Solution EVM Submit Documentation Feedback Copyright ©...
  • Page 11: Bq3050 Circuit Module Connection To Cells And System Load/Charger

    2. Connect the PC USB cable to the EV2300 and the PC USB port. The bq3050EVM-001 is now set up for operation. SLUU532A – November 2011 – Revised December 2011 bq3050EVM SBS 1.1 Compliant Advanced Gas Gauge Battery Management Solution EVM Submit Documentation Feedback Copyright ©...
  • Page 12: Operation

    With the EV2300 and the bq3050EVM connected to the computer, run bq3050 EVSW from the Desktop Icon or Start | All Programs | Texas Instruments | bq Evaluation Software menu sequence. The SBS Data Screen appears. Data begins to appear once the Refresh (single time scan) button is clicked, or when the Keep Scanning check box is checked.
  • Page 13: Data Flash Screen, 1St Level Safety Class

    The AutoExport interval is set under the | Options menu | with a minimum value of 15 seconds. The AutoExport filename is set under the | Options menu |. SLUU532A – November 2011 – Revised December 2011 bq3050EVM SBS 1.1 Compliant Advanced Gas Gauge Battery Management Solution EVM Submit Documentation Feedback Copyright ©...
  • Page 14: Calibration Screen

    Pack Voltage Calibration calibrates incorrectly. Remove load/external voltage applied between Pack+ and Pack–. Click the Pack Voltage button to calibrate. bq3050EVM SBS 1.1 Compliant Advanced Gas Gauge Battery Management SLUU532A – November 2011 – Revised December 2011 Solution EVM Submit Documentation Feedback...
  • Page 15: Calibration Screen

    Calibration Screen www.ti.com Figure 12. Calibration Screen SLUU532A – November 2011 – Revised December 2011 bq3050EVM SBS 1.1 Compliant Advanced Gas Gauge Battery Management Solution EVM Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated...
  • Page 16: Pro (Advanced) Screen

    If the firmware version was updated, close and re-launch the EVSW to synchronize the tool with the new firmware. Figure 13. Pro (Advanced) Screen bq3050EVM SBS 1.1 Compliant Advanced Gas Gauge Battery Management SLUU532A – November 2011 – Revised December 2011 Solution EVM Submit Documentation Feedback...
  • Page 17: Related Documentation From Texas Instruments

    SBS 1.1-Compliant Gas Gauge With Impedance SLUSA92 Track™ Data Sheet bq3050 Technical Reference Manual SLUU485 SLUU532A – November 2011 – Revised December 2011 bq3050EVM SBS 1.1 Compliant Advanced Gas Gauge Battery Management Solution EVM Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated...
  • Page 18 ......................• Changed input voltage range NOTE: Page numbers for previous revisions may differ from page numbers in the current version. SLUU532A – November 2011 – Revised December 2011 Revision History Submit Documentation Feedback Copyright © 2011, Texas Instruments Incorporated...
  • Page 19 EVALUATION BOARD/KIT IMPORTANT NOTICE Texas Instruments (TI) provides the enclosed product(s) under the following conditions: This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by TI to be a finished end-product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards.
  • Page 20 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments BQ3050EVM-001...

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