Texas Instruments TPS65279V User Manual
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Texas Instruments TPS65279V User Manual

Texas Instruments TPS65279V User Manual

4.5-v to 18-v input, dual 5-a synchronous step-down converter with i 2c controlled vid and current sharing evaluation module
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4.5-V to 18-V Input, Dual 5-A Synchronous Step-Down
Converter With I
This document is provided with the TPS65279V PMIC evaluation module (EVM) as a supplement to the
TPS65279V datasheet. This user's guide includes the schematic, hardware setup, software installation
and bill of materials (BOM).
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TPS65279V Schematic
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Header Description and Jumper Placement
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TPS65279V EVM Bill of Materials
Windows, Microsoft, Internet Explorer are registered trademarks of Microsoft Corporation.
VeriSign is a trademark of VeriSign, Inc.
SLVU876 - February 2013
Submit Documentation Feedback
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C Controlled VID and Current Sharing
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4.5-V to 18-V Input, Dual 5-A Synchronous Step-Down Converter With I
Copyright © 2013, Texas Instruments Incorporated
Contents
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List of Figures
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List of Tables
Controlled VID and Current Sharing Evaluation Module
User's Guide
SLVU876 - February 2013
Evaluation Module
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Summary of Contents for Texas Instruments TPS65279V

  • Page 1: Table Of Contents

    C Controlled VID and Current Sharing Evaluation Module This document is provided with the TPS65279V PMIC evaluation module (EVM) as a supplement to the TPS65279V datasheet. This user's guide includes the schematic, hardware setup, software installation and bill of materials (BOM).

  • Page 2: Introduction

    Background The TPS65279V PMIC is designed to provide dual 5 A of continuous currents with an operational range of 4.5 to 18 V. The TPS65279V features I C controlled voltage identification (VID) and the output voltage can be set by I C from 0.68 V to 1.95 V.

  • Page 3: Tps65279V Schematic

    TPS65279V Schematic www.ti.com TPS65279V Schematic Figure 1 shows the TPS65279V PMIC EVM schematic. Figure 1. TPS65279V Schematic SLVU876 – February 2013 4.5-V to 18-V Input, Dual 5-A Synchronous Step-Down Converter With I Submit Documentation Feedback Controlled VID and Current Sharing Evaluation Module...

  • Page 4: Board Layout

    EVM. Figure 2. Component Placement (Top Layer) SLVU876 – February 2013 4.5-V to 18-V Input, Dual 5-A Synchronous Step-Down Converter With I Controlled VID and Current Sharing Evaluation Module Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated...

  • Page 5: Board Layout (Top Layer)

    Figure 3. Board Layout (Top Layer) Figure 4. Board Layout (Second Layer) SLVU876 – February 2013 4.5-V to 18-V Input, Dual 5-A Synchronous Step-Down Converter With I Submit Documentation Feedback Controlled VID and Current Sharing Evaluation Module Copyright © 2013, Texas Instruments Incorporated...

  • Page 6: Board Layout (Third Layer)

    Figure 5. Board Layout (Third Layer) Figure 6. Board Layout (Bottom Layer) SLVU876 – February 2013 4.5-V to 18-V Input, Dual 5-A Synchronous Step-Down Converter With I Controlled VID and Current Sharing Evaluation Module Submit Documentation Feedback Copyright © 2013, Texas Instruments Incorporated...

  • Page 7: Bench Test Setup Conditions

    Buck1 Connector Output of Buck1 Buck2 Connector Output of Buck2 SLVU876 – February 2013 4.5-V to 18-V Input, Dual 5-A Synchronous Step-Down Converter With I Submit Documentation Feedback Controlled VID and Current Sharing Evaluation Module Copyright © 2013, Texas Instruments Incorporated...

  • Page 8: Hardware Requirement

    The output voltage is changed by sending the digital control signal via a PC running the TPS65279V controller software and USB-TO-GPIO interface box. Change the output voltage with the following steps: •...

  • Page 9: Installing Software

    Select Install to proceed. If a pre-release or Beta version is currently installed on your PC, you must uninstall this version of the software before installing the final version. To run the software after installation, go to Start → All programs → Texas Instruments → TPS65279V EVM Software.

  • Page 10: Software Operation

    This section provides descriptions of the EVM software. The supplied software is used to communicate with the TPS65279V EVM. Click on the icon on the host computer to start the software. The software displays the main control panel for the user interface (Figure Check “Shutdown”...

  • Page 11: Power-Up Procedure

    3. Toggle JP1 or JP2 to enable Vout1 and Vout2, respectively 4. Apply loads to the output connectors. SLVU876 – February 2013 4.5-V to 18-V Input, Dual 5-A Synchronous Step-Down Converter With I Submit Documentation Feedback Controlled VID and Current Sharing Evaluation Module Copyright © 2013, Texas Instruments Incorporated...

  • Page 12: Tps65279V Evm Bill Of Materials

    TPS65279V EVM Bill of Materials www.ti.com TPS65279V EVM Bill of Materials Table 4 is the BOM for the EVM. Table 4. TPS65279V EVM Bill of Materials Value Designator Footprint MFG Part Number Description 10nF C1, C2 0603 Generic CAP 10nF 50V CERAMIC X7R 0603...

  • Page 13: Regulatory Compliance Information

    Any exceptions to this are strictly prohibited and unauthorized by Texas Instruments unless user has obtained appropriate experimental/development licenses from local regulatory authorities, which is responsibility of user including its acceptable authorization.
  • Page 14 FCC Interference Statement for Class B EVM devices 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. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
  • Page 15 Also, please do not transfer this product, unless you give the same notice above to the transferee. Please note that if you could not follow the instructions above, you will be subject to penalties of Radio Law of Japan. Texas Instruments Japan Limited (address) 24-1, Nishi-Shinjuku 6 chome, Shinjuku-ku, Tokyo, Japan http://www.tij.co.jp...
  • Page 16 FDA Class III or similar classification, then you must specifically notify TI of such intent and enter into a separate Assurance and Indemnity Agreement. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2012, Texas Instruments Incorporated...

  • Page 17: 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 18: Texas Instruments

    Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments TPS65279VTEVM...

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