Texas Instruments TPS2379 EVM User Manual
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Texas Instruments TPS2379 EVM User Manual

Texas Instruments TPS2379 EVM User Manual

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This User's Guide describes the evaluation module (EVM) for the TPS2379 (TPS2379EVM-106).
TPS2379 is an IEEE802.3at type 2 compliant powered device (PD) controller with a GATE output for
controlling external booster MOSFETs.
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Copyright © 2012, Texas Instruments Incorporated
TPS2379 EVM User's Guide
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List of Figures
List of Tables
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User's Guide
SLVU687 - March 2012
TPS2379 EVM User's Guide
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Summary of Contents for Texas Instruments TPS2379 EVM

  • Page 1: Table Of Contents

    Bottom Side Placement List of Tables ............. TPS2379EVM Electrical and Performance Specifications ....................Connector Functionality ........................Test Points ........................Jumpers ..................TPS2379EVM Bill of Materials SLVU687 – March 2012 TPS2379 EVM User’s Guide Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...

  • Page 2: Introduction

    – 1200 Operating current-limit Internal plus external (R13 installed) 2260 Efficiency Four input pairs. Measured from J1 to J4 60W output power 97.5% TPS2379 EVM User’s Guide SLVU687 – March 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...

  • Page 3: Description

    This allows the output load to remain connected during EVM testing. LED’s D1 and D2 provide operational visual indications of T2P and ON respectively. SLVU687 – March 2012 TPS2379 EVM User’s Guide Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...

  • Page 4: Schematic

    FB2 500 EGND TP10 FMMT493TC 1000pF BZT52C18V IRFR3410PbF 0.27 BUK7275-100A NOTES TP11 NOT USED TP12 Use for switched RTN ESNS Figure 1. TPS2379EVM Schematic TPS2379 EVM User’s Guide SLVU687 – March 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...

  • Page 5: General Configuration And Description

    When the shunt is removed, the standard class 4 63.4Ω (40mA) resistor is used and when the shunt is installed, the classification resistance is ~37.4Ω (68mA). SLVU687 – March 2012 TPS2379 EVM User’s Guide Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...

  • Page 6: Test Setup

    Figure 2. Typical TPS2379EVM Test Setup EVM Assembly Drawings and Layout Guidelines PC Drawings The following figures show component placement and layout of the EVM. TPS2379 EVM User’s Guide SLVU687 – March 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...

  • Page 7: Top Side Placement

    EVM Assembly Drawings and Layout Guidelines www.ti.com Figure 3. Top Side Placement Figure 4. Top Side Routing SLVU687 – March 2012 TPS2379 EVM User’s Guide Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...

  • Page 8: Layer Two Routing

    EVM Assembly Drawings and Layout Guidelines www.ti.com Figure 5. Layer Two Routing Figure 6. Layer Three Routing TPS2379 EVM User’s Guide SLVU687 – March 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...

  • Page 9: Bottom Side Routing

    EVM Assembly Drawings and Layout Guidelines www.ti.com Figure 7. Bottom Side Routing Figure 8. Bottom Side Placement SLVU687 – March 2012 TPS2379 EVM User’s Guide Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...

  • Page 10: Layout Guidelines

    Possible use of common-mode inductors • Possible use of integrated RJ-45 jacks (shielded with internal transformer and Bob Smith terminations) • End-product enclosure considerations (shielding) TPS2379 EVM User’s Guide SLVU687 – March 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...

  • Page 11: Bill Of Materials

    0.185 x 0.135 inch 5016 Keystone FMMT493TC Trans, NPN Midium Power, 100V 1A SOT-23 FMMT493TC Diodes BUK7275 MOSFET, N-ch, 100-V, 22-A, 75 milliohm DPAK BUK7275 SLVU687 – March 2012 TPS2379 EVM User’s Guide Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
  • Page 12 Transformer, High-Power PoE Magnetics S0 14 Wide ETH1-230LD Coilcraft Shunt, Black 100-mil 929950-00 — PCB, 3.5 In x 1.7 In x 0.062 In PWR106 TPS2379 EVM User’s Guide SLVU687 – March 2012 Submit Documentation Feedback Copyright © 2012, Texas Instruments Incorporated...
  • Page 13 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, Shinjukku-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 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 18 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 19 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 20 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 21 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 22 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments TPS2379EVM-106...

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