Texas Instruments TPS2373-4EVM-758 User Manual
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Texas Instruments TPS2373-4EVM-758 User Manual

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This user's guide describes the TPS2373-4 evaluation module (TPS2373-4EVM-758). The TPS2373-
4EVM-758 contains evaluation and reference circuitry for the TPS2373-4. The TPS2373-4 device is an
IEEE 802.3bt-compliant, powered-device (PD) controller optimized for isolated converter topologies. The
TPS2373-4EVM-758 is designed for high-efficiency, 70-W, PD solutions.
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1
Introduction
2
Electrical Specifications
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3
Description
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4
Schematic
5
General Configuration and Description
6
TPS237xEVM-758 Performance Data
7
EVM Assembly Drawings and Layout Guidelines
8
Bill of Material
1
TPS2373-4EVM-758 PD Front-End Schematic
2
TPS2373-4EVM-758 PD and DC/DC Converter Schematic
3
Startup Response to Full Load (14 A) for a 48-V Input
4
Transient Response from 7 A to 14 A for a 48-V Input
5
Efficiency of the TPS2373-4EVM-758, V
6
Top Side Component Placement
7
Top Side Routing
8
Layer 2 Routing
9
Layer 3 Routing
10
Bottom Side Routing
11
Bottom Component Placement
1
TPS2373-4EVM-758 Electrical and Performance Specifications at 25°C
2
Connector Functionality
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3
Test Points
4
Jumper Descriptions
5
TPS237xEVM-758 BOM
Trademarks
All trademarks are the property of their respective owners.
SLUUBJ1A – February 2017 – Revised June 2017
Submit Documentation Feedback
TPS2373-4EVM-758 Evaluation Module
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Copyright © 2017, Texas Instruments Incorporated
SLUUBJ1A – February 2017 – Revised June 2017
Contents
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List of Figures
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List of Tables
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TPS2373-4EVM-758 Evaluation Module
User's Guide
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Summary of Contents for Texas Instruments TPS2373-4EVM-758

  • Page 1 SLUUBJ1A – February 2017 – Revised June 2017 TPS2373-4EVM-758 Evaluation Module This user’s guide describes the TPS2373-4 evaluation module (TPS2373-4EVM-758). The TPS2373- 4EVM-758 contains evaluation and reference circuitry for the TPS2373-4. The TPS2373-4 device is an IEEE 802.3bt-compliant, powered-device (PD) controller optimized for isolated converter topologies. The TPS2373-4EVM-758 is designed for high-efficiency, 70-W, PD solutions.

  • Page 2: Sluubj1A – February 2017 – Revised June

    Introduction www.ti.com Introduction The TPS2373-4EVM-758 allows reference circuitry evaluation of the TPS2373-4. It contains input and output power connectors and an array of on-board test points for circuit evaluation. Features The TPS2373-4EVM-758 features include: • High-efficiency active clamp-forward converter •...

  • Page 3: Description

    Description www.ti.com Description The TPS2373-4EVM-758 enables full evaluation of the TPS2373-4 device. Refer to the schematic shown Figure 1 Figure 2. Ethernet power is applied from J1 and is dropped to the FET bridge rectifier. At the output of the FET bridge is the EMI and EMC filter and transient protection for the TPS2373-4.

  • Page 4: Schematic

    301k 1000pF 8.2V 8.2V 8.2V 8.2V Q11D Q11A Copyright © 2017, Texas Instruments Incorporated Figure 1. TPS2373-4EVM-758 PD Front-End Schematic TPS2373-4EVM-758 Evaluation Module SLUUBJ1A – February 2017 – Revised June 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...

  • Page 5: Tps2373-4Evm-758 Pd And Dc/Dc Converter Schematic

    R64 = 3.01k for 5.3V Output 3.16k R64 = 2.87k for 5.5V Output Copyright © 2017, Texas Instruments Incorporated Figure 2. TPS2373-4EVM-758 PD and DC/DC Converter Schematic SLUUBJ1A – February 2017 – Revised June 2017 TPS2373-4EVM-758 Evaluation Module Submit Documentation Feedback...

  • Page 6: General Configuration And Description

    Feedback connection for frequency response measurements TP29 UVLO_SEL Select UVLO of U1 (open circuited) TP30 VCOUT Output voltage of advanced startup of U1 TPS2373-4EVM-758 Evaluation Module SLUUBJ1A – February 2017 – Revised June 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...

  • Page 7: Jumper Descriptions

    Can be used to measure port current; otherwise, J11 should be shorted Jump to add auto MPS current Jump to power output LED SLUUBJ1A – February 2017 – Revised June 2017 TPS2373-4EVM-758 Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...

  • Page 8: Tps237Xevm-758 Performance Data

    TPS237xEVM-758 Performance Data www.ti.com TPS237xEVM-758 Performance Data Startup Figure 3 illustrates the startup response of the TPS2373-4EVM-758. Figure 3. Startup Response to Full Load (14 A) for a 48-V Input Transient Response Figure 4 illustrates the transient response of the TPS2373-4EVM-758.

  • Page 9: Evm Assembly Drawings And Layout Guidelines

    This section contains the assembly drawings and layout guidelines. PCB Drawings Figure 6 through Figure 11 show component placement and layout of the TPS2373-4EVM-758. Figure 6. Top Side Component Placement SLUUBJ1A – February 2017 – Revised June 2017 TPS2373-4EVM-758 Evaluation Module Submit Documentation Feedback...

  • Page 10: Top Side Routing

    EVM Assembly Drawings and Layout Guidelines www.ti.com Figure 7. Top Side Routing Figure 8. Layer 2 Routing TPS2373-4EVM-758 Evaluation Module SLUUBJ1A – February 2017 – Revised June 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...

  • Page 11: Layer 3 Routing

    EVM Assembly Drawings and Layout Guidelines www.ti.com Figure 9. Layer 3 Routing Figure 10. Bottom Side Routing SLUUBJ1A – February 2017 – Revised June 2017 TPS2373-4EVM-758 Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...

  • Page 12: Bottom Component Placement

    Keep the high-current and high-voltage switching away from low-level sensing circuits including those outside the power supply. • Use proper spacing around the high-voltage sections of the converter. TPS2373-4EVM-758 Evaluation Module SLUUBJ1A – February 2017 – Revised June 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 13 • Possible use of integrated RJ-45 jacks (shielded with internal transformer and Bob Smith terminations). • End-product enclosure considerations (shielding). SLUUBJ1A – February 2017 – Revised June 2017 TPS2373-4EVM-758 Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...

  • Page 14: Bill Of Material

    D13, D14, D15, D16, D18, D19, 100V Diode, Switching, 100V, 0.2A, SOD-323 SOD-323 MMDL914-TP Micro D20, D21, D22 Commercial Components TPS2373-4EVM-758 Evaluation Module SLUUBJ1A – February 2017 – Revised June 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 15 MOSFET, N-CH, 40V, 100A, SON 5x6mm SON 5x6mm CSD18502Q5B Texas None Instruments 150V MOSFET, N-CH, 150V, 35A, PQFN08A PQFN08A FDMS86200 Fairchild None Semiconductor SLUUBJ1A – February 2017 – Revised June 2017 TPS2373-4EVM-758 Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 16 RES, 2.00 k, 1%, 0.1 W, 0603 0603 CRCW06032K00FKEA Vishay-Dale 20.0k RES, 20.0 k, 1%, 0.1 W, 0603 0603 CRCW060320K0FKEA Vishay-Dale TPS2373-4EVM-758 Evaluation Module SLUUBJ1A – February 2017 – Revised June 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 17 Notes: Unless otherwise noted in the Alternate Part Number and/or Alternate Manufacturer columns, all parts may be substituted with equivalents. SLUUBJ1A – February 2017 – Revised June 2017 TPS2373-4EVM-758 Evaluation Module Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...

  • Page 18: Revision History

    Changes from Original (February 2017) to A Revision ....................Page • Changed TPS2373-4EVM-758 PD front-end schematic and TPS2373-4EVM-758 pd and DC/DC converter schematic. Revision History SLUUBJ1A – February 2017 – Revised June 2017 Submit Documentation Feedback Copyright © 2017, Texas Instruments Incorporated...
  • Page 19 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 20 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 21 【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 22 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 © 2017, Texas Instruments Incorporated...
  • Page 23 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;...

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