Texas Instruments TPSM831D31 User Manual
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Texas Instruments TPSM831D31 User Manual

Power module evaluation module
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Using the TPSM831D31 Power Module Evaluation Module
This user's guide contains information for the TPSM831D31EVM evaluation module (BSR048). This guide
provides information regarding the proper setup and use of the board to permit an in-depth evaluation of
the performance and characteristics of the power module.
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Trademarks
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SNAU240 - August 2018
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Copyright © 2018, Texas Instruments Incorporated
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Using the TPSM831D31 Power Module Evaluation Module
http://www.digchip.com
User's Guide
SNAU240 - August 2018
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Summary of Contents for Texas Instruments TPSM831D31

  • Page 1: Table Of Contents

    User's Guide SNAU240 – August 2018 Using the TPSM831D31 Power Module Evaluation Module This user’s guide contains information for the TPSM831D31EVM evaluation module (BSR048). This guide provides information regarding the proper setup and use of the board to permit an in-depth evaluation of the performance and characteristics of the power module.

  • Page 2: Description

    Description The TPSM831D31 is a PMBus-controlled, dual output 4-phase power module that combines a high- performance DCAP+ controller with four high-efficiency smart power stages and low-loss inductors, into a rugged, thermally enhanced surface-mount package. The first output is configured as a 3-phase power stage that can deliver up to 120 A of continuous output current.

  • Page 3: Evm User Interface

    VOUT_A rail. It is strongly suggested that the scope connections be made with VOUT_A turned off. SNAU240 – August 2018 Using the TPSM831D31 Power Module Evaluation Module Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 4 D1 (USB) will glow green. The LED will light even if no input power is applied to the EVM. The PMBus address is set by resistor R10. The PMBus address of the EVM is set to 105 (decimal), 69 (hex). Using the TPSM831D31 Power Module Evaluation Module SNAU240 – August 2018 Submit Documentation Feedback...

  • Page 5: Test Point Descriptions

    SMB jack input from external function generator to drive the VOUT_B fast transient generator. B_Imon (J14) SMB jack for current monitor output of VOUT_B transient generator. 3mV/A, 50Ω output impedance. SNAU240 – August 2018 Using the TPSM831D31 Power Module Evaluation Module Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...

  • Page 6: Connecting The Evm

    The GUI may identify the device as a TPS53681. This is normal. That is the device used as the controller in the module. Figure 2. Example Test Setup Using the TPSM831D31 Power Module Evaluation Module SNAU240 – August 2018 Submit Documentation Feedback...

  • Page 7: Using The Fusion Digital Power Designer Gui

    Store Config to NVM command stores any and all new settings to NVM. The original factory settings cannot be restored if they are altered. SNAU240 – August 2018 Using the TPSM831D31 Power Module Evaluation Module Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...

  • Page 8: Configuration Window: General Tab

    Axis limits can be set within each plot. Start/Stop Polling button starts or stops the collection of data over the PMBus. Using the TPSM831D31 Power Module Evaluation Module SNAU240 – August 2018 Submit Documentation Feedback Copyright ©...

  • Page 9: Monitor Window: Parametric Data Plots

    This window offers another way to select and display the telemetry data. You can customize the display to your liking. Figure 7. System Monitor Window: Control Lines SNAU240 – August 2018 Using the TPSM831D31 Power Module Evaluation Module Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...

  • Page 10: Usb Adapter Settings

    Remember that the “Store Config to NVM” button permanently stores any changes made to settings that have NVM backup. The factory settings cannot be recalled once they are overwritten. Figure 8. USB Adapter Settings Using the TPSM831D31 Power Module Evaluation Module SNAU240 – August 2018 Submit Documentation Feedback...

  • Page 11: Using The On-Board Fast Transient Load Generator

    Using the On-board Fast Transient Load Generator The TPSM831D31 is equipped with two high speed transient load circuits, one for each output rail. The transient load circuits are capable of producing load transients up to 60 A at slew rates in excess of 100 A/µs.

  • Page 12: Function Generator Settings

    (Some oscilloscopes allow the user to set the channel to display current per division. The EVM Imon signal is equivalent to 333 A/V.) Using the TPSM831D31 Power Module Evaluation Module SNAU240 – August 2018 Submit Documentation Feedback...

  • Page 13: Response To 60 A, 100 A/Μs Load Transient

    The results should be similar to that shown Figure Figure 11. Response to 60 A, 100 A/µs Load Transient SNAU240 – August 2018 Using the TPSM831D31 Power Module Evaluation Module Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...

  • Page 14: Evaluation Board Schematic

    Evaluation Board Schematic www.ti.com Evaluation Board Schematic Figure 12. EVM Schematic Using the TPSM831D31 Power Module Evaluation Module SNAU240 – August 2018 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...

  • Page 15: Bill Of Materials (Bom)

    RES, 49.9, 1%, 0.25 W, 1206 CRCW120649R9FKEA Vishay-Dale R16, R24 3.24k RES, 3.24 k, 1%, 0.1 W, 0603 CRCW06033K24FKEA Vishay-Dale SNAU240 – August 2018 Using the TPSM831D31 Power Module Evaluation Module Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 16 High Bandwidth, High Precision, Low Noise & U4, U5 Distortion Amplifier SAR ADC Driver with Power OPA625IDBVR Texas Instruments Scaling, DBV0006A (SOT-23-6) Using the TPSM831D31 Power Module Evaluation Module SNAU240 – August 2018 Submit Documentation Feedback Copyright © 2018, Texas Instruments Incorporated...
  • Page 17 SNAU240 – August 2018 Using the TPSM831D31 Power Module Evaluation Module Submit Documentation Feedback...
  • Page 18 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 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 © 2018, 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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