Texas Instruments TPS25980EVM User Manual
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Texas Instruments TPS25980EVM User Manual

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TPS25980EVM: Evaluation Module for TPS25980x efuse
This user's guide describes the evaluation module (EVM) for the TPS25980x eFuse. The TPS25980x
device is 2.7 V to 24 V, 8 A eFuse with integrated 2.7 mOhm FET, programmable under voltage, over
current, inrush current protection and configurable number of Auto-retries and Retry Delay features.
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SLUUCB4 - June 2020
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Contents
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TPS25980EVM: Evaluation Module for TPS25980x efuse
User's Guide
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Summary of Contents for Texas Instruments TPS25980EVM

  • Page 1: Table Of Contents

    TPS25980EVM Board (a) Top Assembly (b) Bottom Assembly ............... TPS25980EVM Board (a) Top Layer (b) Bottom Layer ..........TPS25980EVM Board (a) Inner Signal Layer (b) Inner Routing Layer List of Tables ............TPS25980EVM eFuse Evaluation Board Options and Setting ................

  • Page 2: Introduction

    Introduction The TPS25980EVM eFuse Evaluation Board allows reference circuit evaluation of Texas Instruments (TI) TPS25980x eFuse. The TPS25980x device is 2.7 V to 24 V, 8 A eFuse with integrated 2.7 mOhm FET, programmable under voltage, over current, inrush current protection and configurable number of Auto- retries and Retry Delay features.

  • Page 3: Schematic

    TP16 P-LOAD P-LOAD TP17 PGND 0.02µF 1000pF 1.00k 470pF 4700pF 0.047uF 3300pF 0.01uF PGND Figure 1. TPS25980EVM eFuse Evaluation Board Schematic SLUUCB4 – June 2020 TPS25980EVM: Evaluation Module for TPS25980x efuse Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated...

  • Page 4: General Configurations

    General Configurations www.ti.com General Configurations Physical Access Table 2 lists the TPS25980EVM eFuse Evaluation Board input and output connector functionality. Table 3 Table 4 describe the test point availability and the jumper functionality. Table 5 describes the auto- retries and retry-delay settings.

  • Page 5: Auto-Retries And Retry Delay Settings

    One resistive load or equivalent which can tolerate up to 30 A DC load at 24 V and capable of the output short. SLUUCB4 – June 2020 TPS25980EVM: Evaluation Module for TPS25980x efuse Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated...

  • Page 6: Test Setup And Procedures

    In this user guide, the test procedure is described for TPS259804O device. Following similar test steps, TPS259802O/3O/7O variants from TPS25980x family can also be evaluated. Make sure the evaluation board has default jumper settings as shown in Table Table 6. Default Jumper Setting for TPS25980EVM eFuse Evaluation Board Open Install Open Figure 2.

  • Page 7: Tps259804O Output Rise Profile (Vin = 12 V, Cdvdt = 10 Nf, Cout = 2 Mf, No-Load)

    12 V. Figure 3 shows an example of inrush current captured on the TPS25980EVM eFuse Evaluation Board. Figure 3. TPS259804O Output Rise Profile (VIN = 12 V, CdVdT = 10 nF, COUT = 2 mF, No-load) SLUUCB4 –...

  • Page 8: Over Current Response Of Tps259804O For 8 A Current Limit Setting

    7. Place jumper J10 at other settings to test at various current limits. Figure 4 shows an example of current limit at 8 A on the TPS25980EVM eFuse Evaluation Board. Figure 4. Over Current Response of TPS259804O for 8 A Current Limit Setting TPS25980EVM: Evaluation Module for TPS25980x efuse SLUUCB4 –...

  • Page 9: Output Hot-Short Response Of Tps259804O Device

    2. Short the output of the device for example, VOUT to GND with a shorter cable. 3. Observe the waveforms using an oscilloscope. Figure 5 shows test waveform of output hot-short on the TPS25980EVM eFuse Evaluation Board. Figure 5. Output Hot-short response of TPS259804O device SLUUCB4 – June 2020...

  • Page 10: Test Waveform Of Wakeup Into Output Short For Tps259804O Device

    3. Turn ON the power supply. Figure 6 shows test waveform of wakeup into output short on the TPS25980EVM eFuse Evaluation Board. Figure 6. Test Waveform of Wakeup Into Output Short for TPS259804O Device TPS25980EVM: Evaluation Module for TPS25980x efuse SLUUCB4 –...

  • Page 11: Over Voltage Protection Response Of Tps259804O Device

    4. Increase the input supply VIN from 12 V to 18 V and observe the waveforms using an oscilloscope. Figure 7 shows over voltage response of TPS259804O on TPS25980EVM eFuse Evaluation Board. Figure 7. Over Voltage Protection Response of TPS259804O Device SLUUCB4 –...

  • Page 12: Eval Board Assembly Drawings And Layout Guidelines

    Figure 9 Figure 10 shows PCB layout images. Figure 8. TPS25980EVM Board (a) Top Assembly (b) Bottom Assembly Figure 9. TPS25980EVM Board (a) Top Layer (b) Bottom Layer TPS25980EVM: Evaluation Module for TPS25980x efuse SLUUCB4 – June 2020 Submit Documentation Feedback...

  • Page 13: Tps25980Evm Board (A) Inner Signal Layer (B) Inner Routing Layer

    EVAL Board Assembly Drawings and Layout Guidelines www.ti.com Figure 10. TPS25980EVM Board (a) Inner Signal Layer (b) Inner Routing Layer SLUUCB4 – June 2020 TPS25980EVM: Evaluation Module for TPS25980x efuse Submit Documentation Feedback Copyright © 2020, Texas Instruments Incorporated...

  • Page 14: Bill Of Materials (Bom)

    Bill Of Materials (BoM) www.ti.com Bill Of Materials (BoM) Table 7 lists the EVM BOM. Table 7. TPS25980EVM Bill Of Materials Designator Quantity Value Description PackageReference PartNumber Manufacturer Alternate Alternate PartNumber Manufacturer !PCB1 Printed Circuit Board PSIL131 0.01 uF CAP, CERM, 0.01 uF, 50 V,...
  • Page 15 Bill Of Materials (BoM) www.ti.com Table 7. TPS25980EVM Bill Of Materials (continued) Designator Quantity Value Description PackageReference PartNumber Manufacturer Alternate Alternate PartNumber Manufacturer J1, J2, J3, J5 Standard Banana Jack, Keystone575-8 575-8 Keystone Uninsulated, 8.9 mm J4, J6, J12 Header, 100 mil, 2 x 2, Tin, TH Header, 2 x 2, 2.54...
  • Page 16 Bill Of Materials (BoM) www.ti.com Table 7. TPS25980EVM Bill Of Materials (continued) Designator Quantity Value Description PackageReference PartNumber Manufacturer Alternate Alternate PartNumber Manufacturer SH-J1, SH-J2, 1 x 2 Shunt, 100 mil, Gold plated, Shunt SNT-100-BK-G Samtec 969102-0000-DA SH-J3, SH-J4, Black...
  • Page 17 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 18 www.ti.com Regulatory Notices: 3.1 United States 3.1.1 Notice applicable to EVMs not FCC-Approved: FCC NOTICE: This kit is designed to allow product developers to evaluate electronic components, circuitry, or software associated with the kit to determine whether to incorporate such items in a finished product and software developers to write software applications for use with the end product.
  • Page 19 www.ti.com Concernant les EVMs avec antennes détachables Conformément à la réglementation d'Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d'un type et d'un gain maximal (ou inférieur) approuvé pour l'émetteur par Industrie Canada. Dans le but de réduire les risques de brouillage radioélectrique à...
  • Page 20 www.ti.com EVM Use Restrictions and Warnings: 4.1 EVMS ARE NOT FOR USE IN FUNCTIONAL SAFETY AND/OR SAFETY CRITICAL EVALUATIONS, INCLUDING BUT NOT LIMITED TO EVALUATIONS OF LIFE SUPPORT APPLICATIONS. 4.2 User must read and apply the user guide and other available documentation provided by TI regarding the EVM prior to handling or using the EVM, including without limitation any warning or restriction notices.
  • Page 21 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 © 2019, Texas Instruments Incorporated...
  • Page 22 TI products. TI’s provision of these resources does not expand or otherwise alter TI’s applicable warranties or warranty disclaimers for TI products. Mailing Address: Texas Instruments, Post Office Box 655303, Dallas, Texas 75265 Copyright © 2020, Texas Instruments Incorporated...
  • Page 23 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Texas Instruments TPS25980EVM...

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