Texas Instruments LM76202-Q1 User Manual
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Texas Instruments LM76202-Q1 User Manual

Texas Instruments LM76202-Q1 User Manual

Evaluation module
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This user's guide describes the evaluation module (EVM) for the Texas instruments LM76202-Q1 and
LM74202-Q1 Ideal diodes. The document provides EVM configuration information and test setup details
for evaluating the LM76202-Q1 or LM74202-Q1 device. The EVM schematic, board layout and bill of
materials (BOM) are also included.
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LM76202-Q1EVM Positive Input Voltage Transient Test (12-V battery voltage, transient voltage = 36 V ,
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Bill of Materials
SLVUBM3B - January 2019 - Revised December 2019
Submit Documentation Feedback
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Copyright © 2019, Texas Instruments Incorporated
SLVUBM3B - January 2019 - Revised December 2019
LM76202-Q1 Evaluation Module
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LM76202-Q1 Evaluation Module
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Summary of Contents for Texas Instruments LM76202-Q1

  • Page 1: Table Of Contents

    This user’s guide describes the evaluation module (EVM) for the Texas instruments LM76202-Q1 and LM74202-Q1 Ideal diodes. The document provides EVM configuration information and test setup details for evaluating the LM76202-Q1 or LM74202-Q1 device. The EVM schematic, board layout and bill of materials (BOM) are also included.

  • Page 2: Introduction

    The LM76202-Q1EVM allows reference circuit evaluation of TI's LM76202-Q1 and LM74202-Q1 ideal diodes. The LM76202-Q1 device is 4.5 V to !~5560 V, 2.23-A ideal diode with reverse battery protection, overvoltage, short-circuit and reverse current blocking protection. The LM74202-Q1 device is 4.5 V to 40 V, 2.23-A ideal diode with reverse battery protection, overvoltage, short-circuit and reverse current...

  • Page 3: Schematic

    2-3: UVLO set to 4-V (POR). Open Jumper J6 with this configuration. VOUT Indication Close this jumper for powering D4(Green) LED from VOUT SLVUBM3B – January 2019 – Revised December 2019 LM76202-Q1 Evaluation Module Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...

  • Page 4: Test Equipment And Setup

    Turn ON the power supply and set the power supply output to 12.5 V and current limit to 10 A. • Turn OFF the power supply LM76202-Q1 Evaluation Module SLVUBM3B – January 2019 – Revised December 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...

  • Page 5: Test Procedure And Results

    (MODE ILIM = 2.23 A R5 resistors. VOUT VOUT = RTN) Figure 2. LM76202-Q1 EVM Setup Test Procedure and Results Hot-Plug Test Use the following instructions to measure the output slew rate and input inrush current during Hot-Plug event. •...

  • Page 6: Lm76202-Q1Evm Output Slew Rate With Inrush Current Limiting

    (TSD) and auto-retries after a time of t (512 ms) retry Figure 4 shows an example of current limit at 2.23 A on the LM76202-Q1EVM LM76202-Q1 Evaluation Module SLVUBM3B – January 2019 – Revised December 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...

  • Page 7: Lm76202-Q1Evm Current Limit Operation (Vin = 12.5 V, Ilim = 2.23 A, Rout = 3 Ω, Mode = Rtn)

    Figure 5 shows an example of output hot short on the LM76202-Q1EVM. FLT is pulled-up from VIN for this test. SLVUBM3B – January 2019 – Revised December 2019 LM76202-Q1 Evaluation Module Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...

  • Page 8: Lm76202-Q1Evm Output Hot Short (Vin = 12.5 V, Ilim = 2.23 A, Mode = Rtn)

    Figure 6 shows an example of overvoltage cutoff protection on the LM76202-Q1EVM. FLT is pulled-up from VIN for this test. LM76202-Q1 Evaluation Module SLVUBM3B – January 2019 – Revised December 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...

  • Page 9: Lm76202-Q1Evm Output Overvoltage Protection (Vin = 36 V, Ilim = 2.23 A, Rout = 28 Ω, Mode = Rtn)

    Figure 7 shows an example of Wake-up into Short on the LM76202-Q1EVM. FLT is pulled-up from VOUT for this test. SLVUBM3B – January 2019 – Revised December 2019 LM76202-Q1 Evaluation Module Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...

  • Page 10: Lm76202-Q1Evm Wake-Up Into Short (Vin = 12.5 V, Ilim = 2.23 A, Mode = Rtn)

    ISO 7637-2 pulse 1). The TVS diode D2 clamps the input voltage to –40 V during the transient event. LM76202-Q1 Evaluation Module SLVUBM3B – January 2019 – Revised December 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...

  • Page 11: Lm76202-Q1Evm Negative Input Voltage Transient Test (12-V Battery Voltage, Transient Voltage = -150 V , Rload = 12 Ω)

    ISO 16750-2 pulse 5b) . The output is cut off from input during the transient and it returns to nominal value after the transient. SLVUBM3B – January 2019 – Revised December 2019 LM76202-Q1 Evaluation Module Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...

  • Page 12: Board Layout

    PCB layout for top and bottom layers of the EVM. Figure 10. LM76202-Q1EVM Top Assembly Figure 11. LM76202-Q1EVM Bottom Assembly LM76202-Q1 Evaluation Module SLVUBM3B – January 2019 – Revised December 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...

  • Page 13: Bill Of Materials

    1x2, 230 mil above Connector insulator Solutions J2, J4 Header, 100mil, 3x1, Tin, TH Header, 3 PIN, PEC03SAAN Sullins 100mil, Tin Connector Solutions SLVUBM3B – January 2019 – Revised December 2019 LM76202-Q1 Evaluation Module Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...

  • Page 14: Evaluating Lm74202-Q1 On Lm76202-Q1Evm

    Vishay-Dale 0603 Evaluating LM74202-Q1 on LM76202-Q1EVM For evaluating LM74202-Q1 device on LM76202-Q1EVM, replace U1 with LM74202-Q1 and D2 with SMCJ28CA. LM76202-Q1 Evaluation Module SLVUBM3B – January 2019 – Revised December 2019 Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 15 Updated Figure 9 ..................... • Updated Figure 10 Figure 11 ..................• Updated the Bill of Materials table in Section 8 SLVUBM3B – January 2019 – Revised December 2019 Revision History Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated...
  • Page 16 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 17 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 18 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 19 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 20 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 21 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 © 2019, Texas Instruments Incorporated...

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