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SLVUB36 – October 2017

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Copyright © 2017, Texas Instruments Incorporated

TPS23525EVM-815 Evaluation Module

User's Guide

SLVUB36 – October 2017

TPS23525EVM-815 Evaluation Module

This user’s guide describes the TPS23525 evaluation module (TPS23525EVM-815). TPS23525EVM-815
contains evaluation and reference circuitry for the TPS23525, which is a low-side hot swap and dual
ORing controller targeted at telecom applications.

Contents

1

Introduction

...................................................................................................................

1

1.1

Features

..............................................................................................................

1

1.2

Applications

..........................................................................................................

2

1.3

Electrical Specifications

............................................................................................

2

2

Schematic

....................................................................................................................

3

3

General Configuration and Description

..................................................................................

4

3.1

Physical Access

....................................................................................................

4

3.2

Equipment Setup

...................................................................................................

5

3.3

Scope Considerations

.............................................................................................

5

4

Test Results

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5

5

Bill of Material

..............................................................................................................

13

List of Tables

1

TPS23525 Electrical and Performance Specifications at 25°C

........................................................

2

2

Connector Functionality

....................................................................................................

4

3

Test Points

....................................................................................................................

4

4

Jumper Descriptions

.........................................................................................................

4

5

TPS23525EVM-815 Bill of Materials

.....................................................................................

13

Trademarks

All trademarks are the property of their respective owners.

1

Introduction

The TPS23525 EVM provides a jump-start to anyone designing a redundant feed –48-V system. The EVM
includes input clamping to support lightning surge (up to 2 kV), various FET placeholders to support
various power levels, and an output inductor to mimic any EMI filter before the DC/DC converter.
Additionally, the EVM includes circuitry that supports auxiliary bulk capacitors. This “auxiliary bulk
capacitor” approach is useful when designing for large hold-up times (example: 10 ms) making the hot-
swap design more manageable by reducing the initial charge on the capacitor.

1.1

Features

This EVM has the following features:

Inrush current control

Hot-swap output short-circuit protection

Reverse current protection

Dual supply ORing

Reverse hookup protection

Содержание TPS23525EVM-815

Страница 1: ...fications at 25 C 2 2 Connector Functionality 4 3 Test Points 4 4 Jumper Descriptions 4 5 TPS23525EVM 815 Bill of Materials 13 Trademarks All trademarks are the property of their respective owners 1 I...

Страница 2: ...Electrical and Performance Specifications at 25 C Characteristic TPS23525EVM PWR815 Input voltage Range Recommended 38 V to 60 V Input Voltage Range Abs Max 0 V to 150 V Load Power 400 W Load Output...

Страница 3: ...3 SLVUB36 October 2017 Submit Documentation Feedback Copyright 2017 Texas Instruments Incorporated TPS23525EVM 815 Evaluation Module 2 Schematic Figure 1 illustrates the EVM schematic Figure 1 TPS235...

Страница 4: ...able 3 Test Points Connector Label Description TP1 RTN High side power supply input and high side output load voltage TP2 VCC Clamped voltage supply TP3 PGB Power Good Bar TP4 SS Soft start pin voltag...

Страница 5: ...ply B to J3 RTN Connect the ground lead from the power supply B to J7 Neg48V_B Make sure all voltmeter or oscilloscope GNDs are tied to VEE Turn the power supplies on 3 3 Scope Considerations Observe...

Страница 6: ...4 Start Up VIN 38 V No Load Scope GND 48V_A Figure 5 Start Up VIN 60 V VINA 54 V VINB 54 V No Load Scope GND RTN Figure 6 Hot Plug Channel A and B Together VINA 54 5 V VINB 54 V No Load Scope GND RTN...

Страница 7: ...ad 5 A Figure 10 Hot Plug A After B VINA 54 5 V VINB 54 V Scope GND RTN No Load Figure 11 Hot Plug A After B Scope GND 48V_B No Load After Inductor Figure 12 Output Hot Short VINB 54 V Scope GND 48V_B...

Страница 8: ...Module Scope GND 48V_B 5 A Load Zoomed In Figure 16 Output Hot Short VINB 60 V Scope GND 48V_A Figure 17 Gradual Overcurrent VINA 54 V Scope GND 48V_A Figure 18 Load Step Overcurrent Scope Gnd 48V_A V...

Страница 9: ...oad 5 A Figure 22 1 ms Brown Out Scope GND 48V_A Iload 5 A Figure 23 1 ms Brown Out VINB 53 V Iload 5 A Scope GND RTN Figure 24 Supply Switch Over Raise VINA VINB 53 V Raise VINA Scope GND RTN Iload 5...

Страница 10: ...5 V VINB 54 V Iload 5 A Scope GND RTN Figure 28 Unplug VIN A VINB 60 V Figure 29 Plug in VIN A Backwards VINB Floating Figure 30 Plug in VIN A Backwards Scope GND 48V_A No Load Figure 31 Undervoltage...

Страница 11: ...er IEC61000 4 5 Figure 34 2 kV 2 Lightning Surge Zoomed in Scope GND RTN 5 A Load Per IEC61000 4 5 Figure 35 2 kV 2 Lightning Surge Zoomed in Scope GND RTN 5 A Load Per IEC61000 4 5 Figure 36 2 kV 2 L...

Страница 12: ...t 2017 Texas Instruments Incorporated TPS23525EVM 815 Evaluation Module L1 20 H Scope GND 48V_A Figure 40 Load Step 0 A 11 A L1 20 H Scope GND 48V_A Figure 41 Load Step Into Overcurrent L1 20 H Scope...

Страница 13: ...H6 H7 H8 4 Standoff Hex 0 5 L 4 40 Nylon Standoff 1902C Keystone J1 J2 J3 J7 J8 J9 J10 7 Standard Banana Jack Uninsulated 8 9mm Keystone575 8 575 8 Keystone J5 1 Header 100mil 3x1 Gold TH PBC03SAAN P...

Страница 14: ...R 0603 0603 C1608X5R1A106M 080AC TDK C19 0 0 1uF CAP CERM 0 1uF 16V 5 X7R 0603 0603 0603YC104JAT2A AVX C22 C23 0 0 01uF CAP CERM 0 01 F 25 V 10 X7R 0603 0603 GRM188R71E103 KA01D Murata C24 0 0 1uF CAP...

Страница 15: ...set forth above or credit User s account for such EVM TI s liability under this warranty shall be limited to EVMs that are returned during the warranty period to the address designated by TI and that...

Страница 16: ...the antenna types listed in the user guide with the maximum permissible gain and required antenna impedance for each antenna type indicated Antenna types not included in this list having a gain great...

Страница 17: ...t the EVM user guide prior to connecting any load to the EVM output If there is uncertainty as to the load specification please contact a TI field representative During normal operation even with the...

Страница 18: ...OST OF REMOVAL OR REINSTALLATION ANCILLARY COSTS TO THE PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES RETESTING OUTSIDE COMPUTER TIME LABOR COSTS LOSS OF GOODWILL LOSS OF PROFITS LOSS OF SAVINGS LOSS OF...

Страница 19: ...TI Resource NO OTHER LICENSE EXPRESS OR IMPLIED BY ESTOPPEL OR OTHERWISE TO ANY OTHER TI INTELLECTUAL PROPERTY RIGHT AND NO LICENSE TO ANY TECHNOLOGY OR INTELLECTUAL PROPERTY RIGHT OF TI OR ANY THIRD...

Страница 20: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Texas Instruments TPS23525EVM 815...

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