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User's Guide

SLVU780–September 2012

TPS5403EVM User’s Guide

Contents

1 INTRODUCTION ............................................................................................................ 2

2 BACKGROUND ............................................................................................................. 2

3 BOARD LAYOUT ........................................................................................................... 3

4 BENCH TEST SETUP CONDITIONS .................................................................................... 5

4.1 Headers Description and Jumper Placement .................................................................. 5

4.2 Jumpers and Switches ............................................................................................ 5

5 POWER-UP PROCEDURE ................................................................................................ 6

6 SCHEMATIC AND BILL OF MATERIALS ............................................................................... 6

List of Figures

1 Placement (Top Layer)..................................................................................................... 3

2 Board Layout (Top Layer).................................................................................................. 4

3 Board Layout (Bottom Layer).............................................................................................. 4

4 Headers Description and Jumper Placement ........................................................................... 5

5 TPS5403EVM Schematic .................................................................................................. 7

List of Tables

1 Summary of Performance.................................................................................................. 2

2 Jumpers and Switches ..................................................................................................... 5

3 TPS5403EVM Bill of Materials ............................................................................................ 8

SLVU780–September 2012 TPS5403EVM User’s Guide

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Summary of content (13 pages)

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User's Guide SLVU780 – September 2012 TPS5403EVM User’s Guide 1 2 3 4 5 6 Contents INTRODUCTION ............................................................................................................ BACKGROUND ............................................................................................................. BOARD LAYOUT ........................................................................................................... BENCH TEST SETUP CONDITIONS .................................
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INTRODUCTION 1 www.ti.com INTRODUCTION This document presents the information required to operate the TPS5403 as well as the support documentation including schematic and bill of materials. 2 BACKGROUND The TPS5403 is designed to provide 1.7-A continuous current with an operational range of 4.5 V to 28 V and an external set switching frequency ranging from 50 kHz to 1.1 MHz. As there are many possible options to set the converters, Table 1 presents the performance specification summary for the EVM.
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BOARD LAYOUT www.ti.com 3 BOARD LAYOUT Figure 1.
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BOARD LAYOUT www.ti.com Figure 2. Board Layout (Top Layer) Figure 3.
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BENCH TEST SETUP CONDITIONS www.ti.com 4 BENCH TEST SETUP CONDITIONS 4.1 Headers Description and Jumper Placement Figure 4. Headers Description and Jumper Placement Test points: (A) LX, VIN, VOUT 4.2 Jumpers and Switches Table 2. Jumpers and Switches NO.
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POWER-UP PROCEDURE 5 www.ti.com POWER-UP PROCEDURE 1. Apply 4.5 V - 28 V to JP1. 2. Apply load to the output connector. 6 SCHEMATIC AND BILL OF MATERIALS The following pages contain the TPS5403EVM schematic and bill of materials.
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SCHEMATIC AND BILL OF MATERIALS www.ti.com Figure 5.
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SCHEMATIC AND BILL OF MATERIALS www.ti.com Table 3. TPS5403EVM Bill of Materials Item No. Qty Designator Value Manufacturer 1 1 C1 0.1uF Generic Capacitor, 0.1uF, 35V, Ceramic, X7R, 0603 2 3 C2, C8B, C8C 10uF Generic Capacitor, 10uF, 35V, Ceramic, X5R, 0805 3 2 C2A, C8A 220uF Rubycon 4 1 C4 10nF Generic Capacitor, 10nF, 35V, Ceramic, X7R, 0603 C5 470pF Generic Capacitor, 470pF, 50V, Ceramic, X7R, 0603 5 5YXF220MEFC Description 220uF/35V 10x12.5 6 1 C6A 2.
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EVALUATION BOARD/KIT/MODULE (EVM) ADDITIONAL TERMS Texas Instruments (TI) provides the enclosed Evaluation Board/Kit/Module (EVM) under the following conditions: The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies TI from all claims arising from the handling or use of the goods.
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FCC Interference Statement for Class B EVM devices 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. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
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【Important Notice for Users of this Product in Japan】】 This development kit is NOT certified as Confirming to Technical Regulations of Radio Law of Japan If you use this product in Japan, you are required by Radio Law of Japan to follow the instructions below with respect to this product: 1. 2. 3. Use this product in a shielded room or any other test facility as defined in the notification #173 issued by Ministry of Internal Affairs and Communications on March 28, 2006, based on Sub-section 1.
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EVALUATION BOARD/KIT/MODULE (EVM) WARNINGS, RESTRICTIONS AND DISCLAIMERS For Feasibility Evaluation Only, in Laboratory/Development Environments. Unless otherwise indicated, this EVM is not a finished electrical equipment and not intended for consumer use.
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IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest issue. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.