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Texas Instruments TPS65020EVM-110 manual Layout, Assembly Layer

Models: TPS65020EVM-110

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Board Layout

3.1Layout

Board layout is critical for all switch mode power supplies. Figure 1 through Figure 5 show the board layout for the TPS65020EVM-110 PWB. The nodes with high switching frequencies and currents are short and are isolated from the noise sensitive feedback circuitry. Careful attention has been given to the routing of high frequency current loops. See to the datasheet for specific layout guidelines.

Figure 1. Assembly Layer

TPS65020EVM-110 User's Guide

SLVU138 –August 2005

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Texas Instruments TPS65020EVM-110 manual Layout, Assembly Layer

Contents

1 Introduction 1.1 Requirements1.2 Personal Computer PC TPS65020EVM-110 Users Guide1.3 Printed Circuit Board Assembly 2 Setup2.1 Input / Output Connector Descriptions 1.4 USB to I2C Interface Board EV23002.2 Setup 3 Board LayoutINPUT / OUTPUT DESCRIPTIONFigure 1. Assembly Layer 3.1 LayoutFigure 2. Top Layer Board LayoutFigure 3. Routing, GND Plane Board LayoutFigure 4. Routing, VIN Plane Board LayoutFigure 5. Routing, Bottom Layer 4 Schematic and Bill of MaterialsSchematic and Bill of Materials Figure 6. TPS65020EVM-110 Schematic 4.1 SchematicSchematic and Bill of Materials 4.2 Bill of Material 5 Related DocumentationTable 1. HPA110A BOM Related DocumentationFCC Warnings EVM IMPORTANT NOTICEEVM WARNINGS AND RESTRICTIONS Copyright 2005, Texas Instruments IncorporatedIMPORTANT NOTICE power.ti.comProducts Applications