Texas Instruments TPS61007EVM-177 Bedienungsanleitung

TPS61007EVM-177

EVM User's Guide for HighĆEfficiency,

Boost Con erters

October 2000 Power Management Products

User’s Guide

SLVU039

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iii

Read This First

Preface

About This Manual

This user’s guide describes the TPS61007EVM-177 (SLVP177) evaluation

module for high-efficiency boost converters.

How to Use This Manual

Chapter 1 Introduction

Chapter 2 Evaluation With the TPS61007EVM-177

Chapter 3 Printed Circuit Board (PCB) Layout

Information About Cautions and Warnings

This book may contain cautions and warnings.

This is an example of a caution statement.

A caution statement describes a situation that could potentially

damage your software or equipment.

This is an example of a warning statement.

A warning statement describes a situation that could potentially

cause harm to you.

The information in a caution or a warning is provided for your protection.

Please read each caution and warning carefully.

Related Documentation From Texas Instruments

TPS61007 data sheet (literature number SLVS279)

Running Title—Attribute Reference

Chapter Title—Attribute Reference

Contents

1 Introduction 1–1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.1 SLVP177 EVM Schematic 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.2 SLVP177 Bill of Materials 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.3 Setup of the EVM 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 Evaluation With the TPS61007EVM-177 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.1 Enable (EN) Jumper 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.2 LBI/LBO Comparator 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3 PCB Layout 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.1 PCB Layout of the TPS61007EVM-177 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Running Title—Attribute Reference

Figures

1–1 SLVP177 EVM Schematic Diagram 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–1 Component Placement 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–2 Top Layer 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3–3 Bottom Layer 3-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Tables

1–1 SLVP177 EVM Bill of Materials 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-1

Introduction

The Texas Instruments TPS61007 evaluation module (EVM) helps designers

evaluatethedifferentoperatingmodesandtheperformanceofhigh-efficiency

boost converters.

The TPS61007EVM-177 is an adjustable boost converter whose output

voltage is set to 3.3 V. If any other output voltage needs to be evaluated, the

TPS61007EVM-177canbeeasilysetuptoprovideanoutputvoltagebetween

1.5 V and 3.3 V by modifying the external resistor divider.

The TPS61007 has an input voltage range between 0.9 V and VO. The

maximum output current is at least 100 mA from 0.9-V input voltage (one

batterycellinput) and250mA from1.8-Vinput voltage(twobattery cellinput).

Topic Page

1.1 SLVP177 EVM Schematic 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.2 SLVP177 Bill of Materials 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.3 Setup of the EVMs 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 1

SLVP177 EVM Schematic

1-2

Introduction

1.1 SLVP177 EVM Schematic

Figure1–1 shows the SLVP177 EVM schematic diagram.

Figure 1–1.SLVP177 EVM Schematic Diagram

J1 GND

DS1

LBO

FBGND

COMP

VOUT

LBI

GND

VBAT

TPS61007

INPUT

C2 C3

LBO

R4 OUTPUT

1.2 SLVP177 Bill of Materials

Table 1–1 lists materials required for the SLVP177 EVM.

Table 1–1.SLVP177 EVM Bill of Materials

Ref Des Qty Part Number Description MFG

C1 1 C3216X5R0J106 Capacitor, 10 µF, X5R, 6.3 V, SMD 1206 TDK

C2 1Capacitor, 10 pF, X7R, SMD 0805

C3 1Capacitor, 10 nF, X7R, SMD 0805

C4 1 C4532X5R1A226M Capacitor, 22 µF, X5R, 6.3 V, SMD 1812 TDK

C5 Not Used

DS1 1 MBRM120LT3 Diode, Schottky, DO216AA ON Semiconductor

GND, LBO 2Test points

INPUT,

OUTPUT 2Header 1 x 4, 0.1” pitch

J1 1Header 1 x 3, 0.1” pitch, with jumper

L1 1 CDRH6D38-100 Coil Sumida

R1 1 Resistor, 100 kΩ, 1%, SMD 0805

R2, R4 1Resistor, 1 MΩ, 1%, SMD 0805

R3 1Resistor, 180 kΩ, 1%, SMD 0805

R5 1Resistor, 390 kΩ, 1%, SMD 0805

R6 1Resistor, 470 kΩ, 1%, SMD 0805

U1 1 TPS61007DGS IC, high-efficiency boost converter,

adjustable version, MSOP10 Texas Instruments

Setup of the EVM

1-3

Introduction

1.3 Setup of the EVM

Itis important toestablish all connections to the EVM before the power supply

connected to the EVM is turned on.

1) Connect a power supply (0.9 V to VO, depending on the output voltage of

the EVM) to the INPUT header.

2) Connect a voltmeter to the OUTPUT header.

3) Verify that the jumper, J1, is set to EN.

4) Turn on the power supply and verify the output voltage.

1-4

Introduction

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