Texas Instruments TPS6101xEVM-157 Manuale utente

TPS6101xEVMĆ157

EVM User's Guide for HighĆEfficiency,

Boost Con erters

October 2000 Power Management Products

User’s Guide

SLVU040

IMPORTANT NOTICE

Texas Instrumentsand itssubsidiaries(TI) reservetheright tomake changes totheir productsorto discontinue

any product or service without notice, and advise customers to obtain the latest version of relevant information

to verify, before placing orders, that information being relied on is current and complete. All products are sold

subject to the terms and conditions of sale supplied at the time of order acknowledgment, including those

pertaining to warranty, patent infringement, and limitation of liability.

TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in

accordance with TI’s standard warranty. Testing and other quality control techniques are utilized to the extent

TIdeemsnecessarytosupportthiswarranty.Specific testingof allparameters ofeach deviceis notnecessarily

performed, except those mandated by government requirements.

Customers are responsible for their applications using TI components.

In order to minimize risks associated with the customer’s applications, adequate design and operating

safeguards must be provided by the customer to minimize inherent or procedural hazards.

TIassumes no liabilityforapplications assistanceorcustomer productdesign.TI does notwarrant or represent

thatanylicense,eitherexpressorimplied,isgrantedunderanypatentright,copyright,maskworkright,orother

intellectual property right of TI covering or relating to any combination, machine, or process in which such

semiconductor products or services might be or are used. TI’s publication of information regarding any third

party’s products or services does not constitute TI’s approval, warranty or endorsement thereof.

iii

Read This First

Preface

About This Manual

This user’s guide describes the TPS6101xEVM-157 (SLVP157) evaluation

module for high-efficiency boost converters.

How to Use This Manual

Chapter 1 Introduction

Chapter 2 Evaluation With the TPS6101xEVM-157

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

TPS6101x data sheet (literature number SLVS314)

Running Title—Attribute Reference

Chapter Title—Attribute Reference

Contents

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

1.1 SLVP157 EVM Schematic 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.2 SLVP157 EVMs Available 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.3 SLVP157 Bill of Materials 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.4 Setup of the EVM 1-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 Evaluation With the TPS6101xEVM-157 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

2.2 Auto Discharge Enable (ADEN) Jumper 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.3 LBI/LBO Comparator 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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

3.1 PCB Layout of the TPS6101xEVM-157 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Running Title—Attribute Reference

Figures

1–1 SLVP157 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 Orderable EVMs 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1–2 SLVP157 EVM Bill of Materials 1-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-1

Introduction

The Texas Instruments TPS61010 to TPS61016 evaluation modules (EVM)

helps designers evaluate the different operating modes and the performance

of high-efficiency boost converters. Refer to Table 1–1 for the various EVMs

available in this family.

If any other output voltage is to be evaluated, the TPS61010 adjustable

version can be set up to provide an output voltage between 1.5 V and 3.3 V.

Only the feedback resistor divider has to be adjusted. Also, other fixed output

voltage versions of the devices can be easily evaluated using the EVM. Refer

to the data sheet (SLVS314) for the various fixed output voltage options

available in the TPS6101x device family.

The TPS6101x has an input voltage range between 0.9 V and VO. The

maximum output current is at least 100 mA depending on the input voltage.

Topic Page

1.1 SLVP157 EVM Schematic 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.2 SLVP157 EVMs Available 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.3 SLVP157 Bill of Materials 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.4 Setup of the EVMs 1–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 1

SLVP157 EVM Schematic

1-2

Introduction

1.1 SLVP157 EVM Schematic

Figure1–1 shows the SLVP157 EVM schematic diagram.

Figure 1–1.SLVP157 EVM Schematic Diagram

VBAT

GND

LBO

C4 C5

INPUT

OUTPUT

ADEN

LBO

COMP

GND

LBI

TPS6101x C2

VOUT

1.2 SLVP157 EVMs Available

Table 1–1 lists the various EVMs available in the TPS6101xEVM-157 family.

Table 1–1.SLVP157 Orderable EVMs

EVM Number Description

TPS61010EVM-157 Adjustable output voltage, set to 3.3 V

TPS61013EVM-157 2.5-V fixed output voltage

TPS61015EVM-157 3-V fixed output voltage

TPS61016EVM-157 3.3-V fixed output voltage

SLVP157 Bill of Materials

1-3

Introduction

1.3 SLVP157 Bill of Materials

Table 1–2 lists materials required for the SLVP157 EVM. More details about

the design and component selection for the dc-dc converter can be found in

the data sheet (SLVS314).

Table 1–2.SLVP157 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

J1, J2 1Header 1 x 3, 0.1” pitch, with jumper

L1 1 CDRH6D38-100 Coil Sumida

R1 1 Resistor, 100 kΩ, 1%, SMD 0805

R2 1Resistor, 1 M0, 1%, SMD 0805

Not used with fixed output voltage versions

R3 1Resistor, 180 kΩ, 1%, SMD 0805

Not used with fixed output voltage versions

R4 1Resistor, 1 M0, 1%, SMD 0805

R5 1Resistor, 390 kΩ, 1%, SMD 0805

R6 1Resistor, 470 kΩ, 1%, SMD 0805

GND, LBO 2Test points

INPUT,

OUTPUT 2Header 1 x 4, 0.1” pitch

U1 1TPS61010DGS IC, high-efficiency boost converter,

adjustable version, MSOP10 Texas Instruments

TPS61013DGS IC, high-efficiency boost converter,

2.5-V fixed output voltage version, MSOP10 Texas Instruments

TPS61015DGS IC, high-efficiency boost converter,

3-V fixed output voltage version, MSOP10 Texas Instruments

TPS61016DGS IC, high-efficiency boost converter,

3.3-V fixed output voltage version, MSOP10 Texas Instruments

Setup of the EVMs

1-4

Introduction

1.4 Setup of the EVMs

Itis importantto establishall connectionsto the EVMbefore thepower 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) Verify that the jumper, J2, is set to TBD.

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

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