Texas Instruments TPS65011EVM-049 Manual de usuario

January 2004 PMP Portable Power

SLVU103

TPS65011EVM-049

User's G uide

User's Guide

IMPORTANT NOTICE

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Mailing Address: Texas Instruments

Post Office Box 655303

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EVM IMPORTANT NOTICE

Texas Instruments (TI) provides the enclosed product(s) under the following conditions:

This evaluation kit being sold by TI is intended for use for ENGINEERING DEVELOPMENT OR

EVALUATION PURPOSES ONLY and is not considered by TI to be fit for commercial use. As such, the

goods being provided may not be complete in terms of required design–, marketing–, and/or manufacturing–

related protective considerations, including product safety measures typically found in the end product

incorporating the goods. As a prototype, this product does not fall within the scope of the European Union

directive on electromagnetic compatibility and therefore may not meet the technical requirements of the

directive.

Should this evaluation kit not meet the specifications indicated in the EVM User’s Guide, the kit may be

returned within 30 days from the date of delivery for a full refund. THE FOREGOING WARRANTY IS THE

EXCLUSIVE WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES,

EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR

FITNESS FOR ANY PARTICULAR PURPOSE.

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. Please be aware that the

products received may not be regulatory compliant or agency certified (FCC, UL, CE, etc.). Due to the open

construction of the product, it is the user’s responsibility to take any and all appropriate precautions with

regard to electrostatic discharge.

EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER PARTY SHALL BE

LIABLE TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL

DAMAGES.

TI currently deals with a variety of customers for products, and therefore our arrangement with the user is

not exclusive.

TI assumes no liability for applications assistance, customer product design, software performance,

or infringement of patents or services described herein.

Please read the EVM User’s Guide and, specifically, the EVM Warnings and Restrictions notice in the EVM

User’s Guide prior to handling the product. This notice contains important safety information about

temperatures and voltages. For further safety concerns, please contact the TI application engineer.

Persons handling the product must have electronics training and observe good laboratory practice standards.

No license is granted under any patent right or other intellectual property right of TI covering or relating to any

machine, process, or combination in which such TI products or services might be or are used.

Mailing Address:

Texas Instruments

Post Office Box 655303

Dallas, Texas 75265

EVM WARNINGS AND RESTRICTIONS

It is important to operate this EVM within the specified input and output ranges described in the EVM User’s

Guide.

Exceeding the specified input range may cause unexpected operation and/or irreversible damage to the

EVM. If there are questions concerning the input range, please contact a TI field representative prior to

connecting the input power.

Applying loads outside of the specified output range may result in unintended operation and/or possible

permanent damage to the EVM. Please consult the EVM User’s 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, some circuit components may have case temperatures greater than 60°C. The

EVM is designed to operate properly with certain components above 60°C as long as the input and output

ranges are maintained. These components include but are not limited to linear regulators, switching

transistors, pass transistors, and current sense resistors. These types of devices can be identified using the

EVM schematic located in the EVM User’s Guide. When placing measurement probes near these devices

during operation, please be aware that these devices may be very warm to the touch.

Mailing Address:

Texas Instruments

Post Office Box 655303

Dallas, Texas 75265

Preface

Read This First

About This Manual

This User’s Guide describes the characteristics, operation, and use of the

TPS65011EVM-049 evaluation module (EVM), which helps you evaluate

and test the various operating modes of the TPS65011. The guide includes

setup instructions for the hardware and software, a schematic diagram, a

bill of materials (BOM), and PCB layout drawings for the evaluation

module.

How to Use This Manual

This document contains the following chapters:

❏Chapter 1 – Introduction

❏Chapter 2 – Setup

❏Chapter 3 – Board Layout

❏Chapter 4 – Schematic and Bill of Materials

Related Documentation From Texas Instruments

TPS65011 Data Sheet (SLVS501)

If You Need Assistance

Please contact your local TI sales representative.

FCC Warning

This equipment is intended for use in a laboratory test environment only. It

generates, uses, and can radiate radio frequency energy and has not been

tested for compliance with the limits of computing devices pursuant to

subpart J of part 15 of FCC rules, which are designed to provide

reasonable protection against radio frequency interference. Operation of

this equipment in other environments may cause interference with radio

communications, in which case the user at his own expense will be

required to take whatever measures may be required to correct this

interference.

vii

Contents

Read This First ................................................................................................................... v

About This Manual ....................................................................................................... v

How to Use This Manual .............................................................................................. v

Related Documentation From Texas Instruments........................................................ v

If You Need Assistance................................................................................................ v

FCC Warning ............................................................................................................... v

Contents ........................................................................................................................... vii

Figures .............................................................................................................................. vii

Tables................................................................................................................................ vii

Introduction ..................................................................................................................... 1-1

1.1 Requirements .................................................................................................... 1-2

Setup ................................................................................................................................ 2-1

2.1 Input/Output Connectors ................................................................................... 2-2

2.2 Setup ................................................................................................................. 2-3

Board Layout...................................................................................................................3-1

3.1 Layout................................................................................................................ 3-2

Schematic and Bill of Materials ..................................................................................... 4-1

4.1 Schematic.......................................................................................................... 4-2

4.2 Bill of Materials.................................................................................................. 4-2

Figures

Figure 3-1. Assembly Layer. .......................................................................................... 3-2

Figure 3-2. Top Layer Routing ....................................................................................... 3-3

Figure 3-3. Layer 2 Routing............................................................................................ 3-3

Figure 3-4. Layer 3 Routing............................................................................................ 3-4

Figure 3-5. Bottom Layer Routing ................................................................................. 3-4

Figure 4-1. TPS65011EVM-049 Schematic....................................................................4-2

Tables

Table 2-1. Input/Output Connectors..............................................................................2-2

Table 4-1. Bill of Materials.............................................................................................. 4-2

viii

1-1

Chapter 1

Introduction

The Texas Instruments TPS65011EVM-049 is an integrated power and

battery management integrated circuit for applications that are powered

with one Li-Ion or Li-Polymer cell and require multiple power rails. The

TPS65011 contains two highly efficient switching step-down converters,

two LDOs, a battery charger, and additional status and I/O pins. You

control the device via an I2C interface.

Topic Page

1.1 Requirements 1-2

Introduction

1-2

1.1 Requirements

To operate this EVM properly, you must connect and properly configure the

following components:

❏Personal computer

A computer with a USB port is required to operate this EVM. The

TPS65011 interface software runs on the PC and communicates with

the EVM via the PC USB port. You can send commands to the EVM

and read the contents of the TPS65011 internal registers through the

USB port.

❏Printed circuit board assembly

The TPS65011EVM-049 PCB contains the TPS65011 IC and its

required external components. This board contains several jumpers

and connectors that enable you to customize the board for specific

operating conditions.

❏USB to I2C interface board (EV2300)

The EV2300 is the link that allows the PC and the EVM to

communicate. One end of the EV2300 connects to the PC with the

supplied USB cable; the other end of the EV2300 connects to the EVM

with the supplied Molex cable.

QWhen you write a command to the EVM, the interface program run

from the PC sends the command to the PC USB port. The EV2300

receives the USB command, converts the signal to an I2C protocol,

and sends the I2C signal to the TPS65011 board.

QWhen you read a status register from the EVM, the PC sends a

command to read a register on the EVM. When the EVM receives

the command, it reports the status of the register via the I2C

interface. The EV2300 receives the information on the I2C

interface, converts it to a USB protocol, and sends it to the PC.

Software

Texas Instruments has provided software to assist you in evaluating

this EVM. When downloading software from TI’s website:

1) Download the master installation file (SLVC021.zip).

2) Unzip the files to a temporary directory.

3) Run the START.bat to start the installation menu.

4) Install the TPS65010EVM controller program first. Note that the

TPS65010EVM controller program is used for both the TPS65010

and TPS65011 EVMs.

5) Install the USB drivers next. (Be sure that the EV2300 board is not

connected to your computer).

Note: Additional manual installation instructions are in the

drivers\readme.txt file.

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