Microchip Technology MCP73213 OVP Bedienungsanleitung

MCP73213

OVP Dual-Cell

Li-Ion Battery Charger

Evaluation Board

User’s Guide

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MCP73213 OVP DUAL-CELL LI-ION

BATTERY CHARGER EVALUATION

BOARD USER’S GUIDE

Table of Contents

Preface ........................................................................................................................... 1

Introduction............................................................................................................1

Document Layout..................................................................................................1

Conventions Used in this Guide............................................................................2

Recommended Reading........................................................................................2

The Microchip Web Site........................................................................................3

Customer Support.................................................................................................3

Document Revision History...................................................................................3

Chapter 1. Product Overview

1.1 Introduction .....................................................................................................5

1.2 What is the MCP73213 OVP Dual-Cell Li-Ion Battery Charger

Evaluation Board? ....................................................................................6

1.3 What the MCP73213 OVP Dual-Cell Li-Ion Battery Charger

Evaluation Board Kit Includes: ..................................................................6

Chapter 2. Installation and Operation

2.1 Introduction .....................................................................................................7

2.2 Features .........................................................................................................7

2.3 Getting Started ...............................................................................................8

Appendix A. Schematic and Layouts

A.1 Introduction ..................................................................................................11

A.2 Board – Schematic .......................................................................................12

A.3 Board – Assembly Drawing ..........................................................................13

A.4 Board – Top Layer .......................................................................................14

A.5 Board – Top Metal Layer .............................................................................15

A.6 Board – Bottom Layer .................................................................................16

Appendix B. Bill Of Materials (BOM)

Worldwide Sales and Service .................................................................................... 18

MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation Board User’s Guide

NOTES:

MCP73213 OVP DUAL-CELL LI-ION

BATTERY CHARGER EVALUATION

BOARD USER’S GUIDE

Preface

INTRODUCTION

This chapter contains general information that will be useful to know before using the

MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation Board User’s Guide.

Items discussed in this chapter include:

• Document Layout

• Conventions Used in this Guide

• Recommended Reading

• The Microchip Web Site

• Customer Support

• Document Revision History

DOCUMENT LAYOUT

This document describes how to use the MCP73213 OVP Dual-Cell Li-Ion Battery

Charger Evaluation Board. The manual layout is as follows:

•Chapter 1. “Product Overview” – Important information about the MCP73213

OVP Dual-Cell Li-Ion Battery Charger Evaluation Board.

•Chapter 2. “Installation and Operation” – Includes instructions on how to get

started with this user’s guide and a description of the user’s guide.

•Appendix A. “Schematic and Layouts” – Shows the schematic and layout

diagrams for the MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation

Board.

•Appendix B. “Bill Of Materials (BOM)” – Lists the parts used to build the

MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation Board.

NOTICE TO CUSTOMERS

All documentation becomes dated, and this manual is no exception. Microchip tools and

documentation are constantly evolving to meet customer needs, so some actual dialogs

and/or tool descriptions may differ from those in this document. Please refer to our web site

(www.microchip.com) to obtain the latest documentation available.

Documents are identified with a “DS” number. This number is located on the bottom of each

page, in front of the page number. The numbering convention for the DS number is

“DSXXXXXA”, where “XXXXX” is the document number and “A” is the revision level of the

document.

For the most up-to-date information on development tools, see the MPLAB®IDE on-line help.

Select the Help menu, and then Topics to open a list of available on-line help files.

MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation Board User’s Guide

CONVENTIONS USED IN THIS GUIDE

This manual uses the following documentation conventions:

RECOMMENDED READING

This user's guide describes how to use MCP73213 OVP Dual-Cell Li-Ion Battery

Charger Evaluation Board. The following Microchip document is recommended as

supplemental reference resources.

MCP73213 Data Sheet, “Dual-Cell Li-Ion / Li-Polymer Battery Charge

Management Controller with Input Overvoltage Protection”,DS22190

This data sheet provides detailed information regarding the MCP73213 product family.

DOCUMENTATION CONVENTIONS

Description Represents Examples

Arial font:

Italic characters Referenced books MPLAB®IDE User’s Guide

Emphasized text ...is the only compiler...

Initial caps A window the Output window

A dialog the Settings dialog

A menu selection select Enable Programmer

Quotes A field name in a window or

dialog “Save project before build”

Underlined, italic text with

right angle bracket A menu path File>Save

Bold characters A dialog button Click OK

A tab Click the Power tab

‘bnnnn A binary number where nis a

digit ‘b00100, ‘b10

Text in angle brackets < > A key on the keyboard Press <Enter>, <F1>

Courier font:

Plain Courier Sample source code #define START

Filenames autoexec.bat

File paths c:\mcc18\h

Keywords _asm, _endasm, static

Command-line options -Opa+, -Opa-

Bit values 0, 1

Italic Courier A variable argument file.o, where file can be

any valid filename

0xnnnn A hexadecimal number where

nis a hexadecimal digit 0xFFFF, 0x007A

Square brackets [ ] Optional arguments mcc18 [options] file

[options]

Curly brackets and pipe

character: { | } Choice of mutually exclusive

arguments; an OR selection errorlevel {0|1}

Ellipses... Replaces repeated text var_name [,

var_name...]

Represents code supplied by

user void main (void)

{ ...

}

Preface

THE MICROCHIP WEB SITE

Microchip provides online support via our web site at www.microchip.com. This web

site is used as a means to make files and information easily available to customers.

Accessible by using your favorite Internet browser, the web site contains the following

information:

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distributors and factory representatives

CUSTOMER SUPPORT

Users of Microchip products can receive assistance through several channels:

• Distributor or Representative

• Local Sales Office

• Field Application Engineer (FAE)

• Technical Support

• Development Systems Information Line

Customers should contact their distributor, representative or field application engineer

(FAE) for support. Local sales offices are also available to help customers. A listing of

sales offices and locations is included in the back of this document.

Technical support is available through the web site at: http://support.microchip.com

DOCUMENT REVISION HISTORY

Revision A (July 2009)

• Initial Release of this Document.

MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation Board User’s Guide

NOTES:

MCP73213 OVP DUAL-CELL LI-ION

BATTERY CHARGER EVALUATION

BOARD USER’S GUIDE

Chapter 1. Product Overview

1.1 INTRODUCTION

The MCP73213 product family is highly integrated linear charge management

controllers for dual-cell Li-Ion and Li-Polymer batteries. The MCP73213 product family

operates with minimum external components, which is ideal for use in space-limited

and cost-effective applications. The maximum 18V rated input over voltage protection

and battery short circuit protection offer designers a secondary protection in additionto

the Li-Ion battery protection circuit.

This chapter provides an overview of the MCP73213 OVP Dual-Cell Li-Ion Battery

Charger Evaluation Board and covers the following topics:

• “What is the MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation Board?”

• “What the MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation Board Kit

Includes”

FIGURE 1-1: MCP73213 Typical Application.

STAT

VDD

PROG

REGULATED

WALL CUBE

CIN

2-Cell

Li-Ion/Li-Poly

Battery

RLED

VDD

VBAT

VSS

COUT

RPROG

MCP73213

MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation Board User’s Guide

1.2 WHAT IS THE MCP73213 OVP DUAL-CELL LI-ION BATTERY CHARGER

EVALUATION BOARD?

The MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation Board demonstrates

the features of Microchip’s MCP73213 “Dual-Cell Li-Ion / Li-Polymer Battery Charge

Management Controller with Input Overvoltage Protection”.

The MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation Board is designed

with two charging currents. The default value is 500 mA and when PROG via is tied to

ground, the two parallel resistors output 1000 mA charging current to a Li-Ion battery.

One blue LED status output allows the user to learn if the MCP73213 is in charging

state or not.

TheMCP73213OVP Dual-Cell Li-IonBatteryChargerEvaluation Boardcomeswithan

installed MCP73213 device in the 3 mm x 3 mm DFN package. The factory preset

battery regulation voltage is 8.40V with 10% precondition current, 10% termination

current set point, automatic recharge and 6.5V OVP threshold voltage.

The MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation Board is designed to

observe the performance and features on the circuits via multiple test points. Circuits

can also be implemented into suitable applications without additional work.

1.3 WHAT THE MCP73213 OVP DUAL-CELL LI-ION BATTERY CHARGER

EVALUATION BOARD KIT INCLUDES:

This MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation Board kit includes:

• MCP73213 OVP Dual-Cell Li-Ion Battery Charger Evaluation Board, 102-00261

• Important Information Sheet

Note: Refer to Table 2-2 for ChargeStatus Outputs andTable 2-1 forFast Charge

Current vs. Resistor Lookup Table.

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