Microchip Technology MCP19035 Manual de usuario

2012 Microchip Technology Inc. DS52099A

MCP19035

300 kHz Synchronous

Buck Controller

Evaluation Board

User’s Guide

DS52099A-page 2 2012 Microchip Technology Inc.

Information contained in this publication regarding device

applications and the like is provided only for your convenience

and may be superseded by updates. It is your responsibility to

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suits, or expenses resulting from such use. No licenses are

conveyed, implicitly or otherwise, under any Microchip

intellectual property rights.

Note the following details of the code protection feature on Microchip devices:

• Microchip products meet the specification contained in their particular Microchip Data Sheet.

• Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the

intended manner and under normal conditions.

• There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our

knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data

Sheets. Most likely, the person doing so is engaged in theft of intellectual property.

• Microchip is willing to work with the customer who is concerned about the integrity of their code.

• Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not

mean that we are guaranteeing the product as “unbreakable.”

Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our

products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts

allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.

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and India. The Company’s quality system processes and procedures

are for its PIC®MCUs and dsPIC®DSCs, KEELOQ®code hopping

devices, Serial EEPROMs, microperipherals, nonvolatile memory and

analog products. In addition, Microchip’s quality system for the design

and manufacture of development systems is ISO 9001:2000 certified.

QUALITY MANAGEMENT S

YSTEM

CERTIFIED BY DNV

== ISO/TS 16949 ==

Trademarks

The Microchip name and logo, the Microchip logo, dsPIC,

FlashFlex, KEELOQ, KEELOQ logo, MPLAB, PIC, PICmicro,

PICSTART, PIC32 logo, rfPIC, SST, SST Logo, SuperFlash

andUNI/OareregisteredtrademarksofMicrochipTechnology

Incorporated in the U.S.A. and other countries.

FilterLab, Hampshire, HI-TECH C, Linear Active Thermistor,

MTP, SEEVAL and The Embedded Control Solutions

Company are registered trademarks of Microchip Technology

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Microchip Technology Inc. in other countries.

Analog-for-the-Digital Age, Application Maestro, BodyCom,

chipKIT, chipKIT logo, CodeGuard, dsPICDEM,

dsPICDEM.net, dsPICworks, dsSPEAK, ECAN,

ECONOMONITOR, FanSense, HI-TIDE, In-Circuit Serial

Programming, ICSP, Mindi, MiWi, MPASM, MPF, MPLAB

Certified logo, MPLIB, MPLINK, mTouch, Omniscient Code

Generation, PICC, PICC-18, PICDEM, PICDEM.net, PICkit,

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and Z-Scale are trademarks of Microchip Technology

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SQTP is a service mark of Microchip Technology Incorporated

in the U.S.A.

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Technology Germany II GmbH & Co. & KG, a subsidiary of

Microchip Technology Inc., in other countries.

All other trademarks mentioned herein are property of their

respective companies.

Printed on recycled paper.

ISBN: 978-1-62076-662-0

2012 Microchip Technology Inc. DS52099A-page 3

MCP19035 300 kHz Synchronous Buck Controller Evaluation Board User’s Guide

Object of Declaration: MCP19035 300 kHz Synchronous Buck Controller Evaluation Board

2012 Microchip Technology Inc. DS52099A-page 4

MCP19035 300 kHz Synchronous Buck Controller Evaluation Board User’s Guide

NOTES:

MCP19035 300 KHZ SYNCHRONOUS

BUCK CONTROLLER EVALUATION

BOARD USER’S GUIDE

2012 Microchip Technology Inc. DS52099A-page 5

Table of Contents

Preface ...........................................................................................................................7

Introduction............................................................................................................7

Document Layout .................................................................................................. 7

Conventions Used in this Guide............................................................................ 8

Recommended Reading........................................................................................ 9

The Microchip Web Site ........................................................................................ 9

Customer Support.................................................................................................9

Document Revision History................................................................................... 9

Chapter 1. Product Overview

1.1 Introduction ...................................................................................................11

1.2 MCP19035 Short Overview ..........................................................................11

1.3 What Is the MCP19035 300 kHz Synchronous Buck Controller

Evaluation Board? .................................................................................. 12

1.4 What the MCP19035 300 kHz Synchronous Buck Controller

Evaluation Board Kit Contains ................................................................12

Chapter 2. Installation and Operation

2.1 Introduction ...................................................................................................13

2.2 Getting Started ............................................................................................. 13

2.2.1 Necessary Instruments and Tools .............................................................13

2.2.2 Setup Procedure .......................................................................................13

2.2.3 Board Testing ............................................................................................14

Appendix A. Schematic and Layouts

A.1 Introduction ..................................................................................................17

A.2 Board – Schematic ....................................................................................... 18

A.3 Board – Top Silk and Pads ..........................................................................19

A.4 Board – Top Copper and Silk .......................................................................20

A.5 Board – Top Copper ....................................................................................21

A.6 Board – Mid Layer 1 ..................................................................................... 22

A.7 Board – Mid Layer 2 ..................................................................................... 23

A.8 Board – Bottom Copper and Pads ...............................................................24

A.9 Board – Bottom Copper, Silk and Pads .......................................................25

Appendix B. Bill of Materials

Appendix C. Typical Performance Data, Curves and Waveforms

C.1 Introduction ..................................................................................................29

Worldwide Sales and Service ....................................................................................36

MCP19035 300 kHz Synchronous Buck Controller Evaluation Board User’s Guide

DS52099A-page 6 2012 Microchip Technology Inc.

MCP19035 300 KHZ SYNCHRONOUS

BUCK CONTROLLER EVALUATION

BOARD USER’S GUIDE

2012 Microchip Technology Inc. DS52099A-page 7

Preface

INTRODUCTION

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

MCP19035 300 kHz Synchronous Buck Controller Evaluation Board. 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 MCP19035 300 kHz Synchronous Buck

Controller Evaluation Board as a development tool to emulate and debug firmware on

a target board. The manual layout is as follows:

•Chapter 1. “Product Overview” – Shows a brief description of the MCP19035

300 kHz Synchronous Buck Controller Evaluation Board

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

started with the MCP19035 300 kHz Synchronous Buck Controller Evaluation

Board

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

diagrams for the MCP19035 300 kHz Synchronous Buck Controller Evaluation

Board

•Appendix B. “Bill of Materials” – Lists the parts used to build the MCP19035

300 kHz Synchronous Buck Controller Evaluation Board

•Appendix C. “Typical Performance Data, Curves and Waveforms” – Shows

the typical performance graphs

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 online help.

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

MCP19035 300 kHz Synchronous Buck Controller Evaluation Board User’s Guide

DS52099A-page 8 2012 Microchip Technology Inc.

CONVENTIONS USED IN THIS GUIDE

This manual uses the following documentation conventions:

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

N‘Rnnnn A number in verilog format,

where N isthe total number of

digits, R is the radix and n is a

digit.

4‘b0010, 2‘hF1

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

Courier New font:

Plain Courier New 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

Constants 0xFF, ‘A’

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

any valid filename

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

2012 Microchip Technology Inc. DS52099A-page 9

RECOMMENDED READING

This user's guide describes how to use MCP19035 300 kHz Synchronous Buck

Controller Evaluation Board. Other useful documents are listed below. The following

Microchip documents are available and recommended as supplemental reference

resources.

• MCP19035 Data Sheet – “High-Speed Synchronous Buck Controller”

(DS22326)

• AN1452 – “Using the MCP19035 Synchronous Buck Converter Design Tool”

(DS01452)

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:

•Product Support – Data sheets and errata, application notes and sample

programs, design resources, user’s guides and hardware support documents,

latest software releases and archived software

•General Technical Support – Frequently Asked Questions (FAQs), technical

support requests, online discussion groups, Microchip consultant program

member listing

•Business of Microchip – Product selector and ordering guides, latest Microchip

press releases, listing of seminars and events, listings of Microchip sales offices,

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

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://www.microchip.com/support

DOCUMENT REVISION HISTORY

Revision A (November 2012)

• Initial Release of this Document.

MCP19035 300 kHz Synchronous Buck Controller Evaluation Board User’s Guide

DS52099A-page 10 2012 Microchip Technology Inc.

NOTES:

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