Microchip Technology MCP1630 NiMH User Manual
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Microchip Technology MCP1630 NiMH User Manual

Microchip Technology MCP1630 NiMH User Manual

Battery charger demo board
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MCP1630 NiMH
Battery Charger Demo Board
User's Guide
© 2006 Microchip Technology Inc.
DS51505B

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Summary of Contents for Microchip Technology MCP1630 NiMH

  • Page 1 MCP1630 NiMH Battery Charger Demo Board User’s Guide © 2006 Microchip Technology Inc. DS51505B...
  • Page 2 Mode, Smart Serial, SmartTel, Total Endurance, UNI/O, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies.

  • Page 3: Table Of Contents

    1.1 Introduction ..................... 5 1.2 What is the MCP1630 NiMH Battery Charger Demo Board? ......6 1.3 What the MCP1630 NiMH Battery Charger Demo Board Kit Includes ... 6 Chapter 2. Installation and Operation ................. 7 2.1 Introduction ..................... 7 2.2 Features ......................
  • Page 4 MCP1630 NiMH Battery Charger Demo Board User’s Guide NOTES: © 2006 Microchip Technology Inc. DS51505B-page iv...

  • Page 5: Preface

    NiMH Battery Charger Demo Board. • Chapter 2. “Installation and Operation” – This chapter includes instructions on how to get started, as well as a description of the MCP1630 NiMH Battery Charger Demo Board. • Appendix A. “Schematic and Layouts” – Shows the schematic and layout diagrams for the MCP1630 NiMH Battery Charger Demo Board.

  • Page 6: Conventions Used In This Guide

    (void) user { ... RECOMMENDED READING This user's guide describes how to use the MCP1630 NiMH Battery Charger Demo Board. The following Microchip documents are available and recommended as supplemental reference resources. MCP1630 Data Sheet, “High-Speed, Microcontroller-Adaptable, Pulse Width Modulator”...

  • Page 7: Customer Support

    Technical support is available through the web site at: http://support.microchip.com DOCUMENT REVISION HISTORY Revision B (March 2006) • Updated Bill of Materials (BOM) to show RoHS-compliant part numbers. Revision A (September 2004) • Initial Release of this Document. © 2006 Microchip Technology Inc. DS51505B-page 3...
  • Page 8 MCP1630 NiMH Battery Charger Demo Board User’s Guide NOTES: © 2006 Microchip Technology Inc. DS51505B-page 4...

  • Page 9: Chapter 1. Product Overview

    Chapter 1. Product Overview INTRODUCTION The MCP1630 NiMH Battery Charger Demo Board is used to evaluate the Microchip MCP1630 used in a SEPIC power-converter application. The evaluation board is a complete stand-alone 4-cell NiMH battery charger that utilizes an 8V to 15V input capable of charging 4 NiMH batteries in series.

  • Page 10: What Is The Mcp1630 Nimh Battery Charger Demo Board

    MCP1630 NiMH Battery Charger Demo Board User’s Guide WHAT IS THE MCP1630 NIMH BATTERY CHARGER DEMO BOARD? The MCP1630 NiMH Battery Charger Demo Board is a complete stand-alone constant current battery charger and simple fuel gauge for four NiMH series batteries. This ®...

  • Page 11: Chapter 2. Installation And Operation

    The power train signals include the current sense and the feedback voltage; the output signal is a square-wave pulse. The power train used for the MCP1630 NiMH Battery Charger Demo Board is a Single-Ended Primary Inductive Converter (SEPIC).

  • Page 12: Getting Started

    APPLYING THE LOAD TO THE MCP1630 NiMH BATTERY CHARGER DEMO BOARD. 1. To apply a load to the MCP1630 NiMH Battery Charger Demo Board, the positive side of the load (+) should be connected to test point TP1. The negative side of the load (–) should be connected to test point TP4.
  • Page 13 Overcurrent ON Blinking With no input connected and 4 NiMH batteries used as a load, the MCP1630 NiMH Battery Charger Demo Board will consume approximately 29 μA from the battery. A temperature sensor is provided for charge termination. The sensor (U2) is located on the back of the printed circuit board.
  • Page 14 MCP1630 NiMH Battery Charger Demo Board User’s Guide NOTES: © 2006 Microchip Technology Inc. DS51505B-page 10...

  • Page 15: Appendix A. Schematic And Layouts

    DEMO BOARD USER’S GUIDE Appendix A. Schematic and Layouts INTRODUCTION This appendix contains the schematics and layouts for the MCP1630 NiMH Battery Charger Demo Board. The diagrams included in this appendix include: • Board Schematic • Board - Top Layer •...

  • Page 16: Board Schematic

    MCP1630 NiMH Battery Charger Demo Board User’s Guide BOARD SCHEMATIC - PAGE 1 © 2006 Microchip Technology Inc. DS51505B-page 12...

  • Page 17: Board Schematic

    Schematic and Layouts BOARD SCHEMATIC - PAGE 2 © 2006 Microchip Technology Inc. DS51505B-page 13...

  • Page 18: Board - Top Layer

    MCP1630 NiMH Battery Charger Demo Board User’s Guide BOARD - TOP LAYER TOP LAYER © 2006 Microchip Technology Inc. DS51505B-page 14...

  • Page 19: Board - Bottom Layer

    Schematic and Layouts BOARD - BOTTOM LAYER © 2006 Microchip Technology Inc. DS51505B-page 15...

  • Page 20: Board - Mid-Layer 1

    MCP1630 NiMH Battery Charger Demo Board User’s Guide BOARD - MID-LAYER 1 © 2006 Microchip Technology Inc. DS51505B-page 16...

  • Page 21: A.7 Board - Mid-Layer 2

    Schematic and Layouts BOARD - MID-LAYER 2 © 2006 Microchip Technology Inc. DS51505B-page 17...
  • Page 22 MCP1630 NiMH Battery Charger Demo Board User’s Guide NOTES: © 2006 Microchip Technology Inc. DS51505B-page 18...

  • Page 23: Appendix B. Bill Of Materials (Bom)

    MCP1630 NiMH BATTERY CHARGER DEMO BOARD USER’S GUIDE Appendix B. Bill Of Materials (BOM) TABLE B-1: BILL OF MATERIALS (BOM) Reference Description Manufacturer Part Number C1, C2, C4, “Do Not Populate” DNP0603 — — C10, C13, C22 ® C3, C5, C6, CAP .10UF 10V CERAMIC X7R 0603...
  • Page 24 MCP1630 NiMH Battery Charger Demo Board User’s Guide TABLE B-1: BILL OF MATERIALS (BOM) (CONTINUED) Reference Description Manufacturer Part Number RES .15 OHM 1/8W 5% 0805 SMD Panasonic - ECG ERJ-6RSJR15V RES 4.3K OHM 1/16W .5% 0603 SMD Susumu Co Ltd...

  • Page 25: Appendix C. Evaluation Board Firmware

    MCP1630 NiMH BATTERY CHARGER DEMO BOARD USER’S GUIDE Appendix C. Evaluation Board Firmware DEVICE FIRMWARE For the latest version of the MCP1630 NiMH Battery Charger Demo Board User’s Guide firmware, visit the Microchip web site at www.microchip.com. Power-Up Initialize: Ports, Clocks, A/D,...
  • Page 26 BSy C/40 Rate Is Input Is Input Present? Present? In Over- voltage? Recharge? Timer Expired? Charge Complete: Flash GREEN LED, C/40 Rate Is Input Present? Recharge? Timer Expired? FIGURE C-2: Firmware Flowchart - Page 2. © 2006 Microchip Technology Inc. DS51505B-page 22...
  • Page 27 Evaluation Board Firmware NOTES: © 2006 Microchip Technology Inc. DS51505B-page 23...

  • Page 28: Worldwide Sales And Service

    Fax: 949-462-9608 Tel: 886-2-2500-6610 Fax: 86-29-8833-7256 San Jose Fax: 886-2-2508-0102 Mountain View, CA Thailand - Bangkok Tel: 650-215-1444 Tel: 66-2-694-1351 Fax: 650-961-0286 Fax: 66-2-694-1350 Toronto Mississauga, Ontario, Canada Tel: 905-673-0699 Fax: 905-673-6509 02/16/06 © 2006 Microchip Technology Inc. DS51505B-page 24...
  • Page 29 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: Microchip MCP1630DM-NMC1...

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