Microchip Technology MCP19035 User Manual

Microchip Technology MCP19035 User Manual

Power module 8a
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MCP19035
Power Module 8A
Reference Design
User's Guide
 2019 Microchip Technology Inc.
DS50002840A

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Summary of Contents for Microchip Technology MCP19035

  • Page 1 MCP19035 Power Module 8A Reference Design User’s Guide  2019 Microchip Technology Inc. DS50002840A...
  • Page 2 WiperLock, Wireless DNA, 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 Microchip received ISO/TS-16949:2009 certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and the U.S.A.
  • Page 3: Table Of Contents

    1.1 Introduction ..................... 7 1.2 MCP19035 Overview ..................7 1.3 What is the MCP19035 Power Module 8A Reference Design? ..... 8 1.4 What the MCP19035 Power Module 8A Reference Design Kit Contains ..8 Chapter 2. Installation and Operation 2.1 Introduction ..................... 9 2.2 Getting Started ....................
  • Page 4: Preface

    Customer Support • Document Revision History DOCUMENT LAYOUT This document describes how to use the MCP19035 Power Module 8A Reference Design as a development tool to emulate and debug firmware on a target board. The manual layout is as follows: •...
  • Page 5: Conventions Used In This Guide

    Curly brackets and pipe Choice of mutually exclusive errorlevel {0|1} character: { | } arguments; an OR selection Ellipses... Replaces repeated text var_name [, var_name...] Represents code supplied by void main (void) user { ...  2019 Microchip Technology Inc. DS50002840A-page 5...
  • Page 6: Recommended Reading

    Preface RECOMMENDED READING This user’s guide describes how to use the MCP19035 Power Module 8A Reference Design. 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”...
  • Page 7: Chapter 1. Product Overview

    MCP19035 POWER MODULE 8A REFERENCE DESIGN USER’S GUIDE Chapter 1. Product Overview INTRODUCTION This chapter provides an overview of the MCP19035 Power Module 8A Reference Design and covers the following topics: • MCP19035 Overview • What is the MCP19035 Power Module 8A Reference Design? •...
  • Page 8: What Is The Mcp19035 Power Module 8A Reference Design

    WHAT IS THE MCP19035 POWER MODULE 8A REFERENCE DESIGN? The MCP19035 Power Module 8A Reference Design is a compact, highly efficient, step-down voltage circuit that will convert the input voltage rail (typically 12V) to 5V reg- ulated output voltage. The maximum output current for this step-down converter is 8A.
  • Page 9: Chapter 2. Installation And Operation

    • Shutdown Input for Placing the Converter in Low-Power Standby Mode • Under Voltage Lockout (UVLO) with 4.5V and 3.9V (typical) Thresholds GETTING STARTED The MCP19035 Power Module 8A Reference Design is fully assembled and tested to evaluate and demonstrate the MCP19035 capabilities. 2.2.1 Necessary Instruments and Tools •...
  • Page 10 The user also has two ways to connect the R4 to the circuit. First is to mount the resistor on the silk footprint on the board, and the second is to connect the R4 to the pins. FIGURE 2-1: Schematic. FIGURE 2-2: 3D View of the Board.  2019 Microchip Technology Inc. DS50002840A-page 10...
  • Page 11 2.2.5 Testing Procedure In the testing procedure, measurements are made on a testing board to help get better results, as the parameters are at 12V voltage on input and 8A current on output.  2019 Microchip Technology Inc. DS50002840A-page 11...
  • Page 12: Appendix A. Schematic And Layouts

    MCP19035 POWER MODULE 8A REFERENCE DESIGN USER’S GUIDE Appendix A. Schematic and Layouts INTRODUCTION This appendix contains the following schematics and layouts for the MCP19035 Power Module 8A Reference Design - ADM00995: • Board – Schematic • Board – Top Silk •...
  • Page 13: Board - Schematic

    BOARD – SCHEMATIC 4.7uF 4.7uF HDR-2 Male 2x5 100k 5,6,7,8 MCP87055T 100k 0.33uF 1,2,3 2.2uH XAL7070-222MEC 5,6,7,8 MCP87055T 1,2,3 22uF 22uF MCP19035-BAABE/MF 0603 1206 1206 0603 2.7k 0402 5600pF 47pF 2.7k 750R 680pF 0402...
  • Page 14: Board - Top Silk

    Schematic and Layouts BOARD – TOP SILK BOARD – TOP COPPER AND SILK BOARD – TOP COPPER  2019 Microchip Technology Inc. DS50002840A-page 14...
  • Page 15: Board - Bottom Copper

    Schematic and Layouts BOARD – BOTTOM COPPER BOARD – BOTTOM COPPER AND SILK BOARD – BOTTOM SILK  2019 Microchip Technology Inc. DS50002840A-page 15...
  • Page 16: Appendix B. Bill Of Materials (Bom)

    Microchip Analog PWM Controller, 600 kHz, Microchip Technology MCP19035-BAABE/MF MCP19035-BAABE/MF DFN-10 Inc. Note 1: The components listed in this Bill of Materials are representative of the PCB assembly. The released BOM used in manufacturing uses all RoHS-compliant components.  2019 Microchip Technology Inc. DS50002840A-page 16...
  • Page 17: Appendix C. Reference Design Waveforms

    8A REFERENCE DESIGN USER’S GUIDE Appendix C. Reference Design Waveforms TYPICAL PERFORMANCE DATA, CURVES AND WAVEFORMS This chapter shows some of the typical performance parameters and curves of the MCP19035 Power Module 8A Reference Design. TABLE C-1: CONVERTER PARAMETERS Parameter Value...
  • Page 18 MCP19035 Power Module 8A Reference Design User’s Guide FIGURE C-2: Load Regulation (V = 12V). FIGURE C-3: Output Voltage Ripple/Noise (V = 12V, I = 8A, BW = 20MHz).  2019 Microchip Technology Inc. DS50002840A-page 18...
  • Page 19 MCP19035 Power Module 8A Reference Design User’s Guide FIGURE C-4: Input Voltage Ripple/Noise (V = 12V, I = 8A, BW = 20MHz). FIGURE C-5: Step Load (V =12V, I = 0A to 8A).  2019 Microchip Technology Inc. DS50002840A-page 19...
  • Page 20: Worldwide Sales And Service

    New York, NY Tel: 46-31-704-60-40 Tel: 631-435-6000 Sweden - Stockholm San Jose, CA Tel: 46-8-5090-4654 Tel: 408-735-9110 UK - Wokingham Tel: 408-436-4270 Tel: 44-118-921-5800 Canada - Toronto Fax: 44-118-921-5820 Tel: 905-695-1980 Fax: 905-695-2078  2019 Microchip Technology Inc. DS50002840A-page 20 08/15/18...

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