Microchip Technology AC164133 User Manuals

Table of Contents

• Preface

  5
• Chapter 1. Introduction

  11
  • 1.1 Overview

    11
    • Figure 1-1: Daughter Board Block Diagram

      12
    • Figure 1-2: 16-bit 28-pin starter development board with Daughter Board

      13
    • Figure 1-3: Explorer 16 Development board with Daughter Board

      14
  • 1.2 Features

    15
    • 1.2.1 Power Stages

      15
    • 1.2.2 Additional Features

      15
    • 1.2.3 Daughter Board Power

      15
  • 1.3 Product Package

    15
• Chapter 2. Hardware Overview

  17
  • 2.1 Daughter Board Connectors

    17
    • Figure 2-1: Buck/Boost Converter PICtail™ Plus Daughter Board

      17
  • 2.2 Daughter Board User Hardware Interface

    18
    • Figure 2-2: Buck/Boost Converter PICtail™ Plus Daughter Board Hardware Elements

      18
    • 2.2.1 Auxiliary Input Power Connector

      18
    • 2.2.2 PMBus Interface Connector J3

      18
    • 2.2.3 16-bit 28-pin Starter Development Board Connector J2

      19
      • Table 2-1: Signal and Power Connection for 16-bit 28-pin Starter Development Board (J2)

        19
    • 2.2.4 Explorer 16 Development Board Connector J1

      20
      • Table 2-2: Signal and Power Connection for The Explorer 16 Development Board (J1)

        20
    • 2.2.5 VOUT1 J4 (Buck1+)

      21
    • 2.2.6 VOUT2 J5 (Buck2+)

      21
    • 2.2.7 VOUT3 J8 (Boost)

      21
    • 2.2.8 Jumpers

      21
      • Table 2-3: Jumpers

        21
    • 2.2.9 Potentiometer and LED

      21
      • Table 2-4: PotentiometeRS and LED

        21
    • 2.2.10 Test Points

      22
      • Table 2-5: PWM Test Points

        22
      • Table 2-6: Feedback Signal Test Points

        22
      • Table 2-7: Power Test Points

        22
  • 2.3 Using the Daughter Board with the Explorer 16 Development Board

    23
    • Figure 2-3: Daughter Board Connected to the Explorer 16 Development Board

      23
  • 2.4 Using the Daughter Board with the 16-bit 28-pin Starter Development Board

    24
    • Figure 2-4: 16-Bit 28-Pin Starter Development Board

      24
    • Figure 2-5: Daughter Board Hardware connected to a 16-bit 28-pin Starter Development Board

      25
    • 2.4.1 16-bit 28-pin Starter Development Board Controls Buck 1 and Buck 2 Stages (Default Jumper Configuration)

      25
    • 2.4.2 16-bit 28-pin Starter Development Board Controls Buck 1 and Boost Stages

      25
      • Figure 2-6: Feedback Jumpers

        26
      • 2.4.2.1 Hardware

        26
      • 2.4.2.2 Software

        26
  • 2.5 Power Rating of Converter Stage

    27
    • 2.5.1 Buck 1 Converter

      27
    • 2.5.2 Buck 2 Converter

      27
    • 2.5.3 Boost Converter

      27
• Chapter 3. Getting Started

  29
  • 3.1 Overview

    29
  • 3.2 Creating the Project

    30
    • 3.2.1 Creating the Project

      30
      • 3.2.1.1 Project Wizard Step One – Selecting the Device

        31
        • Figure 3-1: Select a Device

          31
      • 3.2.1.2 Project Wizard Step Two – Selecting the Language Toolsuite

        32
        • Figure 3-2: Select Language Toolsuite

          32
      • 3.2.1.3 Project Wizard Step Three – Name Your Project

        33
        • Figure 3-3: Name Your Project

          33
      • 3.2.1.4 Project Wizard Step Four – Add Files to your Project

        34
        • Figure 3-4: Add Files to Project

          34
      • 3.2.1.5 Project Summary

        35
        • Figure 3-5: Summary Dialog

          35
      • 3.2.1.6 Viewing the Project

        36
        • Figure 3-6: Open Project File

          36
        • Figure 3-7: MPLAB® IDE PROJECT WINDOW

          37
        • Figure 3-8: MPLAB® IDE Workspace Window

          38
  • 3.3 Building the Code

    38
    • 3.3.1 Building the Code

      39
      • Figure 3-9: Build Options

        39
    • 3.3.2 Linking the ICD 2 for Debugging

      39
      • Figure 3-10: Link Project for MPLAB® ICD 2

        40
    • 3.3.3 Building the Project

      40
      • Figure 3-11: DUALBUCK MPLAB® IDE Screen

        40
      • Figure 3-12: Build Output Window

        41
  • 3.4 Programming the Device

    42
    • 3.4.1 Setting up the Device Configuration

      42
      • Figure 3-13: Configuration Menu

        42
      • Figure 3-14: Configuration Settings

        42
    • 3.4.2 Connecting the MPLAB ICD 2 In-Circuit Debugger

      43
      • Figure 3-15: Daughter Board CONNECTED TO MPLAB® ICD 2 IN-CIRCUIT DEBUGGER

        43
    • 3.4.3 Enabling the MPLAB ICD 2 Connection

      44
      • Figure 3-16: Selecting the Debugger

        44
      • Figure 3-17: Enabling MPLAB® ICD 2

        45
      • Figure 3-18: Setting Program Memory Size

        46
    • 3.4.4 Programming the dsPIC33FJ16GS502 Device

      47
      • Figure 3-19: Programming the dsPIC33FJ16GS502 Device

        47
  • 3.5 Debugging the Code

    48
    • 3.5.1 Displaying the Code

      48
      • Figure 3-20: Program Memory Window

        48
    • 3.5.2 Stepping the Program

      49
      • Figure 3-21: Source Code Window

        49
      • Figure 3-22: Watch Window

        50
    • 3.5.3 Setting the Breakpoint

      50
      • Figure 3-23: Setting Breakpoint

        51
• Chapter 4. Demonstration Program Operation

  53
  • 4.1 Program Demonstration

    53
    • Figure 4-1: SMPS Demonstration Program Flow Chart

      54
  • 4.2 Code Demonstration

    55
    • 4.2.1 System Initialization

      55
    • 4.2.2 Fault Check

      55
    • 4.2.3 Soft Start

      55
    • 4.2.4 ADC Interrupt

      55
    • 4.2.5 System Idle Loop

      55
  • 4.3 Other Code Examples

    55
    • Figure 1-1: Board Layout

      57
    • Figure 1-2: Daughter Board Schematic 1 of 5

      58
    • Figure 1-3: Daughter Board Schematic 2 of 5

      59
    • Figure 1-4: Daughter Board Schematic 3 of 5

      60
    • Figure 1-5: Daughter Board Schematic 4 of 5

      61
    • Figure 1-6: Daughter Board Schematic 5 of 5

      62
• Index

  63
• Worldwide Sales and Service

  64