User manual

MTD6505 3-PHASE BLDC
SENSORLESS FAN CONTROLLER
DEMO BOARD USER’S GUIDE
© 2011 Microchip Technology Inc. DS52009A-page 3
Table of Contents
Preface ........................................................................................................................... 5
Introduction............................................................................................................ 5
Document Layout .................................................................................................. 5
Conventions Used in this Guide ............................................................................ 6
Recommended Reading........................................................................................ 7
The Microchip Web Site ........................................................................................ 7
Customer Support ................................................................................................. 7
Document Revision History ................................................................................... 7
Chapter 1. Product Overview
1.1 Introduction ..................................................................................................... 9
1.2 MTD6505 3-Phase BLDC Sensorless Fan Controller
Demonstration Board Hardware Description .......................................... 10
1.3 What the MTD6505 3-Phase BLDC Sensorless Fan Controller
Demonstration Board Kit Includes .......................................................... 10
Chapter 2. Installation and Operation
2.1 Getting Started ............................................................................................. 11
2.1.1 Software Installation .................................................................................. 11
2.1.2 Board Installation ....................................................................................... 11
2.2 MTD6505 3-Phase BLDC Sensorless Fan Controller Demonstration Board
Software Description .............................................................................. 13
2.2.1 Controlling and Monitoring Tab ................................................................. 13
2.2.2 Measurement Tab ..................................................................................... 15
2.3 How to Define the Correct R
PROG
Value ...................................................... 18
2.3.1 Operation ................................................................................................... 18
Appendix A. Schematics and Layouts
A.1 Introduction .................................................................................................. 19
A.2 Board – Schematic: Power Management Part and Resistor for
Programming Part .................................................................................. 20
A.3 Board – Schematic: Direction Pin Management Part, PIC Reserves Part,
and MTD6505 Voltage and Current Monitoring Part .............................. 21
A.4 Board – Schematic: PIC24FJ256GB106 Part .............................................. 22
A.5 Board – Schematic: IC Part/MTD6505 Plug-in Module Socket Part,
USB Connection Part, LED Part, and Reset Switch Part ....................... 23
A.6 Board – Top Silk and Pads .......................................................................... 24
A.7 Board – Top Trace and Pads ....................................................................... 25
A.8 Board – Bottom Trace and Pads .................................................................. 26
Appendix B. Bill of Materials
Worldwide Sales and Service .................................................................................... 30