Motorola M68HC08 User Manual

Page 7

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DRM028 — Rev 0

Designer Reference Manual

MOTOROLA

7

Designer Reference Manual — Sensorless BLDC Motor Control

Table of Contents

Section 1. Introduction

1.1

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

1.2

Application Functionality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

1.3

Benefits of the Solution. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Section 2. System Description

2.1

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2.2

System Concept . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

2.3

System Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Section 3. BLDC Motor Control

3.1

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

3.2

Brushless DC Motor Control Theory. . . . . . . . . . . . . . . . . . . . . 23

3.3

Used Control Technique . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

3.4

Application Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Section 4. Hardware Design

4.1

Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

4.2

System Configuration and Documentation . . . . . . . . . . . . . . . . 57

4.3

All HW Sets Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

4.4

High-Voltage Hardware Set Components. . . . . . . . . . . . . . . . . 66

4.5

Low-Voltage Evaluation Motor Hardware Set Components . . . 70

4.6

Low-Voltage Hardware Set Components . . . . . . . . . . . . . . . . . 72

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Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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