Personal Computer - Word Processor User Manual
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
Frees
cale Semiconductor,
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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