DRM028 — Rev 0
Designer Reference Manual
MOTOROLA
11
Designer Reference Manual — Sensorless BLDC Motor Control
List of Tables
Table
Title
Page
2-1
Software Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2-2
High Voltage Hardware Set Specifications . . . . . . . . . . . . . . . . 20
2-3
Low Voltage Evaluation Hardware Set Specifications . . . . . . . 21
2-4
Low Voltage Hardware Set Specifications . . . . . . . . . . . . . . . . 22
3-1
PC Master Software Communication Commands . . . . . . . . . . 51
3-2
PC Master Software API Variables. . . . . . . . . . . . . . . . . . . . . . 52
4-1
Electrical Characteristics of Control Board . . . . . . . . . . . . . . . . 66
4-2
Electrical Characteristics of Power Stage. . . . . . . . . . . . . . . . . 68
4-3
Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
4-4
Electrical Characteristics of the EVM Motor Board. . . . . . . . . . 71
4-5
Characteristics of the BLDC motor . . . . . . . . . . . . . . . . . . . . . . 71
4-6
Electrical Chatacteristics of the 3-Ph BLDC
Low Voltage Power Stage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
5-1
Software Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
6-1
Required Software Configuration
for Dedicated Hardware Platform . . . . . . . . . . . . . . . . . . . . . . 118
6-2
Start-up Period . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
6-3
PWM Frequency Setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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