System Description
3-Phase BLDC Motor Control, Rev. 1
2-2
Freescale Semiconductor
Preliminary
2.1 Application Description
A standard system concept is chosen for the drive; see
Figure 2-2
. The system incorporates the following
hardware:
•
9V DC Power Supply
•
56F8000 Motor Control Daughter Card (Part #APMOTOR56F8000)
•
Demostration board for MC56F8013 (Part #DEMO56F8013 or DEMO56F8013-E)
The 56F8013 runs the main control algorithm and generates 3-phase PWM output signals for a 3-phase
inverter according to the user interface and feedback signals.
Mechanical Time Constant
70.0
ms
Rotor Inertia
13.9
gcm
2
Terminal Inductance
Phase-to-Phase
1.070
mH
Thermal Resistance Housing
Ambient
6.8
K / W
Thermal Resistance
Winding-Housing
7.4
K / W
Thermal Time Constant
Windings
3.7
s
Thermal Time Constant
Stator
16.1
s
Table 2-1. Motor Information (Continued)
M1
Characteristic
Typical Value
Units
Содержание 56F8000
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