Rev. 1.00
130
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Rev. 1.00
131
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HT66FM5440
Brushless DC Motor A/D Flash MCU
HT66FM5440
Brushless DC Motor A/D Flash MCU
S1 S� S3 S4 S5 S6
S1 S� S3 S4 S5 S6
HAT
S
A
S
B
Sc
Hall sensor: 1�0 degree Motor Forward
N S
Ha
Hb
Hc
�-pole
Motor
Motor
U
V
W
Moto HV
MAT
MBT
MCT
MAB
MBB
MCB
Power MOS
MBT
MBB
MCT
MCB
MAT
MAB
HT66FM5440 IR�101×3
HBT
HCT
HBB
HCB
HAB
Motor Drive Signal Timing Diagram – Forward Direction
S1 S� S3 S4 S5 S6
S1 S� S3 S4 S5 S6
S
A
S
B
Sc
Hall sensor: 1�0 degree Motor Backward
N S
Ha
Hb
Hc
�-pole
Motor
Motor
U
V
W
Moto HV
MAT
MBT
MCT
MAB
MBB
MCB
Power MOS
MBT
MBB
MCT
MCB
MAT
MAB
HT66FM5440 IR�101×3
HAT
HBT
HCT
HBB
HCB
HAB
Motor Drive Signal Timing Diagram – Backward Direction