MC33033_07 ONSEMI [ON Semiconductor], MC33033_07 Datasheet - Page 17

• Manufacturer Part Number: MC33033_07
• Description: Brushless DC Motor Controller
• Manufacturer: ONSEMI [ON Semiconductor]

Sensor Inputs
Sensor Inputs
Bottom Drive
Motor Drive
Power Switch
Conducting
Transistors
Select Pin
Select Pin
Grounded
Top Drive
Current
60°/120°
60°/120°
Outputs
Outputs
Open
A
B
C
Code
Code
S
S
S
S
A
B
A
B
S
C
C
S
C
A
B
B
T
C
T
B
B
B
T
−
+
−
A
+
O
+
−
O
O
Figure 36. Three Phase, Six Step, Full Wave Commutation Waveforms
0
Q
1
100
100
+ Q
6
60
Q
110
2
110
+ Q
6
120
Full Speed (No PWM)
Q
010
111
2
+ Q
180
4
MC33033, NCV33033
Q
3
011
011
http://onsemi.com
+ Q
4
240
Rotor Electrical Position (Degrees)
Q
3
001
001
+ Q
17
5
300
Q
101
1
000
FWD/REV = 1
+ Q
5
360
Q
100
100
1
+ Q
420
6
Q
110
110
2
+ Q
Reduced Speed (≈ 50% PWM)
6
480
Q
111
010
2
+ Q
540
4
Q
011
011
3
+ Q
4
600
Q
001
001
3
+ Q
5
660
Q
101
000
1
+ Q
720
5