MC33035 Motorola, MC33035 Datasheet - Page 16

• Manufacturer Part Number: MC33035
• Description: BRUSHLESS DC MOTOR CONTROLLER
• Manufacturer: Motorola

16
Sensor Inputs
Sensor Inputs
Bottom Drive
Power Switch
Motor Drive
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
C
C
S
S
C
A
B
B
T
T
B
B
O
O
O
C
T
B
+
–
+
–
+
–
A
Figure 37. Three Phase, Six Step, Full Wave Commutation Waveforms
0
Q
100
1
100
+ Q
6
60
Q
2
110
110
+ Q
6
120
Full Speed (No PWM)
Q
111
010
2
+ Q
4
180
Q
3
011
011
MC33035
+ Q
4
240
Rotor Electrical Position (Degrees)
Q
001
001
3
+ Q
5
300
Q
101
1
000
+ Q
Fwd/Rev = 1
5
360
Q
100
100
1
+ Q
6
420
MOTOROLA ANALOG IC DEVICE DATA
Q
110
110
2
+ Q
Reduced Speed ( 50% PWM)
6
480
Q
111
2
010
+ Q
4
540
Q
011
011
3
+ Q
4
600
Q
001
001
3
+ Q
5
660
Q
101
1
000
+ Q
5
720