SKT672-040-E Datasheet, PDF (15/19 Pages) ON Semiconductor – Stepping Motor Driver

• CLK rising and falling edge operation
1-2 Phase Excitation Timing Chart (M3 = 0)
M1 ₀
M2 ₀
M3 ₀
RESET
CWB
CLK
A
A
B
B
MO1
MO2
MOI
100%
71%
Vref A
100%
71%
Vref B
STK672-040-E
W1-2 Phase Excitation Timing Chart (M3 = 0)
1
M1 ₀
M2 ₀
M3 ₀
RESET
CWB
CLK
A
A
B
B
MO1
MO2
MOI
100%
92%
71%
40%
Vref A
100%
92%
71%
40%
Vref B
2W1-2 Phase Excitation Timing Chart (M3 = 0)
M1 ₀
1
M2 ₀
M3 ₀
RESET
CWB
CLK
A
A
B
B
MO1
MO2
MOI
100%
92%
83%
71%
55%
40%
20%
Vref A
100%
92%
83%
71%
55%
40%
20%
Vref B
4W1-2 Phase Excitation Timing Chart (M3 = 0)
1
M1 ₀
1
M2 ₀
M3 ₀
RESET
CWB
CLK
A
A
B
B
MO1
MO2
MOI
798778%%%107980123%%%%
65%
55%
48%
40%
31%
20%
14%
Vref A
798778%%%107980123%%%%
65%
55%
48%
40%
31%
20%
14%
Vref B
ITF02377
No. 5227-15/19