stk672-050-e ON Semiconductor, stk672-050-e Datasheet - Page 15

• Manufacturer Part Number: stk672-050-e
• Description: Thick-film Hybrid Ic Unipolar Constant-current Chopper External Excitation Pwm Circuit With Built-in Microstepping Controller Stepping Motor Driver Sine Wave Drive Output Current 3.0a No Heat Sink*
• Manufacturer: ON Semiconductor

• CLK rising and falling edge operation
2W1-2 Phase Excitation Timing Chart (M3 = 0)
1-2 Phase Excitation Timing Chart (M3 = 0)
RESET
RESET
Vref A
Vref B
Vref A
Vref B
CWB
CWB
MO1
MO2
MO1
MO2
CLK
CLK
MOI
MOI
M1
M2
M3
M1
M2
M3
100%
100%
100%
100%
92%
83%
71%
55%
40%
20%
92%
83%
71%
55%
40%
20%
71%
71%
A
A
B
B
A
A
B
B
0
0
0
1
0
0
0
STK672-050-E
W1-2 Phase Excitation Timing Chart (M3 = 0)
RESET
4W1-2 Phase Excitation Timing Chart (M3 = 0)
RESET
Vref A
Vref B
Vref A
Vref B
97%
88%
77%
14%
97%
88%
77%
14%
CWB
CWB
MO1
MO2
MO1
MO2
CLK
MOI
CLK
MOI
M1
M2
M3
100%
100%
M1
M2
M3
100%
100%
92%
71%
40%
92%
71%
40%
92%
83%
71%
65%
55%
48%
40%
31%
20%
92%
83%
71%
65%
55%
48%
40%
31%
20%
A
A
B
B
A
A
B
B
0
0
0
0
1
0
0
1
1
No.5228-15/19
ITF02401