stk672-070-e Sanyo Semiconductor Corporation, stk672-070-e Datasheet - Page 12

• Manufacturer Part Number: stk672-070-e
• Description: Unipolar Constant-current Chopper External Excitation Pwm Circuit With Built-in Microstepping Controller Stepping Motor Driver Sine Wave Drive Output Current 1.5a No Heat Sink*
• Manufacturer: Sanyo Semiconductor Corporation

Excitation Time and Timing Charts
• CLK rising edge operation
RESET
RESET
2 Phase Excitation Timing Chart (M3 = 1)
W1-2 Phase Excitation Timing Chart (M3 = 1)
CWB
Vref A
Vref B
CWB
Vref A
Vref B
CLK
MOI
CLK
MOI
MOI
M1
M2
M3
M1
M2
M3
100%
100%
100%
100%
71%
71%
92%
71%
40%
92%
71%
40%
A
A
B
B
A
A
B
B
0
0
1
0
0
1
0
1
0
STK672-070-E
RESET
RESET
1-2 Phase Excitation Timing Chart (M3 = 1)
2W1-2 Phase Excitation Timing Chart (M3 = 1)
CWB
Vref A
Vref B
CWB
Vref A
Vref B
CLK
CLK
MOI
MOI
MOI
M1
M2
M3
M1
M2
M3
100%
100%
100%
100%
71%
71%
92%
83%
71%
55%
40%
20%
92%
83%
71%
55%
40%
20%
A
A
B
B
A
A
B
B
1
0
0
1
0
1
0
1
0
1
0
No.7307-12/18
A13268