STK672-080 Sanyo Semicon Device, STK672-080 Datasheet - Page 10

• Manufacturer Part Number: STK672-080
• Description: Stepping Motor Driver (Sine Wave Drive) Output Current : 2.8 A (No Heat Sink)
• Manufacturer: Sanyo Semicon Device

Phase States During Excitation Switching
• Excitation phases before and after excitation mode switching <clockwise direction>
B 24
B 24
B
B
25
24
24
22
26
2W1-2 phase
28
28
20
W1-2 phase
20
1-2 phase
2 phase
30
18
17
20
20
28
20
28
20
28
28
16
16
16
16
Excitation phase immediately before setting the excitation mode
A
A
A
A
A
0
A
0
A
0
A
0
1-2 phase
12
12
4
12
12
4
4
2 phase
4
2 phase
14
2
2 phase
1
12
4
4
12
10
6
9
8
8
Excitation phase according to the first clock input pulse after changing the excitation mode setting (M1 to M2)
8
8
B
B
B
B
B
B
B
B
24
24
22
26
22
22
26
27
2W1-2 phase
W1-2 phase
1-2 phase
28
20
28
20
2 phase
19
18
18
30
30
24
30
24
20
20
STK672-080
31
28
20
20
28
28 0 4
28 0 4
16
16
16
A
A
A
A
16
W1-2 phase
16
0
0
A
A
A
A
W1-2 phase
12
15
12
4
12
12
1-2 phase
14
1-2 phase
4
14
14
8
8
2
2
3
4
12
4
12
11
10
6
10
6
6
5
8
8
B
B
B
B
B 24
B
B
B
23
25
25
25
23
2W1-2 phase
26
22
W1-2 phase
27
1-2 phase
21
21
21
21
27
2 phase
28
20
19
29
29
19
29
29
30 31 0 1 2
18
31
24
22
17
24
22
24
26
26
20
20
20
28
18
28
18
17
28
20
28 0 4
17
17
16
30 0 2
30
16 14
A
A
A
16
A
2W1-2 phase
2W1-2 phase
16
14
0
A
A
A
A
2W1-2 phase
12
12
2
12
12
W1-2 phase
15
4
15
1
4
4
10
10
6
1
6
14
8
8
8
3
13
13
13
3
13
12
4
5
5
5
5
11
11
10
6
7
9
9
9
7
8
No. 6507-10/17
B
B
B
B
A13266