STK672-080 Datasheet, PDF (10/17 Pages) Sanyo Semicon Device – Stepping Motor Driver (Sine Wave Drive) Output Current : 2.8 A (No Heat Sink)

STK672-080
Phase States During Excitation Switching
• Excitation phases before and after excitation mode switching <clockwise direction>
2W1-2 phase → 2 phase
A
01
25
B 24
28 ₄
20 ₁₂
8B
9
17 ₁₆
A
W1-2 phase → 2 phase
30
28
A
02
26
B 24
28 ₄
22
20 ₁₂
4
6
8B
10
20
18 ₁₆
A
12
14
1-2 phase → 2 phase
A
0
28
4
B ²⁴
28 ⁴
20 12
8B
20
12
16
A
2 phase → 1-2 phase
A
0
B ²⁴
28 4
20 12
8B
16
A
2W1-2 phase → 1-2 phase
31 ^A
3
28
4
27
B 24
28
0
4
24
8
20 12
16
5
8B
11
20
12
19 _{16 15}
A
W1-2 phase → 1-2 phase
28
26
B 24
22
A
30 ⁰ ₂
4
28
0
4
24
8
20 12
16
6
8B
10
20
18 ₁₆
12
14
A
1-2 phase → W1-2 phase
A
30
2
26
B
22
28 ^{0 4}
20 12
16
6
B
10
18
14
A
2 phase → W1-2 phase
A
30
B
22
28
4
20 12
6
B
14
A
2W1-2 phase → W1-2 phase
A
30 ³¹
29
0 1 ₂₃
28
4
27
5
26
25
B 24
30
28
26
0
2
4
6
24
6
7
23
22
22
20
1816
8
10
1412
8B
9
10
21
11
20
12
1918 _{17 16151413}
A
W1-2 phase → 2W1-2 phase
31
29
27
A
1
3
5
25
B
23
2830
26
24
0
2
4
6
22
8
20
10
1816 ₁₄₁₂
7
B
9
21
11
19
17
13
15
A
1-2 phase → 2W1-2 phase
A
29
1
25
B
21
28 ⁰ ₄
24
20
16
12
8
5
B
9
13
17
A
2 phase → 2W1-2 phase
A
29
5
28 4
B
B
20 12
21
13
17
A
Excitation phase according to the first clock input pulse after changing the excitation mode setting (M1 to M2)
Excitation phase immediately before setting the excitation mode
A13266
No. 6507-10/17