AN44067A Datasheet, PDF (12/18 Pages) Panasonic Semiconductor – Driver IC for stepping motor

AN44067A
„ Technical Data (continued)
2. Each phase current value (continued)
2) 1-2 phase, W1-2 phase, 2W1-2 phase DIR = High
Note) The definition of Phase A and B current 100%: (VREF × 0.1) / current detection resistance
1-2 phase
(8 step)
W1-2 phase
(16 step)
2W1-2 phase
(32 step)
Phase A current (%) Phase B current (%)
1
–19.5
–98.1
1
2
–38.3
–92.4
3
–55.6
–83.2
1
2
4
–70.7
–70.7
5
–83.2
–55.6
3
6
–92.4
–38.3
7
–98.1
–19.5
2
4
8
–100
0
9
–98.1
19.5
5
10
–92.4
38.3
11
–83.2
55.6
3
6
12
–70.7
70.7
13
–55.6
83.2
7
14
–38.3
92.4
15
–19.5
98.1
4
8
16
0
100
17
19.5
98.1
9
18
38.3
92.4
19
55.6
83.2
5
10
20
70.7
70.7
21
83.2
55.6
11
22
92.4
38.3
23
98.1
19.5
6
12
24
100
0
25
98.1
–19.5
13
26
92.4
–38.3
27
83.2
–55.6
7
14
28
70.7
–70.7
29
55.6
–83.2
15
30
38.3
–92.4
31
19.5
–98.1
8
16
32
0
–100
SDL00012BEB
12