DRV8825 Datasheet, PDF (11/22 Pages) Texas Instruments – STEPPER MOTOR CONTROLLER IC

DRV8825
www.ti.com
SLVSA73C – APRIL 2010 – REVISED MAY 2011
Table 3. Relative Current and Step Directions (continued)
1/32 STEP 1/16 STEP 1/8 STEP 1/4 STEP 1/2 STEP
12
13
7
4
14
15
8
16
17
9
5
3
2
18
19
10
20
21
11
6
22
23
12
24
25
13
7
4
26
27
14
28
29
15
8
30
31
16
32
33
17
9
5
3
34
35
18
36
37
19
10
38
39
20
40
41
21
11
6
42
43
22
44
45
23
12
46
47
24
48
49
25
13
7
4
50
51
26
52
53
27
14
54
55
28
56
57
29
15
8
FULL
STEP
70%
1
2
WINDING
CURRENT
A
86%
83%
80%
77%
74%
71%
67%
63%
60%
56%
51%
47%
43%
38%
34%
29%
24%
20%
15%
10%
5%
0%
–5%
–10%
–15%
–20%
–24%
–29%
–34%
–38%
–43%
–47%
–51%
–56%
–60%
–63%
–67%
–71%
–74%
–77%
–80%
–83%
–86%
–88%
–90%
–92%
WINDING
CURRENT
B
51%
56%
60%
63%
67%
71%
74%
77%
80%
83%
86%
88%
90%
92%
94%
96%
97%
98%
99%
100%
100%
100%
100%
100%
99%
98%
97%
96%
94%
92%
90%
88%
86%
83%
80%
77%
74%
71%
67%
63%
60%
56%
51%
47%
43%
38%
ELECTRICAL
ANGLE
31
34
37
39
42
45
48
51
53
56
59
62
65
68
70
73
76
79
82
84
87
90
93
96
98
101
104
107
110
113
115
118
121
124
127
129
132
135
138
141
143
146
149
152
155
158
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11