DRV8846_15 Datasheet, PDF (14/35 Pages) Texas Instruments – DRV8846 Dual H-Bridge Stepper Motor Driver

DRV8846
SLLSEK2 – JUNE 2014
www.ti.com
1/32 STEP
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
1/16 STEP
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
Table 3. Relative Current and Step Directions (continued)
1/8 STEP
19
20
21
22
23
24
25
26
27
28
29
1/4 STEP
10
11
12
13
14
15
1/2 STEP
6
7
8
FULL STEP
70%
3
4
WINDING WINDING
CURRENT A CURRENT B
–97%
–24%
–96%
–29%
–94%
–34%
–92%
–38%
–90%
–43%
–88%
–47%
–86%
–51%
–83%
–56%
–80%
–60%
–77%
–63%
–74%
–67%
–71%
–71%
–67%
–74%
–63%
–77%
–60%
–80%
–56%
–83%
–51%
–86%
–47%
–88%
–43%
–90%
–38%
–92%
–34%
–94%
–29%
–96%
–24%
–97%
–20%
–98%
–15%
–99%
–10%
–100%
–5%
–100%
0%
–100%
5%
–100%
10%
–100%
15%
–99%
20%
–98%
24%
–97%
29%
–96%
34%
–94%
38%
–92%
43%
–90%
47%
–88%
51%
–86%
56%
–83%
60%
–80%
63%
–77%
67%
–74%
71%
–71%
74%
–67%
77%
–63%
80%
–60%
ELECTRICAL
ANGLE
194
197
200
203
205
208
211
214
217
219
222
225
228
231
233
236
239
242
245
248
250
253
256
259
262
264
267
270
273
276
278
281
284
287
290
293
295
298
301
304
307
309
312
315
318
321
323
14
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