A3984LP View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
MFG CO.
'A3984LP' PDF : 12 Pages View PDF
A3984
DMOS Microstepping Driver with Translator
Table 2. Step Sequencing Settings
Home microstep position at Step Angle 45º; DIR = H
Full
Step
#
1
2
Half
Step
#
1
2
3
4
1/4
Step
#
1
2
3
4
5
6
7
8
1/16
Step
#
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Phase 1
Current
[% ItripMax]
(%)
100.00
Phase 2
Current
[% ItripMax]
(%)
0.00
99.52
9.80
98.08
19.51
95.69
29.03
92.39
38.27
88.19
47.14
83.15
55.56
77.30
63.44
70.71
70.71
63.44
77.30
55.56
83.15
47.14
88.19
38.27
92.39
29.03
95.69
19.51
98.08
9.80
99.52
0.00
100.00
–9.80
99.52
–19.51 98.08
–29.03 95.69
–38.27 92.39
–47.14 88.19
–55.56 83.15
–63.44 77.30
–70.71 70.71
–77.30 63.44
–83.15 55.56
–88.19 47.14
–92.39 38.27
–95.69 29.03
–98.08 19.51
–99.52
9.80
Step
Angle
(º)
0.0
5.6
11.3
16.9
22.5
28.1
33.8
39.4
45.0
50.6
56.3
61.9
67.5
73.1
78.8
84.4
90.0
95.6
101.3
106.9
112.5
118.1
123.8
129.4
135.0
140.6
146.3
151.9
157.5
163.1
168.8
174.4
Full
Step
#
3
4
Half
Step
#
5
6
7
8
1/4
Step
#
9
10
11
12
13
14
15
16
1/16
Step
#
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
Phase 1
Current
[% ItripMax]
(%)
–100.00
Phase 2
Current
[% ItripMax]
(%)
0.00
–99.52 –9.80
–98.08 –19.51
–95.69 –29.03
–92.39 –38.27
–88.19 –47.14
–83.15 –55.56
–77.30 –63.44
–70.71 –70.71
–63.44 –77.30
–55.56 –83.15
–47.14 –88.19
–38.27 –92.39
–29.03 –95.69
–19.51 –98.08
–9.80 –99.52
0.00 –100.00
9.80
–99.52
19.51 –98.08
29.03 –95.69
38.27 –92.39
47.14 –88.19
55.56 –83.15
63.44 –77.30
70.71 –70.71
77.30 –63.44
83.15 –55.56
88.19 –47.14
92.39 –38.27
95.69 –29.03
98.08 –19.51
99.52
–9.80
Step
Angle
(º)
180.0
185.6
191.3
196.9
202.5
208.1
213.8
219.4
225.0
230.6
236.3
241.9
247.5
253.1
258.8
264.4
270.0
275.6
281.3
286.9
292.5
298.1
303.8
309.4
315.0
320.6
326.3
331.9
337.5
343.1
348.8
354.4
Allegro MicroSystems, Inc.
10
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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