A4985SLPTR-T View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
MFG CO.
A4985SLPTR-T
Allegro MicroSystems
'A4985SLPTR-T' PDF : 22 Pages View PDF
A4985
DMOS Microstepping Driver with Translator
And Overcurrent Protection
Table 2. Step Sequencing Settings
Home microstep position at Step Angle 45º; DIR = H
Full
Step
#
1
2
3
4
Half
Step
#
1
2
3
4
5
6
7
8
1/4
Step
#
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1/8
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
98.08
19.51
92.39
38.27
83.15
55.56
70.71
70.71
55.56
83.15
38.27
92.39
19.51
98.08
0.00
100.00
–19.51 98.08
–38.27 92.39
–55.56 83.15
–70.71 70.71
–83.15 55.56
–92.39 38.27
–98.08 19.51
–100.00 0.00
–98.08 –19.51
–92.39 –38.27
–83.15 –55.56
–70.71 –70.71
–55.56 –83.15
–38.27 –92.39
–19.51 –98.08
0.00 –100.00
19.51 –98.08
38.27 –92.39
55.56 –83.15
70.71 –70.71
83.15 –55.56
92.39 –38.27
98.08 –19.51
Step
Angle
(º)
0.0
11.3
22.5
33.8
45.0
56.3
67.5
78.8
90.0
101.3
112.5
123.8
135.0
146.3
157.5
168.8
180.0
191.3
202.5
213.8
225.0
236.3
247.5
258.8
270.0
281.3
292.5
303.8
315.0
326.3
337.5
348.8
Allegro MicroSystems, Inc.
17
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
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