A3977(2013) Ver la hoja de datos (PDF) - Allegro MicroSystems
Número de pieza
componentes Descripción
Fabricante
A3977 Datasheet PDF : 19 Pages
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A3977
Microstepping DMOS Driver with Translator
Table 2. Step Sequencing
(DIR = L)
Full
Step #
1
2
3
4
Half
Step #
1
Quarter
Step #
1
2
2
3
4
3
5
6
4
7
8
5
9
10
6
11
12
7
13
14
8
15
16
* Home state; HOME output low.
Eighth
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 2
Current
[%Itripmax]
0.00
19.51
38.27
55.56
70.71
83.15
92.39
98.08
100.00
98.08
92.39
83.15
70.71
55.56
38.27
19.51
0.00
-19.51
-38.27
-55.56
-70.71
-83.15
-92.39
-98.08
-100.00
-98.08
-92.39
-83.15
-70.71
-55.56
-38.27
-19.51
Phase 1
Current
[%Itripmax]
100.00
98.08
92.39
83.15
70.71
55.56
38.27
19.51
0.00
-19.51
-38.27
-55.56
-70.71
-83.15
-92.39
-98.08
-100.00
-98.08
-92.39
-83.15
-70.71
-55.56
-38.27
-19.51
0.00
19.51
38.27
55.56
70.71
83.15
92.39
98.08
Step
Angle
0
11.25
22.50
33.75
45*
56.25
67.50
78.75
90
101.25
112.50
123.75
135
146.25
157.50
168.75
180
191.25
202.50
213.75
225
236.25
247.50
258.75
270
281.25
292.50
303.75
315
326.25
337.50
348.75
Allegro MicroSystems, LLC
11
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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