A3980 Allegro MicroSystems, Inc., A3980 Datasheet - Page 6

• Manufacturer Part Number: A3980
• Description: Automotive DMOS Microstepping Driver with Translator
• Manufacturer: Allegro MicroSystems, Inc.

Table 3. Step Sequencing Settings
Home microstep position at Step Angle 45º; DIR = H
Step
Full
#
1
2
Step
Half
#
1
2
3
4
Step
1/8
10
12
13
14
15
16
11
#
1
2
3
4
5
6
7
8
9
Step
1/16
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
11
#
1
2
3
4
5
6
7
8
9
Automotive DMOS Microstepping Driver with Translator
[% I tripMax ]
Phase 1
Current
100.00
–19.51
–29.03
–38.27
–47.14
–55.56
–63.44
–70.71
–77.30
–83.15
–88.19
–92.39
–95.69
–98.08
–99.52
99.52
98.08
95.69
92.39
88.19
83.15
77.30
70.71
63.44
55.56
47.14
38.27
29.03
19.51
–9.80
9.80
0.00
(%)
[% I tripMax ]
Phase 2
Current
100.00
19.51
29.03
38.27
47.14
55.56
63.44
70.71
77.30
83.15
88.19
92.39
95.69
98.08
99.52
99.52
98.08
95.69
92.39
88.19
83.15
77.30
70.71
63.44
55.56
47.14
38.27
29.03
19.51
0.00
9.80
9.80
(%)
Angle
101.3
106.9
123.8
129.4
135.0
140.6
146.3
151.9
157.5
163.1
168.8
174.4
112.5
118.1
Step
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
www.allegromicro.com
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 [phone]
0.0
5.6
(º)
Step
Full
#
3
4
Step
Half
#
5
6
7
8
Step
1/8
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
#
Step
1/16
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
#
[% I tripMax ]
Phase 1
Current
–100.00
–99.52
–98.08
–95.69
–92.39
–88.19
–83.15
–77.30
–70.71
–63.44
–55.56
–47.14
–38.27
–29.03
–19.51
–9.80
19.51
29.03
38.27
47.14
55.56
63.44
70.71
77.30
83.15
88.19
92.39
95.69
98.08
99.52
0.00
9.80
(%)
[% I tripMax ]
Phase 2
Current
–100.00
–19.51
–29.03
–38.27
–47.14
–55.56
–63.44
–70.71
–77.30
–83.15
–88.19
–92.39
–95.69
–98.08
–99.52
–99.52
–98.08
–95.69
–92.39
–88.19
–83.15
–77.30
–70.71
–63.44
–55.56
–47.14
–38.27
–29.03
–19.51
–9.80
–9.80
0.00
(%)
A3980
Angle
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
Step
(º)
6