参数资料
型号: A3979SLPTR
厂商: Allegro Microsystems Inc
文件页数: 12/15页
文件大小: 0K
描述: IC DRIVER MICROSTEPPING 28-TSSOP
标准包装: 4,000
应用: 步进电机驱动器
输出数: 1
电流 - 输出: ±2.5A
电压 - 负载: 8 V ~ 35 V
电源电压: 3 V ~ 5.5 V
工作温度: -20°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.173",4.40mm 宽)裸露焊盘
供应商设备封装: 28-TSSOP 裸露焊盘
包装: 带卷 (TR)
A3979
DMOS Microstepping Driver with Translator
Table 2. Step Sequencing Settings
Home microstep position at Step Angle 45o; DIR = H; 360° = 4 full steps
Full
Step
#
Half
Step
#
1
1/4
Step
#
1
1/16
Step
#
1
Phase 1
Current
[% ItripMax]
(%)
100.00
Phase 2
Current
[% ItripMax]
(%)
0.00
Step
Angle
(o)
0.0
Full
Step
#
Half
Step
#
5
1/4
Step
#
9
1/16
Step
#
33
Phase 1
Current
[% ItripMax]
(%)
–100.00
Phase 2
Current
[% ItripMax]
(%)
0.00
Step
Angle
(o)
180.0
2
3
4
99.52
98.08
95.69
9.80
19.51
29.03
5.6
11.3
16.9
34
35
36
–99.52
–98.08
–95.69
–9.80
–19.51
–29.03
185.6
191.3
196.9
2
5
6
7
8
92.39
88.19
83.15
77.30
38.27
47.14
55.56
63.44
22.5
28.1
33.8
39.4
10
37
38
39
40
–92.39
–88.19
–83.15
–77.30
–38.27
–47.14
–55.56
–63.44
202.5
208.1
213.8
219.4
1
2
3
9
70.71
70.71
45.0
3
6
11
41
–70.71
–70.71
225.0
10
11
12
63.44
55.56
47.14
77.30
83.15
88.19
50.6
56.3
61.9
42
43
44
–63.44
–55.56
–47.14
–77.30
–83.15
–88.19
230.6
236.3
241.9
4
13
14
15
16
38.27
29.03
19.51
9.80
92.39
95.69
98.08
99.52
67.5
73.1
78.8
84.4
12
45
46
47
48
–38.27
–29.03
–19.51
–9.80
–92.39
–95.69
–98.08
–99.52
247.5
253.1
258.8
264.4
3
5
17
0.00
100.00
90.0
7
13
49
0.00
–100.00
270.0
18
19
20
–9.80
–19.51
–29.03
99.52
98.08
95.69
95.6
101.3
106.9
50
51
52
9.80
19.51
29.03
–99.52
–98.08
–95.69
275.6
281.3
286.9
6
21
22
23
24
–38.27
–47.14
–55.56
–63.44
92.39
88.19
83.15
77.30
112.5
118.1
123.8
129.4
14
53
54
55
56
38.27
47.14
55.56
63.44
–92.39
–88.19
–83.15
–77.30
292.5
298.1
303.8
309.4
2
4
7
25
–70.71
70.71
135.0
4
8
15
57
70.71
–70.71
315.0
26
27
28
–77.30
–83.15
–88.19
63.44
55.56
47.14
140.6
146.3
151.9
58
59
60
77.30
83.15
88.19
–63.44
–55.56
–47.14
320.6
326.3
331.9
8
29
30
31
32
–92.39
–95.69
–98.08
–99.52
38.27
29.03
19.51
9.80
157.5
163.1
168.8
174.4
16
61
62
63
64
92.39
95.69
98.08
99.52
–38.27
–29.03
–19.51
–9.80
337.5
343.1
348.8
354.4
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
12
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
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