参数资料
型号: A3977SLPTR-T
厂商: Allegro Microsystems Inc
文件页数: 11/19页
文件大小: 0K
描述: IC MOTOR DRVR PWM DUAL 28TSSOP
标准包装: 1
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: 标准包装
产品目录页面: 1140 (CN2011-ZH PDF)
其它名称: 620-1147-6
A3977
Microstepping DMOS Driver with Translator
Table 2. Step Sequencing
(DIR = L)
Phase 2
Phase 1
Full
Step #
Half
Step #
1
Quarter
Step #
1
Eighth
Step #
1
Current
[%I trip max]
0.00
Current
[%I trip max]
100.00
Step
Angle
0
2
19.51
98.08
11.25
2
3
4
38.27
55.56
92.39
83.15
22.50
33.75
1
2
3
5
70.71
70.71
45*
6
83.15
55.56
56.25
4
7
8
92.39
98.08
38.27
19.51
67.50
78.75
3
5
6
9
10
11
12
100.00
98.08
92.39
83.15
0.00
-19.51
-38.27
-55.56
90
101.25
112.50
123.75
2
4
7
13
70.71
-70.71
135
14
55.56
-83.15
146.25
8
15
16
38.27
19.51
-92.39
-98.08
157.50
168.75
5
9
10
17
18
19
20
0.00
-19.51
-38.27
-55.56
-100.00
-98.08
-92.39
-83.15
180
191.25
202.50
213.75
3
6
11
21
-70.71
-70.71
225
22
-83.15
-55.56
236.25
12
23
24
-92.39
-98.08
-38.27
-19.51
247.50
258.75
7
13
14
25
26
27
28
-100.00
-98.08
-92.39
-83.15
0.00
19.51
38.27
55.56
270
281.25
292.50
303.75
4
8
15
29
-70.71
70.71
315
30
-55.56
83.15
326.25
16
31
32
-38.27
-19.51
92.39
98.08
337.50
348.75
* Home state; HOME output low.
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
11
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