参数资料
型号: AMIS30621C6217G
厂商: ON Semiconductor
文件页数: 10/59页
文件大小: 0K
描述: IC MOTOR STEPPER DVR/CTLR 20SOIC
标准包装: 38
应用: PWM 电机驱动器,步进电机驱动器
评估套件: 可供
输出数: 1
电流 - 输出: 800mA
电压 - 负载: 6.5 V ~ 29 V
电源电压: 6.5 V ~ 29 V
工作温度: -40°C ~ 165°C
安装类型: 表面贴装
封装/外壳: 20-SOIC(0.295",7.50mm 宽)
供应商设备封装: 20-SOIC
包装: 管件
AMIS ? 30621
POSITIONING PARAMETERS
Stepping Modes
One of four possible stepping modes can be programmed:
? Half ? stepping
? 1/4 micro ? stepping
? 1/8 micro ? stepping
? 1/16 micro ? stepping
Maximum Velocity
For each stepping mode, the maximum velocity Vmax can
be programmed to 16 possible values given in the table
below.
The accuracy of Vmax is derived from the internal
oscillator. Under special circumstances it is possible to
change the V max parameter while a motion is ongoing. All
16 entries for the Vmax parameter are divided into four
groups. When changing Vmax during a motion the
application must take care that the new Vmax parameter
stays within the same group.
Table 7. MAXIMUM VELOCITY SELECTION TABLE
Vmax index
Stepping mode
Hex
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Dec
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Vmax
(full step/s)
99
136
167
197
213
228
243
273
303
334
364
395
456
546
729
973
Group
A
B
C
D
Half ? stepping
(half ? step/s)
197
273
334
395
425
456
486
546
607
668
729
790
912
1091
1457
1945
1/4 th
Micro ? stepping
(micro ? step/s)
395
546
668
790
851
912
973
1091
1213
1335
1457
1579
1823
2182
2914
3891
1/8 th
Micro ? stepping
(micro ? step/s)
790
1091
1335
1579
1701
1823
1945
2182
2426
2670
2914
3159
3647
4364
5829
7782
1/16 th
Micro ? stepping
(micro ? step/s)
1579
2182
2670
3159
3403
3647
3891
4364
4852
5341
5829
6317
7294
8728
11658
15564
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