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参数资料
| 型号： | AMIS30621C6217G |
| 厂商： | ON Semiconductor |
| 文件页数： | 17/59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 |
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AMIS ? 30621
Position Periodicity
Depending on the stepping mode the position can range
from –4096 to +4095 in half ? step to –32768 to +32767 in
1/16 th micro ? stepping mode. One can project all these
positions lying on a circle. When executing the command
SetPosition, the position controller will set the
movement direction in such a way that the traveled distance
is minimal.
The figure below illustrates that the moving direction
going from ActPos = +30000 to TagPos = –30000 is
clockwise.
If a counter clockwise motion is required in this example,
several consecutive SetPosition commands can be
used.
Hardwired Address HW2
In the drawing below, a simplified schematic diagram is
shown of the HW2 comparator circuit.
The HW2 pin is sensed via 2 switches. The DriveHS and
DriveLS control lines are alternatively closing the top and
bottom switch connecting HW2 pin with a current to resistor
converter. Closing S TOP (DriveHS = 1) will sense a current
to GND. In that case the top I 3 R converter output is low,
via the closed passing switch S PASS_T this signal is fed to the
“R” comparator which output HW2_Cmp is high. Closing
bottom switch S BOT (DriveLS = 1) will sense a current to
VBAT. The corresponding I 3 R converter output is low and
via S PASS_B fed to the comparator. The output HW2_Cmp
will be high.
+10000
+20000
ActPos = +30000
0
? 10000
? 20000
Motion direction
TagPos = ? 30000
Figure 9. Motion Direction is Function of Difference
between ActPos and TagPos
S PASS_T
I → R
State
1 k W
S TOP
HW2
S BOT
DriveHS
DriveLS
LOGIC
High
Low
Float
1
2
3
‘‘R” ? Comp
1 = R2GND
2 = R2VBAT
3 = OPEN
I/R
S PASS_B
R th
Debouncer
COMP
32 m s
HW2_Cmp
Figure 10. Simplified Schematic Diagram of the HW2 Comparator
3 cases can be distinguished (see also Figure 10 above):
? HW2 is connected to ground: R2GND or drawing 1
? HW2 is connected to VBAT: R2VBAT or drawing 2
? HW2 is floating: OPEN or drawing 3
http://onsemi.com
17
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相关代理商/技术参数 |
参数描述 |
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| AMIS30621C6217RG | 功能描述:马达/运动/点火控制器和驱动器 LIN STEPPER DRIVER RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
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| AMIS30622C6223G | 功能描述:马达/运动/点火控制器和驱动器 I2C STEPPER DRIVER RoHS:否 制造商:STMicroelectronics 产品:Stepper Motor Controllers / Drivers 类型:2 Phase Stepper Motor Driver 工作电源电压:8 V to 45 V 电源电流:0.5 mA 工作温度:- 25 C to + 125 C 安装风格:SMD/SMT 封装 / 箱体:HTSSOP-28 封装:Tube |
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