参数资料
型号: US2881LUA-AAA-000-BU
厂商: Melexis Technologies NV
文件页数: 31/46页
文件大小: 498K
描述: IC LATCH CMOS H-S TO-92UA
产品目录绘图: UA-92 Series Side
标准包装: 1,000
传感范围: 4.5mT 跳闸,-4.5mT 释放
类型: 双极卡锁
电源电压: 3.5 V ~ 24 V
电流 - 电源: 5mA
电流 - 输出(最大): 50mA
输出类型: 数字式,开漏极
工作温度: -40°C ~ 150°C
封装/外壳: TO-226-3,TO-92-3 短体
供应商设备封装: TO-92UA
包装: 散装
产品目录页面: 2792 (CN2011-ZH PDF)
其它名称: US2881LUA
US2881LUA-ND
Section 3 - Applications
3-17
Applications
Balance, Level, Vibration, Acceleration
A magnet suspended from a pendulum, free to move in the X - Y plane, may be used to detect level posi-
tion, acceleration and vibration. Figure 12 shows a magnet with the center as a North pole and an outer
ring of South pole. In a level, stable condition, the North pole turns OFF the switch. Motion will cause
the magnet to move in such a way that the South pole is over the Hall IC, turning the switch ON.
Obviously, the mechanical configuration is not trivial, and will vary greatly depending on the application.
Switches like this are used in some washing machines.
Figure 17, Level and Motion Switch
A-18
S
N
S
S
S
The magnet is free to move relative to the Hall IC.
Any force disturbing the magnet may result in a South pole
facing the Hall IC, resulting in an ON condition
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