参数资料
型号: MLX90215LVA-LC03
厂商: Melexis Technologies NV
文件页数: 33/46页
文件大小: 498K
描述: IC SENSOR LIN HALL 100MV/MT 2.5V
产品目录绘图: MLX90215, PTC-04 Series Side
标准包装: 1,000
传感范围: 无限制
类型: 线性 - 可编程
电源电压: 4.5 V ~ 5.5 V
电流 - 电源: 6.5mA
电流 - 输出(最大): 2mA
输出类型: 模拟,比率
特点: 稳压电压
工作温度: -40°C ~ 150°C
封装/外壳: 4-SIP
供应商设备封装: 4-SIP
包装: 散装
3-19
Flow Meter
One popular device that uses a Hall IC is a flow meter (Figure 15). The spoked wheel (paddle wheel), is
driven by some type of medium flowing through the pipe. A magnet is attached at the tip of each spoke.
In the presence of moving vapor or liquid, the magnets spin at a speed related to the viscosity of the medi-
um flowing through the device. The spinning magnets will switch the Hall IC, producing a square wave
output, with a frequency proportional to the flow rate.
Figure 19, Flow Meter
Liquid or vapor entering in the
direction of the arrow spins the
paddle wheel switching the Hall
IC ON and OFF, creating a
square wave output.
Power Control
Many switches must control significant power. A Hall IC can do this only through a relay or Power FET.
For a component cost of $1.00, an isolated 50 Volt, 50 Amp switch can be made.
Figure 20, Power Switch
Section 3 - Applications
S
N
U18
627
12V
Load
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