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| 型号： | MLX90215LVA-LA03 |
| 厂商： | Melexis Technologies NV |
| 文件页数： | 29/46页 |
| 文件大小： | 498K |
| 描述： | IC SENSOR LIN HALL 100MV/MT 1V |
| 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 |
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Section 3 - Applications
3-13
Electromagnets
Another method of actuating Hall Effect Sensors is through the use of electromagnets. They are especial-
ly useful in circuit-breaking or current-sensing applications because their magnetism can be turned on
or turned off at will. An electromagnet consists of a coil of wire which may be wrapped around ferrous
material or core. The strength of this magnetic field is dependent on many variables, such as the perme-
ability of the ferrous material, the number of times the coil is wrapped around the material, the amount of
current flowing through the coil and the length of the core. These variables are related to each other in the
same way for all types of electromagnets, but the formulas differ slightly due to the variance of shape in
core material.
Figure 14, Common Electromagnet Shapes
Where:B = magnetic flux density
u0 = permeability of core material
N = number of turns made by coil
i = amount of current in coil
R = mean radius of toroid
Where:
B = magnetic flux density
u0 = permeability of core material
N = number of turns made by coil
i = amount of current in coil
l = length of cylindrical core
After choosing a core that will physically fit into the proposed current-sensing system, the values of length
of radius, permeability and at what value the current limiter is to operate will be known. The operate point
and release point for each Melexis Hall IC can be located in the datasheet section of this manual. By
knowing this information, it is now possible to calculate how many turns of wire will be required to pro-
duce enough flux density to actuate the Hall Effect Sensor. When designing an electromagnet use mate-
rials with the following properties: High saturation induction and high permeability will produce strong
magnetic fields resulting in a smaller device that will operate with little energy. When an electromagnet
is being switched on and off, use a material with a low coercive force for faster magnetization and demag-
netization. Also pay attention to magnetic aging and mechanical characteristics such as corrosion. This is
相关PDF资料 |
PDF描述 |
|---|---|
| MLX90215LVA-GC03 | IC SENSOR LIN HALL 50MV/MT 2.5V |
| D2HW-BR211M | SWITCH LEVER SPDT 2A SEALED |
| MLX90215LVA-CC03 | IC SENSOR LIN HALL 20MV/MT 2.5V |
| MLX90215LVA-BC03 | IC SENSOR LIN HALL 10MV/MT 2.5V |
| US5881LSO | IC HALL EFFECT SW SOT-23 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MLX90215LVA-LC03 | 功能描述:IC SENSOR LIN HALL 100MV/MT 2.5V RoHS:否 类别:传感器，转换器 >> 磁性 - 霍尔效应，数字式开关，线性，罗盘 (IC) 系列:- 标准包装:1 系列:- 传感范围:20mT ~ 80mT 类型:旋转 电源电压:4.5 V ~ 5.5 V 电流 - 电源:15mA 电流 - 输出（最大）:- 输出类型:数字式，PWM，8.5 位串行 特点:可编程 工作温度:-40°C ~ 150°C 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 供应商设备封装:20-SSOP 包装:Digi-Reel® 其它名称:AS5132-HSST-500DKR |
| MLX90217 | 制造商:MELEXIS 制造商全称:Melexis Microelectronic Systems 功能描述:Hall-Effect Cam Sensor |
| MLX90217LUA-CAA-000-BU | 功能描述:IC SENSOR CAM HALL EFFECT UA RoHS:是 类别:传感器，转换器 >> 磁性 - 霍尔效应，数字式开关，线性，罗盘 (IC) 系列:- 标准包装:1 系列:- 传感范围:20mT ~ 80mT 类型:旋转 电源电压:4.5 V ~ 5.5 V 电流 - 电源:15mA 电流 - 输出（最大）:- 输出类型:数字式，PWM，8.5 位串行 特点:可编程 工作温度:-40°C ~ 150°C 封装/外壳:20-SSOP（0.209"，5.30mm 宽） 供应商设备封装:20-SSOP 包装:Digi-Reel® 其它名称:AS5132-HSST-500DKR |
| MLX90224 | 制造商:MELEXIS 制造商全称:Melexis Microelectronic Systems 功能描述:Dual Hall Effect Switch |
| MLX90224A | 制造商:未知厂家 制造商全称:未知厂家 功能描述:DUAL HALL EFFECT LATCH |
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