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参数资料
| 型号： | MLX90215LVA-LC03 |
| 厂商： | Melexis Technologies NV |
| 文件页数： | 28/46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 |
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Flux Concentrators
A flux concentrator, or pole piece, is a ferrous material used to significantly increase the performance of
a Hall Effect Sensor System. When a flux concentrator is placed opposite the pole face of a magnet, the
magnetic field channels through the concentrator, thereby increasing the flux density between the con-
centrator and the pole face.
Figure 13, Flux Concentrator
The reason this magnetic flux channels through the concentrator is because of the reluctance of the fer-
rous material. Reluctance is the resistance that magnetic flux lines experience as they flow from the North
pole into the South pole of a magnet. Ferromagnetic materials have lower reluctance than air, therefore a
pole piece provides an easier path for the flux to flow through, while increasing the flux density at the
same time. There are three benefits to adding a flux concentrator to a magnetic circuit. First, a less sensi-
tive Hall Effect Sensor can be implemented, a result of the increased flux density. The second benefit of
using a flux concentrator is that Hall Effect Sensor with a specific operate level can be actuated a greater
distance from the magnet, than if one were not in use. The addition of a pole piece also allows the use of
a magnet with a lower field intensity. A flux concentrator makes it possible to use a smaller magnet or a
magnet of different material to achieve the same operating characteristics as one with higher flux density
or a larger size. When choosing materials for a pole piece, pay attention to the following characteristics:
The permeability and reluctance of the material will affect its performance as a flux concentrator. Also,
pay close attention to the mechanical characteristics of machining and corrosion. These properties are
very important when selecting an alloy.
Section 3 - Applications
3-9
N
Magnet
S
Ferrous
Concentrator
相关PDF资料 |
PDF描述 |
|---|---|
| D2HW-BL211M | SWITCH LEVER SPDT 2A SEALED |
| MLX90215LVA-LA03 | IC SENSOR LIN HALL 100MV/MT 1V |
| 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 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 |
| MLX90224B | 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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