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参数资料
| 型号： | US4881LUA-AAA-000-BU |
| 厂商： | Melexis Technologies NV |
| 文件页数： | 27/46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： | 6mT 跳闸，-6mT 释放 |
| 类型： | 双极卡锁 |
| 电源电压： | 2.2 V ~ 18 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： | US4881LUA US4881LUA-ND |
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3-35
Biased Operation
Biased operation is a method of controlling the magnetic field surrounding a Hall IC and is quite similar
to the Push-Push Method. For example, if a South Pole were attached to the reverse side of a Hall Effect
Switch, the Hall IC would be held on the OFF position until a South pole of a larger magnitude is intro-
duced to the branded face of the sensor and cancels out the opposing magnetic flux. This can be a very
important concept if a Hall IC were located within an electronic system with other opposing magnetic
fields. It will ensure that the Hall Sensor cannot switch accidentally. Figure 11 is an example of the bias
method. In Figure 11, the push-button uses a bias magnet to ensure that the button is in the Off position
until being pressed. When the button is pressed, the magnet adjacent to the branded face moves in the
head-on configuration closer to the Hall IC. This positive flux density will cancel out the negative flux
density provided by the bias magnet, eventually turning the button ON. Once the button is released, the
two opposing South magnetic fields will repel each other and send the button to its original OFF position.
Figure 11, Push-button with Bias Magnet
If the US5881 Hall Effect Switch were tobe used in this bias magnet configuration, this switch would
remain in the OFF position until the button is
pressed. If the magnet adjacent to the branded
face of the Hall IC has an air gap of 2.0mm before
being pressed, the switch will be exposed to a flux
density of approximately - 200Gauss. the button
will need to be moved a distance of 0.75mm
inward to exceed 250 Gauss and turn ON. After
being released, the magnets will repel and turn
OFF the Hall IC at a distance of 1.7 mm away
from the branded face.
Section 3 - Applications
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| AH337-PL-B | IC HALL SWITCH 1PH 25MA SIP-3L |
| AH373-PL-B | IC HALL EFFECT LATCH 25MA SIP-3L |
| AH3761-PG-B | SENSOR HALL LATCH 6MA SIP3 |
| F1892CCH1200 | MODULE SCR/DIODE 90A 480VAC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| US-4AI | 制造商:Tripp Lite 功能描述:4 PORT USB DEVICE SERVER - INT - Bulk 制造商:Tripp Lite 功能描述:4 Port USB Device Server - Int |
| US4KB80-7000 | 功能描述:整流器 4.0 Amp 800 Volt RoHS:否 制造商:Vishay Semiconductors 产品:Standard Recovery Rectifiers 配置: 反向电压:100 V 正向电压下降: 恢复时间:1.2 us 正向连续电流:2 A 最大浪涌电流:35 A 反向电流 IR:5 uA 安装风格:SMD/SMT 封装 / 箱体:DO-221AC 封装:Reel |
| US4KB80R | 功能描述:桥式整流器 Diode-Bridge Rectifier RoHS:否 制造商:Vishay 产品:Single Phase Bridge 峰值反向电压:1000 V 最大 RMS 反向电压: 正向连续电流:4.5 A 最大浪涌电流:450 A 正向电压下降:1 V 最大反向漏泄电流:10 uA 功率耗散: 最大工作温度:+ 150 C 长度:30.3 mm 宽度:4.1 mm 高度:20.3 mm 安装风格:Through Hole 封装 / 箱体:SIP-4 封装:Tube |
| US4KB80R-7000 | 功能描述:桥式整流器 4.0 Amp 800 Volt RoHS:否 制造商:Vishay 产品:Single Phase Bridge 峰值反向电压:1000 V 最大 RMS 反向电压: 正向连续电流:4.5 A 最大浪涌电流:450 A 正向电压下降:1 V 最大反向漏泄电流:10 uA 功率耗散: 最大工作温度:+ 150 C 长度:30.3 mm 宽度:4.1 mm 高度:20.3 mm 安装风格:Through Hole 封装 / 箱体:SIP-4 封装:Tube |
| US4PBC-E3/86A | 制造商:Vishay Semiconductors 功能描述:4A,200V SM ULTRAFAST RECTIFIER - Tape and Reel |
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