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参数资料
| 型号： | BU52021HFV-TR |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 24/34页 |
| 文件大小： | 678K |
| 描述： | IC HALL EFFECT SW BIPO HVSOF5 |
| 标准包装： | 1 |
| 传感范围： | ±5.5mT 跳闸，±0.8mT 释放 |
| 类型： | 全极开关 |
| 电源电压： | 2.4 V ~ 3.6 V |
| 电流 - 电源： | 12µA |
| 电流 - 输出（最大）： | ±1mA |
| 输出类型： | 数字，开路集电极 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | SOT-665 |
| 供应商设备封装： | 5-HVSOF |
| 包装： | 标准包装 |
| 其它名称： | BU52021HFV-DKR BU52021HFV-DKR-ND BU52021HFVDKR |
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Technical Note
BU52001GUL,BU52011HFV,BU52021HFV,BU52015GUL,BU52025G,BU52053NVX,
BU52054GWZ,BU52055GWZ,BU52056NVX,BU52061NVX,BD7411G
24/31
www.rohm.com
2011.12 - Rev.G
?2011 ROHM Co., Ltd. All rights reserved.
(Magnetic Field Detection Mechanism)
The bipolar detection Hall IC detects magnetic fields running perpendicular to the top surface of the package. There is an
inverse relationship between magnetic flux density and the distance separating the magnet and the Hall IC: when distance
increases magnetic density falls. When it drops below the operate point (Bop), output goes HIGH. When the magnet gets
closer to the IC and magnetic density rises, to the operate point, the output switches LOW. In LOW output mode, the
distance from the magnet to the IC increases again until the magnetic density falls to a point just below Bop, and output
returns HIGH. (This point, where magnetic flux density restores HIGH output, is known as the release point, Brp.) This
detection and adjustment mechanism is designed to prevent noise, oscillation and other erratic system operation.
B
Low
Bop N Brp N
Brp S
Bop S
0
High
N-Pole
Magnetic flux density [mT]
S-Pole
Fig.68
High
High
Low
OUT [V]
N
N
S
S
S
N
The Hall IC cannot detect magnetic fields that run horizontal to the package top layer.
Be certain to configure the Hall IC so that the magnetic field is perpendicular to the top layer.
Fig.67
S
S
N
S
N
agnetic
Flux
agnetic
Flux
agnetic
Flux
agnetic
Flux
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相关代理商/技术参数 |
参数描述 |
|---|---|
| BU52025G | 制造商:ROHM Semiconductor 功能描述:Hole IC,Bop=+/-3.7mT,CMOSout,SSOP5 |
| BU52025G-TR | 功能描述:板机接口霍耳效应/磁性传感器 2.4-3.6V; +/-3.7mT Bipolar Detection RoHS:否 制造商:Honeywell 类型:Bipolar Hall-Effect Digital Position Sensor 工作电源电压:3 V to 24 V 电源电流:3.5 mA 最大输出电流:20 mA 工作点最小值/最大值:5 G, 55 G 最小/最大释放点（Brp）:- 55 G, - 5 G 最大工作温度:+ 150 C 安装风格:SMD/SMT 封装 / 箱体:SOT-23 |
| BU52025G-TR-CUT TAPE | 制造商:ROHM 功能描述:Silicon Monolithic Integrated Circuit, Hall Effet Switch |
| BU52031NVX-TR | 制造商:ROHM Semiconductor 功能描述:IC BU52031 SERIES |
| BU52040HFV | 制造商:ROHM Semiconductor 功能描述:Hole IC,Bop=+/-3.0mT,CMOSout,HVSOF5 |
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