參數(shù)資料
型號: BU52040HFV-TR
廠商: Rohm Semiconductor
文件頁數(shù): 8/15頁
文件大小: 465K
描述: IC HALL EFFECT BIPO LATCH HVSOF5
特色產(chǎn)品: ROHM Hall Effect Sensor ICs
標(biāo)準(zhǔn)包裝: 1
傳感范圍: 5mT 跳閘,-5mT 釋放
類型: 雙極卡鎖
電源電壓: 1.65 V ~ 3.3 V
電流 - 電源: 300µA
電流 - 輸出(最大): ±0.5mA
輸出類型: 數(shù)字,開路集電極
工作溫度: -40°C ~ 85°C
封裝/外殼: SOT-665
供應(yīng)商設(shè)備封裝: 5-HVSOF
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: BU52040HFV-DKR
BU52040HFV-DKR-ND
BU52040HFVDKR
BU52040HFV 
Technical Note
 
8/12
www.rohm.com
2010.01 - Rev.B
?2010 ROHM Co., Ltd. All rights reserved.
  Detection of Rotation Direction
1) Mounting angle = ?4
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2) Mounting angle = 睛
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Because the IC measures changes in magnetic field every 1200 礢, the IC cannot detect changes in rotation at speeds
exceeding this period.
 
Clockwise Rotation
 
S
N
Bop
Brp
High
Low
High
Low
Hall IC B
output
Hall IC A
output
Magnetic field applied to IC A
Magnetic field applied to IC B
Clockwise turn: Output of IC B is low when
out  ut of IC A becomes hi  h
Counterclockwise Rotation
 
S
N
Bop
Brp
High
Low
High
Low
Magnetic field applied to IC A
Magnetic field applied to IC B
rotation angle 
rotation angle
Hall IC A
output
Hall IC B
output
Counterclockwise Rotation
 
Clockwise Rotation
 
S
N
Bop
Brp
High
Low
High
Low
Hall IC B
output
Hall IC A
output
Magnetic field applied to IC A
Magnetic field applied to IC B
rotation angle
High
S
N
Bop
Brp
High
Low
Low
Magnetic field applied to IC A
Magnetic field applied to IC B
rotation angle 
Hall IC A
output
Hall IC B
output
Counterclockwise turn: Output of IC B is high
Clockwise turn: Output of IC B is high when
output of IC A becomes high.
Counterclockwise turn: Output of IC B is a low
when output of IC A becomes high.
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