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參數(shù)資料
| 型號： | BU52003GUL-E2 |
| 廠商： | Rohm Semiconductor |
| 文件頁數(shù)： | 15/22頁 |
| 文件大小： | 505K |
| 描述： | IC HALL EFFECT SW BIPO VCSP50L1 |
| 特色產(chǎn)品： | ROHM Hall Effect Sensor ICs |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 傳感范圍： | -5.5mT 跳閘，-0.8mT 釋放 |
| 類型： | 單極開關(guān) |
| 電源電壓： | 2.4 V ~ 3.3 V |
| 電流 - 電源： | 9µA |
| 電流 - 輸出（最大）： | ±1mA |
| 輸出類型： | 數(shù)字，開路集電極 |
| 特點： | 穩(wěn)壓電壓 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 4-UFBGA，CSPBGA |
| 供應(yīng)商設(shè)備封裝： | VCSP50L1 |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 產(chǎn)品目錄頁面： | 1377 (CN2011-ZH PDF) |
| 其它名稱： | BU52003GUL-E2DKR |
BU52002GUL,BU52003GUL,BU52012NVX,BU52012HFV,BU52013HFV
Technical Note
15/19
www.rohm.com
2010.08 - Rev.C
?2010 ROHM Co., Ltd. All rights reserved.
螴ntermittent Operation at Power ON
The unipolar detection Hall IC adopts an intermittent operation method in detecting the magnetic field during startup, as
shown in Fig.44. It outputs to the appropriate terminal based on the detection result and maintains the output condition
during the standby period. The time from power ON until the end of the initial startup period is an indefinite interval, but it
cannot exceed the maximum period, 100ms. To accommodate the system design, the Hall IC output read should be
programmed within 100ms of power ON, but after the time allowed for the period ambient temperature and supply voltage.
螹agnet Selection
Of the two representative varieties of permanent magnet, neodymium generally offers greater magnetic power per volume
than ferrite, thereby enabling the highest degree of miniaturization, thus, neodymium is best suited for small equipment
applications. Fig.45 shows the relation between the size (volume) of a neodymium magnet and magnetic flux density. The
graph plots the correlation between the distance (L) from three versions of a 4mm X 4mm cross-section neodymium magnet
(1mm, 2mm, and 3mm thick) and magnetic flux density. Fig.46 shows Hall IC detection distance a good guide for
determining the proper size and detection distance of the magnet. Based on the BU52012HFV, BU52013HFV operating
point max 5.0 mT, the minimum detection distance for the 1mm, 2mm and 3mm magnets would be 7.6mm, 9.22mm, and
10.4mm, respectively. To increase the magnets detection distance, either increase its thickness or sectional area.
Power ON
VDD
Startup time
Standby time
Standby time
Startup time
(Intermittentaction)
Indefinite
interval
OUT
(No magnetic
field present)
Indefinite
interval
OUT
(Magnetic
field present)
Low
High
Supply current
Fig.44
X=Y=4mm
t=1mm,2mm,3mm
X
t
Y
&Flux density measuring point
L: Variable
t
Fig.46 Magnet Dimensions and Flux Density Measuring Point
Magnet size
Magnet
Magnet material: NEOMAX-44H (material)
Maker: NEOMAX CO.,LTD.
0
1
2
3
4
5
6
7
8
9
10
0
2
4
6
8
10
12
14
16
18
20
Distance between magnet and Hall IC [mm]
Fig.45
7.6mm
t=3mm
t=1mm
t=2mm
9.2mm
10.4mm
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| BU52014HFV-TR | IC HALL EFFECT SW BIPO HVSOF5 |
| BU52040HFV-TR | IC HALL EFFECT BIPO LATCH HVSOF5 |
| D6B-2P | SENSR TILT 35-65DEG 1MA SMD GUL |
| D7E-3 | SENSOR TILT 50-80DEG 0.1A GRY |
| DSBA1H | SENSOR TILT SW 30-60DEG 20MA TH |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BU52004GUL | 制造商:ROHM 制造商全稱:Rohm 功能描述:Hall effect Switch |
| BU52004GUL_10 | 制造商:ROHM 制造商全稱:Rohm 功能描述:Omnipolar Detection Hall ICs (Polarity detection for both S and N features dual outputs) |
| BU52004GUL-E2 | 功能描述:板機接口霍耳效應(yīng)/磁性傳感器 Magnetic Sensor 2.4-3.3V; 50mS RoHS:否 制造商:Honeywell 類型:Bipolar Hall-Effect Digital Position Sensor 工作電源電壓:3 V to 24 V 電源電流:3.5 mA 最大輸出電流:20 mA 工作點最小值/最大值:5 G, 55 G 最小/最大釋放點（Brp）:- 55 G, - 5 G 最大工作溫度:+ 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23 |
| BU-5200-A-4-0 | 功能描述:測試引線 Black BNC Female Bre RoHS:否 制造商:Pomona Electronics 設(shè)備類型:Patch Cords 連接器類型:Banana plug (stackable) on both ends 長度:60 in 顏色:Black |
| BU52011HFV | 制造商:ROHM Semiconductor 功能描述:Hole IC,Bop=+/-3.0mT,CMOSout,HVSOF5 |
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