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參數(shù)資料
| 型號(hào)： | ATS665LSGTN-T |
| 元件分類(lèi)： | 速度傳感器和接近開(kāi)關(guān) |
| 英文描述： | PROXIMITY SENSOR-HALL EFFECT, 0.5-2.5mm, 0.40V, ROUND, THROUGH HOLE MOUNT |
| 封裝： | LEAD FREE PLASTIC PACKAGE-4 |
| 文件頁(yè)數(shù)： | 7/18頁(yè) |
| 文件大小： | 521K |
| 代理商： | ATS665LSGTN-T |
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True Zero Speed, High Accuracy, Gear Tooth Sensor IC
ATS665LSG
14
Allegro MicroSystems, Inc.
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
IC/Target Evaluation
In order to establish the proper operating specification for a par-
ticular IC/target system, a systematic evaluation of the magnetic
circuit should be performed. The first step is the generation of
a magnetic map of the target. By using a calibrated device, a
magnetic signature of the system is made. At right is a map of
the 60-0 reference target. Flux density shown is the differential of
the magnetic fields sensed at the two Hall elements.
A single curve is distilled from this map data that describes the
peak-peak magnetic field versus air gap. Knowing the minimum
amount of magnetic flux density that guarantees operation of the
IC, one can determine the maximum operational air gap of the
IC/target system. Referring to the chart below right, a minimum
required peak-peak signal of 60 G corresponds to a maximum air
gap of approximately 2.5 mm.
Target Design
For the generation of adequate magnetic field levels to maximize
air gap performance, the following recommendations should be
followed in the design and specification of targets.
Tooth width > 2 mm
Valley width > 2 mm
Valley depth > 2 mm
Gear thickness > 3 mm
Target material must be low carbon steel
Though these parameters apply to targets of traditional geometry
(radially oriented teeth with radial sensing), they can be applied
to stamped targets as well. For stamped geometries with axial
sensing, the valley depth is intrinsically infinite so the criteria for
tooth width, valley width, material thickness (can be < 3 mm) and
material specification need only be considered.
Accuracy
While the update algorithm will allow the IC to adapt to system
changes (i.e. air gap increase), major changes in air gap can
adversely affect switching performance. When characterizing IC
performance over a significant air gap range, be sure to re-power
the device at each air gap. This ensures that self-calibration
occurs for each installation condition. See the section entitled
Characteristic Data for typical duty cycle performance.
-300
-250
-200
-150
-100
-50
0
50
100
150
200
250
300
0
5
10
15
20
25
30
35
Position []
Flux
Density
[Gauss]
0.94mm
1.19mm
1.44mm
1.69mm
1.94mm
2.19mm
2.44mm
2.69mm
2.94mm
3.19mm
ATS665LSG 60-0 TARGET MAP
0
100
200
300
400
500
600
700
0.511.522.5
33
Air Gap [mm]
Peak-Peak
Flux
Density
[Gauss]
.5
相關(guān)PDF資料 |
PDF描述 |
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| ATS675LSETN-HT-T | PROXIMITY SENSOR-HALL EFFECT, 0.5-3mm, 30-80mA, ROUND, THROUGH HOLE MOUNT |
| ATS675LSETN-LT-T | PROXIMITY SENSOR-HALL EFFECT, 0.5-3mm, 30-80mA, ROUND, THROUGH HOLE MOUNT |
| ATS682LSHTN-T | MAGNETIC FIELD SENSOR-HALL EFFECT, 3-100mT, CYLINDRICAL, THROUGH HOLE MOUNT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ATS665LSGTN-T | 制造商:Allegro MicroSystems 功能描述:; Leaded Process Compatible:Yes |
| ATS667LSG | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:True Zero-Speed, High Accuracy Gear Tooth Sensor IC |
| ATS667LSGTN-T | 功能描述:IC SENSOR GEAR TOOTH 4SIP RoHS:是 類(lèi)別:傳感器，轉(zhuǎn)換器 >> 磁性 - 霍爾效應(yīng)，數(shù)字式開(kāi)關(guān)，線性，羅盤(pán) (IC) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 傳感范圍:20mT ~ 80mT 類(lèi)型:旋轉(zhuǎn) 電源電壓:4.5 V ~ 5.5 V 電流 - 電源:15mA 電流 - 輸出（最大）:- 輸出類(lèi)型:數(shù)字式，PWM，8.5 位串行 特點(diǎn):可編程 工作溫度:-40°C ~ 150°C 封裝/外殼:20-SSOP（0.209"，5.30mm 寬） 供應(yīng)商設(shè)備封裝:20-SSOP 包裝:Digi-Reel® 其它名稱:AS5132-HSST-500DKR |
| ATS668LSMTN-T | 功能描述:THREE-WIRE DIFFERENTIAL SPEED SE 制造商:allegro microsystems, llc 系列:* 零件狀態(tài):在售 標(biāo)準(zhǔn)包裝:1 |
| ATS671LSE | 制造商:Allegro MicroSystems LLC 功能描述: |
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