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ATS673LSETN-LT PDF预览

ATS673LSETN-LT

更新时间: 2024-01-29 03:36:57
品牌 Logo 应用领域
急速微 - ALLEGRO 传感器
页数 文件大小 规格书
20页 666K
描述
Self-Calibrating TPOS Gear Tooth Sensor Optimized for Automotive Cam Sensing Applications

ATS673LSETN-LT 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:PLASTIC, SIP-4Reach Compliance Code:unknown
风险等级:5.84主体宽度:7 mm
主体高度:7.9 mm主体长度或直径:10 mm
外壳:PLASTICJESD-609代码:e3
最大测量范围(毫米):2.5 mm最小测量范围(毫米):0.5 mm
安装特点:THROUGH HOLE MOUNT端子数量:4
最大工作电流:11 mA最高工作温度:150 °C
最低工作温度:-40 °C输出极性:INVERTING
输出范围:450mV输出类型:ANALOG VOLTAGE
封装主体材料:PLASTIC/EPOXY封装等效代码:SIP4,.25,50
封装形状/形式:ROUND电源:12 V
响应时间:0.9 µs传感器/换能器类型:PROXIMITY SENSOR,HALL EFFECT
子类别:Other Sensors最大供电电压:26.5 V
最小供电电压:3.3 V表面贴装:NO
技术:BICMOS端子面层:Matte Tin (Sn)
端接类型:SOLDERBase Number Matches:1

ATS673LSETN-LT 数据手册

 浏览型号ATS673LSETN-LT的Datasheet PDF文件第11页浏览型号ATS673LSETN-LT的Datasheet PDF文件第12页浏览型号ATS673LSETN-LT的Datasheet PDF文件第13页浏览型号ATS673LSETN-LT的Datasheet PDF文件第15页浏览型号ATS673LSETN-LT的Datasheet PDF文件第16页浏览型号ATS673LSETN-LT的Datasheet PDF文件第17页 
ATS673 and ATS674  
Self-Calibrating TPOS Gear Tooth Sensor Optimized for Automotive Cam Sensing Applications  
Update  
in real time, the sensor has high immunity to target run-out and  
The ATS673 and ATS674 incorporate an algorithm that continu-  
ously monitors the system and updates the switching thresholds  
accordingly. The switchpoint for each transition is determined  
by the previous two transitions. Because variations are tracked  
retains excellent accuracy and functionality in the presence of  
both run-out and transient mechanical events. Figure 9 shows  
how the devices use historical data to provide the switching  
thresholds for a given edge.  
(A) TEAG varying; cases such as  
eccentric mount, out-of-round region,  
normal operation position shift  
(B) Internal analog signal, VPROC  
typically resulting in the sensor  
,
V+  
Smaller  
TEAG  
Smaller  
TEAG  
Larger  
TEAG  
Target  
Target  
Hysteresis Band  
(Delimited by switchpoints)  
Smaller  
TEAG  
Larger  
TEAG  
Sensor  
Sensor  
0
360  
Target Rotation (°)  
(C) Referencing the internal analog signal, VPROC, to continuously update device response  
Determinant  
Peak Values  
BHYS  
BHYS  
BHYS  
BHYS  
Switchpoint  
V+  
Pk9  
Pk1  
Pk7  
Pk3  
BOP1  
BRP1  
Pk1, Pk2  
Pk2, Pk3  
Pk5  
BOP1  
BOP2  
BOP4  
BOP2  
BRP2  
Pk3, Pk4  
Pk4, Pk5  
BOP3  
BRP3  
BRP4  
BRP1  
BRP2  
BOP3  
BRP3  
Pk5, Pk6  
Pk6, Pk7  
Pk4  
Pk6  
Pk2  
Pk8  
BOP4  
BRP4  
Pk7, Pk8  
Pk8, Pk9  
BHYS  
BHYS  
BHYS  
BHYS  
t+  
Figure 9. The Continuous Update algorithm allows the Allegro sensor to immediately interpret and adapt to significant variances in the magnetic field  
generated by the target as a result of eccentric mounting of the target, out-of-round target shape, elevation due to lubricant build-up in journal gears, and  
similar dynamic application problems that affect the TEAG (Total Effective Air Gap). The algorithm is used to dynamically establish and subsequently  
update the device switchpoints (BOP and BRP). The hysteresis, BHYS(#x), at each target feature configuration results from this recalibration, ensuring that  
it remains properly proportioned and centered within the peak-to-peak range of the internal analog signal, VPROC  
.
As shown in panel A, the variance in the target position results in a change in the TEAG. This affects the sensor as a varying magnetic field, which  
results in proportional changes in the internal analog signal, VPROC, shown in panel B. The Continuous Update algorithm is used to establish accurate  
switchpoints based on the fluctuation of VPROC, as shown in panel C.  
Allegro MicroSystems, Inc.  
14  
115 Northeast Cutoff, Box 15036  
ATS673LSE-DS  
Worcester, Massachusetts 01615-0036 (508) 853-5000  
www.allegromicro.com  

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