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TLE4972-AE35S5

更新时间： 2024-11-19 11:13:07
品牌 Logo 应用领域
英飞凌 - INFINEON /
页数 文件大小 规格书
20页 847K
描述
The Infineon TLE4972 –AE35S5 is a high precision current sensor based on Hall technology. Due to its differential measurement principle it is robust against stray fields and suited for current measurements in EMC prone environments, e.g. in-phase current sensing in a motor application. The integrated Infineon proprietary, stress and temperature compensation together with the digitally assisted measurement concept, provide a very high stability over temperature and lifetime.

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TLE4972-AE35S5 数据手册

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TLE4972 high precision coreless current sensor for  
automotive applications  
Description  
Features & Benefits  
TLE4972 is a high precision miniature coreless  
magnetic current sensor for AC and DC  
measurements with analog interface and two fast  
over-current detection outputs.  
•
High accurate, scalable, DC & AC current sensing.  
•
•
•
•
•
Very low sensitivity error over temperature and  
lifetime.  
Excellent stability of offset over temperature and  
lifetime.  
Infineon's well-established and robust monolithic  
Hall technology enables accurate and highly linear  
measurement of the magnetic field caused by  
currents. With a full scale up to ±31 mT it is possible  
to measure currents up to 2,000 ampere. All  
negative effects (e.g. saturation, hysteresis)  
commonly known from open loop sensors using flux  
concentration techniques are avoided. The sensor is  
developed in accordance to functional safety  
standard ISO 26262 and is equipped with internal  
self-diagnostics.  
High bandwidth provides fast response time and low  
phase delay.  
Differential sensor principle ensures superior  
magnetic stray field suppression.  
Two independent fast Over-Current Detection (OCD)  
pins with configurable thresholds enable fast  
protection mechanisms for power circuitry (typical  
0.7 µs).  
•
•
Full scale up to 31 mT for high current applications.  
Typical applications are electrical drives, on board  
chargers, battery main switches, power supplies,  
over-load and over-current detection in high voltage  
applications.  
Small form factor enables low insertion resistance  
and less power loss.  
•
Configurable analog output operational modes  
(fully-differential,  
semi-differential  
or  
single-ended, uni- and bidirectional with or without  
ratiometricity)  
The digitally assisted analog concept of TLE4972  
offers superior stability over temperature and  
lifetime thanks to the Infineon proprietary digital  
stress and temperature compensation. The  
differential measurement principle allows great  
stray field suppression for operation in harsh  
environments.  
•
•
Supply voltage 3.1 to 3.5 V.  
Developed in accordance with ISO 26262 for safety  
requirements rated up to ASIL B.  
•
Different package solutions for optimal system  
integration in different wiring schemes.  
The sensor is available in two packages to support a  
wide range of different system integration  
scenarios.  
Two separate over current detection pins (OCD)  
provide  
a fast output signal in case the  
measurement current exceeds the configured  
thresholds in typical 0.7 µs.  
The sensor is shipped as a pre-calibrated product,  
which provides an accurate performance over  
temperature and stress. The TLE4972 has in-situ  
calibration capability to achieve maximum accuracy  
at the system level.  
The high configurability enables customization for a  
wide variety of applications.  
TLE4972-AE35S5  
Order Information  
Product Name  
Product Type  
Current sensor for automotive applications  
Package  
Ordering Number  
TLE4972-AE35S5  
PG-VSON-6  
SP004914370  
Data Sheet  
Please read the Important Notice and Warnings at the end of this document  
Rev. 1.02  
www.infineon.com  
21-12-2021  
1234567...20

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