Datasheet > TLE4972-AE35D5

TLE4972-AE35D5

更新时间： 2024-11-19 14:55:03

品牌	Logo	应用领域
英飞凌 - INFINEON		/
页数	文件大小	规格书
20页	740K
描述
The Infineon TLE4972 provides an analogue sensor signal proportional to the measured current as well as two fast overcurrent detection pins. ?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.

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TLE4972-AE35D5 数据手册

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

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.

single-ended, uni- and bidirectional with or without

ratiometricity)

•

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.

TLE4972-AE35D5

The high configurability enables customization for a

wide variety of applications.

Order Information

Product Name

Product Type

Current sensor for automotive applications

Package

Ordering Number

TLE4972-AE35D5

PG-TDSO-16

SP004914362

Data Sheet

Please read the Important Notice and Warnings at the end of this document

Rev. 1.02

www.infineon.com

21-12-2021

12 3 4 5 6 7...20

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