Datasheet > TLI4971

TLI4971

更新时间： 2024-11-06 02:52:35

品牌	Logo	应用领域
英飞凌 - INFINEON		/
页数	文件大小	规格书
19页	1035K
描述
TLI4971 high precision coreless current sensor for industrial applications in 8x8mm SMD package

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TLI4971 数据手册

TLI4971 high precision coreless current sensor for industrial

applications in 8x8mm SMD package

Description

Features & Benefits

TLI4971 is a high precision miniature coreless

magnetic current sensor for AC and DC

measurements with analog interface and two fast

over-current detection outputs.

 Integrated current rail with typical 225µΩ insertion

resistance enables ultra-low power loss

 Smallest form factor, 8x8mm SMD, for easy

integration and board area saving

Infineon's well-established and robust monolithic

Hall technology enables accurate and highly linear

measurement of currents with a full scale up to

±120A. All negative effects (saturation, hysteresis)

commonly known from open loop sensors using

flux concentration techniques are avoided. The

sensor is equipped with internal self-diagnostic

feature.

Typical applications are electrical drives (up to

690V), current monitoring, chargers, photovoltaic

inverters, general purpose inverters, overload and

over-current detection.

 Single supply voltage, 3.1V to 3.5V

 High accurate, scalable, DC & AC current sensing

 Full scale up to ±120A

 Bandwidth greater than 120kHz enables wide range

of applications

 Low phase delay (< 48° at below 120kHz) for easy

closed loop control

 Very low sensitivity error over temperature (< 2.5%)

 Excellent stability of offset over temperature and

lifetime

 Integrated isolator provides high robustness to

voltage slew rates up to 10V/ns

The digitally assisted analog concept of TLI4971

offers superior stability over temperature and

lifetime thanks to the proprietary digital stress and

temperature compensation. The differential

measurement principle allows great stray field

suppression for operation in harsh environments.

The integrated primary conductor (current rail)

with very low insertion resistance minimizes the

power loss and enables miniaturization of sensing

circuitry. A small 8mm x 8mm leadless package

(QFN-like) allows for standard SMD assembly.

Two separate interface pins (OCD) provide a fast

output signal in case a current exceeds a pre-set

threshold.

 Galvanic functional isolation up to 1150V peak V_IORM

 V_ISO2500V RMS agency type-tested for 60 seconds

per UL1577

 Partial discharge capability of at least 1200V

 Differential sensor principle ensures superior

magnetic stray field suppression

 Two independent fast Over-Current Detection (OCD)

pins with configurable thresholds enable protection

mechanisms for power circuitry (typical 0.7µs)

 Ratiometric and non ratiometric analog output

 Fully calibrated

The sensor is shipped as a fully calibrated product

without requiring any customer end-of-line

calibration.

Nevertheless, the high configurability enables

individual customization for a wide variety of

applications. All user-programmable parameters

such as OCD thresholds, blanking times and output

configuration modes are stored in an embedded

EEPROM memory. Programming of the memory can

be performed in the application through a Serial

Inspection and Configuration Interface (SICI).

Coreless current sensor in PG-TISON-8 package

Order Information

Ordering

Number

Product Name

Product Type

Package

TLI4971-A120T5-U-E0001 120A measurement range, UL certified device ¹⁾²⁾

PG-TISON-8 SP005272936

TLI4971-A120T5-E0001

120A measurement range ¹⁾²⁾

PG-TISON-8 SP005344532

1) Current sensor for industrial / consumer applications, qualified according to AEC Q100 grade 2

2) Semi-differential mode, non-ratiometric output sensitivity

Datasheet

www.infineon.com

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

Revision 1.1

09-03-2020

12 3 4 5 6 7...19

中文翻译

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