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Instructions:

The Infineon Technologies TLE4972 XENSIV™ magnetic coreless current sensor integrates an analog sensor signal proportional to the measured current and two fast overcurrent detection pins. The TLE4972 uses a differential measurement principle to withstand stray fields, making it ideal for current EMC sensitivity measurements.

Thanks to proprietary digital stress and temperature compensation and powerful Hall technology, the Infineon TLE4972 digitally assisted simulator provides excellent stability over the entire temperature and service life range. The coreless sensor design of magnetic sensors avoids adverse effects such as saturation and hysteresis, which typically come from sensors that use an iron core to obtain magnetic flux density.

According to AEC Q100 and ISO 26262 safety components, the sensor is certified to meet the maximum safety requirements of ASIL B. These requirements support safety-critical applications such as traction inverters and battery master switches.

The sensor is available in a PG-TDSO-16 package and is suitable for 48V and high voltage applications thanks to its external current rail design.

Features

High accuracy, scalable, DC and AC current detection

Extremely low sensitivity error over the entire temperature and service life range

Excellent offset stability over the entire temperature and service life range

High bandwidth provides fast response time and low phase delay

The differential sensor principle ensures excellent stray magnetic field suppression

Two independent Fast overcurrent detection (OCD) pins with configurable thresholds enable a fast protection mechanism for power circuits (typical value 0.7µs)

Full scale up to 31mT for high current applications

The small size allows for low insertion resistance and low power loss

Configurable analog output operating mode (fully differential, semi-differential or single-ended, unidirectional and bidirectional with or without proportional)

Supply voltage: 3.1V to 3.5V

The symbol ISO 26262 safety element exceeds the context up to ASIL B safety requirements

Different packaging solutions enable optimal system integration for different wiring schemes

Applications

Electric drive for cars

Auxiliary driver

Current monitoring

Overload and overcurrent detection

Automotive powertrain

Battery master switch

Onboard charger

TLE4972-AE35S5 specifications are as follows:

Used for measurement: AC/DC

Sensor type: Hall effect, differential

Current - Detection: 2000A

Number of channels: 1

Output: ratio, voltage

Sensitivity: 62mV/mT

Frequency: 210kHz

Linearity: -

Accuracy: -

Voltage - Power supply: 3.1V ~ 3.5V

Response time: 700ns

Current - Power supply (Max.) : 25mA

Operating temperature: -40°C ~ 125°C (TA)

Polarization: -

Mounting type: Surface mount type

Package/case: 6-PowerVDFN

Supplier device package: PG-VSON-6-4