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Current sensor family targets automotive applications

Current sensor family targets automotive applications

New Products |
By Jean-Pierre Joosting



Infineon Technologies AG has announced the addition of the XENSIV™ TLE4971 family to its current sensor portfolio for automotive applications. The 3.3 V devices are the next generation of TLI4971 devices available in a TISON package with an integrated rail and available in four different pre-programmed current ranges: 25 A, 50 A, 75 A and 120 A.

With a compact design and state-of-the-art sensing, the TLE4971 current sensor is ideal for automotive use cases including on-board chargers (OBC), high-voltage auxiliary drives and charging applications. Additionally, the current sensor is also ideal for industrial applications including DC chargers for electric vehicles, industrial drives, servo drives and PV inverters.

XENSIV TLE4971 current sensor devices offer a precise magnetic current sensing based on proprietary temperature and stress compensation, without the negative effects of magnetic cores caused from hysteresis or saturation effects. Due to the differential sensing principle, no core or shielding is required to protect against stray fields. In addition, the sensors are ideal for applications using wide-bandgap solutions such as Gallium Nitride (GaN) and Silicon Carbide (SiC). The integrated EEPROM allows users to customize the sensor’s overcurrent detection (OCD) values and deglitch filters for different use cases.

The small PG-TISON-8-5 package allows a very compact design for various applications. With the minimum insertion resistance of 220 µΩ and inductance of less than 1 nH, the system losses decrease to enable higher efficiency and accuracy. Moreover, the package enables high dynamic range, high surge current and market-leading thermal performance. The devices are fully qualified to AEC-Q100 Grade 1 for automotive applications up to 125°C and offer improved output accuracy. To support industrial applications, all current sensor variants are available as standard and UL certified versions.

The Infineon XENSIV™ TLE4971 current sensor family is available now.

www.infineon.com/current-sensors

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