The contactless current sensor IC also provides a warning signal in case of an over- or under-voltage condition for the supply voltage. System designers can program the sensitivity of the sensor as well as the threshold levels of the two dedicated overcurrent signals and therefore adapt them to individual requirements without any external components. The differential current sensor measurement with two Hall cells ensures high accuracy even in a noisy environment like crosstalk from adjacent current lines or magnetic stray fields. Due to lacking an iron core or a flux concentrator, the sensor signal shows neither hysteresis nor does it suffer from saturation. Based on Infineon’s precise and stable Hall effect current sensor IC technology, the current sensor analog output signal is highly linear over temperature and lifetime. Infineon’s XENSIV™ family of high-precision coreless open-loop current sensors are less bulky, and cost less compared to core-based current sensors. The products are intended for use in 48 V, as well as high voltage and/or wide bandgap applications such as traction inverters, industrial drives, photovoltaic inverters, or EV charging systems. Our magnetic current sensors include either an integrated current rail in the package for low currents or measure the magnetic field of an external current rail for medium to high currents.

Used to measure both AC and/or DC currents, Infineon’s current sensors provide accurate and stable current measurement up to 120 A or 31mT respectively.

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