Shunt-based current sensor supports solar inverter applications

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By eeNews Europe

The ILF current sensor covers a measurement range of up to 60 amperes and displays the flowing current via the corresponding voltage value on the analog output. Thanks to its compact IC housing, the ILF current sensor is ideal for SMD mounting.  The ILF’s current measurement is based on Isabellenhütte’s proven shunt technology.

Conventional current sensors in the same measurement range are based on the magnetic principle. Using shunt technology method, a current is detected by the magnetic field of a live conductor. Compared to products that use the magnetic principle, shunt-based current measurement claims to be more accurate.

ILF’s relative error amounts to deviation from the measurement value of less than one per cent over the entire measurement range. The ILF also ensures high continuous output, outstanding long-term stability and high continuous load and pulse capacity.

The ILF is designed for two different current ranges: ± 60 amperes und ± 30 amperes. The device is compatible with supply voltages of 3.3 V or 5 V. The pins of the ILF sensor consist of two load current contacts as well as four signal and supply communication contacts. Isabellenhütte designed the ILF to be a ready-to-use solution consisting of shunt and semiconductor technology in one-chip housing. The ILF is available in a compact IC housing with standard SOP20 dimensions. The current sensor is compatible with any A/D converters, and the circuit board mounting can be carried out automatically.


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