High side current monitor for accurate current measurement

1 June 2005 Power Electronics / Power Management

The IXI848 high side current monitor, part of a future family of signal interface products from Ixys, is an integrated circuit incorporating a precision amplifier with adjustable gain and level shift features. The IXI848 provides the system designer with the ability to measure current signals in a high side current path, enabling signal measurement outside of the ground signal path in power electronic circuits.

The IXI848 is a versatile precision amplifier, allowing current sensor signal amplification and level translation to a ground reference level with a selectable gain of 10X or 50X. By selection of the current sense element and the signal gain, a large range of current signals can be measured with an accuracy of 0,7% typical for a full scale signal. The input voltage covers a wide range of 2,7 V to 40,0 V.

The IXI848 comes in a small 8-lead SOIC surface mount package, with rated operation of -40 to +85°C.

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