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Magnetic-based Sensing
This method utilizes Amber’s lowAmper’s law. When the current passes through a conductor, it generates a magnetic field. The magnetic field is proportional to the current passing through the primary conductor and produces a voltage across the other conductor. However, this method is vulnerable to magnetic interference which affects the offset and linearity performance. The inherent isolation between the two systems is the main advantage of this method. It also has very low power loss and can support high voltages. Mainly, there are two types: in-package and module sensors.
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