Patent ID: 9106226
Filing Date: 2015-08-11
Classification: H03K

Abstract:
1. A power switching apparatus comprising a power switching circuit arrangement, the power switching circuit arrangement comprising: an input connectable to a power supply; a first output connectable to a load; a second output arranged to provide a sense current depending on a load current flowing through said load; a power switching device; a sense device; and a difference amplification device comprising a current sense feedback loop, coupled to the at least one amplifier output, and arranged to reduce a difference of potentials between said first and said second amplifier input, wherein a first terminal of said power switching device and a first terminal of said sense device are connected to said input, and a second terminal of said power switching device and a second terminal of said sense device are coupled to a first cross-coupling switching module, the first cross-coupling switching module is arranged to connect, depending on a mode signal,