Importance

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Abstract

A bi-directionally load current driving circuit is disclosed. The bi-directionally load current driving circuit comprises a voltage source; a bridge circuit comprising a first switch, a second switch, a third switch, a fourth switch, a first output terminal, and a second output terminal, wherein said first output terminal and said second output terminal are connected to a load; a first power controller comprising a first input terminal, a second input terminal, and an output terminal electrically connected to an input terminal of said first switch; a second power controller comprising a first input terminal, a second input terminal, and an output terminal electrically connected to an input terminal of said second switch; a third power controller comprising a first input terminal, a second input terminal, and an output terminal electrically connected to an input terminal of said third switch; a fourth power controller comprising a first input terminal, a second input terminal, and an output terminal electrically connected to an input terminal of said fourth switch; a plurality of feedback networks comprising a control voltage in which said plurality of feedback networks connected to said first power controller, said second power controller, said third power controller, and said fourth power controller such that a current flowing through the load is proportional to said control voltage.

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First Claim