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HIGH SIDE CURRENT MONITORING APPARATUS

  • US 20160320433A1
  • Filed: 12/02/2015
  • Published: 11/03/2016
  • Est. Priority Date: 04/29/2015
  • Status: Active Application
First Claim
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1. A high side current monitoring apparatus applied to an input high voltage status to monitor a load current flowing into a load apparatus, the high side current monitoring apparatus comprising:

  • a current mirror unit generating a mirrored current and outputting the mirrored current according to the load current;

    an active high voltage unit electrically connected to the current mirror unit and receiving the mirrored current;

    a bias unit electrically connected to the active high voltage unit, so that the active high voltage unit works in a linear area under the input high voltage status; and

    a voltage detection unit generating a voltage detection signal according to the mirrored current,wherein according to the voltage detection signal, the load current is calculated.

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