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POWER SWITCH OVER CURRENT PROTECTION SYSTEM

  • US 20200136601A1
  • Filed: 10/25/2018
  • Published: 04/30/2020
  • Est. Priority Date: 10/25/2018
  • Status: Active Grant
First Claim
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1. A power switch over current protection system, comprising:

  • a power switch transistor configured to deliver a power current from a power source to power load;

    a power switch driver configured to control and on/off state of the power switch;

    an over current protection (OCP) circuit to detect a threshold value of the power current;

    a discharge transistor configured to discharge a parasitic capacitance of the power switch transistor; and

    a system state machine to receive a signal from the OCP circuit configured to control an action of the power switch driver and discharge transistor depending on the level of the power current.

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