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Automobile charger

DC
  • US 10,328,806 B2
  • Filed: 03/16/2018
  • Issued: 06/25/2019
  • Est. Priority Date: 04/28/2014
  • Status: Expired due to Fees
First Claim
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1. A charging device, comprising:

  • a battery connected to a voltage regulator, the battery supplying a charging current;

    a battery voltage detector, connected to a microcontroller, to detect a voltage of an automobile battery when the charging device is connected to an automobile;

    a load detector, connected to the microcontroller, to detect when the charging device is connected to the automobile battery;

    the microcontroller generating, when the charging device is connected to the automobile battery, an output signal based on a detected voltage of the automotive battery;

    switching circuitry including a plurality of MOSFETs to selectively connect a negative terminal of the battery to the automobile battery when the microcontroller generates the output signal; and

    a boost device for boosting a gate voltage of the plurality of MOSFETs.

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