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POWER SUPPLY APPARATUS OF HOME APPLIANCE

  • US 20130200829A1
  • Filed: 02/01/2013
  • Published: 08/08/2013
  • Est. Priority Date: 02/03/2012
  • Status: Active Grant
First Claim
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1. A power supply apparatus of a home appliance, comprising:

  • a power line to supply alternating current (AC) power from an AC power source;

    first and second rectifiers, each of the first and second rectifiers rectifying the supplied AC power;

    a main relay connected to an input of the first rectifier to switch the AC power to the first rectifier;

    a switching mode power supply (SMPS) connected to an output of the second rectifier to generate a direct current (DC) voltage for driving the home appliance based on a rectified voltage from the second rectifier; and

    a load switch connected to an output of the SMPS to switch the DC voltage from the SMPS.

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