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COMPUTER SYSTEM POWER SOURCE WITH IMPROVED LIGHT-LOAD EFFICIENCY

  • US 20080307242A1
  • Filed: 10/04/2007
  • Published: 12/11/2008
  • Est. Priority Date: 06/05/2007
  • Status: Active Grant
First Claim
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1. An apparatus that supplies power in a computer system, comprising:

  • a power adapter coupled to a source of electrical power;

    a set of power consumers coupled to a power bus in the computer system;

    a full-power mechanism coupled between the power adapter and the power bus, wherein the full-power mechanism supplies power for the power consumers while the computer system is operating in a full-power mode; and

    a low-power mechanism coupled between the power adapter and the power bus in parallel with the power mechanism, wherein the low-power mechanism supplies power for the power consumers while the computer system is in operating in a low-power mode.

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