G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 1/32 (2006.01) H02M 1/00 (2007.10) H02M 3/00 (2006.01)
Patent
CA 2761979
A method and circuit for reducing power consumption during idle mode to ultra-low levels, such as 1/10th to 1/1000th of active power, is disclosed. An ultra-low idle power supply may include a primary circuit, a secondary circuit, a switch, and a feedback channel. The secondary circuit is in communication with the primary circuit, and in addition provides feedback to the primary circuit via the feedback channel. The switch receives feedback through the feedback channel and controls the state of the primary circuit. The secondary circuit monitors the output power provided to the electronic device. If the electronic device is drawing little or no power from the ultra-low idle power supply, the secondary circuit facilitates disengaging of the primary circuit. By disengaging the primary circuit, the power consumption of the ultra-low idle power supply is reduced.
L'invention concerne un procédé et un circuit permettant de réduire la consommation électrique pendant un mode de veille à des niveaux ultra faibles, tels que 1/10 à 1000e de la puissance active. Une alimentation électrique de veille ultra faible peut comprendre un circuit principal, un circuit auxiliaire, un commutateur et un canal de rétroaction. Le circuit auxiliaire est en communication avec le circuit principal et fournit par ailleurs une rétroaction au circuit principal via le canal de rétroaction. Le commutateur reçoit la rétroaction par le canal de rétroaction et commande l'état du circuit principal. Le circuit auxiliaire surveille la puissance de sortie fournie au dispositif électronique. Si ce dispositif électronique consomme peu ou pas de puissance en provenance de l'alimentation électrique de veille ultra faible, le circuit auxiliaire facilite une neutralisation du circuit principal. En neutralisant le circuit principal, la consommation électrique de l'alimentation électrique de veille ultra faible est réduite.
Gowling Lafleur Henderson Llp
Igo Inc.
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