Apparatus, system, and method for an integrated power supply...

Details Apparatus, system, and method for an integrated power supply... Apparatus, system, and method for an integrated power supply...

2011-07-12

2011-07-12

Phan, Raymond N (Department: 2111)

Electrical computers and digital processing systems: support

Computer power control

Power conservation

C713S320000, C713S340000

Reexamination Certificate

active

07979727

ABSTRACT:
An apparatus, system, and method are disclosed for a power supply that is efficient in both high and low power conditions. An integrated power supply regulates current on a regulated bus to maintain a regulated bus voltage under varying load conditions. The integrated power supply includes a first power supply rated to provide full load power to the load and second power supply rated to provide power at levels below a minimum power threshold. The second power supply includes switching elements that have lower switching losses than switching elements of the first power supply. A sensing module measures power. A switching module starts up the second power supply and shuts down the first power supply if the measured power falls below the minimum power threshold, and starts up the first power supply and shuts down the second power supply if the measured power rises above the minimum power threshold.

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