Patent ID: 8276000
Filing Date: 2012-09-25
Classification: H02J,Y02B,Y04S

Abstract:
1. A system, comprising: plural power supplies, each including an input converter, an output converter and a standby converter, each configured to have its output converter connected to a load, and each configured to operate in at least an online mode in which the input, output and standby converters are enabled for switching, and a deep sleep mode in which the input, output and standby converters are disabled from switching; and a system controller configured to place a first set of the plural power supplies in the online mode and a second set of the plural power supplies in the deep sleep mode while the load is operating and the power supplies in the first set are supplying power to the load; a mode control circuitry in each of the power supplies for changing the mode of the power supplies from the online mode to the deep sleep mode and vice versa; wherein: