Patent ID: 8456142
Filing Date: 2013-06-04
Classification: H02J,Y02B,Y04S

Abstract:
1. An information handling system comprising: plural components operable to process information; a chipset interfaced with the plural components and operable to coordinate interactions of the plural components; a power supply operable to provide power to the plural components and the chipset; a voltage regulator controller interfaced with the power supply and operable to supply power to the chipset, the voltage regulator controller having first and second buck circuits that output first and second phases, the first phase interfaced with a first power rail to provide power to the chipset in a first power state, the second phase interfaced with a second power rail to provide power to the chipset in a second power state; and a switch disposed between the first and second power rails, the switch operable to interface the first and second power rails with each other when the first phase and the second phase are active and disconnect the first and second power rails from each other when only the first phase is active.