Efficient integrated switching voltage regulator
AssigneeIntel Corporation
InventorsGregory Sizikov, Michael Zelikson, Efraim Rotem, Eyal Fayneh
Life of this patent
Estimating the term…
Abstract
Described herein is an integrated circuit which comprises: a switching voltage regulator (SVR), having one or more bridge drivers, to provide regulated power supply to a plurality of power domains; and a power control unit (PCU) operable to adjust switching frequencies of the SVR according to states of the plurality of power domains, wherein drive strength or active phase count of the one or more bridge drivers is also adjusted by a logic unit of the SVR when the switching frequencies of the SVR are adjusted.
Claims32
An integrated circuit comprising:
- a switching voltage regulator (SVR), having one or more bridge drivers, to provide regulated power supply to a plurality of power domains;
- and
- a power control unit (PCU) operable to adjust switching frequencies of the SVR according to states of the plurality of power domains, wherein drive strength or active phase count of the one or more bridge drivers is also adjusted by a logic unit of the SVR when the switching frequencies of the SVR are adjusted.
A computer system comprising:
- a memory;
- a processor coupled to the memory, the processor including:
- a switching voltage regulator (SVR), having one or more bridge drivers, to provide regulated power supply to a plurality of power domains;
- and
- a power control unit (PCU) operable to adjust switching frequencies of the SVR according to states of the plurality of power domains, wherein drive strength or active phase count of the one or more bridge drivers is also adjusted by a logic unit of the SVR when the switching frequencies of the SVR is adjusted;
- and
- a wireless interface for communicatively coupling the processor with other devices.
A voltage regulator integrated in a processor comprising:
- a switch matrix operable to generate a pulse width modulated signal;
- and
- a phase slope shaper to generate a first signal, having multiple phases, for controlling switches of the switch matrix, the phase slope shaper operable to adjust slope of the first signal according to a frequency of a periodic signal.
Dependencies are inferred from the claim text.