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US 8,264,073 B2Granted
Multi-phase voltage regulation module
AssigneeInternational Rectifier Corporation
InventorMartin Standing
Life of this patent
Estimating the term…
Abstract
A voltage regulator module that includes components for a multi-phase converter, the converter including a plurality of power stage elements on one circuit board, a control element, driver elements, and elements for the output stages of the power stage elements on another circuit board.
Claims20
A power module, comprising:
- a first circuit board;
- a second circuit board comprising a first surface and a second surface that is opposite said first surface and that is scored to slow heat transfer;
- and a multi-phase converter circuit that includes a controller and a plurality of converter circuits, each converter circuit including a power stage, an output stage, a driver stage;
- wherein said power stages reside on said first surface of said second circuit board, said power stages residing between said first and second circuit boards;
- and wherein said controller, said output stages and said drivers reside on said first circuit board.
2 more elements
A power module, comprising:
- a first circuit board comprising a first surface and a second surface opposite said first surface;
- a heat spreader disposed on said first surface of said first circuit board;
- a second circuit board comprising a first surface and a second surface that is opposite said first surface and that is scored to slow heat transfer;
- and a multi-phase converter circuit comprising a controller and a plurality of converter circuits, each of said plurality of converter circuits comprising a power stage, an output stage, and a driver stage;
- wherein said power stages reside on said first surface of said second circuit board, said power stages residing between said first and second circuit boards;
- wherein said controller, said output stages, and said drivers reside on said first surface of said first circuit board;
- and wherein each of said output stages comprise an inductor that faces said first surface of said first circuit board, said heat spreader coupled to an interior surface of each inductor.
4 more elements
Dependencies are inferred from the claim text.