Power converter using near-load output capacitance, direct inductor contact, and/or remote current sense

Title: Power converter using near-load output capacitance, direct inductor contact, and/or remote current sense

An apparatus includes a first circuit board including first components including a load, and a second circuit board including second components including switching power devices and an output inductor. Ground and output voltage contacts between the circuit boards are made through soldered or connectorized interfaces. Certain components on the first circuit board and certain components, including the output inductor, on the second circuit board act as a DC-DC voltage converter for the load. An output capacitance for the conversion is on the first circuit board with no board-to-board interface between the output capacitance and the load. The inductance of the board-to-board interface functions as part of the output inductor's inductance and not as a parasitic inductance. Sense components for sensing current through the output inductor are located on the first circuit board. Parasitic inductance of the board-to-board interface has less effect on a sense signal provided to a controller.

Inventors:: Coteus, Paul W.; Ferencz, Andrew; Hall, Shawn A.; Takken, Todd E.; Tian, Shurong; Zhang, Xin

Issue Date:: 2017-11-28

OSTI Identifier:: 1410510

Assignee:: International Business Machines Corporation (Armonk, NY) OSTI

Patent Number(s):: 9,831,783

Application Number:: 14/983,700

Contract Number:: B604142

Resource Relation:: Patent File Date: 2015 Dec 30

Research Org:: International Business Machines Corporation, Armonk, NY (United States)

Sponsoring Org:: USDOE

Country of Publication:: United States

Language:: English

Subject:: 42 ENGINEERING; 24 POWER TRANSMISSION AND DISTRIBUTION

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