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

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

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

Abstract

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

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

Sponsoring Org.:: USDOE

OSTI Identifier:: 1410510

Patent Number(s):: 9831783

Application Number:: 14/983,700

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

Patent Classifications (CPCs):: H - ELECTRICITY H02 - GENERATION H02M - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS

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H - ELECTRICITY H02 - GENERATION H02M - APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS
H02M2001/0009 - {Devices and circuits for detecting current in a converter}
H02M3/33546 - {with automatic control of the output voltage or current
H02M3/00 - Conversion of dc power input into dc power output

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DOE Contract Number:: B604142

Resource Type:: Patent

Resource Relation:: Patent File Date: 2015 Dec 30

Country of Publication:: United States

Language:: English

Subject:: 42 ENGINEERING; 24 POWER TRANSMISSION AND DISTRIBUTION

Citation Formats


                    Coteus, Paul W., Ferencz, Andrew, Hall, Shawn A., Takken, Todd E., Tian, Shurong, and Zhang, Xin. Power converter using near-load output capacitance, direct inductor contact, and/or remote current sense.  United States: N. p., 2017. 
        Web.

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                    Coteus, Paul W., Ferencz, Andrew, Hall, Shawn A., Takken, Todd E., Tian, Shurong, & Zhang, Xin. Power converter using near-load output capacitance, direct inductor contact, and/or remote current sense.  United States.

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                    Coteus, Paul W., Ferencz, Andrew, Hall, Shawn A., Takken, Todd E., Tian, Shurong, and Zhang, Xin. Tue .  
        "Power converter using near-load output capacitance, direct inductor contact, and/or remote current sense".  United States.  https://www.osti.gov/servlets/purl/1410510.

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@article{osti_1410510,

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

  author       = {Coteus, Paul W. and Ferencz, Andrew and Hall, Shawn A. and Takken, Todd E. and Tian, Shurong and Zhang, Xin},

  abstractNote = {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.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {2017},

  month        = {11}

}

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Works referenced in this record:

Switching Loss Analysis Considering Parasitic Loop Inductance With Current Source Drivers for Buck Converters
journal, July 2011

Zhang, Zhiliang; Fu, Jizhen; Liu, Yan-Fei
IEEE Transactions on Power Electronics, Vol. 26, Issue 7, p. 1815-1819
https://doi.org/10.1109/TPEL.2010.2096476

Parasitic inductance effect on switching losses for a high frequency Dc-Dc converter
conference, February 2008

Meade, Thomas; O'Sullivan, Dara; Foley, Raymond
Applied Power Electronics Conference and Exposition, 2008. APEC 2008. Twenty-Third Annual IEEE
https://doi.org/10.1109/APEC.2008.4522692

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

Abstract

Citation Formats

Switching Loss Analysis Considering Parasitic Loop Inductance With Current Source Drivers for Buck Converters journal, July 2011

Parasitic inductance effect on switching losses for a high frequency Dc-Dc converter conference, February 2008

Switching Loss Analysis Considering Parasitic Loop Inductance With Current Source Drivers for Buck Converters
journal, July 2011

Parasitic inductance effect on switching losses for a high frequency Dc-Dc converter
conference, February 2008