Inventor
MATTHEWS DAVID MICHAEL HUGH
US114 patents
⚠️ This page may combine multiple inventors who share the name “MATTHEWS DAVID MICHAEL HUGH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POWER INTEGRATIONS INC
43 patentsUS6480399B2Nov 12, 2002
Switched mode power supply responsive to current derived from voltage across energy transfer element input
POWER INTEGRATIONS INC79 citations99
US6781357B2Aug 24, 2004
Method and apparatus for maintaining a constant load current with line voltage in a switch mode power supply
POWER INTEGRATIONS INC71 citations98
US7952895B2May 31, 2011
Method and apparatus for implementing an unregulated dormant mode in a power converter
POWER INTEGRATIONS INC40 citations96
US7301319B2Nov 27, 2007
Methods and apparatus for maintaining an approximate constant current output characteristic in a switched mode power supply
POWER INTEGRATIONS INC35 citations96
US7239119B2Jul 3, 2007
Method and apparatus to provide temporary peak power from a switching regulator
POWER INTEGRATIONS INC40 citations96
US7109696B2Sep 19, 2006
Method and apparatus for trimming current limit and frequency to maintain a constant maximum power
POWER INTEGRATIONS INC35 citations96
US7110270B2Sep 19, 2006
Method and apparatus for maintaining a constant load current with line voltage in a switch mode power supply
POWER INTEGRATIONS INC34 citations96
US6967472B2Nov 22, 2005
Method and apparatus for maintaining an approximate constant current output characteristic in a switched mode power supply
POWER INTEGRATIONS INC47 citations96
US6833692B2Dec 21, 2004
Method and apparatus for maintaining an approximate constant current output characteristic in a switched mode power supply
POWER INTEGRATIONS INC61 citations96
US6747443B2Jun 8, 2004
Method and apparatus for trimming current limit and frequency to maintain a constant maximum power
POWER INTEGRATIONS INC37 citations96
US9444357B1Sep 13, 2016
Active reduced voltage switching using secondary switch
POWER INTEGRATIONS INC28 citations94
US8369111B2Feb 5, 2013
Ultra low standby consumption in a high power power converter
POWER INTEGRATIONS INC40 citations94
US9742288B2Aug 22, 2017
Output-side controller with switching request at relaxation ring extremum
POWER INTEGRATIONS INC24 citations93
US9035435B2May 19, 2015
Magnetically coupled galvanically isolated communication using lead frame
POWER INTEGRATIONS INC22 citations93
US8976561B2Mar 10, 2015
Switch mode power converters using magnetically coupled galvanically isolated lead frame communication
POWER INTEGRATIONS INC23 citations93
US7760524B2Jul 20, 2010
Method and apparatus to reduce the volume required for bulk capacitance in a power supply
POWER INTEGRATIONS INC23 citations93
US7576528B2Aug 18, 2009
Control circuit responsive to an impedance
POWER INTEGRATIONS INC13 citations93
US7489120B2Feb 10, 2009
Method and apparatus for a high voltage power supply circuit
POWER INTEGRATIONS INC24 citations93
US7425834B2Sep 16, 2008
Method and apparatus to select a parameter/mode based on a time measurement
POWER INTEGRATIONS INC22 citations93
US7388360B2Jun 17, 2008
Method and apparatus to provide temporary peak power from a switching regulator
POWER INTEGRATIONS INC14 citations93
US7345462B2Mar 18, 2008
Method and apparatus for trimming current limit and frequency to maintain a constant maximum power
POWER INTEGRATIONS INC27 citations93
US7215105B2May 8, 2007
Method and apparatus for maintaining a constant load current with line voltage in a switch mode power supply
POWER INTEGRATIONS INC23 citations93
US6995986B2Feb 7, 2006
Switched mode power supply responsive to current derived from voltage across energy transfer element input
POWER INTEGRATIONS INC11 citations93
US6992471B2Jan 31, 2006
Method and apparatus for trimming current limit and frequency to maintain a constant maximum power
POWER INTEGRATIONS INC25 citations93
US6882134B2Apr 19, 2005
Method and apparatus for trimming current limit and frequency to maintain a constant maximum power
POWER INTEGRATIONS INC25 citations93
US6754089B2Jun 22, 2004
Switched mode power supply responsive to current derived from voltage across energy transfer element input
POWER INTEGRATIONS INC22 citations93
US6597586B2Jul 22, 2003
Switched mode power supply responsive to current derived from voltage across energy transfer element input
POWER INTEGRATIONS INC16 citations93
US9735665B2Aug 15, 2017
Method and apparatus for implementing a power converter input terminal voltage discharge circuit
POWER INTEGRATIONS INC10 citations92
US8385088B2Feb 26, 2013
Method and apparatus for implementing an unregulated dormant mode with output reset in a power converter
POWER INTEGRATIONS INC20 citations92
US10361632B2Jul 23, 2019
Magnetically coupled galvanically isolated communication using lead frame
POWER INTEGRATIONS INC3 citations84
US10153687B2Dec 11, 2018
Method and apparatus for implementing a power converter input terminal voltage discharge circuit
POWER INTEGRATIONS INC4 citations84
US10079543B2Sep 18, 2018
Magnetically coupled galvanically isolated communication using lead frame
POWER INTEGRATIONS INC4 citations84
US10033284B2Jul 24, 2018
Power supply with power factor correction and output-referenced energy reservoir
POWER INTEGRATIONS INC14 citations84
US9774248B2Sep 26, 2017
Introducing jitter to a switching frequency by way of modulating current limit
POWER INTEGRATIONS INC10 citations84
US9331004B2May 3, 2016
Magnetically coupled galvanically isolated communication using lead frame
POWER INTEGRATIONS INC7 citations84
US9275946B2Mar 1, 2016
Switch mode power converters using magnetically coupled galvanically isolated lead frame communication
POWER INTEGRATIONS INC12 citations84
US9166486B2Oct 20, 2015
Power converter using multiple controllers
POWER INTEGRATIONS INC11 citations84
US9019728B2Apr 28, 2015
Power converter output voltage clamp and supply terminal
POWER INTEGRATIONS INC9 citations84
US8818296B2Aug 26, 2014
Noise cancellation for a magnetically coupled communication link utilizing a lead frame
POWER INTEGRATIONS INC11 citations84
US7898826B2Mar 1, 2011
Method and apparatus for limiting maximum output power of a power converter
POWER INTEGRATIONS INC12 citations84
US7855540B2Dec 21, 2010
Method and apparatus for a high voltage power supply circuit
POWER INTEGRATIONS INC9 citations84
US7804305B2Sep 28, 2010
Method and apparatus to select a parameter/mode using a capacitor of a feedback loop of the power supply
POWER INTEGRATIONS INC11 citations84
US7453710B2Nov 18, 2008
Transformerless safety isolation in a power supply using safety capacitors for galvanic isolation
POWER INTEGRATIONS INC13 citations83
GAKNOKI YURY
2 patentsBALAKRISHNAN BALU
2 patentsMATTHEWS DAVID MICHAEL HUGH
2 patentsUS8519693B2Aug 27, 2013
Method and apparatus for implementing an unregulated dormant mode in a power converter
MATTHEWS DAVID MICHAEL HUGH13 citations92
US8159839B2Apr 17, 2012
Method and apparatus for implementing an unregulated dormant mode in a power converter
MATTHEWS DAVID MICHAEL HUGH10 citations84
POWER INTERGRATIONS INC
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