Featured patents

Flyback Power Converter With Multiple Outputs and a Secondary Side Post Regulator Thereof
US 08730688 B2, May 20, 2014, Having synchronous rectifier, Ta-Ching Hsu / Niko Semiconductor Co., Ltd. (New Taipei, TW)
A flyback power converter with multiple outputs, comprising:…

Quasi-Resonant Controlled Switching Regulator and the Method Thereof
US 08687387 B2, April 1, 2014, Having digital logic, Rui Wang et al. / Chengdu Monolithic Power Systems Co., Ltd. (Chengdu, CN)
A quasi-resonant controlled switching regulator comprising:…

Circuit to Improve Light Load Power Factor of Power Supply
US 08659919 B2, Feb. 25, 2014, Including means for reducing ripples from the output, Guichao Hua et al. / Inventronics (Hangzhou), Inc. (Hangzhou, CN
A circuit to improve the power factor of a power supply at light load…

Inverter for a Distributed Power Generator
US 08670249 B2, March 11, 2014, With means to introduce or eliminate frequency components, Praveen Jain et al. / SPARQ Systems Inc. (Kingston, ON, CA)
A circuit for use with an inverter and a distributed power generator, comprising:…

Semiconductor Device for DC-DC Converter Including High Side and Low Side Semiconductor Switches
US 08638577 B2, Jan. 28, 2014, Including short protection across a series-connected pair of transistors, Masaki Shiraishi et al. / Renesas Electronics Corporation (Kanagawa, JP)
A semiconductor device comprising:…

Contactless Interface
US 08611119 B2, Dec. 17, 2013, Transistor, Colin Bates / Inside Contactless S.A. (Aix-en-Provence Cedex, FR)
A circuit comprising:…

Power Supply Circuit and Method Thereof
US 08582328 B2, Nov. 12, 2013, Having feedback isolation, Wen-Hsuan Lin et al. / Novatek Microelectronics Corp. (Hsinchu, TW)
A power supply circuit for providing a power voltage to a back-stage circuit,…

Method and Device for Determining a Control Scheme for an Active Power Filter
US 08570776 B2, Oct. 29, 2013, In inverter systems, Per Ranstad et al. / ALSTOM Technology Ltd (Baden, CH)
A method for determining a control scheme for a neutral point clamped (NPC)…

Standby Operation of a Resonant Power Converter
US 08564977 B2, Oct. 22, 2013, For resonant-type converter, Hans Halberstadt / NXP B.V. (Eindhoven, NL)
A method of operating a resonant power converter under low-load conditions,…

Control Integrated Circuit With Combined Output and Input
US 08488353 B2, July 16, 2013, For bridge-type inverter, Thomas Ribarich / International Rectifier Corporation (El Segundo, US)
A control circuit for a voltage converter including a power switch for providing…

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