Featured patents

Capacitance Determination in a Switched Mode Power Supply
US 08854026 B2, Oct. 7, 2014, Digitally controlled, Matz Lenells et al. / Telefonaktiebolaget L M Ericsson (publ) (Stockholm, SE
A method of determining a measure of a total capacitance of one or more…

Circuit and Device for Increasing Power Supply Hold-Up Time
US 08872485 B1, Oct. 28, 2014, Using choke and switch across source, Steven F. Kung / Maxim Integrated Products, Inc. (San Jose, US)
A circuit for increasing DC power supply hold-up time comprising:…

Systems and Methods for Real Time Current Sense for a Switching Converter
US 08866464 B2, Oct. 21, 2014, With ramp generator or controlled capacitor charging, Scott E. Ragona et al. / Texas Instruments Incorporated (Dallas, US)
A power supply system comprising:…

Buck-Boost Converter With Improved Efficiency Operation
US 08860387 B2, Oct. 14, 2014, Having a winding in series with the source and load, Hidenori Kobayashi / Dialog Semiconductor GmbH (Kirchheim/Teck-Nabern, DE)
A method to achieve a buck-boost converter system having an improved efficiency,…

Method and Means to Combine Pulse Width Modulation Level Control, Full Resonance and Zero Voltage Switching for Switched Mode Power Supplies
US 08736245 B1, May 27, 2014, With plural condition sensing, Fred Whitney et al. / Lockheed Martin Corporation (Bethesda, US)
A method for operating a switching power supply comprising the steps of:…

Low Noise External Enable Switcher Control Signal Using On-Chip Switcher
US 08610423 B2, Dec. 17, 2013, Switched, Wei H. Yao et al. / Apple Inc. (Cupertino, US)
An electronic device, comprising:…

Power Generation Circuit for Generating and Storing Electric Power Utilizing Radio Wave Energy
US 08513927 B2, Aug. 20, 2013, Using choke and switch across source, Hidekuni Takao et al. / JP
A power generation circuit for generating and storing electric power utilizing…

Variable Voltage DC-DC Converter
US 08482267 B2, July 9, 2013, Switched, Ippei Noda / Ricoh Company, Ltd. (Tokyo, JP)
A DC-DC converter configured to vary an output voltage, comprising:…

Reverse Current Comparator for Switching Regulators
US 08482270 B2, July 9, 2013, With threshold detection, Robert Stephen Wrathall / Advanced Analogic Technologies Incorporated (Santa Clara, US)
A method for operating a switching regulator, the switching regulator including…

DC-DC Converter
US 08482272 B2, July 9, 2013, With plural condition sensing, Motonori Murase / Murata Manufacturing Co., Ltd. (Kyoto, JP)
A DC-DC converter comprising:…

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