| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 01/06/2011 | US20110002445 Dc/ac power inverter control unit of a resonant power converter circuit, in particular a dc/dc converter for use in a high-voltage generator circuitry of a modern computed tomography device or x-ray radiographic system |
| 01/06/2011 | US20110002147 Switching power supply apparatus and semiconductor device for switching power supply regulation |
| 01/06/2011 | US20110002146 Multiple output switching power source apparatus |
| 01/06/2011 | US20110002145 Method of operating a resonant power converter and a controller therefor |
| 01/06/2011 | US20110001609 Sample carrier device incorporating radio frequency identification, and method |
| 01/06/2011 | US20110001189 Power Semiconductor Devices Having Termination Structures |
| 01/05/2011 | EP2270967A1 System and method for providing electric power to a submerged load |
| 01/05/2011 | EP2270966A1 DC/DC convertor with ancillary convertor for earth current compensation |
| 01/05/2011 | EP2270965A1 Method and apparatus for maintaining a constant load current with line voltage in a switch mode power supply |
| 01/05/2011 | EP2270964A1 Method of controlling a power factor correction stage, a power factor correction stage and a controller therefor |
| 01/05/2011 | EP2269293A1 Method of operating a resonant power converter and a controller therefor |
| 01/05/2011 | EP2269292A1 Power converter |
| 01/05/2011 | EP2269291A1 Self-oscillating switched mode converter with valley detection |
| 01/05/2011 | EP2269290A2 Switch mode converter including akctive clamp for achieving zero voltage switching |
| 01/05/2011 | EP2165408B1 Multi-output synchronous flyback converter |
| 01/05/2011 | DE102009024590A1 Inverter circuit, has inductive and capacitive components attached to common ground potential, where connection point of inductive component is connected with output of electronic switch by another electronic switch |
| 01/05/2011 | CN201699602U High power single circuit inverse soft switch arc welding power source |
| 01/05/2011 | CN201699598U Switch power adapter |
| 01/05/2011 | CN201699597U Multi-valued direct-current power circuit adopting capacitive voltage reduction |
| 01/05/2011 | CN201699592U Adjustable current-stabilizing type positive output electric breakdown high voltage module power supply |
| 01/05/2011 | CN201699591U Current-stabilizing and isolating modular laser power supply |
| 01/05/2011 | CN201699590U Positive output fixed steady flow type electric breakdown high-voltage module power supply |
| 01/05/2011 | CN201699589U Current feeding three-inducer boost converter with delta-star connection type high-frequency transformer |
| 01/05/2011 | CN201699588U High-gain DC converter of high-frequency transformer with delta-shaped and Y-shaped winding coupling |
| 01/05/2011 | CN201699587U Isolated fixed symmetrical high voltage outputting module power source |
| 01/05/2011 | CN201699586U Miniature two-circuit positive and negative output high-voltage module power supply |
| 01/05/2011 | CN201699585U Novel intelligent voltage stabilizing circuit |
| 01/05/2011 | CN201699584U High efficiency step-up converter for solar distributed power generation |
| 01/05/2011 | CN201699583U Topological structure of voltage boosting and reducing chopper circuit |
| 01/05/2011 | CN201699582U Voltage reduction circuit |
| 01/05/2011 | CN201699581U Power supply changeover equipment and automobile |
| 01/05/2011 | CN201699431U Electric supply circuit with wide input voltage range |
| 01/05/2011 | CN101939900A Envelope tracking power supply circuit and high-frequency amplifier including the same |
| 01/05/2011 | CN101939899A Methods and systems for control of switches in power regulators/power amplifiers |
| 01/05/2011 | CN101938219A Low energy transfer mode for auxiliary power supply operation in a cascaded switching power converter |
| 01/05/2011 | CN101938214A Internal oscillator module with self-delay protection function |
| 01/05/2011 | CN101938213A Power failure identification switch |
| 01/05/2011 | CN101938212A Low-voltage start-up circuit and boost converter |
| 01/05/2011 | CN101937014A Adaptive current detection circuit applied to wide-conversion ratio boost converter |
| 01/05/2011 | CN101582647B High-accuracy pulse/direct current digital power of ionic accelerator |
| 01/05/2011 | CN101534059B Single-isolation pressure increase and reduction type multi-input direct current converter |
| 01/05/2011 | CN101505108B Synchronous rectifying control device and forward type synchronous rectification circuit |
| 01/05/2011 | CN101505093B Multipath output electrical power suitable for space environment |
| 01/05/2011 | CN101505067B Hard disk power supply system, hard disk switching board and a method for hard disk power supply |
| 01/05/2011 | CN101494418B Synchronous commutation control device and forward type synchronous commutation circuit |
| 01/05/2011 | CN101466201B Device for discarding and blowing printed circuit board |
| 01/05/2011 | CN101295926B Magnetic integration Vcc power module control method without electrochemical capacitor |
| 01/05/2011 | CN101277068B Synchronization regulation power supply convertor and synchronization regulation circuit |
| 01/04/2011 | US7864554 Circuit for reducing the variations of auto-supply voltage of a control circuit of a switching power supply |
| 01/04/2011 | US7864553 Power supply circuit and portable device |
| 01/04/2011 | US7864550 Power adapter with voltage-stabilized compensation |
| 01/04/2011 | US7864549 Zero voltage switching coupled inductor boost power converters |
| 01/04/2011 | US7864548 Synchronous rectifier control device and forward synchronous rectifier circuit |
| 01/04/2011 | US7864547 Power supply module adapted to power a control circuit of a switching mode power supply |
| 01/04/2011 | US7864546 DC-DC converter with communication across an isolation pathway |
| 01/04/2011 | US7864016 Method for making magnetic components with N-phase coupling, and related inductor structures |
| 01/04/2011 | US7863969 Power supply voltage dropping circuit using an N-channel transistor output stage |
| 01/04/2011 | US7863880 Adaptive control loop |
| 01/04/2011 | US7863770 Power supply equipment for simultaneously providing operating voltages to a plurality of devices |
| 01/04/2011 | US7863756 Semiconductor device |
| 12/30/2010 | US20100328972 Voltage converter circuit and method for a clock supply of energy to an energy storage |
| 12/30/2010 | US20100328971 Boundary mode coupled inductor boost power converter |
| 12/30/2010 | US20100328970 Single-stage high-voltage power supply with high efficiency and low network distortion |
| 12/30/2010 | US20100328969 Resonant power converter comprising a matched piezoelectric transformer |
| 12/30/2010 | US20100328968 Multi-phase resonant converter and method of controlling it |
| 12/30/2010 | US20100328967 Resonant power converter |
| 12/30/2010 | US20100327813 Power management topologies |
| 12/30/2010 | US20100327765 Low energy transfer mode for auxiliary power supply operation in a cascaded switching power converter |
| 12/30/2010 | DE112008003369T5 Sanftschaltender Stromwandler Soft switching-type current transformer |
| 12/30/2010 | DE112008002108T5 Verbesserung des Wirkungsgrads von Leistungswandlung unter Verwendung von dynamischer Lastdetektion und Tracking Improving the efficiency of power conversion using dynamic load detection and tracking |
| 12/30/2010 | DE102009030406A1 Circuit arrangement for connecting maximum power point power source to power supply network of motor vehicle, has electronic switch, diode and inductor for controllably connecting power source with network in different power ranges |
| 12/30/2010 | DE102009024160A1 Elektronische Vorrichtung und Verfahren zur DC-DC-Umwandlung Electronic device and method for DC-DC conversion |
| 12/30/2010 | DE102005037004B4 Beleuchtungseinrichtung für Beleuchtungslichtquelle Illumination means for illuminating light source |
| 12/29/2010 | WO2010151884A2 Boundary mode coupled inductor boost power converter |
| 12/29/2010 | WO2010150488A1 Power supply protection circuit and motor drive device provided with same |
| 12/29/2010 | WO2010150427A1 Electric power conversion device |
| 12/29/2010 | WO2010150338A1 Converter control device |
| 12/29/2010 | WO2010150139A1 Circuit arrangement for power distribution in a motor vehicle |
| 12/29/2010 | WO2010149234A1 Capacitance determination in a switched mode power supply |
| 12/29/2010 | WO2010110688A3 Standart atx format computer power supply unit of the llc resonant type with synchronous rectifier |
| 12/29/2010 | EP2267879A2 Latch-off of synchronous rectification for light load control |
| 12/29/2010 | EP2267878A1 Device and method for controlling power conversion circuit |
| 12/29/2010 | EP2267877A1 Supply voltage independent quick recovery regulator clamp |
| 12/29/2010 | EP2267572A1 Solar array regulator based on step-up and down conversion and solar power system comprising the same |
| 12/29/2010 | EP2266197A2 Method and apparatus for a leakage energy recovery circuit |
| 12/29/2010 | EP1508078B1 Voltage regulator with dynamically boosted bias current |
| 12/29/2010 | CN201690655U Flyback road lamp illuminating LED constant-current driving power supply with intelligent dimming function |
| 12/29/2010 | CN201690649U Energy-saving lamp constant-voltage matching device for solar street lamp and solar street lamp |
| 12/29/2010 | CN201690372U Inverter |
| 12/29/2010 | CN201690369U Assembling structure of power switch element and filter circuit |
| 12/29/2010 | CN201690365U Topology circuit with adjustable structure and used for converter |
| 12/29/2010 | CN201690364U Circuit for preventing current flowing backwards |
| 12/29/2010 | CN201690363U Electronic power supply circuit used on high-power programmable control DC motor driven pump |
| 12/29/2010 | CN201690362U Flow equalizing circuit for parallel connection of power supplies |
| 12/29/2010 | CN201690361U High-voltage resistant power circuit for motorcycle meter |
| 12/29/2010 | CN201690278U Power supply circuit |
| 12/29/2010 | CN201690268U Wind-light complementary control inverter for cool house |
| 12/29/2010 | CN1700572B Power supply apparatus provided with regulation function |
| 12/29/2010 | CN101933233A Oscillation frequency control circuit, and DC-DC converter and semiconductor device having the same |
| 12/29/2010 | CN101933218A Method for operating a dc-dc converter |