| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 02/22/2012 | CN102361401A High-efficiency direct-current transformer circuit based on insulated gate bipolar transistor and pulse width modulation technology |
| 02/22/2012 | CN102361400A Power constant current source and application of multi-silicon switching tube |
| 02/22/2012 | CN102361399A Power supply device of thin film transistor liquid crystal display |
| 02/22/2012 | CN102361398A Direct-current power supply system |
| 02/22/2012 | CN102360541A Power switching circuit |
| 02/22/2012 | CN101741259B 双向直流变换器 Bi-directional DC-DC converter |
| 02/22/2012 | CN101707370B 补充电源系统 Supplemental power system |
| 02/22/2012 | CN101515754B 电压转换器 Voltage converter |
| 02/22/2012 | CN101325197B 具有共同封装的肖特基二极管的高压高功率升压变换器 Schottky diodes have a co-packaged high-voltage high-power boost converter |
| 02/21/2012 | US8120934 Voltage converter and method for voltage conversion |
| 02/21/2012 | US8120931 Power converter with control circuit and related control method |
| 02/21/2012 | US8120930 Rush current reduction circuit and electric appliance |
| 02/21/2012 | US8120413 Charge pump circuit |
| 02/21/2012 | US8120312 Power management topologies to control power between a DC power source and one or more batteries to a system load |
| 02/18/2012 | CA2713473A1 Device and method for providing power to a microcontroller |
| 02/16/2012 | WO2012020921A2 Switching power converter using counter electromotive force |
| 02/16/2012 | WO2012020148A1 Management system for variable-resource energy generation systems |
| 02/16/2012 | WO2012020144A2 Switch mode power supply for envelope tracking |
| 02/16/2012 | WO2012019563A1 Power management integrated circuit and control method thereof |
| 02/16/2012 | WO2011158073A3 Manufacturing method for chopper circuit, chopper circuit, dc/dc converter, fuel cell system, and control method |
| 02/16/2012 | US20120039098 Controller for a Power Converter and Method of Operating the Same |
| 02/16/2012 | US20120039097 Method and apparatus for sensing multiple voltage values from a single terminal of a power converter controller |
| 02/16/2012 | US20120039096 High Voltage Startup Circuit |
| 02/16/2012 | US20120039095 Boost converter |
| 02/16/2012 | US20120039094 Interleaved type power factor correction circuit having transformer forming separated winding structure |
| 02/16/2012 | US20120039093 Systems and methods for off-time control in a voltage converter |
| 02/16/2012 | US20120039092 Current-input-type parallel resonant dc/dc converter and method thereof |
| 02/16/2012 | DE102011105519A1 Reverse current limit protection for active clamp converters Reverse current limit protection for active clamp converters |
| 02/16/2012 | DE102011079514A1 System und Verfahren zum Steuern der Ausgangsspannung einer Stromversorgung System and method for controlling the output voltage of a power supply |
| 02/16/2012 | DE102010034079A1 Electrical control device for controlling power supply to LEDs of lighting device that is utilized for general lighting purposes, has switching converter comprising set of inductors that comprises common magnetic core |
| 02/16/2012 | CA2808413A1 Management system for variable resource energy generation systems |
| 02/15/2012 | EP2418763A2 DC-DC converter |
| 02/15/2012 | EP2418762A2 Switching mode power supply and method of controlling the same |
| 02/15/2012 | EP2417697A1 Method and circuit for avoiding hard switching in resonant converters |
| 02/15/2012 | EP2103194B1 Lamp driver for operating a gas discharge lamp |
| 02/15/2012 | CN202145623U 一种井下定向探管的储能与电源变换装置 Energy storage and power conversion apparatus of downhole directional probe |
| 02/15/2012 | CN202145619U 双向dc/dc变换器 Bidirectional dc / dc converter |
| 02/15/2012 | CN202145618U 双向dc/dc变换器 Bidirectional dc / dc converter |
| 02/15/2012 | CN102356538A Semiconductor apparatus and method of controlling operation thereof |
| 02/15/2012 | CN102356537A Pfc converter |
| 02/15/2012 | CN102356536A Passive differential voltage doubler |
| 02/15/2012 | CN102355165A Photovoltaic power generation device with global maximum power output function |
| 02/15/2012 | CN102355147A Digital control device and method for LLC (logical link control) synchronously-rectified resonant converter |
| 02/15/2012 | CN102355136A Control method and control circuit for controlling output current of converter |
| 02/15/2012 | CN102355135A Power converter and power supply supply circuit |
| 02/15/2012 | CN102355134A Switch change-over circuit and method |
| 02/15/2012 | CN102355133A High-voltage power supply circuit with wide-range input and multi-path isolated output |
| 02/15/2012 | CN102355132A Switching voltage doubling rectifier circuit with low-voltage input/high-voltage output in discontinued current mode |
| 02/15/2012 | CN102355131A Hybrid control method and device of four-switch Buck-Boost converter |
| 02/15/2012 | CN102355130A Double-tube Buck-Boost type PFC (Power Factor Correction) converter based on one-cycle control |
| 02/15/2012 | CN102355129A Linear regulator with current limiting short circuit protection function |
| 02/15/2012 | CN102355128A High transformation ratio DC (direct current)-DC boost converter |
| 02/15/2012 | CN102355127A Charge pump circuit |
| 02/15/2012 | CN102354956A Switch power controller and short-circuit protection method of current control end thereof |
| 02/15/2012 | CN101900760B 一种电表及用于电表的电源 One kind of power meter and for meter |
| 02/15/2012 | CN101741242B 电荷泵及其工作方法 The charge pump and its working methods |
| 02/15/2012 | CN101697034B 便携式日夜两用夜视仪电路 Portable circuit day and night vision devices |
| 02/15/2012 | CN101621061B 半导体装置 Semiconductor device |
| 02/15/2012 | CN101517876B Dc/dc电力转换装置 Dc / dc power converter apparatus |
| 02/15/2012 | CN101242140B 功率控制方法和电路以及电源装置 The power control method and circuit and power supply means |
| 02/15/2012 | CN101207290B 以太网供电系统和方法 Power over Ethernet system and method |
| 02/14/2012 | US8116683 Adaptive inductive power supply with communication |
| 02/14/2012 | US8116681 Adaptive inductive power supply with communication |
| 02/14/2012 | US8116103 Device for feeding electric energy into a power grid and DC converter for such a device |
| 02/14/2012 | US8115563 Pulse width modulation circuit and voltage-feedback class-D amplifier circuit |
| 02/14/2012 | US8115466 Converter and driving method thereof |
| 02/14/2012 | US8115462 Voltage regulator for an integrated circuit |
| 02/09/2012 | WO2012018601A2 Compact, low noise power supply for advanced electronics applications, and x-ray analyzer applications thereof |
| 02/09/2012 | WO2012017753A1 Power conversion device, and in-vehicle power supply device |
| 02/09/2012 | WO2012017602A1 Vehicle power source device |
| 02/09/2012 | WO2012016401A1 Switch level circuit with dead time self-adapting control |
| 02/09/2012 | WO2012016398A1 Switching power supply with quick transient response |
| 02/09/2012 | WO2011156044A4 Phase-controlled power supply |
| 02/09/2012 | US20120033460 High-Side Synchronous Rectifier Circuits and Control Circuits for Power Converters |
| 02/09/2012 | US20120033459 Circuit regulator and synchronous timing pulse generation circuit thereof |
| 02/09/2012 | US20120033458 System and Method for Power Conversion |
| 02/09/2012 | US20120033457 Hold-up time extending circuit and converter including the same |
| 02/09/2012 | US20120033456 Active clamp dc-dc converter |
| 02/09/2012 | US20120033455 Switching power supply apparatus |
| 02/09/2012 | US20120033454 Switching power supply apparatus |
| 02/09/2012 | US20120033453 Controller for a Resonant Switched-Mode Power Converter |
| 02/09/2012 | US20120033452 Dc/dc converter |
| 02/09/2012 | US20120033451 Converter |
| 02/09/2012 | US20120033450 Multiple power supplies balance system |
| 02/09/2012 | US20120033449 Control for an Electrically Adjustable Piece of Furniture |
| 02/09/2012 | US20120032509 Voltage transforming device and method and power supply system |
| 02/09/2012 | DE19537896B4 Kontroller für eine Schaltmodus-Leistungsversorgungseinrichtung und Schaltmodus-Leistungsversorgungseinrichtung unter Verwendung des Kontrollers Controller for a switch-mode power supply unit and switch-mode power supply device using the controller |
| 02/09/2012 | DE102010038849A1 Verfahren und Betriebsschaltung zum Betreiben einer LED A method and drive circuit for driving an LED |
| 02/09/2012 | DE102010008943B4 DC-DC-Wandler mit automatischer Induktivitätserfassung zur Effizienzoptimierung DC-DC converter with automatic Induktivitätserfassung for optimizing the efficiency |
| 02/09/2012 | DE102010006437B4 Spannungswandleranordnung und Verfahren zur Spannungswandlung Voltage transducer assembly and method for voltage conversion |
| 02/09/2012 | DE102009024590B4 Inverterschaltung Inverter circuit |
| 02/08/2012 | EP2416492A1 Hybrid type working machine |
| 02/08/2012 | EP2416481A2 Power source unit and lighting fixture |
| 02/08/2012 | EP2416480A2 Photovoltaic inverter system and method of starting same at high open-circuit voltage |
| 02/08/2012 | EP2416479A2 Apparatus and system for power conversion |
| 02/08/2012 | EP2416478A2 Electromotive injection molding machine and power supplying method of electromotive injection molding machine |
| 02/08/2012 | EP2416475A2 Electric power generating system with boost converter/synchronous active filter |
| 02/08/2012 | EP2416474A2 Circuit regulator and synchronous timing pulse generation circuit thereof |
| 02/08/2012 | EP2415198A2 Data diode system |
| 02/08/2012 | EP2415177A1 Power supply control system and method with variable post-regulation |