| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 10/10/2007 | CN100342634C Converter circuit configuration and method for matching variable DC votlage |
| 10/10/2007 | CN100342633C Power supply with a reduced harmonic load on the mains system, and a corresponding appliance |
| 10/10/2007 | CN100342632C Power converter and method for power conversion |
| 10/10/2007 | CN100342631C Soft switching circuit without absorption loss |
| 10/10/2007 | CN100342630C Pressure-reduced type high-power DC/DC converter flexible converter circuit for fuel-cell passenger coach |
| 10/10/2007 | CN100342629C Variable frequency PWM controller circuit |
| 10/09/2007 | US7280376 Primary side voltage sense for AC/DC power supplies capable of compensation for a voltage drop in the secondary |
| 10/09/2007 | US7280375 Circuit arrangement for operating at least one light-emitting diode |
| 10/09/2007 | US7280374 Single-stage power factor correction circuit |
| 10/09/2007 | US7280339 Operating device for inductive electrical actuators |
| 10/09/2007 | US7279878 Output regulating device for regulating output of electric power source depending on input therefrom |
| 10/09/2007 | US7279874 Power supply device with dead-time control and printing apparatus having the same |
| 10/09/2007 | US7279872 Circuit and method for processing a supply voltage with voltage peaks |
| 10/09/2007 | US7279811 Arrangement for supplying variable loads |
| 10/09/2007 | CA2470750C Universal serial bus charger for a mobile device |
| 10/04/2007 | WO2007111868A1 Method and apparatus for converting direct current to alternating current |
| 10/04/2007 | WO2007110954A1 Power supply apparatus |
| 10/04/2007 | WO2006021726A3 Switched-mode power supply regulation |
| 10/04/2007 | US20070230224 Load control device and method |
| 10/04/2007 | US20070230222 Power circuitry for high-frequency applications |
| 10/04/2007 | US20070230221 Method and Apparatus for Three-Dimensional Integration of Embedded Power Module |
| 10/04/2007 | US20070230220 Current source inverter with energy clamp circuit and controlling method thereof having relatively better effectiveness |
| 10/04/2007 | US20070229146 Semiconductor device |
| 10/04/2007 | DE10307000B4 Leistungsendstufe für kapazitive Lasten und Verfahren zu deren Betrieb Power output stage for capacitive loads and their methods of operation |
| 10/04/2007 | DE102006013524A1 Switching converter for computer CPU has parallel-connected current mode converter stages with current measurement arrangements that receive adjustment signals depending on the inductor currents and the current measuring signals |
| 10/04/2007 | DE10135500B4 Kondensatorladeschaltung und Verfahren zum Laden eines Kondensators unter Verwendung eines Strom-Signalverlaufs mit konstanter Frequenz Capacitor charging circuit and method for charging a capacitor using a current waveform having a constant frequency |
| 10/03/2007 | EP1841052A2 Power converter |
| 10/03/2007 | CN200956551Y Quasi-resonant control circuit for power supply system |
| 10/03/2007 | CN200956550Y Start circuit of power converter with feedforward compensation |
| 10/03/2007 | CN200956549Y Switchboard power supply |
| 10/03/2007 | CN200956548Y DC power converting circuit |
| 10/03/2007 | CN101048930A Charge pumping circuit |
| 10/03/2007 | CN101048929A Ultra low power stand-by supply |
| 10/03/2007 | CN101047339A Zero voltage switch active clamp positive and negative violent changer |
| 10/03/2007 | CN101047338A Synchronous rectificiation circuit of DC/DC inverter |
| 10/03/2007 | CN101047337A Three-level LLC resonance inverter |
| 10/03/2007 | CN101047336A Cascode circuit and semiconductor device |
| 10/03/2007 | CN101047335A Zero-voltage-switching DC-DC converters with synchronous rectifiers |
| 10/03/2007 | CN101047334A Common power supply anti-interference power supply method and circuit for hand transmitting equipment |
| 10/03/2007 | CN101046698A Reference supply voltage circuit using more than two reference supply voltages |
| 10/03/2007 | CN100341235C Dc/dc变换器 Dc / dc converter |
| 10/02/2007 | US7277304 Multiple inverter system with single controller and related operating method |
| 10/02/2007 | US7276999 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components |
| 10/02/2007 | US7276960 Voltage regulated charge pump with regulated charge current into the flying capacitor |
| 10/02/2007 | US7276959 Pumping circuit of semiconductor device |
| 10/02/2007 | US7276958 Charge pump with reduced noise spikes |
| 10/02/2007 | US7276888 Precharge circuit for DC/DC boost converter startup |
| 10/02/2007 | US7276884 DC/DC converter |
| 10/02/2007 | US7276813 Redundant input power system |
| 10/02/2007 | US7276812 Method and device for non-contact energy transmission |
| 09/27/2007 | WO2007109001A2 A bidirectional isolated dc/dc converter |
| 09/27/2007 | WO2007108570A1 Universal power supply apparatus |
| 09/27/2007 | WO2007108115A1 Bidirectional step-up/step-down dc/dc converter apparatus |
| 09/27/2007 | WO2007107447A1 Switch-off time regulator for an inverter for driving a lamp |
| 09/27/2007 | US20070223255 Monolithic Miniature Voltage Converter with Very Low Input Voltage |
| 09/27/2007 | US20070223164 Overcurrent Detection Circuit and Power Supply Apparatus Provided Therewith |
| 09/27/2007 | US20070222548 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components |
| 09/27/2007 | US20070222426 Wireless Powering Device, an Energiable Load, a Wireless System and a Method For a Wireless Energy Transfer |
| 09/27/2007 | CA2643939A1 Switch-off time regulation for an inverter for driving a lamp |
| 09/26/2007 | EP1837985A2 Mehtod and apparatus for converting direct surrent to alternating current |
| 09/26/2007 | EP1837983A1 Switching voltage regulator control device |
| 09/26/2007 | EP1506611B1 Charge pump |
| 09/26/2007 | CN200953531Y Apparatus for predicting magnetic device discharge time used for power converter |
| 09/26/2007 | CN200953483Y Usb设备供电装置 Usb device power supply unit |
| 09/26/2007 | CN200953477Y Average-sized motor vehicle multifunction charging device |
| 09/26/2007 | CN101044679A High-precision zero crossing detector and method thereof |
| 09/26/2007 | CN101044668A Power supply for an electronic system |
| 09/26/2007 | CN101043183A 一种功率变换器 A power converter |
| 09/26/2007 | CN101043182A Resonant transformer |
| 09/26/2007 | CN101043181A Electric power supply circuit and electronic device having the same |
| 09/26/2007 | CN101043180A Charge pump circuit, LCD driver IC, and liquid crystal display device |
| 09/26/2007 | CN101043179A Negative step-up charge pump circuit, LCD driver ic, and liquid crystal display device |
| 09/26/2007 | CN101043178A Semiconductor integrated circuit device, charge pump circuit, and electric appliance |
| 09/26/2007 | CN101043177A Driver circuit |
| 09/26/2007 | CN101043176A Voltage switching device |
| 09/26/2007 | CN101043151A Circuit and method for controlling dc-dc converter |
| 09/26/2007 | CN101042930A Control circuit of power supply unit, power supply unit and control method thereof |
| 09/25/2007 | US7274577 Electronic instrument having booster circuit |
| 09/25/2007 | US7274575 AC coupled bias circuit for power converters |
| 09/25/2007 | US7274574 Magnetically controlled transformer apparatus for controlling power delivered to a load with current transformer feedback |
| 09/25/2007 | US7274248 Booster circuit and semiconductor device having same |
| 09/25/2007 | US7274181 Systems, multiphase power converters with droop-control circuitry and methods |
| 09/25/2007 | US7274172 Drive state detection circuit |
| 09/25/2007 | US7274116 direct-current power supply and battery-powered electronic apparatus equipped with the power supply |
| 09/25/2007 | CA2333684C Solid state transformer |
| 09/25/2007 | CA2315893C Method for controlling dc/dc voltage converter with induction storage |
| 09/20/2007 | WO2007105487A1 Power conversion control circuit, power conversion control lsi, differential detection circuit, and pulse width control signal generation circuit |
| 09/20/2007 | WO2007105188A1 A power converter |
| 09/20/2007 | US20070217234 Switching Power Supply |
| 09/20/2007 | US20070217232 Method and apparatus for digital control of a switching regulator |
| 09/20/2007 | US20070217231 Power supply apparatus for arc-utilizing apparatuses |
| 09/20/2007 | US20070217230 Switching power supply having dual current feedback |
| 09/20/2007 | US20070217229 Bi-directional isolated dc/dc converter |
| 09/20/2007 | US20070217094 Switching regulator |
| 09/20/2007 | US20070216391 Controller |
| 09/20/2007 | US20070216390 High-efficiency high-voltage difference ratio bi-directional converter |
| 09/20/2007 | US20070216387 Switching regulator and method for changing output voltages thereof |
| 09/20/2007 | US20070216374 Switching regulator |
| 09/20/2007 | DE202007010195U1 Dimmeranordnung Dimmer arrangement |
| 09/20/2007 | DE102006010993A1 Auto-select circuit for use in switching power supply of e.g. notebook, has evaluation unit connected with circuit points, where switch is controlled based on output of evaluation unit |