| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 07/16/2009 | US20090179620 Switching power supply device and semiconductor integrated circuit |
| 07/16/2009 | US20090179584 Dc/dc converter |
| 07/16/2009 | US20090179488 Power supply device having zero switching voltage |
| 07/16/2009 | DE102008061630A1 Systeme und Verfahren zum Vorladen von Aufwärtswandlern bei DC/DC-Leistungswandlern Systems and methods for precharging boost converters for DC / DC power converters |
| 07/16/2009 | DE102008061187A1 Verbesserte Bauweise von Induktivitäten für Leistungswandler Improved design of inductors for power converters |
| 07/16/2009 | DE102008003835B3 Motor vehicle-voltage supply circuit for supplying voltage to high speed consumer, has converter controlled by safety circuit, if error case is indicated, such that step-up-converter is switched off and step-down-converter is operable |
| 07/16/2009 | DE102004022136B4 Softgeschaltete Leistungswandler Soft Switched power converter |
| 07/16/2009 | CA2711489A1 Inductive power supply with duty cycle control |
| 07/15/2009 | EP2079157A2 Direct-current power supply device, power supply device for driving LED and semiconductor integrated circuit for driving power supply |
| 07/15/2009 | EP2079156A2 Direct-current power supply device, power supply device for driving LED and semiconductor integrated circuit for controlling power supply |
| 07/15/2009 | EP2078335A2 Class d amplifier |
| 07/15/2009 | EP2078334A2 Voltage-boosting stage |
| 07/15/2009 | EP1618443A4 Control loop for switching power converters |
| 07/15/2009 | EP1606679A4 High voltage offset detection circuit and method |
| 07/15/2009 | EP1325394B1 Wide ratio autotransformer-type current ranging |
| 07/15/2009 | EP1273093B1 Dc power adapter system |
| 07/15/2009 | CN101485072A Voltage converter and vehicle having the same |
| 07/15/2009 | CN101485071A Voltage converter and vehicle having the same |
| 07/15/2009 | CN101483390A Electric power supply apparatus capable of regulating output voltage |
| 07/15/2009 | CN101483389A Pulse width modulation control circuit and chip thereof |
| 07/15/2009 | CN101483388A Method of driving DC/DC converter, and DC/DC converter |
| 07/15/2009 | CN101483387A Multi-phase power supply controller and method therefor |
| 07/15/2009 | CN101483386A DC to DC transformer and control method for reducing overshooting phenomenon |
| 07/15/2009 | CN101483384A Electric power processing circuit module, subscriber circuit system and voice control method |
| 07/15/2009 | CN101483383A Switching controller having programmable feedback circuit for power converters |
| 07/15/2009 | CN101483382A Optical power for electronic circuits using a single photovoltaic component |
| 07/15/2009 | CN100514822C Switching power supply circuit |
| 07/15/2009 | CN100514818C Switching power source apparatus |
| 07/15/2009 | CN100514817C Zero voltage switch active clamp positive and negative violent changer |
| 07/15/2009 | CN100514816C Resonant switching power source apparatus |
| 07/15/2009 | CN100514815C Control circuit for DC-DC converter and control method therefor |
| 07/15/2009 | CN100514814C A switch-over type control device for output power compensation |
| 07/15/2009 | CN100514813C DC-DC converter and dc-dc converter control method |
| 07/15/2009 | CN100514812C Power factor impoving circuit |
| 07/15/2009 | CN100514811C Driver package with break-before-make sensing circuit and sensing method |
| 07/15/2009 | CN100514810C Power supply with multiple outputs and time delay synchronious control method |
| 07/15/2009 | CN100514809C Charge-pump circuit |
| 07/15/2009 | CN100514808C Boost controller capable of step-up ratio control |
| 07/15/2009 | CN100514806C power converter and operating method thereof |
| 07/15/2009 | CN100514670C Built-in power MOS field effect transistor and semiconductor device of drive circuit |
| 07/14/2009 | USRE40843 Electronic dimmable ballast for high intensity discharge lamp |
| 07/14/2009 | US7561452 Transformer-isolated flyback converters and methods for regulating output current thereof |
| 07/14/2009 | US7561451 Power converter apparatus and methods using a phase reference derived from a DC bus voltage |
| 07/14/2009 | US7561449 DC-AC converter and method for protecting DC-AC converter from overcurrent |
| 07/14/2009 | US7561447 Primary-side controlled switching regulator |
| 07/14/2009 | US7561446 Double-clamped ZVS buck-boost power converter |
| 07/14/2009 | US7561154 Power supply circuit and display system |
| 07/14/2009 | US7560975 Semiconductor device |
| 07/14/2009 | US7560915 Power supply apparatus provided with regulation function and boosting of a regulated voltage |
| 07/09/2009 | WO2009086149A1 System and method of providing power using switching circuits |
| 07/09/2009 | WO2009085549A2 Self-configurable multi-regulator asic core power delivery |
| 07/09/2009 | WO2009085439A1 Multi-regulator power delivery system for asic cores |
| 07/09/2009 | WO2009084650A1 Fuel cell system |
| 07/09/2009 | WO2009084649A1 Fuel cell system and fuel cell boosting converter |
| 07/09/2009 | WO2009084569A1 Electric discharge lamp lighting device, projector and method for controlling electric discharge lamp lighting device |
| 07/09/2009 | WO2009084342A1 Electrically driven power steering device |
| 07/09/2009 | WO2009084341A1 Electrically driven power steering device |
| 07/09/2009 | WO2009084290A1 Converter apparatus, rotary electric machine controller and drive unit |
| 07/09/2009 | WO2009084278A1 Power supply circuit and display device including same |
| 07/09/2009 | WO2009083962A1 Power array for high power pulse load |
| 07/09/2009 | WO2009083541A1 Variable-capacitance electrical converter |
| 07/09/2009 | WO2009083335A1 Control unit and method for controlling personal protection means for a vehicle |
| 07/09/2009 | WO2009039082A3 Stacked synchronous buck converter |
| 07/09/2009 | US20090175058 Method and apparatus for a power supply controller responsive to a feedforward signal |
| 07/09/2009 | US20090175057 Isolated voltage converter with feedback on the primary winding, and corresponding method for controlling the output voltage |
| 07/09/2009 | US20090175056 Synchronous Rectifier |
| 07/09/2009 | US20090175055 Power supplying device |
| 07/09/2009 | US20090175054 Method for Operating a Switched Mode Power Supply With Return of Primary-Side Stray Energy |
| 07/09/2009 | US20090174466 Charge pump circuit |
| 07/09/2009 | US20090174389 Multi-phase power supply controller and method therefor |
| 07/09/2009 | US20090174384 Switching regulator and method of controlling the same |
| 07/09/2009 | US20090174374 Dynamic multiphase operation |
| 07/09/2009 | US20090174340 Direct-current power supply device, power supply device for driving led and semiconductor integrated circuit for controlling power supply |
| 07/09/2009 | DE102008061383A1 Zurücksetzen eines Glättungskondensators in einem DC/DC-Wandler Reset of a smoothing capacitor in a DC / DC converter |
| 07/09/2009 | DE102008026500A1 Commutation speed regulating method for use between MOSFET and diode, involves storing one of time intervals as parameter on lines so that commutation duration is held in relationship during changing of conditions of switch arrangement |
| 07/09/2009 | DE102007014398B4 Stromversorgungsschaltkreis Power supply circuitry |
| 07/09/2009 | DE10048094B4 Schaltnetzteil mit einer Einrichtung zur Funkstörspannungskompensation Switching power supply with a device for Funkstörspannungskompensation |
| 07/09/2009 | CA2710921A1 Power control system for a fuel cell |
| 07/09/2009 | CA2710505A1 Fuel cell system and boost converter for fuel cell |
| 07/08/2009 | EP2077609A2 Switching power supply unit |
| 07/08/2009 | CN201270479Y Apparatus for implementing constant voltage and constant current |
| 07/08/2009 | CN201270478Y Circuit apparatus for implementing transistor base current compensation |
| 07/08/2009 | CN201270477Y Switch electric power for diode checking and controlling acoustic |
| 07/08/2009 | CN201270476Y Intelligent defrosting voltage controller for semi-conductor refrigerating electric power |
| 07/08/2009 | CN101479920A Switching power supply apparatus |
| 07/08/2009 | CN101479919A Method and device for charging an electrical energy storage element, in particular an ultracapacitor |
| 07/08/2009 | CN101479918A Power supply system and vehicle having the same |
| 07/08/2009 | CN101478240A Digital DC-DC voltage boosting converter |
| 07/08/2009 | CN101478239A Three phase inverter control method and apparatus thereof |
| 07/08/2009 | CN101478238A Three-level parallel resonance dc-dc current transformer |
| 07/08/2009 | CN101478237A Compensation method for optimizing stability of DC/DC converter |
| 07/08/2009 | CN101478236A Voltage converter |
| 07/08/2009 | CN101478235A Control circuit for non-isolation type bidirectional DC/DC converter and control method thereof |
| 07/08/2009 | CN101478234A Switching capacitor type DC-DC converter |
| 07/08/2009 | CN101478233A High energy auto-excitation dual driver semi-bridge switch power supply |
| 07/08/2009 | CN101478232A Current converter circuit |
| 07/08/2009 | CN101478231A Voltage stabilizing circuit having time keeping function |
| 07/08/2009 | CN100511946C Soft switching power converter with energy-saving circuit for light load operation |
| 07/08/2009 | CN100511945C Deflection supply voltage feedback control in conjunction with frequency change |
| 07/08/2009 | CN100511944C Synchronous rectification forward converter |