Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
10/2009
10/08/2009WO2009024584A3 Dc/dc converter arrangement and method for dc/dc conversion
10/08/2009WO2009019029A3 Power supply unit
10/08/2009US20090251931 Method and apparatus for conditional response to a fault condition in a switching power supply
10/08/2009US20090251930 Method and apparatus for regulating an output current from a power converter
10/08/2009US20090251929 Convertor and Driving Method Thereof
10/08/2009US20090251928 Switching power supply circuit
10/08/2009US20090251927 Phase Shifted DC-DC Converter with Improved Efficiency at Light Load
10/08/2009US20090251926 Converter and driving method thereof
10/08/2009US20090251925 Current resonant dc-dc converter of multi-output type
10/08/2009US20090251924 Power supplying unit
10/08/2009US20090251273 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components without requiring additional windings
10/08/2009US20090251124 Circuit for the Generation of Two Symmetrical Buses of Tension With Respect to the Negative of the Feeding Tension
10/08/2009US20090251121 Method and apparatus providing final test and trimming for a power supply controller
10/08/2009US20090251062 Inverter
10/08/2009DE102008038989A1 Electrical system i.e. magnetic resonance device for e.g. medical diagnosis of patient, has load electrically connected with power supply over piezoelectric direct current-direct current converters by intermediate circuit voltage line
10/08/2009DE102008021875A1 Vorrichtung und Verfahren zum Wandeln eines Potentials Apparatus and method for converting a potential
10/08/2009DE102008012089A1 Verfahren zum Ansteuern einer Vollbrücke, und Anordnung zur Durchführung des Verfahrens A method for driving a full bridge, and device for carrying out the method
10/08/2009CA2719867A1 Non-isolated charger with bi-polar inputs
10/07/2009EP2107674A1 Half-bridge LLC resonant converter with self-driven synchronous rectifiers
10/07/2009EP2107673A1 MOSFET as electronic off-switch
10/07/2009EP1831985B1 Pulse width modulation frequency dithering in a switch mode power supply
10/07/2009EP1364447B1 Asymmetric multi-converter power supply
10/07/2009CN201323530Y Rectifier diode circuit for switching frequency
10/07/2009CN101553976A Digital controller
10/07/2009CN101552570A A switch voltage regulation circuit and method with a frequency limiting function
10/07/2009CN101552565A Wide-amplitude voltage regulation and frequency modulation meter
10/07/2009CN101552560A Switch voltage-stabilizing circuit and control method thereof
10/07/2009CN101552559A Tri-level DC-DC converter with frequency multiplication output magnetic circuit coupling transformer
10/07/2009CN101552558A Synchronous rectification driving circuit of flyback circuit
10/07/2009CN101552557A Parallel-connected resonance converter circuit and control method thereof
10/07/2009CN101552556A DC-DC converter, DC-DC converter control method, and electronic device
10/07/2009CN101552555A Buck voltage balance converter
10/07/2009CN101552554A Control circuit of cascade type buck-boost converter and control method thereof
10/07/2009CN101552553A Simple and reliable pre-bias load starting circuit
10/07/2009CN101552552A Dynamic feedback stabilized charge pump device
10/07/2009CN101552551A Radio frequency ion power supply
10/07/2009CN101552550A Power supply conversing device
10/07/2009CN101552549A Control method and control device of buck single-inductor dual-output branch switch converter
10/07/2009CN101552548A Power supply control system
10/07/2009CN101552544A Power control device
10/07/2009CN101552537A Inductor packaging for power converters
10/07/2009CN101552479A Direct-current voltage reducing circuit
10/07/2009CN101552475A Device for obtaining low voltage power supply from high voltage line
10/07/2009CN101552119A Complex inductor and power supply unit
10/07/2009CN100547897C Control circuit for synchronous rectifier of forward power transducer
10/07/2009CN100547895C Undershoot eliminator circuit and method for synchronous rectified DC-DC converters
10/07/2009CN100547894C Controller and standby circuit for power converter
10/07/2009CN100547893C Control circuit of DC-DC converter and its control method
10/07/2009CN100547892C Method of forming a floating charge pump and structure therefor
10/07/2009CN100547891C Voltage converter for preventing switch device from being damaged utilizing protection circuit
10/07/2009CN100547890C Method of DC power device for improving power factor and adjusting output voltage
10/07/2009CN100547512C A controller
10/06/2009US7599199 Power converter switch control
10/06/2009US7599198 Resonance converter and synchronous rectification driving method thereof
10/06/2009US7599197 Power supply apparatus
10/06/2009US7598718 Controller for DC to DC converter
10/06/2009US7598689 Motor drive apparatus
10/01/2009WO2009120793A2 Method and apparatus for extending zero-voltage switching range in a dc to dc converter
10/01/2009WO2009120451A2 Method and apparatus for providing an initial bias and enable signal for a power converter
10/01/2009WO2009119619A1 Power supply device and illuminating apparatus provided with power supply device
10/01/2009WO2009119617A1 Electric power device, and lighting fixture
10/01/2009WO2009118683A2 Zero voltage switching
10/01/2009WO2009118682A2 Zero current switching
10/01/2009WO2009118576A1 A snubber capacitor generating an auxiliary power supply voltage
10/01/2009WO2009118535A2 Linear regulator with zero crossing coordination
10/01/2009US20090244940 Voltage generating circuit
10/01/2009US20090244934 Synchronous rectification circuit having burst mode controller and controlling method thereof
10/01/2009US20090244933 Half-bridge llc resonant converter with self-driven synchronous rectifiers
10/01/2009US20090244932 Synchronous Rectifying Apparatus and Forward Synchronous Converter
10/01/2009US20090244931 Method and apparatus for providing an initial bias and enable signal for a power converter
10/01/2009US20090244930 Electrical dc-dc power converter with magnetically coupled switch control circuit
10/01/2009US20090244929 Method and apparatus for extending zero-voltage swiitching range in a DC to DC converter
10/01/2009US20090244928 Dual gate lateral diffused mos transistor
10/01/2009US20090243563 Power supply circuit and test apparatus
10/01/2009US20090243399 Electrical power supply arrangement for a downhole measurement assembly
10/01/2009US20090243389 Multiple output magnetic induction unit and a multiple output micro power converter having the same
10/01/2009US20090243388 Multi-output dc/dc converter
10/01/2009DE10322870B4 Verfahren zum Betreiben eines Schaltwandlers und Ansteuerschaltung zur Ansteuerung eines Schalters in einem Schaltwandler A method of operating a switching converter and drive circuit for driving a switch in a switching converter
10/01/2009CA2719002A1 Method and apparatus for extending zero-voltage switching range in a dc to dc converter
09/2009
09/30/2009EP2106015A2 Power supply device for electrically driven injection molding machine and electrically driven injection molding machine
09/30/2009EP2106014A1 Dc-dc converter module
09/30/2009EP2105818A2 Flow controlling device
09/30/2009EP2104977A1 Relief circuit
09/30/2009EP1980012B1 Circuit arrangement for voltage supply and method
09/30/2009EP1782527B1 Device for feeding auxiliary operating devices for a fuel electric vehicle
09/30/2009EP1782526B1 Device for feeding auxiliary operating devices for a fuel electric vehicle
09/30/2009EP1070998B1 Electronic apparatus and method of controlling electronic apparatus
09/30/2009CN201319560Y Voltage-reducing circuit used for high-voltage power supply
09/30/2009CN101548457A Multiple-output switching electric power source device
09/30/2009CN101548456A Switching regulator and method for controlling operation thereof
09/30/2009CN101546959A Double-power switch and power supply circuit using double-power switch
09/30/2009CN101546958A Improved technique for pulse-width modulation of switching power supply and device for achieving same
09/30/2009CN101546957A DC to DC converter having controller and control method thereof
09/30/2009CN101546956A Self-regulated charge pump with loop filter
09/30/2009CN101546955A Charge pump circuit
09/30/2009CN101546932A Rotating electrical machine having high-voltage magnetic circuit and method for manufacturing the same
09/30/2009CN101546914A Charger control circuit and charger control method
09/30/2009CN101546204A Voltage generator with dynamic resistance feedback control
09/30/2009CN100546157C Switching control circuit
09/30/2009CN100546156C DC/DC converter and conversion method