Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
01/2006
01/05/2006US20060002154 Power conversion device with efficient output current sensing
01/05/2006US20060001411 DC converter with halt mode setting means
01/05/2006US20060001084 Power semiconductor devices
01/05/2006DE19545360B4 Gleichstromleistungsquelle DC power source
01/05/2006DE102005006665A1 Vorschaltgerät für eine Entladungslampe Ballast for a discharge lamp
01/05/2006DE102004031913A1 Ladungspumpe einer Phasenregelschleife mit umschaltbarer Systembandbreite und Verfahren zur Steuerung einer solchen Ladungspumpe A charge pump phase locked loop with switchable bandwidth system and method for controlling such a charge pump
01/04/2006EP1612939A2 Switching DC-DC converter
01/04/2006EP1612938A1 Switching DC-DC converter
01/04/2006CN2750565Y HF power conversion dual regulation low power consumption sine wave inverter circuit
01/04/2006CN1717869A Driver for switching circuit and drive method
01/04/2006CN1717858A Energy saving startup circuit for power supply
01/04/2006CN1717857A Switching power supply circuit
01/04/2006CN1717856A Feedback circuit for power switching circuit
01/04/2006CN1717855A Pulse-width modular circuit and method for controlling a pulse-width modular circuit
01/04/2006CN1717854A Stepping inductor for fast transient response of switching converter
01/04/2006CN1717346A Auxiliary power supply for vehicle
01/04/2006CN1716747A DC-DC converter
01/04/2006CN1716746A Zero voltage switch three lever double tube positive exciting DC converter with clamp diode
01/04/2006CN1716745A DC/DC converter
01/04/2006CN1716744A Modulated processor PWM
01/04/2006CN1716743A Method of forming a self-gated transistor and structure therefor
01/04/2006CN1716742A Switching DC-DC converter
01/04/2006CN1716741A DC voltage transducer
01/04/2006CN1716740A Step-up / step-down circuit
01/04/2006CN1716739A DC voltage converter and method for converting a DC voltage
01/04/2006CN1716738A Protection circuits for a DC-to-DC converter
01/04/2006CN1716455A Apparatus for generating internal voltage in test mode and its method
01/04/2006CN1716157A Switching type power supply system and its method for automatic regulating circuit work frequency
01/04/2006CN1716142A Power supply apparatus provided with overcurrent protection function
01/04/2006CN1716139A Controller for fluid flow and current switch
01/04/2006CN1235448C Pump support choke
01/04/2006CN1235117C IC device with power control logic circuit and operation method thereof
01/03/2006US6983383 Method for providing priority to an ac adaptor if the input to the ac adaptor is above a predetermined value even if the power supply via an interface is present
01/03/2006US6982910 Reverse voltage generation circuit
01/03/2006US6982889 DC/AC converter and its controller IC
01/03/2006US6982887 DC-DC converter with coupled-inductors current-doubler
01/03/2006US6982886 Dc-ac converter parallel operation system and controller ic therefor
01/03/2006US6982885 Current distribution circuit
01/03/2006US6982883 Radiation tolerant electrical component with non-radiation hardened FET
01/03/2006US6982882 High voltage charging circuit for charging a high voltage capacitor
01/03/2006US6982881 Current detecting circuit and power converter having the same
01/03/2006US6982621 Method and apparatus for substantially reducing electrical displacement current flow between input and output windings of an energy transfer element
01/03/2006US6982574 Method of forming a transistor driver and structure therefor
01/03/2006US6982548 Switched mode power supply with delay-compensated current mode control
01/03/2006US6982517 Circuit system for discharging a buffer capacitor used for supplying high voltage to a control unit, in particular a control unit for actuating a piezoelectric output stage
01/03/2006US6982499 Power converting method and apparatus
12/2005
12/29/2005WO2005124983A1 Phone energy management for low battery voltages
12/29/2005WO2005124982A1 Power supply for both ac and dc
12/29/2005WO2004045052A3 Controller for dc to dc converter
12/29/2005US20050286280 Systems, multiphase power converters with droop-control circuitry and methods
12/29/2005US20050286278 Method and apparatus for switched-mode power conversion at radio frequencies
12/29/2005US20050286273 Self-drive for synchronous rectifiers
12/29/2005US20050286272 DC-DC converter
12/29/2005US20050286271 Point of load sine amplitude converters and methods
12/29/2005US20050286270 Full wave series resonant type DC to DC power converter with integrated magnetics
12/29/2005US20050286269 Constant-on-time switching power supply with virtual ripple feedback and related system and method
12/29/2005US20050286268 Power conversion system and method
12/29/2005US20050286226 Heat-generating component cooling structure
12/29/2005US20050285682 Amplifying circuit with variable supply voltage
12/29/2005US20050285665 Integrated floating power transfer device with logic level control and method
12/29/2005US20050285664 Integrated floating power transfer device with electromagnetic emission control circuit and method
12/29/2005US20050285619 System and method for detecting an operational fault condition in a power supply
12/29/2005US20050285587 Apparatus and method thereof for measuring output current from primary side of power converter
12/29/2005US20050285585 DC-DC converter
12/29/2005US20050285584 Power supply regulator with digital control
12/29/2005US20050285580 Current sense circuit and method for a DC-to-DC converter
12/29/2005US20050285579 Control circuit of DC-DC converter and its control method
12/29/2005US20050285577 Step-up / step-down circuit
12/29/2005US20050285545 Circuit arrangement and operating device for operating lamps
12/29/2005US20050285238 Integrated transistor module and method of fabricating same
12/29/2005US20050284673 Power source device for a vehicle
12/29/2005US20050284609 Heatsink for power devices
12/29/2005DE112004000218T5 Graben-MOSFET Technologie für DC/DC Wandleranwendungen Trench MOSFET technology for DC / DC Converter Applications
12/29/2005DE112004000209T5 Mehrphasiger Abwärtswandler mit programmierbarer Phasenauswahl Multiphase buck converter with programmable phase selection
12/29/2005DE102005025902A1 Stromversorgungsvorrichtung und Fahrzeugleuchte Power supply device and vehicle lamp
12/29/2005CA2510350A1 Circuit arrangement and operating device for operating lamps
12/28/2005EP1610206A2 System and method for performing power sequencing
12/28/2005EP1609235A2 Phase-shifted resonant converter having reduced output ripple
12/28/2005EP1559186A4 Variable charge pump circuit with dynamic load
12/28/2005EP1314238B1 Multiple output dynamically regulated charge pump power converter
12/28/2005CN2749174Y DC/DC converter with improved transient response
12/28/2005CN1714496A Method of setting bi-directional offset in a PWM controller using a single programming pin
12/28/2005CN1714495A Switched mode power supply with delay-compensated current mode control
12/28/2005CN1714385A Multi output dc/dc converter for liquid crystal display device
12/28/2005CN1713500A Switching power supply of adjusting output voltage
12/28/2005CN1713499A DC-DC converter
12/28/2005CN1713498A DC-DC converting method and apparatus
12/28/2005CN1713497A Soft switching DC/DC converter with less assembly
12/28/2005CN1713496A Convertion for pulsewidth modulating signal to 4-20 milli-amp current signal
12/28/2005CN1713495A Driving circuit for DC/DC converter voltage and level transferring method
12/28/2005CN1234202C DC-DC converter
12/28/2005CN1234199C Power supply equipment and method
12/27/2005US6980783 Apparatus and method of controlling low frequency load currents drawn from a DC source in a telecommunications system
12/27/2005US6980448 DRAM boosted voltage supply
12/27/2005US6980447 Active snubber circuit for synchronous rectifier
12/27/2005US6980445 Power factor improving converter and control method thereof
12/27/2005US6980444 Switching power supply
12/27/2005US6980443 Switching type AC adapter circuit with a latch protection circuit
12/27/2005US6980442 384X-based burst mode PWM controller
12/27/2005US6980441 Circuit and method for controlling a synchronous rectifier in a power converter