Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
04/2014
04/09/2014EP2717656A1 Lighting circuit and lamp
04/09/2014EP2717451A2 Resonant DC power supply apparatus and control method thereof
04/09/2014EP2717450A1 Isolated switched-mode power supply
04/09/2014EP2717449A1 Isolated switched-mode power supply
04/09/2014EP2717448A1 Push-Pull switch mode power supply of forward type with two semi-independenly regulated outputs
04/09/2014EP2717447A2 System and method for voltage regulation of switch mode power supplies implementing burst mode operation
04/09/2014EP2717446A1 Powering down switching regulator using a ramped reference voltage
04/09/2014EP2717062A1 Artificial ramp generating in PWM modulator for current control mode
04/09/2014EP2715924A1 Control data determination from primary-side sensing of a secondary-side voltage in a switching power converter
04/09/2014EP2715923A2 Snubber circuit for dc-dc voltage converter
04/09/2014EP2715105A1 Power supply for radiofrequency ignition with dual-stage amplifier
04/09/2014CN203537708U Vehicle mounted power supply for high-temperature sand and dust environment
04/09/2014CN203537248U Wide-input AC/DC power supply converter provided with PFC function
04/09/2014CN203537238U Interleaved parallel working DC buck circuit
04/09/2014CN203537237U Network storage device
04/09/2014CN203537236U A digital high frequency high voltage electrostatic dust remover power supply
04/09/2014CN203537235U High frequency isolated type high voltage DC power taking supply unit
04/09/2014CN203537234U Piezoelectric ceramic transformer drive circuit
04/09/2014CN203537233U Travelling wave tube high voltage power supply
04/09/2014CN203537232U Charge pump device
04/09/2014CN203537231U Voltage-stabilized power supply employing storage battery for supplying power
04/09/2014CN203537230U Capacitor series-connected equalizing circuit
04/09/2014CN203537228U Digital PFC (Power Factor Correction) control system for power supply product
04/09/2014CN203537225U Novel antisurge constant-current switching power supply
04/09/2014CN203537037U Power supply system for prefabricated houses on building site
04/09/2014CN203535234U Portable electric spark source
04/09/2014CN103718446A Switching power supply device
04/09/2014CN103718445A Switching power supply device
04/09/2014CN103718444A Full-bridge power converter
04/09/2014CN103718443A Voltage regulating power supply and output voltage controlling method
04/09/2014CN103716949A Controller for use with a power converter and method of operating the same
04/09/2014CN103715929A Three-level inverter driving system
04/09/2014CN103715907A Bidirectional DC/DC converter
04/09/2014CN103715906A Resonant converter hybrid control method, resonant converter system and hybrid controller
04/09/2014CN103715905A Isolation type high-frequency switch constant-current converter
04/09/2014CN103715904A Power circuit
04/09/2014CN103715903A Forward boost power converters and methods
04/09/2014CN103715902A Power converter with an inductor-inductor-capacitor stage and method of operating the same
04/09/2014CN103715901A Switched-mode power supply
04/09/2014CN103715900A Fly-back converter circuit
04/09/2014CN103715899A Flyback converter, controller for controlling flyback converter and method
04/09/2014CN103715898A Feedback voltage sampling circuit, and feedback voltage blanking circuit and method
04/09/2014CN103715897A Isolating converter and switching power supply with same
04/09/2014CN103715896A DC power supply device and control method thereof
04/09/2014CN103715895A Switching power supply device and method for circuit design of switching power supply device
04/09/2014CN103715894A Multi-channel adjustable large current constant current intelligent sensing control power supply unit
04/09/2014CN103715893A Non-isolated step-down switch voltage-stabilized power supply
04/09/2014CN103715892A Operational amplifier-based programmable wide-input voltage-stabilized power supply
04/09/2014CN103715891A DC-DC switching regulator with transconductance boosting
04/09/2014CN103715890A Controller for controlling a power converter to output constant power, and related method thereof
04/09/2014CN103715889A DC-DC converter control circuit, image display device using the same and driving method thereof
04/09/2014CN103715888A Method for reducing power loss of circuit for driving inductive load
04/09/2014CN103715887A Direct-current power supply device
04/09/2014CN103715886A Four-switch buck/boost mode converter control method and control circuit
04/09/2014CN103715885A Systems and methods of tone management in hysteretic mode DC to DC converter
04/09/2014CN103715884A Constant-current constant-voltage converter based on PWM
04/09/2014CN103715883A Charge pump circuit
04/09/2014CN103715882A System and method for generating a regulated boosted voltage by using a controller variable number of charge pump circuits
04/09/2014CN103715881A Output method, apparatus and control circuit for DC switch power supply
04/09/2014CN103715880A Power factor correction control circuit and power adapter
04/09/2014CN103715863A Converter and heat equalization control method of power device of converter
04/09/2014CN103715746A UPS and DC/DC circuit thereof
04/09/2014CN103714378A System and method for intelligent energy management of passive radio frequency tag
04/09/2014CN103713191A Voltage converting device and sub-harmonic detector
04/09/2014CN103711626A Control voltage-boosting circuit of gasoline engine fuel injector
04/09/2014CN102628477B Magnetic suspension bearing driving circuit
04/09/2014CN102594149B Switching power converter having optimal dynamic load response with ultra-low no load power consumption
04/09/2014CN102545684B Distributed parallel inverter with high output voltage regulation rate and control method of distributed parallel inverter
04/09/2014CN102480229B Isometric-ratio voltage reducing switch power source
04/09/2014CN102348307B LED street lamp and driving power supply circuit thereof
04/09/2014CN101582636B Voltage detecting circuit and switching power source apparatus
04/09/2014CN101359871B Piezoelectric transformer type high-voltage power apparatus and image forming apparatus
04/08/2014US8693229 Power regeneration apparatus and power conversion apparatus
04/08/2014US8693226 Synchronous rectification type inverter
04/08/2014US8693224 Pump capacitor configuration for switched capacitor circuits
04/08/2014US8693223 Power converter with zero voltage switching and related control method thereof
04/08/2014US8693219 Power factor improvement circuit with phase adjustment and current gain reduction
04/08/2014US8693218 Power adapter and method of controlling power adapter operated in energy saving mode
04/08/2014US8693217 Power supply controller with minimum-sum multi-cycle modulation
04/08/2014US8693216 Switch control device, power supply device including the same, and switch control method
04/08/2014US8693215 DC/DC converter with magnetic flux density limits
04/08/2014US8693214 Voltage converter
04/08/2014US8693213 Resonant power factor correction converter
04/08/2014US8692534 Current measuring device
04/08/2014US8692532 Power converter with controller operable in selected modes of operation
04/08/2014US8692530 Efficiency-optimizing, calibrated sensorless power/energy conversion in a switch-mode power supply
04/08/2014US8692526 Converting leakage current to DC output
04/08/2014US8692524 DC-to-DC conversion apparatus
04/04/2014DE202014002223U1 Asymmetrische Induktoren in Mehrphasen-DC-DC-Wandlern Asymmetric inductors in multiphase DC-DC converters
04/03/2014WO2014052773A1 Droop compensation using current feedback
04/03/2014WO2014052761A2 Soft switching synchronous quasi resonant converter
04/03/2014WO2014052163A1 Charge pump based over-sampling adc for current detection
04/03/2014WO2014050165A1 Power source device and display device
04/03/2014WO2014049945A1 Switching power supply circuit
04/03/2014WO2014049754A1 Voltage conversion apparatus and synchronous rectifier circuit
04/03/2014WO2014049385A1 Power supply control device
04/03/2014WO2014049279A1 Method and device for measuring an isolated voltage
04/03/2014WO2014049120A2 Clocked voltage converter
04/03/2014WO2014048806A1 Power conversion arrangement and method for power conversion
04/03/2014WO2014048476A1 Electrical device with a reduced isolation gap
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