Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
04/2014
04/03/2014WO2014048141A1 Ups and dc/dc circuit thereof
04/03/2014WO2014048102A1 Stable pulse power output apparatus
04/03/2014WO2014023446A3 Method for controlling a power stage
04/03/2014WO2013090710A3 Integrating circuitry for measuring current in a simo converter
04/03/2014WO2013063021A9 Hysteresis control for step-down dc/dc converter
04/03/2014US20140092656 Power supply circuit
04/03/2014US20140092652 Power supply device and method of determining abnormality in power supply device
04/03/2014US20140092648 Switch-mode power supply control apparatus and flyback switch-mode power supply including the control apparatus
04/03/2014US20140092647 Flyback converter and method for controlling a flyback converter
04/03/2014US20140092646 Soft Switching Synchronous Quasi Resonant Converter
04/03/2014US20140092645 Control circuit and terminal for cable compensation and wake-up of primary-side regulated power converter
04/03/2014US20140092643 Electronic converter, and related lighting system and method of operating an electronic converter
04/03/2014US20140092642 Direct-current power supply device
04/03/2014US20140092641 Synchronous rectifying buck-boost converter
04/03/2014US20140092640 Power supply device
04/03/2014US20140092639 Bidirectional dc-dc converter and control method thereof
04/03/2014US20140092638 Compound semiconductor device and method of manufacturing the same
04/03/2014US20140092637 Compound semiconductor device and method of manufacturing the same
04/03/2014US20140092636 Compound semiconductor device and method of manufacturing the same
04/03/2014US20140092635 Compound semiconductor device and method of manufacturing the same
04/03/2014US20140092634 Mixed control method for resonant converter, resonant converter system and mixed controller
04/03/2014US20140092633 Electromechanical inductors and transformers
04/03/2014US20140092169 Electronic device and liquid ejection apparatus
04/03/2014US20140091778 Constant time controller and controlling method for a switching regulator
04/03/2014US20140091718 Power Converter with an Inductor-Inductor-Capacitor Stage and Method of Operating the Same
04/03/2014DE112011105418T5 Brennstoffzellensystem Fuel cell system
04/03/2014DE102013109100A1 Mehrphasige schaltumrichter für den betrieb über weite lastbereiche Multiphase schaltumrichter for operation over wide load ranges
04/03/2014DE102013105484A1 Leistungswandler mit einer Induktivitäts-Induktivitäts-Kapazitäts-Stufe und Verfahren zu dessen Betrieb Power converter with an inductance-inductance-capacitance stage and method for its operation
04/03/2014DE102012217898A1 Method for operating single ended primary inductance converter utilized in motor vehicle, involves monitoring actual duty factor of loop of converter, and switching-off switching element when actual duty factor reaches permitted duty factor
04/03/2014DE102012217732A1 Getakteter Spannungswandler Pulsed voltage converter
04/03/2014DE102012215293A1 Gleichspannungswandler DC voltage converter
04/03/2014DE102012019296A1 Control circuit for adjusting tone degree of electrical transparent disk i.e. suspended particle device, of motor car, has DC converter switched between discrete values of output voltage, where converter is provided with switching element
04/02/2014EP2713678A1 Solid state light source driver establishing buck or boost operation
04/02/2014EP2713500A2 Enhanced-efficiency energy-scavenging interface, method for operation and energy-scavenging system comprising the interface
04/02/2014EP2713493A1 Control method and apparatus
04/02/2014EP2713492A1 Power Conversion Arrangement and Method for Power Conversion
04/02/2014EP2713491A1 Chopping converter with reduced switching losses
04/02/2014EP2713488A1 Electronic converter, and related lighting system and method of operating an electronic converter
04/02/2014EP2713234A1 A low power low dropout linear voltage regulator
04/02/2014CN203522637U Photovoltaic power generation system and photovoltaic controller
04/02/2014CN203522572U Three-level resonance converter of high-frequency and high-voltage generator
04/02/2014CN203522567U Integrated power supply of experiment device
04/02/2014CN203522561U Full-bridge self-excited combined drive-type switching power supply
04/02/2014CN203522560U Stabilized voltage supply circuit of rotary drum vacuum filter for sludge treatment
04/02/2014CN203522550U Power transformation transmission system suitable for wave power generator unit
04/02/2014CN203522544U Low-noise self-excited push-pull converter
04/02/2014CN203522543U Full-bridge self-excited converter
04/02/2014CN203522542U Power tube driving power supply circuit
04/02/2014CN203522541U Improved H bridge buck-boost DC converter
04/02/2014CN203522540U High frequency switch power supply device used for transformer substation
04/02/2014CN203522539U Driving power supply system for electric car
04/02/2014CN203522538U Adjustable DC voltage-stabilizing power circuit
04/02/2014CN203522537U Voltage stabilizing power supply circuit with light alarm function for rotary drum vacuum filter
04/02/2014CN203522536U Slope compensation circuit
04/02/2014CN203522535U Optical transceiver power source adapter
04/02/2014CN203522534U Buck-boost synchronous rectifier circuit
04/02/2014CN203522533U Power supply system and inductor current simulating circuit of power supply
04/02/2014CN203522532U Buffer absorption circuit assembly used on electric locomotive chopping speed regulator
04/02/2014CN203522531U Switching power supply based on primary side feedback control power switch chip
04/02/2014CN203522530U Contactor power supply circuit of grid-connected inversion circuit
04/02/2014CN203522529U Positive and negative voltage power supply circuit, and electronic device requiring positive and negative voltage power supply
04/02/2014CN203522528U Boost circuit
04/02/2014CN203522527U Power supply system with switching power supplies connected in parallel
04/02/2014CN203522267U Vehicle charging power source having input under-voltage protection function
04/02/2014CN203522224U Portable quick charging power supply using super-capacitor
04/02/2014CN103703667A Power conversion device
04/02/2014CN103703664A Method for controlling resonant-mode power supply and resonant-mode power supply with controller
04/02/2014CN103703663A A resonant-mode power supply with a multi-winding inductor
04/02/2014CN103703662A Snubber circuit
04/02/2014CN103703575A Power supply device and lighting device
04/02/2014CN103701336A Switching power supply device used in magnetic levitation permanent magnet motor control system
04/02/2014CN103701330A Large-power boost circuit with high transformation ratio
04/02/2014CN103701329A Solar photovoltaic converter of phase-shifted full-bridge soft switch
04/02/2014CN103701328A Isolated bi-directional DC (direct current)-DC converter
04/02/2014CN103701327A Off-line power converter and integrated circuit suitable for use in same
04/02/2014CN103701326A Dc-dc converter and method of driving the same
04/02/2014CN103701325A Capacitor voltage control circuit for half-bridge three-level DC converter
04/02/2014CN103701324A Emergency starting power supply circuit
04/02/2014CN103701323A Switching power supply with constant on-time control, and control circuit and control method for switching power supply
04/02/2014CN103701322A Power supply circuit and hysteresis buck converter
04/02/2014CN103701321A Synchronous rectification DC-DC (Direct Current) converter with rapid transient response buck
04/02/2014CN103701320A Circuit structure for voltage conversion between large-sized voltage battery pack and auxiliary power supply
04/02/2014CN103701319A Wide-range inputting and voltage stabilizing power supply circuit for downhole perforation ignition control circuit
04/02/2014CN103701318A Control circuit for interleaved parallel switched-mode power supply
04/02/2014CN103701317A Information device
04/02/2014CN102916586B System and method for switching on and off power converter
04/02/2014CN102882359B Bias voltage generation circuit and switching power supply using same
04/02/2014CN102714464B A multi-input DC converter and a PFC circuit
04/02/2014CN102708740B Manual input ocular demonstration bridge chopping and inverting experimental circuit
04/02/2014CN102548074B Single-tube resonance soft switch circuit of induction cooker and control method thereof
04/02/2014CN102510220B Average output current control device for power current transducer in continuous current mode
04/02/2014CN102510215B Three-level bidirectional direct-current converter and pulse width control method thereof
04/02/2014CN102403904B DC-DC (direct current-direct current) translation circuit
04/02/2014CN102369654B Switching power supply device, integrated circuit, and method for setting operation state of switching power supply device
04/02/2014CN102170223B DC power supply of imaging logging system
04/02/2014CN102111071B DC-DC converter and controlling method thereof, and display device using the same
04/02/2014CN102067428B A drive circuit for a synchronous rectifier and a method for controlling it
04/02/2014CN102027666B Overvoltage limitation in a chopping converter
04/02/2014CN101867287B Low-speed long-range field bus
04/02/2014CN101065994B Method and a driver circuit for LED operation
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