Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
05/2010
05/26/2010CN1337085B Switch mode power supply
05/26/2010CN101715625A Computer system power source with improved light-load efficiency
05/26/2010CN101714820A Multiplexed output power of low-voltage power supply
05/26/2010CN101714819A Output-voltage control device, output-voltage control method, and electronic apparatus
05/26/2010CN101714818A Regulating current output from a buck converter without external current sensing
05/26/2010CN101714817A Voltage converter with line loss compensation
05/26/2010CN101714816A Power electronic module pre-charge system and method
05/26/2010CN101714815A Boost type converter for realizing high-gain voltage multiplication by coupling inductors
05/26/2010CN101714814A System and method for improving dynamic response in a power supply
05/26/2010CN101714761A An uninterrupted power supply device
05/26/2010CN101714220A Semiconductor integrated circuit device and ic card using the same
05/26/2010CN101713816A Alternating current motor traction test platform with bidirectional direct current energy-feedback link
05/26/2010CN101712284A Automotive electrical system for coupling power converters with a transformer
05/26/2010CN101389168B High-voltage large power LCD constant current driving device
05/26/2010CN101257258B Switch power circuit
05/26/2010CN101256745B Public voltage generating circuit and LCD thereof
05/26/2010CN101156305B Method for operating a switched mode power supply with the recovery of primary scattered energy
05/26/2010CN101136584B Switch loss reduced single-stage power factor correcting circuit
05/26/2010CN101132151B Electric power supply converter
05/26/2010CN101111988B X ray tube modularized power supply and method
05/26/2010CN101105697B Solar energy generation system maximum power tracking method and device
05/26/2010CN101075783B Three-phase medium-frequency DC high-voltage power supply for ESP
05/26/2010CN101043183B Power converter
05/26/2010CN101002375B Method and circuit arrangement for optimising maximum current limitation in the primary switch of a switched-mode power supply, and a power supply
05/25/2010US7724554 DC-AC converter and controller IC thereof
05/25/2010US7724551 Step-up circuit and portable device using it
05/25/2010US7724547 Compensating on-time delay of switching transistor in switching power converters
05/25/2010US7724546 Converter
05/25/2010US7724545 Switching converter having an activatable and deactivatable damping circuit
05/25/2010US7724544 AC power supply apparatus
05/25/2010US7724074 Booster circuit, semiconductor device, and electronic apparatus
05/25/2010US7724070 Charge-pump circuit and boosting method for charge-pump circuit
05/20/2010WO2010056989A1 Driver for a synchronous rectifier and power converter employing the same
05/20/2010WO2010056249A1 Quasi-resonant power supply controller and method therefor
05/20/2010WO2010055484A1 Electronic circuit arranged to control voltage applied to a load
05/20/2010WO2010055016A2 Control for an electrically adjustable item of furniture
05/20/2010US20100124081 Switching power supply
05/20/2010US20100124080 Current control method and apparatus
05/20/2010US20100124079 Offline synchronous rectifier with causal circuit for resonant switching power converter
05/20/2010US20100124078 Electronic device and power supply thereof
05/20/2010US20100123512 Booster circuit
05/20/2010US20100123412 Pulse generating circuit
05/20/2010US20100123351 Power device
05/20/2010DE202010002361U1 Stromsparender intelligenter Netzanschlußadapter Power-saving intelligent power supply adapter
05/20/2010DE102009045766A1 Synchronisation von mehreren Gleichspannungswandlern Synchronization of multiple DC-DC converters
05/20/2010DE102008056914A1 Steuerung für ein elektrisch verstellbares Möbel Control for an electrically adjustable item of furniture
05/20/2010DE102008056748A1 Spannungskonverter Voltage converter
05/19/2010EP2187515A1 DC-DC forward converter apparatus and corresponding conversion method
05/19/2010EP2187514A1 Switching power supply device
05/19/2010EP2187513A1 Electronic circuit arranged to control voltage applied to a load
05/19/2010EP2186186A2 Magnetic activation and deactivation circuit and system
05/19/2010EP2186185A1 Voltage converter with combined buck converter and capacitive voltage divider
05/19/2010EP1899753B1 Apparatus for producing an electric signal provided with luminous means characterizing said signal
05/19/2010CN201479048U Solar mobile power supply
05/19/2010CN201479029U Electronic rectifier
05/19/2010CN201479023U High-precision large-range positive-negative power supply
05/19/2010CN201479022U Power supply circuit of intelligent electrical apparatus release
05/19/2010CN201479012U High-isolation DC-DC power supply device
05/19/2010CN201479011U Power circuit device
05/19/2010CN201479010U Electric multiple unit direct current electronic converter
05/19/2010CN201479009U Current sharing power supply
05/19/2010CN201479008U Circuit for improving utilization rate of photovoltaic array voltage
05/19/2010CN201479007U Controllable high-frequency and high-voltage power supply
05/19/2010CN201479006U Extended output current driving circuit
05/19/2010CN201479005U Digital control PU board
05/19/2010CN201479004U High-integrated intelligent power module
05/19/2010CN201479003U DC/DC conversion circuit of frequency doubling phase-control soft switch
05/19/2010CN201479002U DC-DC switching power conversion circuit comprising buffer circuit
05/19/2010CN201479001U Optimized DC-DC converter and circuit
05/19/2010CN201478863U Vehicle auxiliary power supply capable of increasing fuel efficiency and reducing exhaust emission
05/19/2010CN1980030B Control circuit of DC/DC converter, luminous device and electronic equipment
05/19/2010CN1937379B Linear predictive sampling circuit and device for measuring transformer degaussing voltage
05/19/2010CN1933017B Semiconductor device
05/19/2010CN101711075A High-voltage constant current source circuit
05/19/2010CN101711070A LED direct-current input control circuit
05/19/2010CN101710793A High-frequency power supply device for uniformly outputting multiple groups of currents
05/19/2010CN101710791A High-frequency transform type power supply and audio power amplification processing circuit with same
05/19/2010CN101710786A Switch voltage-stabilizing circuit and method
05/19/2010CN101710785A Converter for adjusting output voltage and related method
05/19/2010CN101710784A Charge pump circuit working at extra low voltage
05/19/2010CN101710783A Power source control circuit capable of changing pulse transmission power and control method
05/19/2010CN101710782A Battery discharge circuit, power supply and LED lamp
05/19/2010CN101710719A Circuit structure for common-mode inductors with damping resistors applied to energy feedback devices
05/19/2010CN101710716A Grid-connected inverter capable of reducing electrolytic capacitance
05/19/2010CN101223684B Bi-directional switch in a power converter and switch type power converter
05/19/2010CN101217249B Detachable transducer of comparatively better efficiency
05/19/2010CN101207333B Switch power supply and control method with awaiting orders mode thereof
05/19/2010CN101207327B Soft starting device of power supply
05/19/2010CN101133543B Switching regulator and electronic device incorporating the same
05/19/2010CN101115640B Electric load control device
05/19/2010CN101083432B Single electric inductance multiplex output boosted circuit
05/18/2010US7719866 Control circuit for a DC-to-DC switching converter, and the use thereof for maximizing the power delivered by a photovoltaic generator
05/18/2010US7719860 Power supply and its controlling method
05/18/2010US7719859 Switching power supply device and drive circuit thereof
05/18/2010US7719343 Low noise charge pump method and apparatus
05/18/2010US7719283 Switching circuit and voltage measuring circuit
05/18/2010US7719134 In-vehicle mount electronic controller
05/14/2010WO2010052947A1 Vehicular power unit
05/14/2010WO2010052610A1 A capacitive dc-dc converter
05/14/2010WO2010051899A1 Control circuit for a dc-dc converter