Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
04/2013
04/25/2013US20130099559 Power Supply System
04/25/2013DE112005000049B4 Entladungslampen-Vorschaltgerätevorrichtung Discharge lamp Vorschaltgerätevorrichtung
04/25/2013DE102011116692A1 Mehrphasen-Induktivitätenmodul Multi-phase inductances module
04/24/2013EP2584695A1 Power-saving driving apparatus and power-saving driving method for apparatus with uniform load pattern
04/24/2013EP2584688A2 Power supply controller with an input voltage compensation circuit
04/24/2013EP2584687A2 Power Supplier and Image Forming Apparatus including the Power Supplier
04/24/2013EP2584668A1 System and method for operating a power conversion system in a curtailed mode
04/24/2013EP2583377A1 A coordinated power converter system
04/24/2013EP2583376A2 Switching regulator with input current limiting capabilities
04/24/2013CN202906767U Switching power supply with continuously adjustable output voltage
04/24/2013CN202906754U Constant-voltage multiple-output alternating current-direct current converter
04/24/2013CN202906744U Voltage stabilizer
04/24/2013CN202906742U Fly-back power source with power factor correction function
04/24/2013CN202906741U High-frequency switching power supply device
04/24/2013CN202906740U Anti-interference power supply for temperature controller
04/24/2013CN202906739U Universal seawater activation circuit
04/24/2013CN202906738U Miniature universal power supply
04/24/2013CN202906737U Switch-mode digital signal processor power supply
04/24/2013CN202906736U Transformer substation background computer directly powered by direct current
04/24/2013CN202906735U A self-heat-dissipating isolated electric vehicle DC voltage converter
04/24/2013CN202906734U Waterproof dustproof self-heat radiation electric automobile DC-DC voltage converter
04/24/2013CN1864318B Armature in rotating electric machine and manufacturing method thereof
04/24/2013CN103069928A 直流电源装置 DC power supply unit
04/24/2013CN103069923A Methods and apparatus for driving light emitting diodes (leds) comprising parallel flyback converter stages
04/24/2013CN103069705A Isolated switched mode power supply
04/24/2013CN103069704A Converter and converter control method
04/24/2013CN103069703A Multiphase converter comprising magnetically coupled phases
04/24/2013CN103069702A Multiphase converter comprising magnetically coupled phases
04/24/2013CN103069688A Resonance power transmission system based on power transmission efficiency
04/24/2013CN103068096A Light-emitting diode (LED) lamp, current sampling circuit and drive circuit of LED lamp
04/24/2013CN103066954A Ramp signal generation circuit and ramp signal adjustment circuit
04/24/2013CN103066872A Integration switch power supply controller and switch power supply using the same
04/24/2013CN103066869A Demagnetization time detection circuit based on audion
04/24/2013CN103066868A Primary side control method and power controller
04/24/2013CN103066867A Switch power supply constant current control circuit and method of internally-arranged wire voltage compensating circuit
04/24/2013CN103066856A Single battery voltage booster of pointer type multimeter
04/24/2013CN103066855A System and method used for no-voltage switch in power source transformation system
04/24/2013CN103066854A Full bridge topology power supply, control method and communication equipment
04/24/2013CN103066853A Control circuit and switching power supply and control method thereof
04/24/2013CN103066852A System and method used for source electrode switch and voltage generation
04/24/2013CN103066851A Control circuit for primary side flyback type converter
04/24/2013CN103066850A Isolating type boosted circuit, backlight module and liquid crystal display device
04/24/2013CN103066849A Power supply apparatus
04/24/2013CN103066848A Direct current transformer type multi-level output direct-current electrical source for quick trace reference
04/24/2013CN103066847A Power source device and image forming apparatus
04/24/2013CN103066846A 电力转换装置 Power conversion means
04/24/2013CN103066845A Anti-interference power source of alternating current driver main control panel
04/24/2013CN103066844A Control method for average current on input side of buck converter
04/24/2013CN103066843A Detection circuit and obtaining method of power source and voltage of switch
04/24/2013CN103066842A Non-reverse polarity Buck-Boost converter combination modulation method
04/24/2013CN103066841A Voltage-multiplying DC converter based on charge pump capacitor
04/24/2013CN103066840A Power output control circuit of plastic extruding machine
04/24/2013CN103066839A Time-base circuit direct current voltage-multiplying device
04/24/2013CN103066838A Power system and control method thereof
04/24/2013CN103066837A High gain voltage-multiplying structure active lossless clamping converter
04/24/2013CN103066836A Switch power supply circuit and control method thereof
04/24/2013CN103066835A Power supply circuit, power supply unit thereof and power supply method thereof
04/24/2013CN103066834A Staggered parallel high-gain boost type direct current (DC) converter
04/24/2013CN103066833A Switching power supply converter and circuit capable of improving charge pump charge-discharge current match degree
04/24/2013CN103066832A Charge pump capable of being started quickly
04/24/2013CN103066831A Control circuit and control method
04/24/2013CN103066830A General use seawater activating circuit
04/24/2013CN103066829A Unibus device power supply and consumable chip
04/24/2013CN103066828A Work power source of alternating current driver main control panel
04/24/2013CN103066824A Auxiliary power supply used for switching power supply and driving method of the auxiliary power supply
04/24/2013CN103066817A Ripple refection circuit and power supply system and ripple refection method thereof
04/24/2013CN103066680A Back-up source charging circuit of alternating current driver
04/24/2013CN103065763A Magnetizing apparatus on basis of flywheel energy storage
04/24/2013CN103063326A Method for measuring temperature of electrolytic capacitor and system thereof
04/24/2013CN102342009B Method for portioning output current of dc-dc converter between its output capacitor and its power stage
04/24/2013CN102157970B High-transformation ratio isolated solar charging controller with MPPT function
04/24/2013CN102130596B Switching converter with wide input voltage range
04/24/2013CN102111069B Charge pump structure and startup method of charge pump
04/24/2013CN102097944B DC-DC converter with protection control port
04/24/2013CN102055353B Three-switch double-capacitor three-phase alternating current (AC)-direct current (DC) converter with high power factor
04/24/2013CN102055352B Three-phase AC-DC (alternating current-direct current) converter having three-switch, single-capacitor and high power factor
04/24/2013CN102043078B Accurate current detection circuit with ultra-low voltage supply
04/24/2013CN102035391B High-frequency isolation type three-electric-level DC-DC (direct current-direct current) convertor based on Cuk convertor
04/24/2013CN101951159B Capacitor isolated type multipath constant current output resonant mode DC/DC transformer
04/24/2013CN101950987B Inverter control circuit of storage battery
04/24/2013CN101909924B Fuel cell system and fuel cell boosting converter
04/24/2013CN101908823B Method and apparatus to limit output power in a switching power supply
04/24/2013CN101888179B DC/DC control and drive circuit of hybrid power excavator
04/24/2013CN101854122B High-voltage inverted low-voltage chopped-mode welding power supply
04/24/2013CN101842971B Dc-dc converter circuit
04/24/2013CN101809854B Voltage/current control apparatus and method
04/24/2013CN101647183B Power supply device and regulating method thereof
04/24/2013CN101515753B Shut-off device of semi-controlled power electronic device and inverter bridge leg and high-pressure transducer
04/24/2013CN101291111B Method and apparatus for sensing voltages from a single terminal of power converter controller
04/24/2013CN101286706B Unipolar or bipolar chopping converter with three magnetically coupled windings
04/24/2013CN101183828B Integrated switch with internally adjusted conduction time
04/23/2013US8428539 Spread spectrum isolator
04/23/2013US8427851 Charge pump circuit and methods of operation thereof
04/23/2013US8427850 Switching power supply device with a switching control circuit
04/23/2013US8427849 Start-up circuit for power converters with wide input voltage range
04/23/2013US8427848 Variable time clamp for a power supply controller
04/23/2013US8427847 Resonant converter
04/23/2013US8427846 Inverter circuit having a controller to supply a reactive current on a phase with a voltage drop
04/23/2013US8427127 Control loop for switching power converters
04/23/2013US8427124 Method and apparatus for maintaining a constant load current with line voltage in a switch mode power supply