Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
08/2013
08/06/2013US8503197 Power supply apparatus and image forming apparatus
08/06/2013US8503196 Feedback circuit and control method for an isolated power converter
08/06/2013US8503195 System and method for zero volt switching of half bridge converters during startup and short circuit conditions
08/06/2013US8503194 Bidirectional signal conversion
08/06/2013US8503193 Open loop DC to DC converters with enable/disable circuits
08/06/2013US8503139 High dimming ratio control and short circuit protection for LED drive with step up converter
08/06/2013US8502594 Bootstrap transistor circuit
08/06/2013US8502517 Method and apparatus for controlling the maximum ouput power of a power converter
08/06/2013CA2602930C Adaptor, assembly of battery pack and adaptor, and electric tool with the same
08/06/2013CA2439355C Mobile power generation system
08/01/2013WO2013112609A1 Switch wear leveling
08/01/2013WO2013111821A1 Control apparatus for voltage conversion apparatus
08/01/2013WO2013111437A1 Switching power supply device
08/01/2013WO2013111290A1 Switching regulator
08/01/2013WO2013111261A1 Power conversion apparatus and method for manufacturing same
08/01/2013WO2013072299A3 Circuit arrangement having out-of-phase charge pumps for charing an electrical energy store
08/01/2013US20130194842 Control device of a switching power supply
08/01/2013US20130194837 Control circuit and method for a flyback converter to compensate for an entry point of a burst mode
08/01/2013US20130194836 Isolated Flyback Converter With Efficient Light Load Operation
08/01/2013US20130194835 Flyback converter with forward converter reset clamp
08/01/2013US20130194834 Power system with shared clamp reset
08/01/2013US20130194832 Converter driving circuit, dual-mode llc resonant converter system, and method of driving dual-mode llc resonant converter
08/01/2013US20130194831 Resonant converter with auxiliary resonant components and holdup time control circuitry
08/01/2013US20130194830 Power supply device
08/01/2013US20130194829 Inverter output rectifier circuit
08/01/2013US20130194828 Inverter output rectifier circuit
08/01/2013US20130194827 Switching power supply
08/01/2013US20130194826 Controller for a Switch and Method of Operating the Same
08/01/2013US20130194698 Power converter, control method of power converter, and hard disk drive
08/01/2013DE102013100760A1 Ein schaltnetzteil A switching power supply
08/01/2013DE102012014178A1 Vorrichtung und Verfahren zum Laden mindestens einer Traktionsbatterie eines Elektrofahrzeugs Apparatus and method for loading at least of a traction battery of an electric vehicle
08/01/2013DE102012002078A1 Battery device for mobile system, has converter and connection unit that are realized as inductively operating switching converter controlled in two directions at both high-voltage and low-voltage
07/2013
07/31/2013EP2621069A2 Flyback converter with primary side voltage sensing and overvoltage protection during low load operation
07/31/2013EP2621068A1 Bypass control in a DC-to-DC converter
07/31/2013EP2619891A2 Dc-dc converter comprising dc power sources to be connected in parallel or in series
07/31/2013EP2619890A2 Method and device for current driven electric energy conversion
07/31/2013CN203104311U Digital power source module
07/31/2013CN203104309U 12W high-efficiency energy-saving power source adapter
07/31/2013CN203104308U 5W high-efficiency energy-saving power source adapter
07/31/2013CN203104295U Underground detection device power supply of electric submersible pump unit
07/31/2013CN203104294U Modularized highly efficient DC/DC converter
07/31/2013CN203104293U Switching power supply and switching power supply integrated circuit
07/31/2013CN203104292U DC/DC (Direct Current/Direct Current) high voltage power supply
07/31/2013CN203104291U Large-power high-efficiency switching power supply with soft starting circuit
07/31/2013CN203104290U Compensation-type wide-range stabilized power supply
07/31/2013CN203104289U Soft switching device
07/31/2013CN203104288U Direct current discharging device with wide input range
07/31/2013CN203104287U A charging and discharging circuit and a timing circuit
07/31/2013CN203104286U Current maintenance circuit
07/31/2013CN203104285U Voltage regulating energy-saving device of wireless sensor network
07/31/2013CN203104265U Feedback circuit which reduces ripple noise
07/31/2013CN203104025U Practical battery-powered voltage-stabilized source circuit
07/31/2013CN1599218B Method and circuit for optimizing power efficiency in a DC-DC converter
07/31/2013CN103229595A Driver circuit with primary side state estimator for inferred output current feed back sensing
07/31/2013CN103229404A Voltage sensing arrangement for a flyback converter
07/31/2013CN103229403A Switching power-supply circuit
07/31/2013CN103229402A Methods and systems for controlling electrical power to dc loads
07/31/2013CN103229401A Ac/dc power conversion methods and apparatus
07/31/2013CN103229400A Method and device to protect an ESP power supply from transient over-voltages on the power grid
07/31/2013CN103228080A LED drive circuit without electrolytic capacitor
07/31/2013CN103227628A IGBT (Insulated Gate Bipolar Transistor) drive module for electric automobile
07/31/2013CN103227610A Motor control circuit and automobile
07/31/2013CN103227577A Power converting apparatus and photovoltaic module
07/31/2013CN103227576A Constant current drive control circuit with high power factor and drive device
07/31/2013CN103227574A Bridgeless PFC converter working in Buck mode or Buck-Boost mode
07/31/2013CN103227569A Half bridge flyback and forward
07/31/2013CN103227568A Flyback converter with primary side voltage sensing and overvoltage protection during low load operation
07/31/2013CN103227567A Double-switch voltage reduction type direct current-direct current switching circuit
07/31/2013CN103227566A DC-DC converter
07/31/2013CN103227565A Flow control oscillation circuit and power supply
07/31/2013CN103227563A Intelligent digital control switch power supply
07/31/2013CN103227559A Method of forming a switched mode power supply controller device with an off mode and structure therefor
07/31/2013CN103227483A Solar charger capable of charging various batteries
07/31/2013CN103227474A Photovoltaic power generation grid-connected system based on solid-state transformer
07/31/2013CN102263496B Power equalizing control method for multi-module DC-DC (Direct Current-Direct Current) convertor
07/31/2013CN102104331B Frequency compensating circuit suitable for switched-capacitor direct-current voltage converter
07/31/2013CN102097937B Voltage stabilization type power supply transformation circuit
07/31/2013CN102055333B Voltage regulator structure
07/31/2013CN102025276B Clock domain crossing controller of digital control switch power supply and control method thereof
07/31/2013CN102005927B Device and method for modifying resonance drift of serial connection resonance switch converter by using table checking method
07/31/2013CN101944850B Voltage step-up and down switching power circuit as well as control circuit and method thereof
07/31/2013CN101919146B Buck converter for making power available to at least one led
07/31/2013CN101908824B Method and apparatus for input charge control of a power supply
07/31/2013CN101884159B Multiple-voltage power supply apparatus
07/31/2013CN101689811B Standby operation of a resonant power converter
07/31/2013CN101682257B Solar powered apparatus
07/31/2013CN101578757B Pulse width modulation sequence maintaining maximally flat voltage during current transients
07/31/2013CN101369778B Switched-mode power supply and power supplying method thereof
07/30/2013US8498135 Switching mode power supply with spectrum shaping and the method thereof
07/30/2013US8498134 Voltage converter circuit and method for a clock supply of energy to an energy storage
07/30/2013US8498132 Method and apparatus for regulating a diode conduction duty cycle
07/30/2013CA2598932C Exciter assemblies
07/30/2013CA2541592C Circuit arrangement and method for controlling a pulsed power supply
07/25/2013WO2013110090A1 Enhanced flyback converter
07/25/2013WO2013109761A1 System and method for power transfer control
07/25/2013WO2013108429A1 Switching power supply device and pulse width modulation circuit used therein
07/25/2013WO2013108066A1 Dc/dc converter with step -down step -up cascade and method for operating it
07/25/2013WO2013107549A1 Driver circuit for light emitting diodes
07/25/2013WO2013107322A1 Interleaving three-level dc/dc converter and ac/dc converter
07/25/2013WO2013016537A3 Dual boost converter for ups system
1 ... 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 ... 545