Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
05/2008
05/06/2008US7368833 Multichannel DC/DC converter
05/06/2008US7368691 Induction heating apparatus
05/06/2008US7367296 Bi-directional power electronics circuit for electromechanical valve actuator of an internal combustion engine
05/02/2008WO2008051119A1 Microwave transmission line dc/dc converter
05/02/2008WO2008050619A1 Power supply and microwave generator using same
05/02/2008WO2008050273A2 Class d amplifier
05/02/2008WO2008050272A2 Voltage-boosting stage
05/02/2008WO2008049441A1 Power inverter circuit for adjusting symmetry of the ac-voltage without load-coupling
05/02/2008WO2008022232A9 Clamp diode reset in a power converter and power outage detection in a switched mode power supply
05/01/2008US20080101098 Electronic circuit control element with tap element
05/01/2008US20080101097 Dc-dc converter with integrated transformer assembly composed of transformer pair
05/01/2008US20080101096 Switching power supply unit
05/01/2008US20080100378 Circuits and methods for controlling a switch
05/01/2008US20080100275 Method and apparatus to reduce maximum power from a power supply with transition region regulation
05/01/2008US20080100233 Apparatus Comprising a Charge Pump and Lcd Driver Comprising Such an Apparatus
05/01/2008US20080100232 Power Supply Apparatus, Light Emitting Apparatus, and Display Apparatus
04/2008
04/30/2008EP1916761A1 Method and circuit for controlling a switched-mode power supply
04/30/2008EP1916760A2 Switching power supply unit
04/30/2008EP1916759A1 Dc/dc converter and power amplifier to which the same has been applied
04/30/2008EP1916047A1 Improved three stage power source for electric arc welding with unregulated inverter second stage
04/30/2008EP1915815A1 Motor drive circuits
04/30/2008DE102006049228A1 Electromagnetic compatibility, durability, power dissipation optimizing method for inductive load's synchronized operation arrangement, involves controlling gate of free-wheel transistor, so that output voltage of transistor is small
04/30/2008DE10109151B4 Verfahren und System zur Regelung der Ausgangsgrößen eines Brennstoffzellen-Strom- oder -Spannungsgenerators Method and system for controlling the output variables of a fuel cell power or -Spannungsgenerators
04/30/2008CN201054553Y Power supply device for radio sensor network node based on piezoelectric porcelain vibration power generation
04/30/2008CN201054545Y Middle power multi-channel output thin switch power supply
04/30/2008CN201054544Y Non contact rotary power converter
04/30/2008CN101171740A Capacitor charging methods and apparatus
04/30/2008CN101171678A Semiconductor device, power supply device, and information processing device
04/30/2008CN101170285A Self-exited resonance system
04/30/2008CN101170280A A realization method of high-end drive circuit and its circuit
04/30/2008CN101170279A Dual-bridge DC-DC converter and its control method
04/30/2008CN101170278A A bridge soft shutdown circuit
04/30/2008CN101170277A DC-DC converter and its controlling method
04/30/2008CN101170276A 负载保护电路 Load protection circuit
04/30/2008CN101170275A Charge pump circuit and boost circuit
04/30/2008CN101170274A Control circuit with bottom potential shift device for transferring input signal and corresponding method
04/30/2008CN101168210A Improved three stage power source for electric arc welding
04/30/2008CN100385781C Current equalizing method and apparatus for alternately controlling power factor correcting circuit
04/29/2008US7366000 Half bridge inverter
04/29/2008US7365997 Synchronous switching control circuit for power converters
04/29/2008US7365996 Switched-mode power supply
04/29/2008US7365995 Power converter
04/29/2008US7365928 Write driver with improved boosting circuit and interconnect impedance matching
04/29/2008US7365661 Power converter circuitry and method
04/29/2008US7365591 Voltage generating circuit
04/29/2008US7365578 Semiconductor device with pump circuit
04/29/2008CA2441365C Electric arc welder for variable ac input
04/24/2008WO2008049044A2 Predictive duty ratio generating circuit and method for synchronous boost converters operating in pfm mode
04/24/2008WO2008048865A2 Pulse width modulation sequence generating a near critical damped step response
04/24/2008WO2008048725A1 Current generation architecture for an implantable stimulator device having coarse and fine current control
04/24/2008WO2008047617A1 Converter control device
04/24/2008WO2008047616A1 Converter control device
04/24/2008WO2008047186A2 A zero voltage zero current switching converter
04/24/2008WO2008020385A3 Dc/dc-converter
04/24/2008US20080094868 Power system for a telecommunications network
04/24/2008US20080094862 High power-factor AC/DC converter with parallel power processing
04/24/2008US20080094861 Predictive duty ratio generating circuit and method for synchronous boost converters operating in PFM mode
04/24/2008US20080094860 Bidirectional battery power inverter
04/24/2008US20080094859 Switching power supply unit
04/24/2008US20080094858 Power Converter
04/24/2008US20080094128 Charge Pump Circuit Driver Circuit Having A Plurality Of Oscillators
04/24/2008US20080094047 Primary side constant output voltage controller
04/24/2008US20080094041 Switched Capacitor Controller and Method Therefor
04/24/2008US20080094019 Bidirectional buck-boost power converters
04/24/2008US20080094001 Power supply apparatus, backlight assembly and liquid crystal display apparatus having the same
04/24/2008DE112005000013B4 Schaltstromversorgungsvorrichtung Switching power supply device
04/24/2008DE102007035607A1 Systeme und Verfahren zum Treiben einer Last Systems and methods for driving a load
04/24/2008CA2665422A1 Current generation architecture for an implantable stimulator device having coarse and fine current control
04/23/2008EP1914871A1 Switched-mode power supply system and variable-speed drive comprising such a system
04/23/2008EP1914870A1 Overcurrent protection for a buck-boost switching regulator
04/23/2008EP1914869A1 Device for the interconnection and the control of electrical systems of a vehicle
04/23/2008EP1914670A2 Semiconductor device
04/23/2008EP1913680A1 Electrical current source, in particular welding current source
04/23/2008EP1913669A1 Ups system
04/23/2008EP1913596A1 Voltage down converter for high speed memory
04/23/2008EP1913455A2 Dc-dc converter with switchable estimators
04/23/2008EP1342227A4 Energy recovering circuit with boosting voltage-up and energy efficient method using the same
04/23/2008CN201051719Y Controllable digital high-voltage power supply for current conversion technology
04/23/2008CN201051716Y An integrated electrode peak voltage absorption and voltage clamp circuit
04/23/2008CN201051715Y A two-line switch open status power supply circuit
04/23/2008CN101167241A Resonant dc/dc converter with zero current switching
04/23/2008CN101167240A Switched-mode power supply regulation
04/23/2008CN101167239A Method of forming a buck-boost mode power supply controller and structure therefor
04/23/2008CN101167238A Adaptive power control for hysteretic regulators
04/23/2008CN101167237A Switch capacitance controller and its method
04/23/2008CN101166001A Active bi-directional electric power adjuster
04/23/2008CN101166000A Loaded self-adaptive switch electric power source
04/23/2008CN101165999A Voltage-booster power supply circuit
04/23/2008CN101165892A Method for power block
04/23/2008CN100384071C Input stage circuit of three-level DC converter
04/23/2008CN100384070C Power converting module device and power unit using it
04/23/2008CN100384069C Power source system
04/23/2008CN100384068C Driving circuit for DC/DC converter voltage and level transferring method
04/23/2008CN100384067C Power supply stabilizing device having active ballasting function and method thereof
04/23/2008CN100384050C Power source device and charge controlling method to be used in same
04/22/2008US7362600 Method and apparatus for cycle error correction for a power converter device, such as an electronic power inverter
04/22/2008US7362596 Transformer balance circuit
04/22/2008US7362595 DC-DC converter
04/22/2008US7362594 Adaptive resonant switching power system
04/22/2008US7362593 Switching control circuit having off-time modulation to improve efficiency of primary-side controlled power supply