Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
11/2009
11/19/2009US20090284989 Flyback system power source apparatus
11/19/2009US20090284076 Fault-tolerant battery set and start-up battery module
11/19/2009DE102009021328A1 Temperatur- und Prozess-unabhängige spannungsgesteuerte Oszillatorschaltung Temperature and process independent voltage controlled oscillator circuit
11/19/2009CA2761979A1 Circuit and method for ultra-low idle power
11/19/2009CA2723380A1 System and method using a current mirror to program an output voltage and current
11/18/2009EP2119320A1 A method and device for driving a circuit element
11/18/2009EP2118992A1 Electronic security for a power supply
11/18/2009CN201349254Y Telephone circuit voltage doubling system realizing remote power supplying for outdoor public telephone
11/18/2009CN201349180Y Synchronous rectifier driving circuit
11/18/2009CN201349179Y Switching power circuit for pulper
11/18/2009CN201349178Y Digital power control unit
11/18/2009CN201349177Y LCD regulated power supply circuit
11/18/2009CN201349138Y Electric locomotive charger
11/18/2009CN201347100Y Multi-functional rectification circuit for railway turnout indication circuit
11/18/2009CN101582667A Petroleum extractor super capacitor auxiliary power system
11/18/2009CN101582647A High-accuracy pulse/direct current digital power of ionic accelerator
11/18/2009CN101582643A Switching power supply
11/18/2009CN101582642A Electromagnetic interference resistance power converter
11/18/2009CN101582641A Low-electromagnetic interference power converter
11/18/2009CN101582640A High-efficiency low-electromagnetic interference power converter
11/18/2009CN101582639A Switch power supply circuit
11/18/2009CN101582638A Switching power source apparatus
11/18/2009CN101582637A Power source apparatus
11/18/2009CN101582636A Voltage detecting circuit and switching power source apparatus
11/18/2009CN101582635A Direct current boosting power device of three-dimensional resistivity imaging system
11/18/2009CN101582634A Power converter, controller for output current of power converter and control method thereof
11/18/2009CN101582632A Switching power supply and electric equipment using switching power supply
11/18/2009CN101582598A Energy efficiency power supply device
11/18/2009CN101582415A Semiconductor device
11/18/2009CN101581924A High-accuracy general soft-core digital power regulator of ionic accelerator
11/18/2009CN101581920A High-accuracy general digital power regulator of ionic accelerator
11/18/2009CN100561848C Control circuit for switching power supply
11/18/2009CN100561843C Power circuit
11/18/2009CN100561842C Control circuit for current and voltage control in a switching power supply
11/18/2009CN100561841C Electric power converter
11/18/2009CN100561840C Zero-voltage switch full-bridge direct current converter
11/18/2009CN100561839C Wind power generation power conversion device of direct-driving type permanent magnet synchronous motor
11/18/2009CN100561838C Switching regulator
11/17/2009US7619910 Interleaved soft switching bridge power converter
11/17/2009US7619909 Control circuit for adjusting leading edge blanking time and power converting system using the same control circuit
11/17/2009US7619904 Pulse signal drive circuit
11/17/2009US7619903 Switching mode power supply and a method of operating the power supply in a power save mode
11/17/2009US7619394 Capacitor charger with a modulated current varying with an input voltage and method thereof
11/17/2009US7619344 Armature of rotary electric machine and manufacturing method thereof
11/17/2009US7619200 Device system and method for coupling multiple photovoltaic arrays
11/17/2009CA2445465C Imaging device and method for controlling same
11/17/2009CA2428747C Charge pump power supply
11/12/2009WO2009136602A1 Switching power supply device
11/12/2009WO2009136590A1 Power supply device
11/12/2009WO2009136369A2 Frequency controlled capacitive power converter
11/12/2009WO2009136368A1 Charge pump dc-dc converter
11/12/2009WO2009135815A1 Fast precision charge pump
11/12/2009WO2009101300A3 Ac/dc converter with galvanic insulation
11/12/2009WO2009084569A4 Electric discharge lamp lighting device, projector and method for controlling electric discharge lamp lighting device
11/12/2009US20090279368 Circuit and method for generating pumping voltage in semiconductor memory apparatus and semiconductor memory apparatus using the same
11/12/2009US20090279327 Insulated dc-dc converter
11/12/2009US20090279326 Switching power source apparatus
11/12/2009US20090278478 DC voltage converter
11/12/2009DE102009002731A1 Synchrongleichrichter-Steuerschaltung und -verfahren Synchronous rectifier control circuit and method
11/12/2009DE10020941B4 Prozesstransmitter mit Step-up-Wandler zur Spannungsversorgung analoger Komponenten Process Transmitters with step-up converter for power supply analog components
11/11/2009EP2117106A1 Power supply system, vehicle using the same, and its control method
11/11/2009EP2117099A1 System and method for dynamic power management of a mobile device
11/11/2009EP2115863A1 Load current detection in electrical power converters
11/11/2009EP2115862A1 Power supply unit
11/11/2009EP2115861A1 Circuit for output voltage error detect and feedback in smps
11/11/2009EP2115860A1 Gate drive voltage selection for a voltage regulator
11/11/2009EP1920525B1 Control system for a voltage converter and method
11/11/2009CN201345780Y Printed circuit board scrapping burn-out device
11/11/2009CN201345758Y LED high-efficiency time-delay power control constant-current module
11/11/2009CN201345616Y Auxiliary output circuit of switch power supply
11/11/2009CN201345614Y High-power audio power amplifier switching power supply circuit
11/11/2009CN201345613Y Voltage adjusting device for load starting
11/11/2009CN201345612Y Power supply circuit of display
11/11/2009CN201345611Y Ultra-low voltage running device for separate wall-hanging rated air-conditioner
11/11/2009CN201342781Y Multi-function injection molding machine electricity-saving controller
11/11/2009CN101578758A Switching power supply device
11/11/2009CN101578757A Pulse width modulation sequence maintaining maximally flat voltage during current transients
11/11/2009CN101578756A Power converter with snubber
11/11/2009CN101578713A Driving circuit for light emitting element, and electronic device
11/11/2009CN101578192A Electric power feeding system
11/11/2009CN101577993A Solar energy LED drive control circuit for multiplexing DC/DC converter
11/11/2009CN101577495A Current converting circuit
11/11/2009CN101577494A Synchronous rectification circuit with intermittent mode controller and control method thereof
11/11/2009CN101577493A Power supply circuit
11/11/2009CN101577492A Power supply circuit
11/11/2009CN101577491A Power supply circuit for providing semiconductor integrated circuit device with a plurality of power supply voltages
11/11/2009CN101577490A Systems and methods for multiple source power conversion
11/11/2009CN101577489A Soft switching converter suitable for sensitive bidirectional current loads
11/11/2009CN101577488A Efficient multi-mode DC-DC converter in wide voltage conversion range
11/11/2009CN101577480A Restricting signal generator, pulse wave width modulation control circuit and control method thereof
11/11/2009CN101576063A Wind-light-complementing integrated generating device
11/11/2009CN100559714C Drive state detection circuit
11/11/2009CN100559690C Primary side controlled switching regulator
11/11/2009CN100559689C Dc/dc converter
11/11/2009CN100559687C Power supplier and its ripple attenuation device
11/11/2009CN100559320C Testing apparatus and electric source circuit
11/10/2009US7616465 Energy storage and hold-up method and apparatus for high density power conversion
11/10/2009US7616462 Power supply controller to actively drive a load current when the load current exceeds a set point
11/10/2009US7616459 System and method for a primary feedback switched mode power supply
11/10/2009US7616458 PWM current controlling apparatuses capable of optimally correcting load current