Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
03/2008
03/26/2008CN100377482C Voltage regulating system
03/26/2008CN100377481C Integration converton with three phase power factor correction
03/26/2008CN100377466C Blending power supply equipment, and power supply management method thereof
03/25/2008US7349229 Causal sampling circuit for measuring reflected voltage and demagnetizing time of transformer
03/25/2008US7348767 Bidirectional power conversion with multiple control loops
03/25/2008US7348760 Power management topologies
03/25/2008US7348689 Switching circuit and a method of operation thereof
03/25/2008US7346979 Method for winding an energy transfer element core
03/25/2008CA2462757C Pulse width modulator having reduced signal distortion at low duty cycles
03/21/2008CA2603699A1 Integrated switch-mode power supply and linear regulator
03/20/2008WO2008033984A2 Circuitry for supplying electrical power to loads
03/20/2008WO2008032768A1 Pfc controller, switching regulator and power supply circuit
03/20/2008WO2008032425A1 Dc/dc power converting apparatus
03/20/2008WO2008032424A1 Dc/dc power converter
03/20/2008WO2008032362A1 Dc/dc converter device
03/20/2008WO2008012430A3 Electric circuit for powering a control module comprising two powering modes
03/20/2008WO2008000978A3 Method and device for charging an electrical energy storage element, in particular an ultracapacitor
03/20/2008WO2006138477A8 High voltage full bridge circuit and method for operating the same
03/20/2008US20080068869 Voltage up-and-down DC-DC convertor
03/20/2008US20080068868 Power MESFET Rectifier
03/20/2008US20080068867 Integrated circuit and DC-DC converter formed by using the integrated circuit
03/20/2008US20080068866 Current-Mode Controlled Dc-Dc Conveter
03/20/2008US20080068865 Asymmetrical direct current to direct current converter using nand gate
03/20/2008US20080068367 Plasma television and power supply circuit
03/20/2008US20080067987 Variable voltage regulating device
03/19/2008EP1900602A1 Electric power steering system
03/19/2008EP1900087A2 Switch mode power supply control systems
03/19/2008EP1900086A1 A method and device for lowering the impedance of a fet (field effect transistor)
03/19/2008EP1899944A2 Automatic voltage selection for series driven leds
03/19/2008EP1899785A1 Efficient charge pump for a wide range of supply voltages
03/19/2008EP1899753A1 Apparatus for producing an electric signal provided with luminous means characterizing said signal
03/19/2008CN201039333Y Voltage conversion circuit and TV set with this circuit
03/19/2008CN201039117Y A remote control switch for single phase line load on/off control
03/19/2008CN201039025Y Current commutating and voltage reduction current limit device
03/19/2008CN201039013Y Reverse conversion soft switch device
03/19/2008CN201039012Y Components for color TV switch power
03/19/2008CN201039011Y All-purpose power adapter
03/19/2008CN201039010Y Full-bridge phase shift zero-voltage soft switch reverse conversion arc welding power
03/19/2008CN201039009Y Work frequency AC/DC power supply device for gas engine in industrial mine
03/19/2008CN201039008Y A three-channel module power device and module power circuit
03/19/2008CN201039007Y A dual-channel module power device and module power circuit
03/19/2008CN201039006Y High performance and high integration DC/DC voltage ascending machine
03/19/2008CN201039005Y A power conversion circuit
03/19/2008CN201039004Y Separated dual closed remote sampling voltage stabilizing device for multi-switch power module
03/19/2008CN201039003Y DC voltage converter
03/19/2008CN201038988Y A single-channel module power device and module power circuit
03/19/2008CN201038819Y Efficient solar lamp controller
03/19/2008CN201038818Y Reversible charge-reverse conversion power control device
03/19/2008CN201038795Y High-frequency emergency power supply unit
03/19/2008CN201038743Y Point machine motor threshold voltage circuit
03/19/2008CN201038489Y External pressure-variable receptacle
03/19/2008CN101147315A Switching power supply circuit
03/19/2008CN101147314A Exciter assembly
03/19/2008CN101145736A A DC/DC converter of mixed driven car
03/19/2008CN101145735A A low-voltage and high-current modular transformer circuit
03/19/2008CN101145734A Control method for interleaved dual-tube positive excitation converter
03/19/2008CN101145733A Method and circuit for controlling dc-dc converter
03/19/2008CN101145732A Ripple generation in buck regulator using fixed on-time control
03/19/2008CN101145731A Control circuit of power supply unit, power supply unit and control method thereof
03/19/2008CN101145730A 电源供应装置 Power supply means
03/19/2008CN101145729A DC-DC converter and method
03/19/2008CN101145728A An ARCP soft switch circuit with voltage clamp function
03/19/2008CN101145699A Power supply system and method for controlling output voltage
03/19/2008CN101145698A Power supply topology with power limiting feedback loop
03/19/2008CN100376075C Bidirection DC/DC converter with neutral point
03/19/2008CA2602930A1 Adaptor, assembly of battery pack and adaptor, and electric tool with the same
03/18/2008US7345896 Secondary side power supply controller and method therefor
03/18/2008US7345895 Adaptive multi-level threshold system and method for power converter protection
03/18/2008US7345894 Cascode switch power supply
03/18/2008US7345893 Boost converter with magnetically coupled and uncoupled inductors
03/18/2008US7345462 Method and apparatus for trimming current limit and frequency to maintain a constant maximum power
03/18/2008US7345461 Semiconductor circuit device and data processing system
03/18/2008US7345458 Booster that utilizes energy output from a power supply unit
03/18/2008US7345379 Power converter with voltage and current fault setting
03/18/2008US7345342 Power semiconductor devices and methods of manufacture
03/13/2008WO2008029660A1 Power supply device
03/13/2008WO2008029659A1 Electronic system, electronic device and power supply device
03/13/2008WO2008029343A2 Resonant power converter
03/13/2008WO2008029330A2 Adaptation circuit for controlling a conversion circuit
03/13/2008WO2008029325A1 Resonant driver with low-voltage secondary side control for high power led lighting
03/13/2008WO2008029030A1 Programmable voltage generator
03/13/2008WO2008028407A1 An isolating self-oscillation flyback converter
03/13/2008WO2008005984A3 Liquid crystal display bias generator
03/13/2008WO2007049220A3 Power converter
03/13/2008WO2006065435B1 Power system with redundant power supply apparatus
03/13/2008US20080062733 Dc-dc converter and method
03/13/2008US20080062732 Method of compensating output voltage distortion of half-bridge inverter and device based on the method
03/13/2008US20080062729 Booster that utilizes energy output from a power supply
03/13/2008US20080062726 Power adapter and power supply system using the same
03/13/2008US20080062725 Multi-channels power converter having power saving means to improve light load efficiency
03/13/2008US20080062724 Bidirectional active power conditioner
03/13/2008US20080062723 Multilayer directional coupler
03/13/2008US20080061755 Synchronous rectification switching regulator and switching method
03/13/2008US20080061754 Switching power supply unit and control method of switching power supply unit
03/13/2008US20080061631 Galvanic isolator
03/13/2008DE202008000144U1 Halbbrücken-Umwandler Half-bridge converter
03/13/2008DE102006041729A1 Schaltung zur getakteten Stromversorgung Circuit for switched mode power supply
03/12/2008EP1523802B1 Bootstrap circuit for switching power supplies
03/12/2008CN201036239Y Rechargeable electric razor
03/12/2008CN201035499Y Energy-saving ATX computer power supply