Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
06/2011
06/22/2011DE102006033348B4 Resonanzwandler Resonant converter
06/22/2011CN201878379U Cold cathode fluorescent lamp (CCFL) induction lamp circuit
06/22/2011CN201878243U DC/DC converter for obtaining stable low voltage and telephone power supply circuit
06/22/2011CN201878016U Logical link control (LLC) resonant direct current-direct current (DC-DC) power supply capable of changing resonant frequency by changing capacitance
06/22/2011CN201878015U Logical link control (LLC) resonant direct current (DC)-direct current (DC) power supply capable of changing resonant frequency for vehicle
06/22/2011CN201878014U Feedback load energy-saving circuit for aging testing
06/22/2011CN201878013U Switching power source
06/22/2011CN201878012U Power supply device
06/22/2011CN201878011U Flyback switching power supply and UPS (Uninterrupted Power Supply) power board
06/22/2011CN201878010U Switching power supply loop design circuit
06/22/2011CN201878009U High-capacity capacitor tower
06/22/2011CN201878008U Driving circuit with adjustable power supply for ecological room
06/22/2011CN102106068A Method of forming a switching regulator and structure therefor
06/22/2011CN102106067A Delay compensation for a DC-DC converter
06/22/2011CN102105007A LED constant-current driver with boosting function
06/22/2011CN102104365A Power amplifying circuit, DC-DC converter, peak holding circuit, and output voltage control circuit including the peak holding circuit
06/22/2011CN102104339A Method and apparatus for varying current limit to limit an output power of a power supply
06/22/2011CN102104338A Power supply device and image forming apparatus
06/22/2011CN102104337A Power supply and image forming apparatus
06/22/2011CN102104336A Fast recovery voltage regulator
06/22/2011CN102104335A Three-terminal voltage regulator for power supply
06/22/2011CN102104334A Clean transition between CCM and DCM in valley current mode control of DC-to-DC converter
06/22/2011CN102104333A Three-level half-bridge voltage balance converter
06/22/2011CN102104332A Integrated high-power chopper and high-frequency switch power supply
06/22/2011CN102104331A Frequency compensating circuit suitable for switched-capacitor direct-current voltage converter
06/22/2011CN102104330A Reduced current charge pump
06/22/2011CN102104329A A sub-stage for a charge pump
06/22/2011CN102104328A Charge pump circut
06/22/2011CN102104327A Voltage conversion device
06/22/2011CN102104326A Vehicle-used DC-to-DC conversion device with communication function
06/22/2011CN101572431B Continuous control-based constant-current restricted-voltage control system
06/22/2011CN101557164B Low-voltage power-generating circuit and device thereof
06/22/2011CN101552560B Switch voltage-stabilizing circuit and control method thereof
06/22/2011CN101453170B Electric power circuit with discrete components
06/22/2011CN101404449B Voltage converter and voltage conversion control method
06/22/2011CN101039068B Power electronics equipments
06/21/2011US7965528 Method and apparatus for measuring the switching current of power converter operated at continuous current mode
06/21/2011US7965524 Method and apparatus to reduce audio frequencies in a switching power supply
06/21/2011US7965523 Switching power supply device
06/21/2011US7965522 Low-loss noise-resistant high-temperature gate driver circuits
06/21/2011US7965151 Pulse width modulator with two-way integrator
06/21/2011US7965067 Dynamic compensation for a pre-regulated charge pump
06/16/2011WO2011069366A1 Full voltage range llc resonant converter and control method thereof
06/16/2011WO2011043912A3 Method and apparatus for power driving
06/16/2011WO2011027300A3 Electrical energy conversion circuit device
06/16/2011WO2011024063A3 Capacitor for dc-dc converter, dc-dc converter, and fuel cell system
06/16/2011WO2011019707A3 System and method for power factor correction frequency tracking and reference generation
06/16/2011WO2011019705A3 System and method for current balancing
06/16/2011WO2011016974A3 Controlling power loss in a switched-capacitor power converter
06/16/2011US20110141771 Electric power system including power converter and rotary transformer and method of assembling same
06/16/2011US20110141770 Power supply discontinuous input voltage extender
06/16/2011DE102009054692A1 PFC mit verringerten Pinanzahlanforderungen für einen Steuer-/Regel-IC PFC with reduced Pinanzahlanforderungen for a control / regulating IC
06/15/2011EP2333955A1 Method and device for generating a pulse-width modulated signal sequence
06/15/2011EP2333945A2 Power supplying device
06/15/2011EP2333944A1 Current detecting circuit and transformer current measuring system
06/15/2011EP2332658A1 High voltage controller with improved monitoring and diagnoctics
06/15/2011EP1867034B1 Circuit for the generation of two symmetrical buses of tension with respect to the negative of the feeding tension
06/15/2011CN201869128U Solar energy photovoltaic power generation system and AC module thereof
06/15/2011CN201869103U Variable-voltage power supply
06/15/2011CN201869102U DC/DC changer of photovoltaic high-frequency isolating boosting soft switch
06/15/2011CN201869101U Isolating drive circuit
06/15/2011CN201869100U Isolated switch power supply circuit, isolated switch power supply and multimedia equipment
06/15/2011CN201869099U Low-power single/double output power circuit device
06/15/2011CN201869098U Dual-output power supply circuit device
06/15/2011CN201869097U DC/DC converter topological structure having isolation function and provided with soft switches
06/15/2011CN201869096U Switching power supply capable of reducing temperature rise of switching tube
06/15/2011CN201869095U Adjustable pulse output control circuit with heavy current frequency duty ratio
06/15/2011CN201869094U Voltage-stabilizing circuit based on MOS tube
06/15/2011CN201868922U USB (universal serial bus) charging circuit
06/15/2011CN201868911U Power inverter for automobile electronic equipment
06/15/2011CN102099993A A controlled overlap driver circuit
06/15/2011CN102099992A Power supply device
06/15/2011CN102099991A Voltage boosting circuit
06/15/2011CN102097978A Photovoltaic system and boost converter thereof
06/15/2011CN102097966A Cascade megawatt photovoltaic grid-connected inverter
06/15/2011CN102097962A Switching power supply dual-output cross adjustment circuit
06/15/2011CN102097956A High-frequency high-voltage high-power power supply for electrostatic dust removal
06/15/2011CN102097955A Voltage source for high-voltage direct current transmission converter valve running test
06/15/2011CN102097951A DC/DC module power supply
06/15/2011CN102097950A Flyback switched capacitor regulator
06/15/2011CN102097949A Switching power supply and controlling method thereof
06/15/2011CN102097948A High potential direct current (DC) voltage energy-taking power supply
06/15/2011CN102097947A Method and device for expanding power of single-ended flyback switching mode power supply
06/15/2011CN102097946A Multifunctional rectification and inversion electric energy feedback load
06/15/2011CN102097945A Switching power supply for increasing transmission rate of asymmetrical digital subscriber loop modem (ADSL MODEM)
06/15/2011CN102097944A DC-DC converter with protection control port
06/15/2011CN102097943A Dual-input direct-current (DC) converter
06/15/2011CN102097942A High voltage power supplying apparatus and image forming apparatus having the same
06/15/2011CN102097941A Dual PWM (pulse width modulation) integrated gate commutated thyristor three-level power cabinet
06/15/2011CN102097940A Boost-buck switching power supply circuit of constant time and control circuit and method thereof
06/15/2011CN102097939A Current sampling circuit
06/15/2011CN102097938A Method and apparatus for controlling short circuit currents in DC/DC switch voltage regulator
06/15/2011CN102097937A Voltage stabilization type power supply transformation circuit
06/15/2011CN102097936A Range-enhanced electromobile generating system
06/15/2011CN102097935A Buck power supply converter and method thereof
06/15/2011CN102097934A Hysteresis mode buck DC/DC (direct current/direct current) switch converter
06/15/2011CN102097933A Charge pump and method thereof
06/15/2011CN102097932A Charge pump and method thereof
06/15/2011CN102097931A Method for supplying power to vehicle-mounted terminal equipment and vehicle-mounted equipment
06/15/2011CN102097839A Voltage and current adaptive control circuit