Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
08/2010
08/12/2010US20100202166 Energy saving lumens settable device for fluorescent lamps
08/12/2010US20100202165 Dynamic Drive of Switching Transistor of Switching Power Converter
08/12/2010US20100202164 Switching power converter for suppressing common mode noise
08/12/2010US20100202163 Flyback power converters
08/12/2010US20100202162 Asymmetrical resonant power converters
08/12/2010US20100202160 Power converter transformer for suppressing conduction emi and power supply having its transformer
08/12/2010US20100202158 Electric power conversion circuit having transfer gain variable by pulse-width modulation
08/12/2010US20100201270 Light emitting diode light tube and ac switching power supply thereof
08/12/2010DE102009044813A1 Vorrichtung zum Transformieren elektrischer Leistung Means for transforming electrical power
08/11/2010EP2216889A2 Method and apparatus for implementing an unregualted dormant mode with an event counter in a power converter
08/11/2010EP2216888A1 Switching power supply and driving method for the same
08/11/2010EP2216877A1 DC/DC converter and method for controlling a DC/DC converter
08/11/2010EP2216876A1 Power supply apparatus for vehicles
08/11/2010CN201550334U Half-bridge switch power supply circuit capable of outputting two paths of constant current sources
08/11/2010CN201550295U Fast heating device of electric heater
08/11/2010CN201550052U Solar power supply system
08/11/2010CN201550033U Switch power supply based on PWM control and charger provided with same
08/11/2010CN201550026U Special photovoltaic control inverter for solar energy
08/11/2010CN201550025U Multipurpose adjustable DC- DC power supply
08/11/2010CN201550024U Double transistor forward high voltage DC electricity getting unit with neutral points
08/11/2010CN201550023U Sampling circuit for switch power supply protection schottky
08/11/2010CN201550022U Power supply stabilizing device
08/11/2010CN201550021U Switching converter transient response speed boosting device
08/11/2010CN201550020U Impulse output and switch output reusable circuit
08/11/2010CN201550015U Modulation switching circuit for switching power supply
08/11/2010CN1900875B Voltage regulator
08/11/2010CN1797902B Electric power steering system, and motor and inverter used in same
08/11/2010CN101803455A Solid state lighting system and a driver integrated circuit for driving light emitting semiconductor devices
08/11/2010CN101803167A Power supply system and voltage stabilizing method
08/11/2010CN101803166A Multiphase dc-dc converter
08/11/2010CN101803165A An apparatus and a method of producing a boosted voltage using a plurality of charge pump circuits
08/11/2010CN101803164A Control of a half bridge resonant converter for avoiding capacitive mode
08/11/2010CN101803163A Multi-channel DC controller operating independently of output power in critical conduction mode
08/11/2010CN101803148A Power supply for a data center
08/11/2010CN101800476A Voltage transformation device and method, as well as power supply system
08/11/2010CN101800475A Link logic control (LLC) resonant converter control method and control device
08/11/2010CN101800474A Switching type adjustor controller and mixed mode controlling method thereof
08/11/2010CN101800473A Switching voltage regulation system and method thereof
08/11/2010CN101800472A Unipolar driving circuit
08/11/2010CN101800471A Isolation circuitry and method for hiding a power consumption characteristic of an associated processing circuit
08/11/2010CN101800470A Main circuit for realizing quick pick-up and release of electromagnet
08/11/2010CN101800417A Method and apparatus for conditional response to a fault condition in a switching power supply
08/11/2010CN101800009A Power supply method and system of LED display screen
08/11/2010CN101459381B Control apparatus and method for Boost type switch converter
08/11/2010CN101420175B Prolonged holding time control device for power supply device
08/11/2010CN101355260B Transformation controller for charging and discharging lithium ion accumulator as well as transformation control method thereof
08/10/2010US7773399 Control apparatus for inhibiting synchronous-rectifier switching elements at low output current in a voltage transforming apparatus
08/10/2010US7773398 DC power source device with timer controlled synchronous rectifiers in the secondary
08/10/2010US7773397 Method and system of controlling a power inverter
08/10/2010US7773395 Uniform converter input voltage distribution power system
08/10/2010US7773394 Digital latch control circuit for over-voltage protection and power converter using the control circuit
08/10/2010US7773393 Switching mode power supply
08/10/2010US7773392 Isolated switching power supply apparatus
08/10/2010US7773391 Direct current to direct current converter with single ended transformer and pulse reverse circuit
08/10/2010US7772955 Method for making magnetic components with N-phase coupling, and related inductor structures
08/10/2010US7772917 Semiconductor device
08/10/2010US7772824 Control method for adjusting leading edge blanking time in power converting system
08/05/2010WO2010087323A1 Base station device
08/05/2010WO2010086995A1 Dc-dc converter circuit
08/05/2010WO2010086946A1 Switching power supply device
08/05/2010WO2010086823A2 Dc/dc converter and ac/dc converter
08/05/2010WO2010086788A2 Converter for single-phase and three-phase operation, d.c. voltage supply and battery charger
08/05/2010WO2009145458A9 Parallel connected switching converter using charge sharing
08/05/2010US20100195355 Switching power converter with load impedance detection
08/05/2010US20100195354 Full-range-duty pwm signal generation method, apparatus, and system using same
08/05/2010US20100195353 Switching power supply apparatus
08/05/2010US20100195352 Power supply apparatus
08/05/2010US20100194368 Current driving method and circuit
08/05/2010US20100194294 Driving circuit for light emitting element, and electronic device
08/05/2010US20100193487 Method And Apparatus For Receiving A Universal Input Voltage In A Welding, Plasma Or Heating Power Source
08/04/2010EP2214299A2 Power supply controller with input voltage compensation for efficiency and maximum power output
08/04/2010EP2214298A1 DC-DC Converter and switching control circuit
08/04/2010EP1590867B1 Adaptive inductive power supply with communication
08/04/2010CN201541366U Light-emitting diode power supply device capable of improving dimming property
08/04/2010CN201541205U Safety isolation transformer for thermostatic electric bedding
08/04/2010CN201541201U Large-power switch power supply
08/04/2010CN201541200U AC-DC intermediate circuit converter with rather wide AC input voltage range
08/04/2010CN201541199U Logging instrument underground backup power system occupying no cable cores
08/04/2010CN201541198U Portable solar power supply
08/04/2010CN201541197U Power supply converter of adjusting output current of switch-type adjuster
08/04/2010CN1556580B DC/DC switch transducer using non DC bias magnetic integrated magnetic unit
08/04/2010CN101796709A Voltage conversion device
08/04/2010CN101796708A Boost and up-down switching regulator with synchronous freewheeling MOSFET
08/04/2010CN101795086A Inverter comprising normally conductive gate-controlled semiconductor switches
08/04/2010CN101795083A Switch power supply unit and image display apparatus
08/04/2010CN101795080A Three-phase power electronics transformer for power distribution
08/04/2010CN101795078A Ultrasonic power driving power supply with novel topological structure
08/04/2010CN101795077A Device for controlling convertor to output current-voltage characteristic curve
08/04/2010CN101795076A Power converter and method for controlling power converter
08/04/2010CN101795075A Method and apparatus to regulate an output voltage of a power converter at light/no load conditions
08/04/2010CN101795074A Power supply controller with input voltage compensation for efficiency and maximum power output
08/04/2010CN101795073A Limiting primary peak charge to control output current of a flyback converter
08/04/2010CN101795072A High-voltage direct-current direct-current (HVDC-DC) power electronic converter transformer
08/04/2010CN101795071A DC-DC power supply device, voltage regulation method and network equipment
08/04/2010CN101795070A System for linearly adjusting slope compensation voltage slope
08/04/2010CN101795069A Switching power supply device and control method of switching power supply
08/04/2010CN101795068A Switch type regulator and control method thereof
08/04/2010CN101795067A Constant voltage circuit
08/04/2010CN101795066A Interleaved switching method of Buck-Boost convertor and realization circuit thereof
08/04/2010CN101795065A Voltage reduction circuits of high power switching power supply