Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
01/2010
01/20/2010CN101630913A Resonant converter
01/20/2010CN101630912A Current buffering on/off DC interlock switch control circuit
01/20/2010CN101630911A DC/DC converter and pre-bias switching circuit thereof
01/20/2010CN101630910A Driving circuit of high-voltage current transformer
01/20/2010CN101630909A Digital control of power converters
01/20/2010CN101630908A Power supply device, over voltage protection unit thereof and over voltage protection method thereof
01/20/2010CN101630907A Dc/dc converter, computer system having the same, and dc/dc conversion method
01/20/2010CN101630906A DC-DC transformer with PWM/PFM automatic switching and OLED display
01/20/2010CN101630905A Modular control and driving device and high voltage power supply having the same for image forming apparatus
01/20/2010CN100583615C Resonant converter, controller of a resonant converter and control method
01/20/2010CN100583614C Control system for switching power supply circuit
01/20/2010CN100583613C Voltage converting apparatus and vehicle
01/20/2010CN100583612C Modulated processor PWM
01/20/2010CN100583611C Method of switching a power supply of voltage domains of a semiconductor circuit, and corresponding semiconductor circuit
01/20/2010CN100583610C Power supply switching device with sudden wave buffer circuit
01/19/2010US7650130 Spread spectrum isolator
01/19/2010US7649758 Power supply apparatus, methods and computer program products using D-Q domain based synchronization techniques
01/19/2010US7649757 Leakage-inductance energy recycling circuit and flyback converter with leakage-inductance energy recycling circuit
01/19/2010US7649755 Switched mode power supply with soft start operation
01/19/2010US7649754 Self limiting zero voltage switching power conversion networks
01/19/2010US7649753 Power supply for electrostatic precipitator
01/19/2010US7649345 Power supply regulator with digital control
01/19/2010US7649280 Method and circuit for cross regulation in a power converter
01/19/2010US7649279 Power supply for simultaneously providing operating voltages to a plurality of devices
01/14/2010WO2010004190A1 Arc welding set with an optimized quasi-resonant soft-switching inverter
01/14/2010WO2010003822A2 Voltage conversion circuit and voltage conversion method
01/14/2010WO2010003782A1 Auto-tracking resonant dc-dc converter
01/14/2010WO2010003470A1 A circuit for generating a negative voltage supply signal, and associated power supply device and portable electronic apparatus
01/14/2010WO2009126723A3 High efficient input current shaping for ac to dc converters with power factor correction requirement
01/14/2010WO2009120793A3 Method and apparatus for extending zero-voltage switching range in a dc to dc converter
01/14/2010US20100009724 Cell site power generation
01/14/2010US20100008110 Control circuit and method for a flyback power converter
01/14/2010US20100008109 Switching power supply and semiconductor device for switching power supply
01/14/2010US20100008108 Novel adaptive slope compensation method for stabilizing a continuous conduction mode converter
01/14/2010US20100008107 Dc/dc converter
01/14/2010US20100008106 Switching control circuit, semiconductor device and switching power source apparatus
01/14/2010US20100008105 Dc/dc converter
01/14/2010US20100007319 Converter control device
01/13/2010EP2144482A1 Voltage conversion circuit and voltage conversion method
01/13/2010EP2144359A2 DC/DC-converter
01/13/2010EP2144358A1 DC/DC-converter
01/13/2010EP2144357A1 A switched dc-dc conversion system for isolating high frequency and a method thereof
01/13/2010EP2144356A1 Buck converter threshold detection for automatic pulse skipping mode
01/13/2010EP2144355A1 Voltage converter
01/13/2010EP2144354A1 DC voltage supply for a load
01/13/2010EP2143195A1 Dynamic gate drive voltage adjustment
01/13/2010EP2143194A2 Step-down switching regulator with freewheeling diode
01/13/2010EP1812841B1 System and method for providing voltage regulation in a multi-voltage power system
01/13/2010CN201383758Y Intermittent type electricity consumption quasi-zero power consumption standby control circuit
01/13/2010CN201383757Y Multi-frequency control device of quasi-continuous operation mode switch power supply
01/13/2010CN201383756Y Double-frequency control device of switch power supply
01/13/2010CN201383755Y Multi-frequency control device of switch power supply
01/13/2010CN201383754Y Portable vehicle-mounted power adapter
01/13/2010CN201383753Y Pressure raising type staggered parallel connection convertor realizing inactive clamping through coupling inductance added with switching capacity
01/13/2010CN201383693Y Solar charge/discharge controller
01/13/2010CN101627528A Simplified primary triggering circuit for the switch in a switched-mode power supply
01/13/2010CN101626196A Control method for improving efficiency of two-stage current transformer
01/13/2010CN101626195A Micropower power supply converting circuit
01/13/2010CN100581037C Switching controller for resonant power converter
01/13/2010CN100581034C Control circuit for measuring and regulating output current of electric power converter and method thereof
01/13/2010CN100581033C Active-clamp high-gain alternation and parallel connection boosting converter
01/13/2010CN100581032C Microphine with voltage pump
01/12/2010US7646620 AC/DC power converter
01/12/2010US7646616 Capacitor charging methods and apparatus
01/12/2010US7646279 Apparatus for supplying energy to a load and a related system
01/12/2010US7646186 Holdover circuit for a power converter using a bi-directional switching regulator
01/12/2010US7646184 Method and apparatus for maintaining a constant load current with line voltage in a switch mode power supply
01/12/2010US7646153 Switching regulator
01/07/2010WO2010003039A2 Method for maximum power point tracking of photovoltaic cells by power converters and power combiners
01/07/2010WO2010002906A2 Voltage converters
01/07/2010WO2010001806A1 Power amplification device and power amplification method
01/07/2010WO2010001724A1 Power source device
01/07/2010WO2010000010A1 Resonant power converter
01/07/2010US20100002478 System to improve a voltage multiplier and associated methods
01/07/2010US20100002474 Switch control device and converter including the same
01/07/2010US20100002473 Multiple-Output Dual-Polarity DC/DC Converters and Voltage Regulators
01/07/2010US20100002472 System and method for switch mode power supply delay compensation
01/07/2010US20100002471 Phase shift full bridge converter with reduced current stress
01/07/2010US20100002470 Method for maximum power point tracking of photovoltaic cells by power converters and power combiners
01/07/2010US20100002469 Control circuit for a buck power factor correction stage
01/07/2010DE102008031125A1 Verfahren zur Ansteuerung einer bidirektional betreibbaren Spannungswandlereinrichtung und Mehrspannungsbordnetz A method of driving a bidirectionally operable voltage conversion means and the multi-voltage vehicle electrical system
01/06/2010EP2141966A1 Illumination lamp ignition device and lighting device
01/06/2010EP2141789A2 Control device for reliability in case of malfunction of a voltage converter in motor vehicles
01/06/2010EP2141741A2 Electronic circuit comprising a diode connected MOS transistor with enhanced efficiency
01/06/2010EP2140543A2 Magnetron plasma system
01/06/2010CN201378814Y Water environment monitoring node power circuit
01/06/2010CN201378812Y Power-supply control device and ventilation and air-exchange device employing same
01/06/2010CN201378802Y Energy conversion controller
01/06/2010CN201378799Y Auxiliary power supply of DC/DC converter
01/06/2010CN201378798Y Switching power frequency variable circuit
01/06/2010CN201378797Y Monitoring device for voltage input and current output
01/06/2010CN201378796Y Multiplexed output DC-DC convertor
01/06/2010CN201378795Y DC/DC convertor control panel of fuel cell vehicle
01/06/2010CN201378794Y DC/AC modulating and converting system and application thereof
01/06/2010CN201378272Y Computer flat machine control device
01/06/2010CN101622777A Load current detection in electrical power converters
01/06/2010CN101622776A Multi-output switching power supply device
01/06/2010CN101622775A Gate drive voltage selection for a voltage regulator
01/06/2010CN101621253A Resonant convertor, DC/DC convertor and switch power supply
01/06/2010CN101621252A Direct-current (DC) restoration and DC monitoring circuit