Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
07/2012
07/10/2012US8218338 High efficiency universal input switching power supply
07/10/2012US8217487 Power semiconductor device
07/10/2012CA2761929A1 Aircraft electric power conversion and distribution system
07/05/2012WO2012091979A2 Adaptive integrated analog control system compensation
07/05/2012WO2012091884A2 Relative efficiency measurement in a pulse width modulation system
07/05/2012WO2012091259A1 Power supply
07/05/2012WO2012090449A1 Power supply circuit
07/05/2012WO2012089973A2 Module for converting voltage between a high-voltage electrical network of an aircraft and an energy storage element
07/05/2012WO2012088641A1 Inductor, method for reducing core size and core loss of inductor, and photovoltaic power generation system using same
07/05/2012WO2012037503A3 Synchronously sampled single bit switch mode power supply
07/05/2012WO2012025280A3 Battery system having a dc/dc converter in the high-voltage network for supplying a microcontroller
07/05/2012WO2011138736A4 A controller and a method for a dc converter, and also a dc converter
07/05/2012US20120170334 Hysteretic CL power converter
07/05/2012US20120170329 Method and apparatus for implementing an unregulated dormant mode in a power converter
07/05/2012US20120170328 Multimodal LED Power Supply With Wide Compliance Voltage and Safety Controlled Output
07/05/2012US20120170327 Apparatus and method for detecting a change in output voltage of an isolated power converter
07/05/2012US20120170326 Primary-side controlled power converter with an RC network and Method thereof
07/05/2012US20120170324 Method and apparatus for resonant converter control
07/05/2012US20120170323 Charging ac adaptor
07/05/2012US20120170322 Apparatus, systems and methods for power supply employing single-stage forward voltage conversion
07/05/2012US20120170321 Feedback circuit with remote on/off control for power supply
07/05/2012US20120170320 Method and apparatus for generating current command value for tracking maximum power point in solar energy generating system
07/05/2012US20120169119 Universal Power Supply System
07/05/2012US20120168081 Adjustable Capacitor, Plasma Impedance Matching Device, Plasma Impedance Matching Method, And Substrate Treating Apparatus
07/05/2012DE102011087255A1 Spannungsversorgungseinheit und Flüssigkristallanzeigevorrichtung mit derselben Voltage supply unit and liquid crystal display device having the same
07/05/2012DE102011076664A1 Direct current (DC)-DC converter has derivative unit that is arranged for removing voltage spikes remaining in energy flow of power branch output from attenuator
07/05/2012DE102011007929A1 Verfahren zum Betrieb eines Wechselrichters und Steuereinrichtung A method of operating an inverter and control means
07/05/2012CA2822552A1 Module for converting voltage between a high-voltage electrical network of an aircraft and an energy storage element
07/04/2012EP2472710A1 Power conversion device
07/04/2012EP2471682A1 Vehicle
07/04/2012EP2471169A1 Half-bridge converter for a battery system and battery system
07/04/2012EP2471168A2 Inverter
07/04/2012EP2471167A2 Dc/dc-converter circuit and battery system
07/04/2012EP2471166A1 Power supply system, controller therefor, and method of manufacture of controller
07/04/2012EP2471165A1 High efficiency regulated charge pump
07/04/2012CN202310226U 一种led驱动电源 One kind of led drive power
07/04/2012CN202310215U 发光二极管灯驱动电源 LED lamp drive power
07/04/2012CN202309737U 一种mesh网络系统 One kind of mesh network system
07/04/2012CN202309545U 一种变频微波炉的变频器 A frequency inverter microwave
07/04/2012CN202309537U 具有宽电压范围及ia等级的防爆电源 Ia with a wide voltage range and power level explosion
07/04/2012CN202309529U Quasi-resonant semi-bridge power circuit having adjustable high voltage
07/04/2012CN202309528U 恒流输出电路及开关电源 Constant current output circuit and switching power supply
07/04/2012CN202309527U 一种反激式开关电源输出短路保护电路 One kind of flyback switching power supply output short circuit protection
07/04/2012CN202309526U 一种逆变式高压电源 An inverter-type high voltage power supply
07/04/2012CN202309525U 多相切换式电源供应器以及用于其中的下降讯号产生电路 Multiphase switching power supply and for signal generating circuit which fall
07/04/2012CN202309524U 功率保护电路 Power protection circuit
07/04/2012CN202309523U 双向切换式电源供应器及其控制电路 Bidirectional switching power supply and control circuit
07/04/2012CN202309522U 供电单元 Power supply unit
07/04/2012CN202309521U 一种单电感双输出开关电源的控制电路 A single-inductor dual-output switching power supply control circuit
07/04/2012CN202309520U 一种用于芯片使能零关断电流的高压转低压电源电路 A chip enable zero shutdown current of high voltage to low voltage power supply circuit
07/04/2012CN202309519U 5000W direct current boost power supply
07/04/2012CN202309518U 一种数字化开关电源模块 A Digital switching power supply module
07/04/2012CN202309517U Energy extracting device for power switching device in high-voltage field
07/04/2012CN202309516U 一种高压电荷泵控制电路 A high voltage charge pump control circuit
07/04/2012CN202309515U 多路输出高频开关电源系统 Multiple Output frequency switching power supply system
07/04/2012CN202309499U 马达铁芯构造 Motor core structure
07/04/2012CN202309107U 电动车移动电源 Mobile power electric cars
07/04/2012CN202306434U 用于显示设备的电路 Circuit for a display device
07/04/2012CN202290308U 电除尘用高频高压电源 ESP with high frequency high voltage power supply
07/04/2012CN1703825B Capacitively coupled power supply
07/04/2012CN1684352B Controller for power converter and its control method
07/04/2012CN102549904A Load driving signal-linked high voltage driving method and driving circuit thereof
07/04/2012CN102549903A Boundary mode coupled inductor boost power converter
07/04/2012CN102549902A 配电系统 Distribution system
07/04/2012CN102549901A Power factor correction with variable bus voltage
07/04/2012CN102549900A System and method for rejecting DC current in power factor correction systems
07/04/2012CN102549899A System and method for reducing line current distortion
07/04/2012CN102549898A 电源 Power supply
07/04/2012CN102548158A Light load control structure of power supply using logic link control (LLC) topology
07/04/2012CN102548100A Load driving device and system
07/04/2012CN102548087A High-efficiency half-bridge LED illumination driving power source
07/04/2012CN102548074A Single-tube resonance soft switch circuit of induction cooker and control method thereof
07/04/2012CN102545846A Device and method for controlling pulse output
07/04/2012CN102545684A Distributed parallel inverter with high output voltage regulation rate and control method of distributed parallel inverter
07/04/2012CN102545676A Energy accumulating circuit for photovoltaic grid-connected inverter and control method thereof
07/04/2012CN102545673A Methods and systems for operating a two-stage power converter
07/04/2012CN102545669A Solar electro-optical system with capacitance conversion function
07/04/2012CN102545662A Switch control circuit, converter using the same, and switch control method
07/04/2012CN102545659A Technology for improving frequency modulation high voltage switch power supply load adaptability and implementation method
07/04/2012CN102545655A Current-sharing controller for direct current parallel technology of variable frequency generator set
07/04/2012CN102545638A Interleaving three-level DC/DC converter and AC/DC converter
07/04/2012CN102545637A Buck-boost secondary side regulation three-port direct current converter
07/04/2012CN102545636A Pulse frequency modulation (PFM) primary side feedback controller and PFM primary side feedback converter using same
07/04/2012CN102545635A Bridgeless fly-back converter with high power factor
07/04/2012CN102545634A Fly-back transformer circuit
07/04/2012CN102545633A Multipath high-voltage output circuit sharing reference high-voltage source
07/04/2012CN102545632A Driving circuit for switching power supply
07/04/2012CN102545631A Constant current control device for switching power supply
07/04/2012CN102545630A Multi-module combined converter with recycling cross rectification function
07/04/2012CN102545629A Power source for subway locomotive
07/04/2012CN102545628A Conversion circuit for high-voltage input and low-voltage output
07/04/2012CN102545627A Constant current power supply device
07/04/2012CN102545626A Primary side feedback flyback type constant current power supply based on time varying reference
07/04/2012CN102545625A Constant-current power supply circuit
07/04/2012CN102545624A Power supply circuit
07/04/2012CN102545623A Converting leakage current to DC output
07/04/2012CN102545622A Method and apparatus for implementing unregulated dormant mode in power converter
07/04/2012CN102545621A Switching power supply and control method thereof
07/04/2012CN102545620A Power supply device used for arc machining
07/04/2012CN102545619A Power supply apparatus