| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 07/11/2012 | CN202334311U 30KV switch power supply for charging electric car |
| 07/11/2012 | CN202334310U 高功率因素低谐波电流的大功率开关电源主电路 High power factor low harmonic current power switching power supply of the main circuit |
| 07/11/2012 | CN202334309U 直流电源串并联变换装置及变换系统 DC power supply series-parallel conversion means and conversion system |
| 07/11/2012 | CN202334308U 一种高压电源极性高速自动切换控制机构 A high voltage power supply polarity-speed automatic switching control mechanism |
| 07/11/2012 | CN202334307U Continuously-adjustable voltage-stabilizing tube |
| 07/11/2012 | CN202334306U PWM/PFM (Pulse Width Modulation/Pulse Frequency Modulation) control circuit |
| 07/11/2012 | CN202334305U 电子电路中延长通信距离的电路 Electronic circuit extend the communication distance of the circuit |
| 07/11/2012 | CN202334304U Symmetrical power supply module for converting 1.5 V into positive/negative 5V |
| 07/11/2012 | CN202334303U 车载高频直流变换电源 Car high-frequency DC power conversion |
| 07/11/2012 | CN202334302U 基于集成稳压电路ncp5663的降压电路 Based on the integrated circuit buck regulator circuit ncp5663 |
| 07/11/2012 | CN202334301U 一种卫星接收模块的电源控制系统 Power control system of a satellite receiver module |
| 07/11/2012 | CN202333942U 充电电路 Charging circuit |
| 07/11/2012 | CN202333931U 一种带usb接口的小功率充电器 A low-power charger with usb interface |
| 07/11/2012 | CN202333930U Totally-digitalized efficient multi-frequency quick charging power supply |
| 07/11/2012 | CN202333900U Simple solar mobile phone charger |
| 07/11/2012 | CN202333882U 一种具有冗余备份功能的直流电源 Having a redundant backup DC power supply |
| 07/11/2012 | CN202333792U 一种防雷击浪涌电路 An anti-lightning surge circuit |
| 07/11/2012 | CN1391720B External driving circuit for bridge type synchronous rectification |
| 07/11/2012 | CN102577065A Method and apparatus for power driving |
| 07/11/2012 | CN102577064A Operating device for luminous elements |
| 07/11/2012 | CN102577063A Dc/dc-converter circuit and battery system |
| 07/11/2012 | CN102577062A Driving circuit, semiconductor device having driving circuit, and switching regulator and electronic equipment using driving circuit and semiconductor device |
| 07/11/2012 | CN102577061A Electric current estimation circuit |
| 07/11/2012 | CN102577060A Controlling power loss in a switched-capacitor power converter |
| 07/11/2012 | CN102577059A System and method for current balancing |
| 07/11/2012 | CN102577058A System and method for power factor correction frequency tracking and reference generation |
| 07/11/2012 | CN102577057A Method and circuit for power factor correction |
| 07/11/2012 | CN102577020A Bi-directional battery voltage converter |
| 07/11/2012 | CN102577018A Bi-directional battery voltage converter |
| 07/11/2012 | CN102576593A Coupled inductor with improved leakage inductance control |
| 07/11/2012 | CN102576234A Power supply device |
| 07/11/2012 | CN102573181A LED driving circuit and LED lamp |
| 07/11/2012 | CN102573176A LED (light-emitting diode) semiconductor driving power supply |
| 07/11/2012 | CN102571067A Level shift circuit and switching power supply device |
| 07/11/2012 | CN102570866A Rectifier controlling method |
| 07/11/2012 | CN102570860A DC (direct current) high-voltage output circuit and high-voltage testing device |
| 07/11/2012 | CN102570854A Method for setting high-frequency switching rectification power module structure and high-frequency switching rectification power module structure set thereby |
| 07/11/2012 | CN102570853A Constant-power-output magnetron sputtering coating power supply |
| 07/11/2012 | CN102570852A Main circuit of wind power converter |
| 07/11/2012 | CN102570840A Voltage anode and cathode polarity switching circuit |
| 07/11/2012 | CN102570839A LLC (inductor-inductor-capacitance) resonant DC-DC (Direct Current-Direct Current) power supply capable of changing resonance frequency by changing capacitance |
| 07/11/2012 | CN102570838A Bilaterally and continuously adjustable regulated power supply |
| 07/11/2012 | CN102570837A Constant voltage constant current control circuit and control method thereof |
| 07/11/2012 | CN102570836A Boosting type secondary winding adjustment three-port direct-current converter |
| 07/11/2012 | CN102570835A Phase shift full bridge converter which reduces zero load voltage of plasma cutting machine and method thereof |
| 07/11/2012 | CN102570834A Control circuit and method for intermittent switch of power converter |
| 07/11/2012 | CN102570833A Control circuit, method and converter for synchronous rectification |
| 07/11/2012 | CN102570832A Trigger power supply capable of following temperature characteristic of thyristor |
| 07/11/2012 | CN102570831A Isolated direct current (DC) bidirectional converter |
| 07/11/2012 | CN102570830A Modular photovoltaic power electronic converter based on coupling inductance |
| 07/11/2012 | CN102570829A Variable time clamp for a power supply controller |
| 07/11/2012 | CN102570828A Method and apparatus for generating current command value for tracking maximum power point |
| 07/11/2012 | CN102570827A Power system |
| 07/11/2012 | CN102570826A Method for reducing voltage difference of capacitors on primary side of combined transformer and combined transformer |
| 07/11/2012 | CN102570825A Primary-side controlled power converter with an RC network and method thereof |
| 07/11/2012 | CN102570824A Power supply system and image forming apparatus including the same |
| 07/11/2012 | CN102570823A Flyback power converter with divided energy transfer element |
| 07/11/2012 | CN102570822A Power supply device |
| 07/11/2012 | CN102570821A Control device for a resonant converter |
| 07/11/2012 | CN102570820A Method for DC/DC converter and control transformer and power transformation system |
| 07/11/2012 | CN102570819A 谐振转换器 Resonant converters |
| 07/11/2012 | CN102570818A Design method of isolation power supply of single-phase electric energy meter |
| 07/11/2012 | CN102570817A Method and apparatus for a control circuit with multiple operating models |
| 07/11/2012 | CN102570816A Synchronous rectifier bi-directional current sensor |
| 07/11/2012 | CN102570815A Energy-storage and current-limiting inductance controllable DC-DC (Direct Current-Direct Current) conversion power supply for vehicle |
| 07/11/2012 | CN102570814A Switching power supply feedback compensation method and digital signal processing device |
| 07/11/2012 | CN102570813A Output voltage regulating circuit of step-down converting circuit |
| 07/11/2012 | CN102570812A Multi-function terminal of power supply controller for feedback signal input and over-temperature protection |
| 07/11/2012 | CN102570811A Inductance-free dual-output step-down DC-DC (Direct Current-Direct Current) converter |
| 07/11/2012 | CN102570810A Control circuit for switching regulator, switching regulator and electronic equipment using the control circuit |
| 07/11/2012 | CN102570809A Short-circuit protection circuit and method |
| 07/11/2012 | CN102570808A Switching-mode power supply device |
| 07/11/2012 | CN102570807A Current mode synchronous rectification DC/DC converter |
| 07/11/2012 | CN102570806A Power module and power supply system applicable to same |
| 07/11/2012 | CN102570805A Buck converter |
| 07/11/2012 | CN102570804A DC (direct current) power supply conversion module and control method thereof as well as connector and energy collection system |
| 07/11/2012 | CN102570803A Multi-voltage power supply and electronic apparatus including the same |
| 07/11/2012 | CN102570802A Low-power direct current/direct current booster voltage regulator |
| 07/11/2012 | CN102570801A Thermal memory circuit for breaker and charging adjusting method thereof |
| 07/11/2012 | CN102570800A Constant-voltage output device |
| 07/11/2012 | CN102570799A Power supply apparatus |
| 07/11/2012 | CN102570798A Method for realizing constant voltage-second product auxiliary power supply in forward switching power supply and circuit |
| 07/11/2012 | CN102570797A Power supply device for video system on high-speed train |
| 07/11/2012 | CN102570796A Multi-path output boosting converter |
| 07/11/2012 | CN102570795A Vehicle-mounted power supply device and direct current-direct current converter thereof |
| 07/11/2012 | CN102570794A Peak current control device and method for switching power supply |
| 07/11/2012 | CN102570793A Working size switching circuit for power transistors in DC-DC converter |
| 07/11/2012 | CN102570792A Control method of voltage setting point of direct current high voltage and low voltage converter |
| 07/11/2012 | CN102570782A System And Method For Bootstrapping A Switch Driver |
| 07/11/2012 | CN102570779A Power circuit and direct current to direct current converter thereof |
| 07/11/2012 | CN102570560A Charging-discharging system for V2G bilateral power conversion electric automobile and control method thereof |
| 07/11/2012 | CN102570524A Controllable mirror current source charging circuit |
| 07/11/2012 | CN102566732A Output current monitoring device for voltage reduction type conversion circuit |
| 07/11/2012 | CN101931337B Chopper inverter circuit for photovoltaic power generation and control method thereof |
| 07/11/2012 | CN101728939B Periodic signal generating circuit, power conversion system and method using circuit |
| 07/11/2012 | CN101572496B Programmed switch power supply controlled by SCM |
| 07/11/2012 | CN101548456B Switching regulator and method for controlling operation thereof |
| 07/11/2012 | CN101479919B Method and device for charging an electrical energy storage element, in particular an ultracapacitor |
| 07/10/2012 | US8218340 Switching power supply apparatus and primary side control circuit |
| 07/10/2012 | US8218339 Power converter having synchronous rectifier and control method of synchronous rectifier |