| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 09/30/2009 | CN100546155C Power supply and driving method thereof and apparatus and method for driving electroluminescence display device using the same |
| 09/29/2009 | US7596006 Reducing output ripple from a switched mode power converter |
| 09/29/2009 | US7596005 Method and apparatus providing a multi-function terminal for a power supply controller |
| 09/29/2009 | US7596004 Switched-mode power supply system and speed variator comprising such a system |
| 09/29/2009 | US7596003 Electric power converter |
| 09/29/2009 | US7596002 Power conversion system and method |
| 09/29/2009 | US7595686 Digital controller for high-frequency switching power supplies |
| 09/29/2009 | US7595620 Switching regulator |
| 09/29/2009 | US7595616 Control circuit for a polarity inverting buck-boost DC-DC converter |
| 09/29/2009 | US7595569 Versatile and intelligent power controller |
| 09/24/2009 | WO2009117614A1 Voltage regulator with transient recovery circuit |
| 09/24/2009 | WO2009116641A1 Power conversion device |
| 09/24/2009 | WO2009115962A1 Method and device for driving a hid lamp |
| 09/24/2009 | WO2009115856A1 An arrangement for reducing energy absorption in stand-by mode and corresponding method. |
| 09/24/2009 | WO2009115559A1 Power supply with non-isolated dc dc splitting |
| 09/24/2009 | WO2009115555A1 Device for controlling a power supply with dc dc splitting of the type including n interlaced paths |
| 09/24/2009 | WO2009115206A1 Primary-side control circuit in a switched-mode power supply having transformer without auxiliary winding |
| 09/24/2009 | WO2009091007A3 Electric circuit control device and electric circuit control method |
| 09/24/2009 | WO2009088843A3 Method and apparatus to remove energy from dc loads |
| 09/24/2009 | US20090237966 Digital control of power converters |
| 09/24/2009 | US20090237960 Switch mode power supply controllers |
| 09/24/2009 | US20090237065 Push-On/Push-Off Power-Switching Circuit |
| 09/24/2009 | US20090237047 Switching power source |
| 09/24/2009 | US20090237041 Electric current measurement apparatus, voltage measurement apparatus and power supply apparatus |
| 09/24/2009 | US20090236908 Reservoir capacitor and semiconductor memory device including the same |
| 09/24/2009 | DE112007002731T5 Elektroleistungsversorgungssystem Electric power system |
| 09/23/2009 | EP2104217A2 Motor controller |
| 09/23/2009 | EP2104216A1 Electric power generating system with a plurality of electric power sources parallely feeding a DC voltage line which supplies power to an AC grid |
| 09/23/2009 | EP2104215A1 Control circuit on the primary side of an electronic power converter having a transformer without auxiliary winding |
| 09/23/2009 | EP2104214A2 Method and apparatus for power conversion and regulation |
| 09/23/2009 | EP2104213A1 Method of controlling a DC-DC converter in discontinuous mode |
| 09/23/2009 | EP2104212A1 Method and device for driving a HID lamp |
| 09/23/2009 | EP2104200A1 Method for controlling a multi-string inverter for photovoltaic systems |
| 09/23/2009 | EP2104199A1 Power source device for vehicle and vehicle |
| 09/23/2009 | EP2103194A2 Lamp driver for operating a gas discharge lamp |
| 09/23/2009 | EP2102977A1 Circuit arrangement for reduced switch load |
| 09/23/2009 | EP2102976A1 Charge pump |
| 09/23/2009 | EP2102975A1 Power converter with snubber |
| 09/23/2009 | CN101542884A DC converter |
| 09/23/2009 | CN101542883A Switching regulator and operations control method thereof |
| 09/23/2009 | CN101542882A Switching regulator and method of controlling the same |
| 09/23/2009 | CN101542881A Voltage rising/falling type switching regulator and reverse current prevention method |
| 09/23/2009 | CN101542880A Controller for power supply circuit |
| 09/23/2009 | CN101542879A Multi-output power supply device |
| 09/23/2009 | CN101542878A Load driving circuit and method of setting load current thereof |
| 09/23/2009 | CN101541119A Wind-light complementation street lamp control system |
| 09/23/2009 | CN101540555A Power supply and bootstrap circuit thereof |
| 09/23/2009 | CN101540554A Non-contact power transmission system based on Z-source inverter and phase-shifting control method thereof |
| 09/23/2009 | CN101540553A Digital control of power converters |
| 09/23/2009 | CN101540552A Power supply device |
| 09/23/2009 | CN101540551A Dynamic voltage pump circuit and method of dynamically generating an output supply voltage thereof |
| 09/23/2009 | CN101540550A Circuit device with full-voltage starting, partial-voltage work and power-off delay |
| 09/23/2009 | CN101540549A Voltage regulation type charge pump |
| 09/23/2009 | CN101540548A Method of controlling a dc-dc converter in discontinuous mode |
| 09/23/2009 | CN101540547A Refrigeration power control circuit for semiconductor detector |
| 09/23/2009 | CN101540546A Power factor correction circuit and power supply device thereof |
| 09/23/2009 | CN101540544A Circuit used for drive control of flow current tube of direct current/direct current converter |
| 09/23/2009 | CN101540542A Single-inductor switch direct current voltage converter and 4-mode control method |
| 09/23/2009 | CN101540541A Method for switching power inverter by PSM or PWM dual-module modulation |
| 09/23/2009 | CN101539816A Electromagnetic pen, electromagnetic signal transmitting method, processing method, device and equipment |
| 09/23/2009 | CN100544175C Charge pump circuit |
| 09/23/2009 | CN100544174C Negative voltage converter |
| 09/23/2009 | CN100544173C Power control method and circuit and power source device |
| 09/23/2009 | CN100544157C Dispersed power supply system |
| 09/22/2009 | US7593245 Method and apparatus to limit maximum switch current in a switching power supply |
| 09/22/2009 | US7593242 Method and apparatus for increasing the power capability of a power supply |
| 09/22/2009 | US7593241 Hybrid power supply system |
| 09/22/2009 | US7592831 Circuit to optimize charging of bootstrap capacitor with bootstrap diode emulator |
| 09/22/2009 | US7592792 Power supply |
| 09/17/2009 | WO2009114873A1 Voltage converter inductor having a nonlinear inductance value |
| 09/17/2009 | WO2009114663A1 Welding or cutting power supply using phase shift double forward converter circuit (psdf) |
| 09/17/2009 | WO2009114644A2 Circuits for harvesting energy from piezoelectric devices |
| 09/17/2009 | WO2009112900A1 Switched mode voltage converter with low-current mode and methods of performing voltage conversion with low-current mode |
| 09/17/2009 | WO2009112389A1 Motor activation circuit for a rail vehicle and method for the operation thereof |
| 09/17/2009 | WO2009095890A3 Switched-mode power supply |
| 09/17/2009 | WO2009074143A3 Device and method for converting a voltage |
| 09/17/2009 | US20090231888 Method and apparatus for fault detection in a switching power supply |
| 09/17/2009 | US20090231887 Parallel-connected resonant converter circuit and controlling method thereof |
| 09/17/2009 | US20090231886 Power supply and bootstrap circuit thereof |
| 09/17/2009 | US20090231885 Integrated transformer and power supply using the same |
| 09/17/2009 | US20090231884 Switching power supply device using current sharing transformer |
| 09/17/2009 | US20090230934 Switched mode voltage converter with low-current mode and methods of performing voltage conversion with low-current mode |
| 09/17/2009 | DE112007002621T5 Treiberschaltung für einen piezoelektrischen Transformator A drive circuit for a piezoelectric transformer |
| 09/17/2009 | DE102009001531A1 Gleichrichterschaltung Rectifier circuit |
| 09/16/2009 | EP2101401A2 Step-down switching DC-DC converter |
| 09/16/2009 | EP2100363A2 Generator and method for generating a direct current high voltage, and dust collector using such generator |
| 09/16/2009 | EP2100362A1 Interleaved power factor corrector boost converter |
| 09/16/2009 | CN201312262Y High-frequency switch power supply with higher conversion efficiency |
| 09/16/2009 | CN201312261Y High power switch power supply with high conversion efficiency |
| 09/16/2009 | CN201312260Y Digital power circuit and digital power provided with the circuit |
| 09/16/2009 | CN101536298A DC-DC converter controller having optimized load transient response and method thereof |
| 09/16/2009 | CN101536297A A switched mode power supply and method of production |
| 09/16/2009 | CN101534064A Power supply circuit of AC-DC converter |
| 09/16/2009 | CN101534061A A double-isolation boosting multi-input direct current convertor |
| 09/16/2009 | CN101534060A Switching control circuit for multi-channels and multi-phases power converter operated at continuous current mode |
| 09/16/2009 | CN101534059A Single-isolation pressure increase and reduction type multi-input direct current converter |
| 09/16/2009 | CN101534058A A double-isolation step-down multi-input direct current converter |
| 09/16/2009 | CN101534057A A double-isolation boosting and step-down multi-input direct current convertor |
| 09/16/2009 | CN101534056A Output adjustable changeable structural direct current switch power supply |
| 09/16/2009 | CN101534055A Single-isolation pressure increase and reduction type multi-input direct current converter |