| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 08/06/2009 | US20090195221 Capacitor charger with a modulated current varying with an input voltage and method thereof |
| 08/06/2009 | US20090195185 Power supply of luminous sources |
| 08/06/2009 | US20090195079 Circuit for equalizing charge unbalances in storage cells |
| 08/06/2009 | US20090195073 System and apparatus for generating ideal rise and fall time |
| 08/05/2009 | EP2086100A2 Self-adjusting bleeder for a forward converter |
| 08/05/2009 | EP2086099A2 Controller for use in a resonant direct current/direct current converter |
| 08/05/2009 | EP2086098A1 Switching power supply with an apparatus for parallel operation of such switching power supplies |
| 08/05/2009 | EP2086097A2 Printed circuit board and liquid crystal display having the same |
| 08/05/2009 | EP2086096A1 Regulated charge pump circuit and method of operating a regulated charge pump circuit |
| 08/05/2009 | CN201286064Y Voltage converter, positive and negative electric power system |
| 08/05/2009 | CN201285521Y Digital boost converter based on complicated programmable logic device |
| 08/05/2009 | CN101501974A Electrical DC-DC power converter with magnetically coupled switch control circuit |
| 08/05/2009 | CN101501973A Power converter and controller using such power converter for electric rolling stock |
| 08/05/2009 | CN101500360A Direct-current power supply device, power supply device for driving LED and semiconductor integrated circuit for controlling power supply |
| 08/05/2009 | CN101500359A Direct-current power supply device, power supply device for driving LED and semiconductor integrated circuit for driving power supply |
| 08/05/2009 | CN101499725A Modulator with linear period stretching capability |
| 08/05/2009 | CN101499724A Controller applied for resonance type DC/DC converter |
| 08/05/2009 | CN101499723A Large power multi-path outputting electric power structure with high efficiency and control method thereof |
| 08/05/2009 | CN101499722A Switching type voltage regulator and controlling circuit and method thereof |
| 08/05/2009 | CN101499721A Low ripple DC-DC electric power converter |
| 08/05/2009 | CN101499720A Pulse width modulation controller and control method thereof |
| 08/05/2009 | CN101499719A Pulse width modulation controller and control method thereof |
| 08/05/2009 | CN101499718A Control circuit and method for high efficiency switching type voltage stabilizer |
| 08/05/2009 | CN101499717A Controlling method and apparatus for four switch step-up step-down DC-DC converter |
| 08/05/2009 | CN101499671A Cell voltage conversion system, method and cell management system |
| 08/05/2009 | CN101499654A Instant voltage peak and instant voltage surge suppressor |
| 08/05/2009 | CN100525575C Lighting apparatus for illumination light source |
| 08/05/2009 | CN100525049C Interface circuit of driving capacitance load, circuit device and low-pressure discharge lamp |
| 08/05/2009 | CN100525047C Switching power supply device, and a method of driving the same |
| 08/05/2009 | CN100525045C Primary-side controlled flyback power converter |
| 08/05/2009 | CN100525043C Protection circuit for a power supply unit, and power supply unit with a respective protection circuit |
| 08/05/2009 | CN100525042C Power converter |
| 08/05/2009 | CN100525041C Switching power source device |
| 08/05/2009 | CN100525040C Sample-taking feedback circuit of switch electric power output electric voltage |
| 08/05/2009 | CN100525039C Multi-channel power converter with electricity-saving switching frequency modulation circuit |
| 08/05/2009 | CN100525038C Output current control circuit and power detection circuit of power converter |
| 08/05/2009 | CN100525037C High voltage power generator |
| 08/05/2009 | CN100525036C Switching power supply apparatus |
| 08/05/2009 | CN100525035C Switching control device with frequency hopping characteristic |
| 08/05/2009 | CN100525034C Output device and electronic device provided with same |
| 08/05/2009 | CN100525033C Power supply device |
| 08/05/2009 | CN100525032C Power supply circuit for providing semiconductor integrated circuit device with a plurality of power supply voltages |
| 08/05/2009 | CN100525031C Controller for a DC to DC converter having linear mode and switch mode capabilities |
| 08/05/2009 | CN100525030C Charge pump circuit |
| 08/05/2009 | CN100525029C DC power supply switch and realizing method thereof |
| 08/05/2009 | CN100525027C Controlling circuit with skip-frequency operation and electromagnetic interference of power supplier decreasement |
| 08/05/2009 | CN100525026C Switch mode power supply, pulse width modulation (PWM) frequency dithering device and method |
| 08/05/2009 | CN100525025C Starting circuit with feedforward compensation for power converter |
| 08/05/2009 | CN100524735C Semiconductor device |
| 08/05/2009 | CN100524443C Charge pump clock generating circuit and method thereof |
| 08/05/2009 | CN100524112C Power supply device and single optical coupler circuit thereof |
| 08/04/2009 | US7570501 DC-DC converter with capacitor precharging and duty ratio limiting |
| 08/04/2009 | US7570497 Discontinuous quasi-resonant forward converter |
| 08/04/2009 | US7570106 Substrate voltage generating circuit with improved level shift circuit |
| 08/04/2009 | US7570034 Step-up/down DC-DC converter |
| 08/04/2009 | US7570030 Boost converter circuit having selectable modes |
| 07/30/2009 | WO2009094589A1 High voltage inverter |
| 07/30/2009 | WO2009094497A2 Self-oscillating regulated low-ripple charge pump and method |
| 07/30/2009 | WO2009094380A1 Signal amplifier |
| 07/30/2009 | WO2009094134A1 Time division multiplexing a dc-to-dc voltage converter |
| 07/30/2009 | WO2009092751A2 Load control circuit in a motor vehicle control device |
| 07/30/2009 | WO2009092627A1 Battery power supply for radiofrequency transmitter |
| 07/30/2009 | WO2008120014A9 Forward power converter controllers |
| 07/30/2009 | US20090190379 Switching regulator with boosted auxiliary winding supply |
| 07/30/2009 | US20090190378 Power supply device outputting pulsed electrical current |
| 07/30/2009 | US20090190377 Systems and Methods for DC to DC Conversion with Current Mode Control |
| 07/30/2009 | US20090190376 Voltage detection device and voltage detection method |
| 07/30/2009 | US20090190375 Converter control device |
| 07/30/2009 | US20090190374 Method for Coupling a Direct Current Power Source Across a Nearly Frictionless High-Speed Rotation Boundary |
| 07/30/2009 | US20090189579 Switch state controller with a sense current generated operating voltage |
| 07/30/2009 | DE112007002396T5 Wandlersteuerungsvorrichtung Converter control device |
| 07/30/2009 | DE112007002339T5 Fahrzeugantriebsvorrichtung Vehicle drive device |
| 07/30/2009 | DE102009006372A1 Schaltnetzteil mit Schaltkreisen Switching power supply circuits |
| 07/30/2009 | DE102009005265A1 Lastansteuerungsschaltung in einem Kraftfahrzeugsteuergerät Load drive circuit in a motor vehicle control unit |
| 07/30/2009 | DE102008055696A1 Elektronische Schaltungseinrichtung zur Erfassung eines Detektionselementstroms und/oder einer Temperatur in diesem Detektionselement Electronic circuit means for detecting a current detection element and / or a temperature detecting element in this |
| 07/30/2009 | DE102008042688A1 Stromversorgungsgerät mit elektrischen Schaltungen zur Spannungswandlung Power supply unit with electrical circuits for voltage conversion |
| 07/30/2009 | CA2711925A1 Battery power supply for radiofrequency transmitter |
| 07/29/2009 | EP2083511A1 Battery power supply for radio frequency transmitter |
| 07/29/2009 | EP2083510A1 Electric vehicle drive dc-dc converter and electric vehicle |
| 07/29/2009 | EP2083509A1 Feedback for stabilizing dc voltage produced from resonance circuit |
| 07/29/2009 | EP2083498A1 An AC power generating system |
| 07/29/2009 | EP2083497A2 Electronic control system and power supply unit of the system |
| 07/29/2009 | EP2082474A1 Microwave transmission line dc/dc converter |
| 07/29/2009 | EP2081640A1 Current generation architecture for an implantable stimulator device having coarse and fine current control |
| 07/29/2009 | CN201282422Y Auxiliary circuit of integration high-current DC-DC boosting voltage-stabilized power supply |
| 07/29/2009 | CN101496268A Determining output voltage or current in an smps |
| 07/29/2009 | CN101496267A Multiphase DC to DC converter |
| 07/29/2009 | CN101496266A Low-voltage locked-in oscillator of DC-DC converter |
| 07/29/2009 | CN101494421A Switching power supply |
| 07/29/2009 | CN101494420A Bidirectional energy transfer circuit |
| 07/29/2009 | CN101494419A High efficiency zero voltage, zero current whole bridge converter |
| 07/29/2009 | CN101494418A Synchronous commutation control device and forward type synchronous commutation circuit |
| 07/29/2009 | CN101494417A Asynchronous voltage-boosting converter |
| 07/29/2009 | CN101494416A 电压调节器 Voltage Regulator |
| 07/29/2009 | CN101494414A Decentralization type power supply structure |
| 07/29/2009 | CN100521486C Control device, DC/AC converter and its controller integrated circuit |
| 07/29/2009 | CN100521483C Active clamped topology circuit of multi transformer |
| 07/29/2009 | CN100521482C Switching power supply circuit |
| 07/29/2009 | CN100521481C Plasma display device, power device thereof, and driving method thereof |
| 07/29/2009 | CN100521480C AC adapter which can be reduced in size and lowered in profile |