| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 04/22/2008 | US7362592 Switching control circuit for primary-side controlled power converters |
| 04/22/2008 | US7362591 Power supply device and image forming apparatus |
| 04/22/2008 | US7362557 Method, apparatus and article for bi-directional DC/DC power conversion |
| 04/22/2008 | US7362191 Methods and circuits for frequency modulation that reduce the spectral noise of switching regulators |
| 04/22/2008 | US7362082 Switch mode power supply with output voltage equalizer |
| 04/22/2008 | US7362077 Pre-charge method for isolated boost converter |
| 04/22/2008 | US7362075 Battery charger with charge state detection on the primary side |
| 04/22/2008 | US7361844 Power converter package and thermal management |
| 04/22/2008 | CA2470934C An apparatus and method for controlling a voltage converter |
| 04/17/2008 | WO2008044619A1 Converter control device |
| 04/17/2008 | WO2008008937A3 System and method for low voltage booster circuits |
| 04/17/2008 | WO2004027962A3 Adaptive leading edge blanking circuit |
| 04/17/2008 | US20080091961 Power network reconfiguration using mem switches |
| 04/17/2008 | US20080089100 Switching mode power supply and driving method |
| 04/17/2008 | US20080089099 Half-bridge CCFL driving apparatus |
| 04/17/2008 | US20080089098 Controller for power converter |
| 04/17/2008 | US20080088288 Time Discrete Control Of A Continuous Quanity |
| 04/17/2008 | US20080088248 Circuitry for supplying electrical power to loads |
| 04/17/2008 | DE102004019600B4 Überbrückungsvorrichtung zum Überbrücken einer elektrischen Last Bridging device for bridging an electrical load |
| 04/17/2008 | DE10126236B4 Verstärker Amplifier |
| 04/16/2008 | EP1912322A1 Method and apperatus for output voltage regulation in primary controlled switched mode power supplies |
| 04/16/2008 | EP1910853A2 Method and circuit for determining the presence of a false connection between an electronic appliance, especially a household appliance, and a network alternating voltage source |
| 04/16/2008 | CN201048354Y Synchronous commutation control circuit |
| 04/16/2008 | CN201048353Y System for converting AC voltage to DC voltage |
| 04/16/2008 | CN201048352Y Three-phase intermediate frequency DC high voltage power supply for ESP |
| 04/16/2008 | CN201048351Y Ultrawide voltage self-adaptive power supply |
| 04/16/2008 | CN201048350Y Synchronous rectification circuit of power converter |
| 04/16/2008 | CN201048296Y Multi-use AC power plant |
| 04/16/2008 | CN101164221A Control of a resonant converter |
| 04/16/2008 | CN101164220A Power source control method and structure thereof |
| 04/16/2008 | CN101164031A Power supply device, electronic device using the same, and semiconductor device |
| 04/16/2008 | CN101162870A Thermally compensated current sensing of intrinsic power converter elements |
| 04/16/2008 | CN101162869A Sample-taking feedback circuit of switch electric power output electric voltage |
| 04/16/2008 | CN101162868A Converter with continuously adjustable output |
| 04/16/2008 | CN101162867A Charge pump system and operation method thereof |
| 04/16/2008 | CN101162866A Adjustable variant electric voltage voltage-stabilizing device |
| 04/16/2008 | CN101162566A Method for controlling charge pump and related working volt produce circuit |
| 04/16/2008 | CN100382425C Flyback converter with synchronous rectifier |
| 04/16/2008 | CN100382424C Switching electric source device |
| 04/16/2008 | CN100382423C Technique for measuring temperature and current via a MOSFET of a synchronous buck voltage converter |
| 04/16/2008 | CN100382422C Charge pump dc/dc converter with constant-frequency control |
| 04/16/2008 | CN100382421C Booster circuit |
| 04/16/2008 | CN100382420C Voltage converter using mos transistors |
| 04/16/2008 | CN100382419C Voltage detection circuit and internal voltage generation circuit using same |
| 04/16/2008 | CN100382418C Multiple circuit of program controllable regulation output voltage |
| 04/16/2008 | CN100382417C Asymmetrical multiphase DC-to-DC power converter and method for supplying power to load |
| 04/16/2008 | CN100382410C Isolated, following, impact-free, and primary/secondary power source switching numeric control regulator circuit structure |
| 04/16/2008 | CN100382406C Control circuit apparatus and power supply circuit control method |
| 04/15/2008 | US7359225 Method and apparatus to limit output power in a switching power supply |
| 04/15/2008 | US7359221 Power supply for use in an electronic energy meter |
| 04/15/2008 | US7359220 Control circuit for controlling a switch based on a voltage of an auxiliary winding in a switching power supply |
| 04/15/2008 | US7359219 Power supply |
| 04/15/2008 | US7358794 Power supply circuit |
| 04/15/2008 | US7358711 Adaptive control loop |
| 04/15/2008 | US7358706 Power factor correction control methods and apparatus |
| 04/15/2008 | US7358703 Universal serial bus charger for a mobile device |
| 04/15/2008 | US7358690 Motor control apparatus |
| 04/15/2008 | CA2380175C Highly efficient driver circuit for a solid state switch |
| 04/10/2008 | WO2008042490A2 Method and apparatus for charging a battery while reducing heat generation in a portable device |
| 04/10/2008 | WO2008042230A2 Capacitive load driving device |
| 04/10/2008 | WO2008042070A2 Inverter with improved overcurrent protection circuit, and power supply and electronic ballast therefor |
| 04/10/2008 | WO2008041761A1 Vehicle drive device |
| 04/10/2008 | WO2008041722A1 Comparator type dc-dc converter |
| 04/10/2008 | WO2008041666A1 Dc/dc converter |
| 04/10/2008 | WO2008041418A1 Power supply and vehicle having same |
| 04/10/2008 | WO2008041399A1 Double ended insulation dc-dc converter |
| 04/10/2008 | WO2008012772A3 Switch mode power supply with a t ransient voltage suppression devide for line induced transients and a mechanism for suppressing unwanted oscillations in the driver stage |
| 04/10/2008 | US20080084723 Method and apparatus to reduce audio frequencies in a switching power supply |
| 04/10/2008 | US20080084720 Dc-dc boost converter with a charge pump |
| 04/10/2008 | US20080084715 Post regulation control circuit of power supply |
| 04/10/2008 | US20080084714 Dual-transformer type of dc-to-dc converter |
| 04/10/2008 | US20080084713 Method and apparatus for a control circuit with multiple operating modes |
| 04/10/2008 | US20080084712 Method and apparatus for a control circuit responsive to an impedance coupled to a control circuit terminal |
| 04/10/2008 | US20080084243 Semiconductor device, step-down chopper regulator, and electronic equipment |
| 04/10/2008 | DE102007028568A1 Current-mode control switching regulator for e.g. cellular phone, has slope compensation unit outputting slope compensation signal with compensation slope proportional to falling slope of current signal |
| 04/10/2008 | DE102006047410A1 Voltage generating circuit for use during manufacturing process of chips, has electrical circuit supplied with output voltage, which is absolutely larger than value of supply voltage supplied by circuit arrangement |
| 04/10/2008 | DE102006047065A1 Direct current/alternating current voltage dividing/generating circuit for use as e.g. voltage divider, has capacitor, and selector switch that triggers two electric circuits, where each circuit exists when other circuit does not exist |
| 04/10/2008 | DE102006046387A1 DC-DC-Aufwärtswandler mit einer Ladungspumpe DC-DC boost converter with a charge pump |
| 04/10/2008 | DE102005005539B4 Energiequellenvorrichtung und Fahrzeuglampe Power source device and vehicle lamp |
| 04/09/2008 | EP1909383A2 Method and apparatus for a power supply controller responsive to a feedforward signal |
| 04/09/2008 | EP1909382A2 Method and apparatus to reduce audio frequencies in a switching power supply |
| 04/09/2008 | EP1909381A1 Dc/dc converter |
| 04/09/2008 | EP1909380A2 Integrated switch with internally adjusted conduction time |
| 04/09/2008 | EP1909379A2 Method and apparatus for pulse width modulation |
| 04/09/2008 | EP1745536A4 Method and system for communicating filter compensation coefficients for a digital power control system |
| 04/09/2008 | EP1254516A4 High power modulator |
| 04/09/2008 | CN201045747Y Ups |
| 04/09/2008 | CN101160707A Switched mode power converter and method of operation thereof |
| 04/09/2008 | CN101159417A Circuit and method of detecting input voltage of power supply converter |
| 04/09/2008 | CN101159416A Control circuit of power supply converter and method thereof |
| 04/09/2008 | CN101159415A Method and apparatus for a power supply controller responsive to a feedforward signal |
| 04/09/2008 | CN101159414A Control circuit of power converter |
| 04/09/2008 | CN101159413A Multi-phase converter with frequency and phase timing control |
| 04/09/2008 | CN101159412A Electronic device including boosting circuit |
| 04/09/2008 | CN101159411A Multi-phase buck converter with a plurality of coupled inductors |
| 04/09/2008 | CN101159410A Method and apparatus for a control circuit responsive to an impedance coupled to a control circuit terminal |
| 04/09/2008 | CN101159385A Veneer power source backup method and system |
| 04/09/2008 | CN101159372A Switch power source for digital relay protection |
| 04/09/2008 | CN100380798C Output regulator system |
| 04/09/2008 | CN100380797C Semiconductor apparatus for controlling a switching power supply |