Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
12/2003
12/03/2003CN1129999C Zero voltage and current step up converter
12/03/2003CN1129981C Improved connector scheme for power pod power delivery system
12/02/2003US6657877 Power supply circuit
12/02/2003US6657876 Switched-capacitor-type stabilized power supply device
12/02/2003US6657875 Highly efficient step-down/step-up and step-up/step-down charge pump
12/02/2003US6657873 Switching power supply circuit
12/02/2003US6657872 Voltage converter
12/02/2003US6657838 LCD backlight inverter
12/02/2003US6657477 Integrated circuit
12/02/2003CA2198547C Dc-to-dc switching power supply utilizing a delta-sigma converter in a closed loop controller
11/2003
11/30/2003CA2430357A1 Hybrid power supply system
11/27/2003WO2003098790A1 Circuit arrangement for a resonant converter and method of operating said converter
11/27/2003WO2003098789A1 A regulated resonant voltage converter and a method of regulated resonance dc-dc voltage conversion
11/27/2003WO2003098787A2 Ac-dc converters with bi-directional valves
11/27/2003WO2003098773A1 Single stage power converter for contact-less energy transfer
11/27/2003WO2003071651A3 Hybrid power supply
11/27/2003WO2003055050A3 Programmable current-sensing circuit providing discrete step temperature compensation for dc-dc converter
11/27/2003WO2003032477A3 Integrated magnetics for a dc-dc converter with flexible output inductor
11/27/2003WO2003026111A3 Dc voltage converting device
11/27/2003WO2003019986A3 Direct current supply device for arc furnace
11/27/2003WO2002097958A3 Circuit configuration comprising a control loop
11/27/2003US20030220026 Switching power supply unit
11/27/2003US20030218894 Electronic apparatus
11/27/2003US20030218893 Two-step ripple-free multi-phase buck converter and method thereof
11/27/2003US20030218892 Switching power supply apparatus
11/27/2003US20030218889 Filtering device for converting electrical energy
11/27/2003US20030218887 Synchronous and bi-directional variable frequency power conversion systems
11/27/2003US20030218455 Current sense apparatus and method
11/27/2003US20030218453 Voltage regulator for a charge pump circuit
11/27/2003US20030218449 Method for power conversion using combining transformer
11/27/2003US20030218384 Electronic apparatus and power control method
11/27/2003CA2484484A1 Ac-dc converters with bi-directional valves
11/26/2003EP1365501A2 Welding current source and method of operation for the same
11/26/2003EP1365500A2 Switched mode power supply
11/26/2003EP1365499A1 Switching power supply circuit and frequency converter
11/26/2003EP1364737A1 Arc welding power source
11/26/2003EP1364456A2 Amplification systems and methods using fixed and modulated power supply voltages and buck-boost control
11/26/2003EP1364454A1 Mobile power generation system
11/26/2003EP1364447A2 Asymmetric multi-converter power supply
11/26/2003EP1364445A2 Power factor correction control circuit and power supply including same
11/26/2003EP1364444A1 Method and apparatus for providing an initial bias and enable signal for a power converter
11/26/2003EP1224726B1 Switched power supply converter for broad range of input voltages
11/26/2003CN2588652Y High-frequency group pulse power supply
11/26/2003CN2588629Y Adapter
11/26/2003CN1459140A DC-DC converter
11/26/2003CN1459139A Device for voltage conversion
11/26/2003CN1458740A Power device with improved output voltage responsiveness
11/26/2003CN1129227C Coil-free ac/dc power source
11/26/2003CN1129226C Switch power circuit and isolated variable transformer
11/26/2003CN1129225C Zero-voltage switch isolating transformer with fixed transmission ratio
11/25/2003US6654592 Method and arrangement for adjusting output power of a transmitter power supply
11/25/2003US6654296 Devices, circuits and methods for dual voltage generation using single charge pump
11/25/2003US6654267 Power supply apparatus providing plural outputs of specific characteristics
11/25/2003US6654266 Selectable arrangement energy converter
11/25/2003US6654263 Linear regulator with switched capacitance output
11/25/2003US6654259 Resonance type switching power supply unit
11/25/2003US6654258 Resonant power supply circuit
11/25/2003US6653960 Stabilized power supply using delta sigma modulator
11/25/2003US6653924 Transformer with controlled interwinding coupling and controlled leakage inductances and circuit using such transformer
11/25/2003US6653889 Voltage generating circuits and methods including shared capacitors
11/25/2003US6653888 Internal power voltage generator of semiconductor device
11/20/2003WO2003096762A1 Trigger circuit for an electronic flash device
11/20/2003WO2003096520A2 Charge pump
11/20/2003WO2003034387A3 Method and clamping apparatus for securing a minimum reference voltage in a video display boost regulator
11/20/2003WO2003030343A3 High voltage generator incorporated in an integrated circuit
11/20/2003WO2003026114A3 Universal energy supply system
11/20/2003WO2003026112A3 Universal power supply system
11/20/2003US20030214826 Integrated traction inverter module and DC/DC converter
11/20/2003US20030214822 Circuit for ac adapter to reduce power drawn from an ac power source
11/20/2003US20030214821 System, method and apparatus for contact-less battery charging with dynamic control
11/20/2003US20030214820 Power supply apparatus and power supply control method for the same
11/20/2003US20030214819 Power supply apparatus for the reduction of power consumption
11/20/2003US20030214349 Boost circuit
11/20/2003US20030214347 Basic stage for a charge pump circuit
11/20/2003US20030214346 Charge pump for negative voltages
11/20/2003US20030214276 Method of frequency limitation and overload detection in a voltage regulator
11/20/2003US20030214274 Multiple-phase power converter having current sharing and high frequency filtering
11/20/2003US20030214272 Power supply and PWM circuits
11/20/2003US20030214271 System and method for bi-directional power conversion in a portable device
11/20/2003US20030214251 DC voltage converting circuit
11/19/2003EP1363017A1 Circuit layout for electric motor (starter-generator) with passive charge pump
11/19/2003EP1362408A2 Dual mode pulse-width modulator for power control applications
11/19/2003EP0900469B1 Switched-mode power supply arrangement
11/19/2003CN1457546A Start-up circuit for switched mode power supply
11/19/2003CN1457545A 电源装置 Power supply unit
11/19/2003CN1457140A Over current output protective circuit and switching constant voltage power supply
11/19/2003CN1457139A Stabilized voltage swtich supply with overpressure output protective circuit and electronic device
11/19/2003CN1457137A Dc-dc变换器 Dc-dc converter
11/19/2003CN1457136A Low-loss DC/DC booster circuit
11/19/2003CN1457128A Power supply device and its designing method, generator thereof
11/19/2003CN1128497C Pulse with modulation control equipment
11/18/2003US6650833 Exposure control drive apparatus
11/18/2003US6650560 Dual input AC and DC power supply having a programmable DC output utilizing single-loop optical feedback
11/18/2003US6650558 Asymmetrical drive circuit for full-wave bridge
11/18/2003US6650556 Multi-phase DC—DC converter
11/18/2003US6650555 Switched-capacitor-type stabilized power circuit
11/18/2003US6650554 Power factor corrector with efficient ripple attenuator
11/18/2003US6650553 Isolated switching power supply having volt-second clamping circuit
11/18/2003US6650552 Switching power supply unit with series connected converter circuits
11/18/2003US6650551 ZVS/ZVT resonant choke with voltage clamp winding