Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
09/2008
09/03/2008CN201108066Y Shoes capable of charging small-sized electric appliance
09/03/2008CN101258068A Electric power steering system
09/03/2008CN101257260A Synchronous rectification device
09/03/2008CN101257258A Switch power circuit
09/03/2008CN101257257A Off-line synchronous switch regulator
09/03/2008CN101257256A PWM controller and power supply converter for compensating max output power
09/03/2008CN101257255A Topological magnetic integrated converter suitable for LLC resonance series
09/03/2008CN101257254A 电压调整器 The voltage regulator
09/03/2008CN101257253A Step-up switching power supply device, and electronic device provided therewith
09/03/2008CN101257252A Voltage control circuit
09/03/2008CN101257251A Single-stage converter of high power factor
09/03/2008CN101257250A Transformer primary voltage nip bit three phase single-stage bridge type power factor correcting converter
09/03/2008CN101257122A Power supply apparatus
09/03/2008CN101256745A Public voltage generating circuit and LCD thereof
09/03/2008CN101256421A Current limitation circuit as well as voltage regulator and DC-DC converter including the same
09/03/2008CN100417006C DC/DC bridge for controlling a direct-current load
09/03/2008CN100416998C Energy saving discontinuous mode system
09/03/2008CN100416997C High frequency DC power supply with high power factor
09/03/2008CN100416996C Power factor correction circuit adopting coupled induction
09/03/2008CN100416995C DC-DC adjustor and system with same
09/03/2008CN100416994C Separation boost push-pull soft switch DC/AC converter
09/03/2008CN100416979C Auxiliary power supply and method for providing auxiliary power supply
09/03/2008CN100416798C Reverse voltage generation circuit
09/03/2008CN100416637C Apparatus for improving lightness uniformity of panel display
09/03/2008CN100416442C Adaptive duty ratio regulator
09/03/2008CN100415571C Motor control apparatus
09/02/2008US7421028 Transformer isolator for digital power supply
09/02/2008US7420828 Induction heating apparatus
09/02/2008US7420825 Adaptively configured voltage transformation module array
09/02/2008US7420823 Power factor correction control circuit
09/02/2008US7420614 Imaging device and method for controlling same
09/02/2008US7420356 Current direction detection circuit and switching regulator having the same
08/2008
08/28/2008WO2008102714A1 Drive control device for rotating electric machine, and vehicle
08/28/2008WO2008102479A1 Load driving circuit, integrated circuit, dc-dc converter and load driving method
08/28/2008WO2008101367A1 Magnetic integration structure
08/28/2008WO2008086329A3 Dc/dc converter
08/28/2008WO2008060850A9 Pulse width modulation sequence maintaining maximally flat voltage during current transients
08/28/2008US20080209240 Pre-emptive power supply control system and method
08/28/2008US20080207237 Communication in Phase Shifted Driven Power Converters
08/28/2008US20080205663 Supplying Electrical Power
08/28/2008US20080205099 Power transistor circuit and the method thereof
08/28/2008US20080205091 Self-oscillating power converter
08/28/2008US20080205090 Isolated Dc-Dc Converter
08/28/2008US20080205089 Dc/dc converter
08/28/2008US20080205088 Multi-input DC/DC converters with zero-current switching
08/28/2008US20080205087 Power supply feedback control using sensed duty cycle
08/28/2008US20080205086 Inverter system
08/28/2008US20080203995 Methods of discharge control for a battery pack of a cordless power tool system, a cordless power tool system and battery pack adapted to provide over-discharge protection and discharge control
08/28/2008US20080203933 Pulse width modulation signal generating circuit
08/28/2008DE10236872B4 Schaltungsanordnung zur steuerbaren Stromversorgung, insbesondere Schaltungsanordnung zum Dimmen von Leuchtdiodenanordnungen Circuit arrangement for controllable power supply, in particular circuit arrangement for dimming light emitting diode arrangements
08/28/2008DE102007049915A1 Selbstoszillierender Energiekonverter Self-oscillating power converter
08/28/2008CA2678878A1 3-phase high-power ups
08/27/2008EP1962302A1 Composite transformer and insulated switching power supply
08/27/2008EP1961118A1 High voltage power switches using low voltage transistors
08/27/2008EP1961110A1 Control device and corresponding control method for a boost converter in a motor drive system
08/27/2008EP1961103A1 Voltage conversion device
08/27/2008EP1520345B1 Pulse width modulation signal generator
08/27/2008EP0876704B1 Switched-mode power supply with state information
08/27/2008CN201107838Y Circuit system of duplicate supply loop automatic switch
08/27/2008CN201107396Y Direct-current power supply analog device
08/27/2008CN101253674A Charge pump circuit for rfid integrated circuits
08/27/2008CN101252797A Light emitting apparatus
08/27/2008CN101252320A Active clamping stagger parallel connection voltage boosting-type converter
08/27/2008CN101252319A Isolated active clamping stagger parallel connection voltage boosting-type converter
08/27/2008CN101252318A Power supply converter containing pulse-width modulation controller for compensation of maximum output power
08/27/2008CN101252317A Push-pull type self-oscillating power converter
08/27/2008CN101252316A Switching regulator
08/27/2008CN101252315A Method and system for determing current in an electrical component
08/27/2008CN101252314A Switching regulator
08/27/2008CN101252313A Self-adapting power supply voltage converter
08/27/2008CN101252312A Converter circuit
08/27/2008CN101252311A Adaptive controller with mode tracking and parametric estimation for digital power converters
08/27/2008CN101252310A Power supply device for outdoor high-voltage switch apparatus
08/27/2008CN100414828C Pulse-width regulating controller with frequency regulation function for power convertor
08/27/2008CN100414826C Switch type AC additional circuit
08/27/2008CN100414825C Switching power supply circuit and electronic apparatus provided therewith
08/27/2008CN100414824C Magnetism integration DC/DC conversion boosting type transmission ratio expander circuit
08/27/2008CN100414823C Active clamping circuit and power source supplying system
08/27/2008CN100414822C Power source system of portable photoionized detector
08/27/2008CN100414790C Power supply device for cathode-anode of overflow laser and method for power supplying to cathod-anode of multi-channel laser using the device
08/27/2008CN100414697C DC-DC converter implemented in a land grid array package
08/27/2008CN100414644C Voltage generating circuit
08/27/2008CN100414469C Circuit for speeding up stabilizing low voltage difference linear stabilizer output voltage
08/26/2008US7417876 Determining reflected power
08/26/2008US7417875 Power converter employing integrated magnetics with a current multiplier rectifier and method of operating the same
08/26/2008US7417838 Semiconductor integrated circuit
08/26/2008US7417413 Ripple converter
08/26/2008US7417382 High-efficiency adaptive DC/AC converter
08/21/2008WO2008100237A2 A smps circuit with multiple ac/dc inputs and application of such circuit to computer power supplies or laptop adapters
08/21/2008WO2008099952A1 Power conversion device
08/21/2008WO2008099884A1 Voltage control apparatus and voltage control method
08/21/2008WO2008099693A1 Boosting system failure diagnosis device, boosting circuit control device, and vehicle
08/21/2008WO2008099683A1 Dc converter
08/21/2008WO2008099558A1 Power supply circuit, charging unit having the power supply circuit, and power supply method
08/21/2008WO2008099087A2 Generator and method for generating a direct current high voltage, and dust collector using such generator
08/21/2008WO2008098813A1 Electronic security for a power supply
08/21/2008WO2008098424A1 A safe switch power supply circuit with high efficiency and low energy consume
08/21/2008WO2008033984A3 Circuitry for supplying electrical power to loads
08/21/2008US20080199997 Methods of Forming Inter-poly Dielectric (IPD) Layers in Power Semiconductor Devices
08/21/2008US20080198638 Control arrangement for a resonant mode power converter