Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
01/2008
01/17/2008US20080013345 DC-DC converter and power supply apparatus
01/17/2008US20080013344 Ac power supply apparatus
01/17/2008US20080013343 Method and apparatus for a high voltage power supply circuit
01/17/2008US20080012502 Led power control methods and apparatus
01/17/2008US20080012425 Power supply equipment with matching indicators on converter and connector adapters
01/17/2008DE102006032418A1 Voltage converter i.e. direct current-direct current-voltage converter for generating active voltage supply, has terminal provided for connecting inductor, and switches connecting terminal with input, outputs and ground line
01/17/2008CA2654143A1 Direct current / direct current converter with multiple outputs
01/16/2008EP1879285A1 Power supply apparatus using half-bridge circuit
01/16/2008EP1879284A2 DC-DC converter and power supply apparatus
01/16/2008EP1879174A2 Voltage generator for the gate driver, driving device and display apparatus comprising the same
01/16/2008EP1878107A1 Resonant dc/dc converter with zero current switching
01/16/2008EP1878106A2 Plurality of solar cell modules, each of which is coupled to a voltage transformer via a switch element
01/16/2008EP1711875A4 Bootstrap capacitor refresh circuit
01/16/2008CN201008142Y Safety type isolated gate controller
01/16/2008CN201008125Y Active clamp magnetic integrated transducer
01/16/2008CN101107773A Control circuit for self-excitation dc/dc converter, light emitting device using such control circuit, and electronic device
01/16/2008CN101107772A Synchronous rectification type switching regulator, its control circuit and method for controlling its operation
01/16/2008CN101107581A Power source system
01/16/2008CN101106846A A driving power and control method for magnetic control tube
01/16/2008CN101106333A Method and device for providing synchronous rectification circuit of off-line power converter
01/16/2008CN101106332A A switch power device
01/16/2008CN101106331A Control circuit of multi-channel power converter
01/16/2008CN101106330A Switching controller for parallel power converter
01/16/2008CN101106329A Method and apparatus for a high voltage power supply circuit
01/16/2008CN101106328A DC-DC converter and power supply apparatus
01/16/2008CN101106327A Multi-functional integrated DC converter
01/16/2008CN101106326A DC-DC converter
01/16/2008CN101106325A Switching regulator
01/16/2008CN101106324A Switching regulator
01/16/2008CN101106323A A low voltage and high gain charge circuit
01/16/2008CN101105697A Solar energy generation system most power tracking method and device
01/15/2008US7319601 Starting circuit for switching power supplies
01/15/2008US7319600 Apparatus for supplying power and liquid crystal display having the same
01/10/2008WO2008005024A1 Constant current charge pump controller
01/10/2008WO2008004647A1 Power supply system and vehicle having the same
01/10/2008WO2008004464A1 Voltage converter and vehicle having the same
01/10/2008WO2008004418A1 Vehicle power output device and its control method
01/10/2008WO2008004363A1 Power unit and receiver
01/10/2008WO2008004009A2 Switch mode power supply systems
01/10/2008WO2008004008A2 Switch mode power supply systems
01/10/2008WO2007123884A3 Single stage integrated boost inverter motor drive circuit
01/10/2008WO2007108974A3 Multi-path digital power supply controller
01/10/2008WO2007106184A3 Switching power supply system with pre-regulator for circuit or personnel protection devices
01/10/2008US20080007982 Switch mode power supply systems
01/10/2008US20080007981 Voltage converter
01/10/2008US20080007980 Power supply apparatus including charge-pump type step-up circuit having different discharging time constants
01/10/2008US20080007977 Switch mode power supply systems
01/10/2008US20080007976 Power supply device and electric appliance provided therewith
01/10/2008US20080007975 Switching power supply
01/10/2008US20080007974 Method for operating a converter circuit, and apparatus for carrying out the method
01/10/2008US20080007381 Method and apparatus for substantially reducing electrical earth displacement current flow generated by wound components
01/10/2008US20080007324 Booster Circuit, Semiconductor Device, And Electronic Apparatus
01/10/2008US20080007232 DC-DC converting method and apparatus
01/10/2008DE19724277B4 Interne Quellenspannungserzeugungsschaltung Internal source voltage generating circuit
01/10/2008DE102006029389A1 Verfahren zur Erweiterung der Diagnosefähigkeit von Stromreglern Method for extending the diagnostic capability of current regulators
01/09/2008EP1876695A1 Plug type power supply unit
01/09/2008EP1876694A1 Booster circuit
01/09/2008EP1876600A1 Control integrated circuit of a charge pump
01/09/2008EP1875592A1 Communication in phase shifted driven power converters
01/09/2008EP1875591A1 Multi-phase voltage regulator
01/09/2008EP1522005B8 Circuit arrangement for stabilizing a supply voltage and method for operating said circuit arrangement
01/09/2008CN201004604Y No reverse DC power supply
01/09/2008CN201004603Y Car power supply conversion device
01/09/2008CN201004600Y A separated switch power supply
01/09/2008CN201004599Y A high price/performance ratio redundancy power supply
01/09/2008CN101102084A Method of forming a secondary-side controller and structure therefor
01/09/2008CN101102083A Power supply conversion device
01/09/2008CN101102082A Electrical level shift circuit and its method
01/09/2008CN101102081A Semiconductor integrated circuit
01/09/2008CN101102080A Startup circuit of voltage elevation regulator and its startup method
01/09/2008CN101102079A Power factor correction circuit and method therefor
01/09/2008CN101102078A Three-phase single-level power factor correction circuit based on full bridge structure
01/09/2008CN101102077A Single-level power factor correction converter circuit
01/09/2008CN101102076A Soft startup circuit of switch power supply and its startup method
01/09/2008CN101102074A Variable frequency multi-phase oscillator
01/09/2008CN100361382C Intelligent soft starter with field-bus interface capable of communication
01/09/2008CN100361379C Resonance type soft switch transducer
01/09/2008CN100361378C Voltage converting circuit
01/09/2008CN100361377C Inrush current limiting circuit for pulse frequency modwlation to control charge pump
01/09/2008CN100361376C Magnetic energy driver for step-down type synchronous rectification circuit
01/09/2008CN100361375C Inrush current prevention circuit for dc-dc converter
01/09/2008CN100361179C Electronic circuit and its driving method,eletrooptical device andelectronic machine
01/08/2008US7317625 Parallel current mode control using a direct duty cycle algorithm with low computational requirements to perform power factor correction
01/08/2008US7317624 Power factor correction method and apparatus and power supply using the same
01/08/2008US7317483 Charge transfer device having output amplifier with reduced power consumption
01/08/2008US7317306 Nonlinear adaptive voltage positioning for DC-DC converters
01/08/2008US7317301 Auxiliary power supply
01/08/2008US7317265 Method and apparatus for power management
01/08/2008CA2509266C Energy saving startup circuit for power supply
01/08/2008CA2389298C Externally-driven scheme for synchronous rectification
01/03/2008WO2008002226A1 Modular hvdc converter
01/03/2008WO2008001890A1 Switching power supply apparatus
01/03/2008WO2008001603A1 Dc/dc converter
01/03/2008WO2008001163A1 Voltage regulation apparatus and method of regulating a voltage
01/03/2008WO2008000978A2 Method and device for charging an electrical energy storage element, in particular an ultracapacitor
01/03/2008WO2008000907A1 Passive amplification of signals
01/03/2008WO2008000264A1 A method of driving an inductive load
01/03/2008WO2007099489A3 Improved window comparator with accurate levels for use in dc-dc converters
01/03/2008US20080002441 Method of forming a secondary-side controller and structure therefor
01/03/2008US20080002440 Inverter control circuit with a resonant frequence modulation function