Patents for H02M 1 - Details of apparatus for conversion (33,954)
06/2004
06/29/2004US6757183 Method for starting up a switched-mode power supply, and switched-mode power supply having a starting circuit
06/29/2004US6756825 Power device driving circuit
06/29/2004US6756702 Transport-lag compensator
06/29/2004US6756623 Semiconductor device and method of driving transistors
06/24/2004WO2004054079A2 Self-powered over-voltage protection circuit
06/24/2004WO2004047303A8 Protection circuit and method for floating power transfer device
06/24/2004WO2004034439A9 Method and apparatus for driving a power mos device as a synchronous rectifier
06/24/2004US20040123166 I/O resonance cancellation circuit based on charge-pumped capacitors
06/24/2004US20040120170 Inverter
06/24/2004US20040120166 Vsc-converter
06/24/2004US20040120094 Solenoid drive apparatus and drive method
06/24/2004US20040120090 Half-bridge high voltage gate driver providing protectin of a transistor
06/24/2004US20040119452 Pulse width modulated generator
06/24/2004US20040119449 High power factor inverter for electronic loads & other DC sources
06/24/2004US20040119448 Method and apparatus for electronic power control
06/24/2004US20040119447 Switching power supply circuit
06/24/2004DE10257908A1 Getaktete Leistungsversorgung Switched-mode power supply
06/24/2004DE10254236A1 Frequenzumrichter Frequency
06/23/2004EP1432109A1 Power source apparatus
06/23/2004CN2621359Y 电子变压器 Electronic Transformer
06/23/2004CN1507139A Electronic reactor for great power IF power source
06/23/2004CN1507138A Miniature high-density AC and DC power supply
06/22/2004US6753798 Filter configuration, method for filtering an analog filter input signal, and power factor controller
06/22/2004US6753670 Universal energy regulating controller circuit
06/22/2004US6753622 Uninterruptible power supply systems and methods using rectified AC with current control
06/22/2004CA2358835C Snubber circuit and power transformer using the same
06/17/2004WO2004051851A1 Driver for switching circuit and drive method
06/17/2004WO2003100968B1 Active common mode emi filter, including series cascaded filter with reduced power dissipation and transistor voltage rating
06/17/2004US20040114408 Method and device for controlling power supply
06/17/2004US20040114401 Switched-mode power supply
06/17/2004US20040114400 Method and apparatus for overload-controlling inverter power generation apparatus
06/17/2004US20040114398 Controller for DC to DC converter
06/17/2004US20040113741 Method for making magnetic components with N-phase coupling, and related inductor structures
06/17/2004US20040113600 Switching power supply unit and controller IC thereof
06/17/2004US20040113594 One cycle control continuous conduction mode pfc boost converter integrated circuit with integrated power switch and boost converter
06/17/2004US20040113497 Conserving power of a system on a chip using an alternate power source
06/17/2004DE10253981A1 Device for controlling actuators as in motor vehicle system foil substrates, separates modules of different sizes
06/16/2004EP1429461A1 Switching power supply
06/16/2004EP1428310A1 A converter and a method for controlling a converter
06/16/2004EP1428093A1 Amplifier having a variable power factor
06/16/2004CN1505237A Power supply control method, current-to-voltage conversion circuit and electronic apparatus
06/15/2004US6751109 Dual input AC/DC/ battery operated power supply
06/15/2004US6751108 Power supply input switching circuit improved with regard to line faults
06/15/2004US6751104 Single-stage power factor correction method to reduce energy storage capacitor voltage and circuit for same
06/11/2004CA2452739A1 Switched-mode power supply
06/10/2004WO2004038900A3 Ac-dc power converter having high input power factor and low harmonic distortion
06/10/2004WO2003030359A3 Gate driver apparatus having an energy recovering circuit
06/10/2004US20040109336 Integrated rectifying element
06/10/2004US20040109333 Switching Mode power supply incorporating power line filter
06/10/2004US20040109278 Transformer circuit
06/10/2004US20040108843 Tip having active circuitry
06/10/2004US20040108836 Uniterruptible power supply and its starting method
06/10/2004US20040108773 Capacitor and switch components cooperation to maintain input voltage to target circuit at or above cut-off voltage until power circuit is able to maintain the input voltage
06/09/2004EP1427106A1 A series power switch bridge having the ability of automatic voltage-sharing
06/09/2004EP1427105A2 Pulse width modulator
06/09/2004EP1427091A1 Resonant converter with integrated boost means
06/09/2004DE10351033A1 High voltage half bridge gate driver for MOSFET power transistors has soft disconnection protection step and diagnostic feedback using external power supply and control
06/09/2004CN1503599A Semiconductor device and control method
06/09/2004CN1153331C Power factor corrector circuit for UPS
06/09/2004CN1153330C UPS for improving its transient response time
06/09/2004CN1153329C UPS for widening its input voltage range
06/09/2004CN1153328C UPS capable of improving system parallel current equalizing
06/08/2004US6747880 Self-powered synchronous rectifiers
06/08/2004US6747502 Level shift circuit including a resistor configured to drive a high-withstand-voltage element
06/08/2004US6747458 Method for monitoring the ground potential of a rectifier drive
06/08/2004US6747443 Method and apparatus for trimming current limit and frequency to maintain a constant maximum power
06/08/2004US6747440 Voltage regulator circuit for smart card ICs
06/08/2004US6747373 System and method for coordinated control of a switched power capacitor with an integrated resonance protection system
06/03/2004WO2004047303A1 Protection circuit and method for floating power transfer device
06/03/2004WO2004047289A2 Circuit for providing resistance to single event upset to pulse width modulator integrated circuit
06/03/2004WO2004047278A1 Synchronous rectification switching power supply
06/03/2004WO2004047273A2 Power converter circuitry and method
06/03/2004WO2004047268A2 Power converter circuitry and method
06/03/2004WO2004047261A2 Power converter circuitry and method
06/03/2004WO2004047249A2 Control ic for low power auxiliary supplies
06/03/2004WO2004047225A2 Compact fluid cooled power converter supporting multiple circuit boards
06/03/2004WO2004036755A9 Space vector pwm modulator for permanent magnet motor drive
06/03/2004WO2004027993A3 Converter circuit and control method for same
06/03/2004WO2003034576A3 Method and system for charge pump active gate drive
06/03/2004US20040105285 Power supply control method, current-to-voltage conversion circuit and electronic apparatus
06/03/2004US20040105284 Method and apparatus for current limiting of an output of a DC-to-DC converter
06/03/2004US20040105283 Optimal control of wide conversion ratio switching converters
06/03/2004US20040105282 Power supply with a reduced harmonic load on the mains system , and a corresponding appliance
06/03/2004US20040105200 Inverter apparatus, drive control apparatus, and drive control method
06/03/2004US20040104714 Power source circuit
06/03/2004DE19711771B4 Geregeltes Schaltnetzteil mit Überlastsicherung Controlled switching power supply with overload protection
06/03/2004DE10156939B4 Schaltungsanordnung zum Betreiben einer elektrischenMaschine Circuit arrangement for operating an electrical machine
06/02/2004EP1423915A1 Half-bridge circuit
06/02/2004EP1423905A2 Fault tolerant power supply circuit
06/02/2004CN1502162A Self-oscillating circuit for driving high-side and low-side switching devices with variable width pulses
06/02/2004CN1501574A Switch power supply apparatus and controller IC thereof
06/02/2004CN1501572A Controller for DC to DC converter
06/02/2004CN1501571A Medium voltage frequency transformer for water injection pump
06/02/2004CN1152465C DC power unit with electric arc apparatus
06/01/2004US6744645 Output feedback and under-voltage detection system
06/01/2004US6744644 Soft-start of DC link capacitors for power electronics and drive systems
06/01/2004US6744642 Circuitry for resetting magnetic field of transformer
06/01/2004US6744241 Method for driving a switch in a switch-mode converter, and a drive circuit for driving a switch
06/01/2004US6744222 Discharge lamp lighting apparatus and lamp apparatus
05/2004
05/27/2004WO2004045057A1 Apparatus and method for turning off bjt used as synchronous rectifier