Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
11/2007
11/21/2007EP1858145A1 Voltage generator arrangement and method for voltage conversion
11/21/2007EP1858144A2 Fault tolerant power system architecture for fluid flow measurement systems
11/21/2007EP1858143A2 Switching power supply, electronic apparatus, and method of controlling switching power supply circuit
11/21/2007EP1856791A2 Power losses reduction in switching power converters
11/21/2007EP1856790A1 Exciter assemblies
11/21/2007CN200980043Y A switch stabilized voltage power supply
11/21/2007CN200980042Y A switch power supply specialized for a controller
11/21/2007CN200980041Y An interleaved parallel connection converter with a passive clamped soft switch in a high gain and rising voltage type
11/21/2007CN200980040Y A power converter
11/21/2007CN101075792A Series resonator for pulse power supply
11/21/2007CN101075787A Voltage-multiplying rectifying circuit
11/21/2007CN101075785A Power supply circuit device and electronic apparatus provided therewith
11/21/2007CN101075784A Zero-voltage DC/DC switch circuit with phase-shift control
11/21/2007CN101075783A Three-phase medium-frequency DC high-voltage power supply for ESP
11/21/2007CN101075782A Multiple outputting DC-DC converter with transformer of fewer leads
11/21/2007CN101075781A Switching power supply, electronic apparatus, and method of controlling switching power supply circuit
11/21/2007CN101075780A Method for utilizing 100Hz low-frequency switch power supply as auxiliary power supply
11/21/2007CN101075779A Changeover voltage adjuster for improving inputting-voltage range
11/21/2007CN101075778A Method and device for controlling resonance transition with no-load operation low-power loss
11/21/2007CN101075740A Multi-phase pulse-width modulator for loading current balance and its pulse delayed unit
11/21/2007CN100350731C Switch operation method of spontaneous switch mode power and spontanous switch power switch driving circuit
11/21/2007CN100350730C Switched-mode power supply with damping network
11/21/2007CN100350729C Double ended isolated DC-DC converter
11/21/2007CN100350728C Transistor circuit and booster circuit
11/21/2007CN100350715C Solar capacitance type voltage-boosting photo-voltaic power supply
11/21/2007CN100350504C Boosted circuit for semiconductor device
11/21/2007CN100350502C Voltage producer having lowered noise
11/21/2007CN100350350C Electronic device and its control
11/20/2007US7298634 Switching power supply circuit
11/20/2007US7298633 Switching power supply circuit
11/20/2007US7298632 Secondary current compensation method
11/20/2007US7298631 Switching power source apparatus
11/20/2007US7298214 Amplifying circuit with variable supply voltage
11/20/2007US7298198 Charge pump
11/20/2007US7298197 Multi-phase DC-DC converter with shared control
11/20/2007US7298116 Multiple-output dc-dc converter
11/15/2007WO2007130533A2 Method and apparatus for improving light load efficiency in switching power supplies
11/15/2007WO2007130437A2 Switched mode power supply with frequency modulation control
11/15/2007WO2007129468A1 Feedback for stabilizing dc voltage produced from resonance circuit
11/15/2007WO2007102106A3 Supply circuit and device comprising a supply circuit
11/15/2007WO2007047389A3 A system for high reliability power distribution within an electronics equipment cabinet
11/15/2007WO2007003967A3 Switch mode power supply control systems
11/15/2007WO2007002428A3 Multiple output buck converter
11/15/2007WO2006127421A3 Loop-powered field instrument
11/15/2007US20070263417 Power factor correction power supply
11/15/2007US20070263416 Method and apparatus for switching performance
11/15/2007US20070263415 Two terminals quasi resonant tank circuit
11/15/2007US20070262796 Load Driving Device and Portable Apparatus Utilizing Such Driving Device
11/15/2007US20070262763 Power supply circuit device and electronic apparatus provided therewith
11/15/2007DE202007010144U1 Lineare und rotative Potentiometer frei ablängbar Linear and Rotary Potentiometer free cut to length
11/15/2007DE19607929B4 Elektronisch gesteuerter Schaltkreis Electronically Controlled Circuit
11/15/2007DE102006023934B3 Non-volatile memory device, has control circuit with switch to switch current depending on digital logic potential and with current-potential-transducer connected with outlet, where transducer charges control potential to control drift unit
11/15/2007DE102006019681A1 Battery voltage controlling circuit arrangement for e.g. passenger car, has processing unit used for partial compensation of tolerances and/or temperature influences in signal and/or sensor arranged downstream to measuring device
11/14/2007CN200976546Y Two-stage BOOST circuit of series connection combination
11/14/2007CN200976545Y Switch power circuit capable of suppressing 8V to 80V input
11/14/2007CN200976544Y Feedforward pulse-width modulator
11/14/2007CN200976501Y Voltage regulating batteries for experimental laboratory
11/14/2007CN101073196A Soft-start circuit and method therefor
11/14/2007CN101073195A Voltage converter for converting a voltage to multiple output voltages and method of operating said voltage converter
11/14/2007CN101073194A Boosting circuit and portable apparatus using this
11/14/2007CN101072462A Magnetron driving power supply and control method
11/14/2007CN101071992A High voltage power voltage-reducing device
11/14/2007CN101071991A Switch power for reducing output ripple
11/14/2007CN101071986A Power supply circuit device and electronic apparatus provided therewith
11/14/2007CN101071985A Single-stage high-power factor DC power supply
11/14/2007CN101071984A Controller for dc-dc converter
11/14/2007CN101071983A Method to reduce inrush voltage and current in a switching power converter
11/14/2007CN101071982A Buck topology allowing step-up and polarity change
11/14/2007CN101071981A Voltage-rising DC/DC converter
11/14/2007CN101071980A High rate power-saving device
11/14/2007CN101071979A Transducer circuit power supply method and transducer
11/14/2007CN101071978A Start-up circuit and start-up method
11/14/2007CN101071977A Under voltage lock out circuit and method
11/14/2007CN101071976A Drive current generator, led driver, illumination device, and display device
11/14/2007CN101071949A Charge control circuit
11/14/2007CN101069768A Spur film high-pressure charging static-electricity device
11/14/2007CN100349373C Ripple converter
11/14/2007CN100349372C Impedance source up/down current DC/DC converter
11/13/2007US7295451 Switching power supply having dual current feedback
11/13/2007US7295450 Primary-controlled SMPS with adjustable switching frequency for output voltage and current control
11/13/2007US7295449 Simple switched-mode power supply with current and voltage limitation
11/13/2007US7295448 Interleaved power converter
11/13/2007US7295198 Voltage booster circuit, power supply circuit, and liquid crystal driver
11/13/2007US7295058 High voltage generating circuit preserving charge pumping efficiency
11/08/2007WO2007125949A1 Bidirectional dc-dc converter
11/08/2007WO2007125840A1 Power supply system and vehicle
11/08/2007WO2007125673A1 Power supply system and vehicle including the same
11/08/2007WO2007124518A1 Bridging of a stepdown controller in a converter of a solar unit
11/08/2007US20070258272 Switched mode power supply with frequency modulation control
11/08/2007US20070258271 Multi-MHz power converter
11/08/2007US20070257762 Riaa correction of audio signal with use of transformer
11/08/2007DE202007012626U1 Energieversorgungssystem mit der Möglichkeit zur Notstromversorgung Power supply system with the possibility for emergency power supply
11/08/2007DE102007002354A1 Stromabtastender Verstärker für Spannungsumwandler Stromabtastender amplifier for voltage converter
11/08/2007DE102006018149A1 Bridge driving circuit e.g. three-phase bridge driving circuit, for use in e.g. electric motor, has charge pump condensers formed and distributed into bridge sections of bridge circuit section
11/07/2007EP1852964A1 Power conversion apparatus
11/07/2007EP1852961A1 Driving circuit of piezoelectric transformer
11/07/2007EP1852960A2 Buck-boost control logic for PWM regulator
11/07/2007EP1634366A4 Frequency controlled resonant converter
11/07/2007EP1563590B1 Power converter circuitry and method
11/07/2007EP1522005B1 Circuit arrangement for stabilizing a supply voltage and method for operating said circuit arrangement