Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
06/2006
06/29/2006WO2006067523A2 Power supply control system
06/29/2006WO2006067522A2 Power supply control system
06/29/2006US20060139977 High voltage pulse generator
06/29/2006US20060139974 Power device
06/29/2006US20060139970 Method of operating a resonant push-pull converter in an above resonant frequency mode
06/29/2006US20060139969 DC conversion apparatus
06/29/2006US20060139968 DC conversion apparatus
06/29/2006US20060139967 Synchronous rectifier drive circuit for low output voltage active clamp forward converter
06/29/2006US20060139966 TFT display with low loss construction of power supply
06/29/2006US20060139965 Power supply device and single photo-coupler control circuit thereof
06/29/2006US20060139296 Display apparatus having temperature compensation function
06/29/2006US20060139111 Method and apparatus to improve frequency stability of an integrated circuit oscillator
06/29/2006US20060139021 Serial connected low-loss synchronously switchable voltage chopper
06/29/2006US20060139016 Multi-phase buck converter
06/29/2006US20060139013 Power supply apparatus, backlight assembly and liquid crystal display apparatus having the same
06/29/2006US20060138973 Switching power supply device and method of controlling the switching device
06/29/2006US20060138112 Method and apparatus for receiving a universal input voltage in a welding, plasma or heating power source
06/29/2006DE4439787B4 A/D-Wandler A / D converter
06/29/2006DE19529333B4 Selbsterregender Rücklaufkonverter und Verfahren zur Steuerung eines selbsterregenden Rücklaufkonverters Selfexciting return converter and method for controlling a self-oscillating flyback converter
06/29/2006DE10205275B4 MOS-Schaltung zum Absenken der Durchlaßspannung von Dioden MOS circuit for lowering the forward voltage of diodes
06/29/2006DE102005022358A1 Spannungsvervielfacher-Schaltung Voltage multiplier circuit
06/28/2006EP1675252A1 PWM control apparatus having a standby mode
06/28/2006EP1673852A1 Method and circuit arrangement for operating a pulse width modulation-controlled electric motor
06/28/2006EP1378044B1 Control device and method for dc-dc converter
06/28/2006EP1323231B1 Controlled self-oscillation modulator and power conversion system using such a modulator
06/28/2006CN2792014Y Power unit and high-voltage frequency transformer comprising multi power units
06/28/2006CN1794553A Digitalization high frequency soft switch electroplating power supply
06/28/2006CN1794551A Locomotive 110v control power supply
06/28/2006CN1794548A Resonance type soft switch transducer
06/28/2006CN1794547A DC/DC transducer synchronous rectification hooping position driving circuit
06/28/2006CN1262061C Novel multiplex output circuit
06/27/2006US7068526 PWM inverter device
06/27/2006US7068524 Generator
06/27/2006US7068523 Parallel feed-forward compensating type power factor correction circuit for a three-phase power source
06/27/2006US7068485 Multi-output electric power source device and vehicle-mounted electronic control device
06/27/2006US7068114 Constant current circuit used for ring oscillator and charge pump circuit
06/27/2006US7068081 Frequency synthesizer with digital phase selection
06/27/2006US7068023 Switching power supply circuit and overcurrent protection method for the switching power supply circuit
06/27/2006US7068022 Method and apparatus for a switch mode power supply that generates a high pulse width modulation gain while maintaining low noise sensitivity
06/27/2006US7068020 Step-down DC—DC converter
06/22/2006WO2006065435A2 Power system with redundant power supply apparatus
06/22/2006WO2006018772A3 Dc-dc converter with adaptive switching parameter adjustment
06/22/2006WO2005114822A3 Time discrete control of a continuous quantity
06/22/2006US20060133121 Control system for a voltage converter
06/22/2006US20060133119 Electric power unit
06/22/2006US20060133118 Multiple-sampling circuit for measuring reflected voltage and discharge time of a transformer
06/22/2006US20060133117 Simple switched-mode power supply with current and voltage limitation
06/22/2006US20060133116 Synchronous rectifier gate drive shutdown circuit
06/22/2006US20060133115 Adaptive blanking of transformer primary-side feedback winding signals
06/22/2006US20060132222 Method of forming a floating charge pump and structure therefor
06/22/2006US20060132214 Level shifter
06/22/2006US20060132081 Power conversion apparatus
06/22/2006DE10392956T5 Einzelchip-Ballast-Steuerung mit Leistungsfaktor-Korrektur Single-chip ballast control with power factor correction
06/21/2006EP1671414A1 Switched-mode power supply
06/21/2006EP1671413A1 Integrated interface circuitry for integrated vrm power field effect transistors
06/21/2006EP1671412A1 Ripple-current reduction for transformers
06/21/2006EP1500178B1 A power supply system and apparatus
06/21/2006CN2790027Y Equation type electric power controller
06/21/2006CN1792026A Switch mode power supply apparatus with multiple regulated outputs and a single feedback loop
06/21/2006CN1792025A Power supply voltage converting circuit, method for controlling the same, display device, and mobile terminal
06/21/2006CN1790890A Intelligent soft starter with field-bus interface capable of communication
06/21/2006CN1790887A Insulated multipath output DC-DC converter
06/21/2006CN1790886A Semiconductor integrated circuit for controlling power supply, an electronic component and a power supply device
06/21/2006CN1790885A Short circuit current ratcheting in switch mode DC/DC voltage regulators
06/21/2006CN1790884A Power supply device and its operating method
06/21/2006CN1790572A Diagnose of dipole layer capacitor, deterioration detecting device thereof and emergency breaking valve
06/21/2006CN1260876C Switching power supply device
06/21/2006CN1260818C Electric charge pump device
06/20/2006US7064969 Monopolar DC to bipolar to AC converter
06/20/2006US7064968 Control for a switching power supply having automatic burst mode operation
06/20/2006US7064966 Switching dc power supply
06/20/2006US7064943 Boost-type switching power device
06/20/2006US7064530 Voltage regulator current sensing
06/20/2006US7064528 Droop amplifier circuit
06/20/2006US7064460 Method for balancing a three-point DC intermediate circuit, and an apparatus for carrying out the method
06/20/2006CA2043026C Process for the production of alkylbenzenes with dealuminized y zeolite catalysts
06/15/2006WO2006063024A1 Current controlled gate driver for power switches
06/15/2006WO2006062936A2 Single output el driver producing reduced current spikes
06/15/2006WO2006061952A1 Boosting circuit and portable apparatus using this
06/15/2006WO2006061924A1 Multi-output current-resonant type dc-dc converter
06/15/2006WO2006020296A3 Precision, low drift, stacked voltage reference
06/15/2006WO2006020227A3 Precision, low drift, closed loop voltage reference
06/15/2006WO2006015015A3 Digital pwm controller
06/15/2006WO2006013035A3 Control of power breakers
06/15/2006WO2006004972A3 Dc converter circuit with overshoot protection
06/15/2006US20060126366 Method and apparatus for output voltage regulation in primary control switched mode power supplies
06/15/2006US20060126365 Method for controlling power supply in a buffered modulation mode
06/15/2006US20060126364 Switching power supply circuit
06/15/2006US20060126363 Power system with redundant power supply apparatus
06/15/2006US20060126237 Booster power management integrated circuit chip with ESD protection between output pads thereof
06/15/2006US20060125552 Voltage-multiplier circuit
06/15/2006US20060125459 DC converter with halt mode setting means
06/15/2006US20060125458 ADC transfer function providing improved dynamic regulation in a switched mode power supply
06/14/2006EP1670129A1 Voltage converter
06/14/2006EP1668964A1 Power converter with digital signal processor
06/14/2006EP1668770A1 A switch mode power converter
06/14/2006EP1668769A1 Method and apparatus for isolating rfi, emi and noise transients in power supply circuits
06/14/2006EP1668435A1 Apparatus for generating corona discharges
06/14/2006EP1500181B1 Switching power supply with a snubber circuit
06/14/2006EP1497908B1 Circuit arrangement with power factor correction, and corresponding appliance