Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
03/2007
03/28/2007CN1307798C Circuit arrangement for the reliable switching of electrical circuits
03/28/2007CN1307778C Switch mode power source
03/28/2007CN1307777C Multiple output DC-DC converter
03/28/2007CN1307720C Semiconductor integrated circuit
03/27/2007US7196916 Alternated duty cycle control method for half-bridge DC-DC converter
03/27/2007US7196915 Integrated transformer based step-up converter
03/27/2007US7196914 Power converters having capacitor resonant with transformer leakage inductance
03/27/2007US7196913 DC conversion apparatus
03/27/2007US7196912 Lighting apparatus for discharge lamp
03/27/2007US7196911 DC power source unit with battery charging function
03/27/2007US7196892 Method and apparatus for isolating RFI, EMI, and noise transients in power supply circuits
03/27/2007US7196701 Driving apparatus for display device
03/27/2007US7196503 Current averaging circuit for a PWM power converter
03/27/2007US7196502 Switching regulator having soft start circuit
03/27/2007US7196479 Electronic ballast having a protective circuit for a switching transistor of a converter
03/22/2007WO2007032233A1 Synchronization rectification type forward converter
03/22/2007WO2007032119A1 Power source device, and electronic device using the same
03/22/2007WO2006137822A3 High voltage pulsed power supply using solid state switches
03/22/2007WO2006123843A3 Voltage control of upconverter in a motored vehicle drive
03/22/2007US20070064453 Dc-dc converter and method of controlling thereof
03/22/2007US20070064452 Switching power supply and control method thereof
03/22/2007US20070064451 Series resonant DC-DC converter
03/22/2007US20070063760 Charge pump
03/22/2007US20070063737 Integrated interface circuitry for integrated vrm power field effect transistors
03/22/2007US20070063589 Power supply having two switch-mode power supply units
03/22/2007US20070063307 Semiconductor device including power MOS field-effect transistor and driver circuit driving thereof
03/22/2007DE102006007021A1 Konstantspannungssteuereinrichtung Constant voltage control means
03/22/2007DE102005044723A1 Switching power supply for operating e.g. measuring devices, has watch dog circuit arranged on secondary side of switching unit, and monitoring switching activity of switching units
03/21/2007EP1764901A2 Method and apparatus to improve regulation of a power supply with a compensation signal responsive to the switching signal
03/21/2007CN2882105Y Inverter special for vehicle
03/21/2007CN2882100Y 开关电源装置 Switching power supply unit
03/21/2007CN2882099Y Circuit of high-voltage large capacity automatic charge energy suplementrary device
03/21/2007CN1934773A Power supply
03/21/2007CN1934772A Switching regulator
03/21/2007CN1934771A Power supply and display
03/21/2007CN1933692A Display apparatus and method of providing power to light source
03/21/2007CN1933312A Soft-start circuit for a dc-to-dc converter
03/21/2007CN1933311A Automatic adapting voltage positioning high-speed pulsewidth modulation controller and method
03/21/2007CN1933310A Method for raizing drive circuit reliability and large power drive circuit
03/21/2007CN1933309A Efficient voltage reducing switch
03/21/2007CN1933308A Electric field energy generation releasing device for processing molten steel and control system thereof
03/21/2007CN1933306A Starting circuit with feedforward compensation for power converter
03/21/2007CN1933284A Output voltage detection and closed ring controlling method for Non-contact inductive electric energy transmission system
03/21/2007CN1933017A 半导体器件 Semiconductor devices
03/21/2007CN1932709A Light source current drive circuit utilizing single-terminal 3,3V voltage power-supply
03/21/2007CN1306691C Power supply circuit with control of rise characteristics of output voltage
03/21/2007CN1306690C Dual-voltage-charge pump capable of charging anode and cathode respectively and its control circuit
03/21/2007CN1306674C Automatic restoring failure method and system for converter
03/20/2007US7193872 Solar array inverter with maximum power tracking
03/20/2007US7193871 DC-DC converter circuit
03/20/2007US7193870 Method and apparatus for dissipative clamping of an electrical circuit
03/20/2007US7193868 Switching power supply circuit
03/20/2007US7193867 DC converter
03/20/2007US7193866 Half-bridge LLC resonant converter with a synchronous rectification function
03/20/2007US7193865 Switched mode power supply responsive to current derived from voltage across energy transfer element input
03/20/2007US7193864 Power supply system and apparatus
03/20/2007US7193496 Magnetic element and power supply
03/20/2007US7193410 Transistor monitor for a multiphase circuit
03/20/2007US7193400 DC converter with halt mode setting means
03/20/2007US7193397 Voltage converter
03/20/2007US7193396 DC converters having buck or boost configurations
03/15/2007WO2007030199A1 Peak charging current modulation for burst mode conversion
03/15/2007WO2007029327A1 High-voltage power supply and mass spectrometer using the same
03/15/2007WO2007028385A1 A dc/dc power supply
03/15/2007WO2006103609A3 Control of a resonant converter
03/15/2007WO2006081531A3 Solar array inverter with maximum power tracking
03/15/2007WO2005094523A3 Switched-capacitor power supply system and method
03/15/2007US20070058404 Voltage conversion device
03/15/2007US20070058400 Switching power supply circuit and frequency converter
03/15/2007US20070058399 Switched-mode power supply
03/15/2007US20070058398 Start-up apparatus for power converters
03/15/2007US20070057936 Display apparatus and method of providing power to light source
03/15/2007US20070057898 Power supply voltage converting circuit, method for controlling the same, display device, and mobile terminal
03/15/2007US20070057650 Power supply apparatus
03/15/2007DE102006038474A1 Stromrichter Converter
03/15/2007DE102005042575A1 Circuit arrangement for supplying current to light emitting diode, has downward controller with input and output connected with respective input terminals for positive and negative potentials of input voltage
03/14/2007EP1763125A2 Power storage unit for an image forming apparatus
03/14/2007EP1763124A2 DC-DC converter
03/14/2007EP1761997A1 System and method for detecting an operational fault condition in a power supply
03/14/2007EP1761988A1 Device and method for equalizing charges of series-connected energy stores
03/14/2007EP1761987A1 Device and method for compensating charges of serially mounted individual cells of an energy store
03/14/2007EP1761931A2 Internal voltage generator scheme and power management method
03/14/2007EP1550200A4 Method and apparatus for driving a power mos device as a synchronous rectifier
03/14/2007EP1468485B1 Method and apparatus for maintaining a constant load current in a switch mode power supply
03/14/2007EP1415386A4 Simple and efficient switching regulator for fast transient loads
03/14/2007CN2879529Y Universal low-energy-consumption ceiling fan controller
03/14/2007CN2879521Y Thyristor voltage adjuster
03/14/2007CN2879520Y Single inductance soft switch dc convertor
03/14/2007CN1930774A Switch mode power supply with output voltage equalizer
03/14/2007CN1930769A Control circuit for switching power supply
03/14/2007CN1930768A Power supply apparatus
03/14/2007CN1930544A Droop amplifier circuit for a dc-dc converter
03/14/2007CN1930541A Adc transfer function providing improved dynamic regulation in a switched mode power supply
03/14/2007CN1929275A Capacitor push-pull highly effective transformer
03/14/2007CN1929274A Controller and control method for dc-dc converter
03/14/2007CN1929273A DC-DC converter and its control method, and switching regulator and its control method
03/14/2007CN1929272A Nondestructive buffering zero-voltage soft switch full-bridged PWM DC-DC converter
03/14/2007CN1305210C DC-DC power transfer device with zero voltage soft switch
03/14/2007CN1305199C Uniterruption power supply unit, changer and parallet work type changer
03/13/2007US7190596 Resonant converter with phase controlled switching