Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 3 - Conversion of dc power input into dc power output
Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
12/2010
12/29/2010CN101932173A A converter device for driving light sources, related method and computer program product
12/29/2010CN101931375A Amplifier circuit with high power supply rejection ratio
12/29/2010CN101931345A Solar charging system, highest power point tracking device and turn ON/OFF method thereof
12/29/2010CN101931337A Chopper inverter circuit for photovoltaic power generation and control method thereof
12/29/2010CN101931334A Frequency modulation controller, switch mode power supply, and switching operation frequency modulation method
12/29/2010CN101931333A Power converter applying changeable switch frequency and magnetic unit with uneven interval
12/29/2010CN101931332A Converter
12/29/2010CN101931329A Method and system for optimizing efficiency of LLC ((Logical Link Control) topology and LLC topology system
12/29/2010CN101931328A High-voltage switch power supply for power modulator of travelling wave tube
12/29/2010CN101931327A System and method for PFM/PWM mode transition within a multi-phase buck converter
12/29/2010CN101931326A Buck-boost converter with sample and hold circuit in current loop
12/29/2010CN101931325A System and method for determining output voltage level information from phase voltage for switched mode regulator controllers
12/29/2010CN101931324A Current control system and method
12/29/2010CN101931323A Method for enhancing non-uniform variation grid width of light load efficiency of integrated switch DC-DC converter
12/29/2010CN101931322A Voltage changer
12/29/2010CN101931321A Power conversion circuit
12/29/2010CN101931316A LLC (Liquid Level Control) topology and current limiting circuit thereof
12/29/2010CN101930021A Current sampling circuit, resonant circuit and DCDC converter
12/29/2010CN101929622A LED illuminating system and control method thereof
12/29/2010CN101562398B Input series connection push-pull forward converter
12/29/2010CN101546958B Improved technique for pulse-width modulation of switching power supply and device for achieving same
12/29/2010CN101420180B Switching power source device
12/29/2010CN101292415B Device and method for measuring output current from primary side of power converter
12/28/2010US7859874 Universal AC or DC aircraft device power supply having power factor correction
12/28/2010US7859869 Forward converter transformer saturation prevention
12/28/2010US7859867 Method and inverter for converting a DC voltage into a 3-phase AC output
12/28/2010US7859866 Controller IC, DC-AC conversion apparatus, and parallel running system of DC-AC conversion apparatuses
12/28/2010US7859865 Method and apparatus for conditional response to a fault condition in a switching power supply
12/28/2010US7859864 Switching power supply device
12/28/2010US7859863 Single-stage power factor correction circuit
12/28/2010US7859862 Apparatus and method for regulating constant output voltage and current on primary side in a flyback converter
12/28/2010US7859861 Insulated power transfer device
12/28/2010US7859860 Switching power source device, switching power source control circuit, and switching power source device control method
12/28/2010US7859859 Primary side sampled feedback control in power converters
12/28/2010US7859229 Discharge device
12/23/2010WO2010148329A1 Multimodal led power supply with wide compliance voltage and safety controlled output
12/23/2010WO2010148066A2 System, method and apparatus for controlling converters using input-output linearization
12/23/2010WO2010146688A1 Converter output diode shortcircuit detection device
12/23/2010WO2010146642A1 Switching power source device and semiconductor device
12/23/2010WO2010146470A2 Solar array regulator based on step-up and down conversion and solar power system comprising the same
12/23/2010WO2010146068A1 A digital stress share method
12/23/2010WO2010145690A1 Converter
12/23/2010WO2010119324A3 Onboard multiphase converter
12/23/2010WO2010055016A3 Control for an electrically adjustable item of furniture
12/23/2010US20100321964 Power Adapter Employing a Power Reducer
12/23/2010US20100321963 Switching power supply apparatus and semiconductor device
12/23/2010US20100321962 Frequency Modulation Controller, Switch Mode Power Supply Including The Same, And Switching Operation Frequency Modulation Method
12/23/2010US20100321961 Insulation transformer and key input circuit having the same
12/23/2010US20100321960 Switching power supply unit
12/23/2010US20100321959 Converter
12/23/2010US20100321958 Power Converter Employing a Variable Switching Frequency and a Magnetic Device with a Non-Uniform Gap
12/23/2010US20100321957 Standby power method and apparatus for power module applications
12/23/2010US20100321956 Control method, constant current control method, method for generating a real current source to represent average current through a winding, constant current and constant voltage power converter, switch controller, and average voltage detector
12/23/2010US20100321955 Apparatus for transfer of electrical energy
12/23/2010CA2764504A1 Converter
12/22/2010EP2264882A1 Switching power supply unit
12/22/2010EP2264881A2 Frequency limitation method with time hysteresis used in quasi-resonant control
12/22/2010EP2264880A2 Automatically controlled synchronous rectifier
12/22/2010EP2264879A1 Digit low dropout regulator
12/22/2010EP2264878A1 DC-DC converter with control loop
12/22/2010EP2264876A1 Active-power filter with input voltage feedforward and output load feedforward
12/22/2010EP2263301A1 Method for controlling a switching device of a resonant power converter, especially in order to provide a required power, especially for an x-ray generator
12/22/2010EP2263300A2 Method and apparatus for providing an initial bias and enable signal for a power converter
12/22/2010EP1553475B1 Pulse power supply for regenerating magnetic energy
12/22/2010CN201682426U AC/DC conversion device with low harmonic wave and high accuracy
12/22/2010CN201682420U Isolated power circuit used for high-frequency electrical dedusting control panel
12/22/2010CN201682419U Three-port alternating-current and direct-current dual-use power supply device
12/22/2010CN201682418U Current frequency converter
12/22/2010CN201682417U Power supply protection circuit based on super capacitor
12/22/2010CN201682416U Charge pump
12/22/2010CN201682415U Negative power supply voltage-stabilizing circuit
12/22/2010CN201682297U Intelligent battery pack capable of allowing number of lithium batteries to be increased
12/22/2010CN101926087A Rotating electric device control system and vehicle drive system
12/22/2010CN101926086A Rotating electric device control system and vehicle drive system
12/22/2010CN101926084A 燃料电池系统 The fuel cell system
12/22/2010CN101926083A Dc-dc converter
12/22/2010CN101926082A Electronic driver circuit and method
12/22/2010CN101926081A Time division multiplexing DC-to-DC voltage converter
12/22/2010CN101926080A System and method of providing power using switching circuits
12/22/2010CN101926079A Self-oscillating regulated low-ripple charge pump and method
12/22/2010CN101925237A Primary constant-current control device of isolated type flyback converter
12/22/2010CN101924478A Power supply method of mobile type hoisting equipment and system thereof
12/22/2010CN101924473A Leakage inductance damping circuit of Flyback transformer
12/22/2010CN101924472A MOS tube and IGBT tube mixed bridge-circuit inverter type welding/cutting power supply
12/22/2010CN101924471A Method for constantly outputting current and device thereof
12/22/2010CN101924470A Low-voltage power supply multi-path output power
12/22/2010CN101924469A Switching power supply with fast transient response
12/22/2010CN101924468A Way out of balance (WOB) current correction for use with a multi-phase DC-DC converter
12/22/2010CN101924467A System and method for ORing phases to overcome duty cycle limitations in a multiphase boost converter
12/22/2010CN101924466A 电源控制电路 The power control circuit
12/22/2010CN101924465A Charge pump circuit for realizing multi-mode voltage gain and realizing method thereof
12/22/2010CN101924464A Component fault detection for use with a multi-phase DC-DC converter
12/22/2010CN101924463A PFM control method of switching power converter and realizing device thereof
12/22/2010CN101924462A Audio encoding chip power supply circuit
12/22/2010CN101924461A Direct connection preventing voltage converter of electromobile
12/22/2010CN101924458A Switch power supply and prevention method thereof
12/22/2010CN101923756A Power management device and point of sales terminal apparatus using thereof
12/22/2010CN101920780A Power supply system and method of shipping work
12/22/2010CN101242125B Rotating asynchronous converter and a generator device
12/22/2010CN101159385B Veneer power source backup method and system
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