Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
08/2010
08/25/2010CN101814835A Control circuit suitable for DCM mode of Buck DC-DC converter
08/25/2010CN101814834A Switch power supply single-loop constant-frequency hysteresis control method and device thereof
08/25/2010CN101814833A voltage regulator
08/25/2010CN101814832A Improved pulse sequence control method of switch power supply and device thereof
08/25/2010CN101814831A Boosting circuit
08/25/2010CN101814830A DC transformer
08/25/2010CN101814829A Charge pump circuit and reference voltage generating circuit thereof
08/25/2010CN101814828A Series circuit of power switch device
08/25/2010CN101814827A Two-stage type DC converter with high voltage input and low-voltage large current output
08/25/2010CN101814766A Power supply topology structure of electric automobile bidirectional charger
08/25/2010CN101814765A Power supply control system of bidirectional electric automobile charger
08/25/2010CN101814763A Small conversion device for use in wind power generation
08/25/2010CN101814742A Transformer for high-voltage direct current power grid
08/25/2010CN101813032A Electromagnetic valve driving circuit of diesel engine
08/25/2010CN101345477B DC-DC decompression converting circuit for reducing voltage stress of fly-wheel diode
08/25/2010CN101228684B Power supply device and electric device using the same
08/25/2010CN101154891B Resonance converter and its synchronous commutation driving method
08/25/2010CN101136591B Power supply device and operations control method thereof
08/25/2010CN101071982B Converter allowing step-up and polarity change and electronic device
08/24/2010US7782640 Inverter circuit and backlight unit having the same
08/24/2010US7782636 RV converter with current mode and voltage mode switching
08/24/2010US7782635 DC converter with independently controlled outputs
08/24/2010US7782634 Switched-mode power supply and power supplying method thereof
08/24/2010US7782633 Non-contact power transmission device
08/24/2010US7782026 Regulator circuit and corresponding uses
08/24/2010US7781982 Low-voltage power supply circuit for illumination, illumination device, and low-voltage power supply output method for illumination
08/19/2010WO2010092843A1 Comparator type dc-dc converter using synchronous rectification method
08/19/2010WO2010092759A1 Motor control device and electric power steering device
08/19/2010WO2010092704A1 Insulated switching power supply device
08/19/2010WO2010092548A2 H-bridge control circuit
08/19/2010WO2010092233A1 Control method and circuit for half-bridge-connected dc converter
08/19/2010WO2010092026A1 Circuit charge pump arrangement and method for providing a regulated current
08/19/2010WO2010074842A3 Stacked power converter structure and method
08/19/2010WO2008151118A3 Miniature high-voltage power supplies
08/19/2010US20100209132 Power supply apparatus and image forming apparatus
08/19/2010US20100208500 Detecting Light Load Conditions and Improving Light Load Efficiency in a Switching Power Converter
08/19/2010US20100208499 Standby operation of a resonant power converter
08/19/2010US20100208498 Ultra-low voltage boost circuit
08/19/2010US20100207598 Voltage conversion device
08/19/2010DE202010005578U1 Anordnung in Verbindung mit einem Netzteil und Frequenzumrichter mit der Anordnung Arrangement in connection with a power supply and inverter with the arrangement
08/19/2010DE102010001630A1 Kombinieren von zwei oder mehreren Gleichspannungswandlern, um externe Spulen zu begrenzen To limit combining two or more DC-DC converters external coils
08/19/2010DE102009024611A1 Leistungsschaltung und Beleuchtungsvorrichtung Power circuit and illumination device
08/19/2010DE102009008072A1 Step-up converter for use in three-phase power inverter to step up input direct current voltage into high output direct current voltage, has high and low side switching transistors controlled by control unit in synchronized manner
08/19/2010DE10102339B4 Entladungslampen-Leuchtbetriebsschaltung A discharge lamp lighting circuit
08/18/2010EP2219275A1 Electric circuit for converting direct current into alternating current
08/18/2010EP2218305A1 Power supply circuit
08/18/2010EP2218185A1 Self tracking adc for digital power supply control systems
08/18/2010EP2218167A1 Blocking oscillator type converter
08/18/2010EP2218166A2 Miniature high-voltage power supplies
08/18/2010EP2218165A1 Power supply arrangement with secondary voltage monitoring
08/18/2010EP2218164A1 Power supply arrangement with output flow monitoring
08/18/2010EP2218163A1 Switching regulator with balanced control configuration with filtering and referencing to eliminate compensation
08/18/2010CN201557302U Multiple-path PWM wave-chopping flow-equalizing circuit suitable for LED driver
08/18/2010CN201557292U High efficiency constant current LED driver
08/18/2010CN201557058U Photovoltaic topological structure
08/18/2010CN201557053U Switch power control circuit
08/18/2010CN201557052U Switch power source
08/18/2010CN201557051U Multifunctional power adapter
08/18/2010CN201557045U Self-excitation vibration type switch power supply
08/18/2010CN201555883U Power supply circuit, detection circuit and mobile communication terminal
08/18/2010CN201555863U Three-phase energy-regenerating alternating current and direct current universal electronic load simulator
08/18/2010CN1954480B Switching regulator and voltage control method thereof
08/18/2010CN1783687B Method and apparatus for reducing body diode conduction of synchronous rectifiers
08/18/2010CN1578078B Series interleaved boost converter power factor correcting power supply
08/18/2010CN101809854A Voltage/current control apparatus and method
08/18/2010CN101809853A Switch mode power supply (SMPS) and methods thereof
08/18/2010CN101809852A Current driving method and circuit
08/18/2010CN101809851A Voltage conversion device and electrical load drive device
08/18/2010CN101809687A Multiphase inductive power supply system
08/18/2010CN101808448A Pulse width modulation dimming method of high-brightness light-emitting diode of switch-type DC-DC converter
08/18/2010CN101807860A Graphite furnace power supply with wide load range and automatic compensation of load change
08/18/2010CN101807858A Small two-way positive and negative output high-voltage module power
08/18/2010CN101807857A Current sampling circuit
08/18/2010CN101807856A Dc-dc converter and switching control circuit
08/18/2010CN101807855A Single die output power stage using trench-gate low-side and ldmos high-side mosfets, structure and method
08/18/2010CN101807854A Buffer interchange buck chopper system
08/18/2010CN101807853A Voltage regulator
08/18/2010CN101807852A DC/DC converter
08/18/2010CN101807543A Single die output power stage using trench-gate low-side and ldmos high-side mosfets, structure and method
08/18/2010CN101807105A Time sequence control circuit
08/18/2010CN101388609B Low voltage wide input push-pull positive stimulate three level DC converter and controlling method thereof
08/18/2010CN101325368B Alternation parallel voltage-releasing type convertor implemented by three-winding coupling inductance
08/18/2010CN101222181B Volt-second control circuit
08/18/2010CN101178613B Voltage output device
08/18/2010CN101107581B Power source system
08/17/2010US7778056 Power converter with low loss switching
08/17/2010US7778051 Output current control circuit for power converter with a changeable switching frequency
08/17/2010US7778050 Energy transfer device and energy transfer control semiconductor device
08/17/2010US7778049 Switching power supply
08/17/2010US7778048 Switching power supply apparatus
08/17/2010US7778047 Inverter
08/17/2010US7778046 Voltage step-up switching DC-to-DC converter field of the invention
08/17/2010US7777587 Minimum pulse width for pulse width modulation control
08/17/2010US7777456 Electric storage device
08/17/2010US7777426 Circuit arrangement and method for controlling a pulsed power supply
08/17/2010US7777369 Apparatus, system and methods for enabling linearity improvement in voltage controlled variable capacitors
08/12/2010WO2010090032A1 Current detecting circuit and transformer current measuring system
08/12/2010WO2010089888A1 Power source system
08/12/2010WO2010088761A1 Method and apparatus for manipulating and detecting analytes
08/12/2010US20100202167 Soft switching power converter with a variable switching frequency for improving operation and efficiency