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)
05/2012
05/09/2012CN1941579B Charge-pump circuit
05/09/2012CN102449895A Determining output voltage or current in an SMPS
05/09/2012CN102449894A System, method and apparatus to transition between pulse-width modulation and pulse-frequency modulation in a switch mode power supply
05/09/2012CN102449893A Converter control device
05/09/2012CN102449892A Control device for a voltage converter and vehicles equipped with same, and a voltage converter control method
05/09/2012CN102449891A Converter control device and electric vehicle using the same
05/09/2012CN102449890A Apparatus for adaptively reducing electromagnetic wave
05/09/2012CN102447427A Photovoltaic power systems
05/09/2012CN102447413A Inverter and driving method thereof
05/09/2012CN102447407A System and method for converting an AC input voltage to a regulated output current
05/09/2012CN102447406A Alternating current (AC)/direct current (DC) converter
05/09/2012CN102447405A LED (light-emitting diode) lamp switch power supply circuit and control method
05/09/2012CN102447404A Three-phase alternating-current (AC)-direct-current (DC) full-bridge high-frequency converter
05/09/2012CN102447402A Controller with punctuated switching control circuit
05/09/2012CN102447397A Power supply device
05/09/2012CN102447396A Transformer with high set-up ratio, solar inverter and solar battery system
05/09/2012CN102447395A Multi-level balanced circuit and achievement method thereof
05/09/2012CN102447394A Flyback converter with an adaptively controlled rectifier arrangement
05/09/2012CN102447393A Regulated power supply system with high input voltage dynamics
05/09/2012CN102447392A Current control circuit
05/09/2012CN102447391A Voltage anode and cathode switching circuit
05/09/2012CN102447390A Multiphase control system and control units
05/09/2012CN102447389A Two-wire transmitter
05/09/2012CN102447388A Power supply device
05/09/2012CN102447387A Power supply controller, electronic device, and method for controlling power supply
05/09/2012CN102447386A Systems and methods for controlling inductive energy in DC-DC converters
05/09/2012CN102447385A Power supply apparatus
05/09/2012CN102447384A Converters and inverters for photovoltaic power systems
05/09/2012CN102447383A Semiconductor component of integration converter and packaging structure thereof
05/09/2012CN102447287A Current control circuit
05/09/2012CN102447253A Direct current switching power supply parallel system current sharing control method and control device
05/09/2012CN101814832B Improved pulse sequence control method of switch power supply and device thereof
05/09/2012CN101741258B Isolative current regulation type direct current-direct current converter
05/09/2012CN101741257B Control system for restraining common-mode voltage of dual stage matrix converter
05/09/2012CN101685699B DC-DC converter for fuel cell application using hybrid inductor core material
05/09/2012CN101674013B Switching voltage reduction power supply with improved mode conversion efficiency and control method
05/09/2012CN101436828B Power factor improving circuit
05/09/2012CN101425752B Control circuit capable of adjusting leading edge blanking time and power supply switching-over system
05/09/2012CN101356718B Comparator type DC-DC converter
05/09/2012CN101326705B Rectifying circuit, and three-phase rectifying circuit
05/09/2012CN101248574B Linear transconductor for a one-cycle controller, notably for a DC-DC switching converter
05/09/2012CN101170279B Dual-bridge DC-DC converter and its control method
05/08/2012US8174852 Asymmetric switch forward converter
05/08/2012US8174851 Method for operating a resonant power converter
05/08/2012US8174850 Method and circuit for avoiding hard switching in half bridge converters
05/08/2012US8174243 Power supply controller and method therefor
05/03/2012WO2012057730A1 Power converter
05/03/2012WO2012056823A1 Power supply circuit for vehicle
05/03/2012WO2012056719A1 Converter
05/03/2012WO2012056501A1 Step-down chopper device
05/03/2012WO2012056283A1 Power supply device
05/03/2012WO2012055869A2 Series resonant dc/dc converter
05/03/2012WO2012055862A2 Method for controlling a series resonant dc/dc converter
05/03/2012WO2012055772A1 Multilevel direct current/alternating current (dc/ac) converter for producing an output voltage of varying amplitude
05/03/2012WO2012030824A3 Dc-dc converter
05/03/2012WO2012026731A3 Resonance power transmission system based on power transmission efficiency
05/03/2012WO2011112821A3 Digital device with boot strap circuit stimulator
05/03/2012US20120106209 Method for generating a current limit signal for a power converter without sensing an input voltage of the power converter
05/03/2012US20120106208 Semiconductor control device for a switching regulator and a switching regulator using the semiconductor control device
05/03/2012US20120106207 Resonant transformer and resonant converter employing same
05/03/2012US20120106206 Power supply with single stage converter for performing power factor correction and resonant conversion
05/03/2012US20120106205 Power supply with open-loop protection and short-circuit protection
05/03/2012US20120106204 Converter controlling apparatus and multiphase converter
05/03/2012US20120105028 Power supply with dynamic input current suppression
05/03/2012US20120104968 Power converting controller and light-emitting diode driving circuit
05/03/2012US20120104857 High-voltage power supply module and power supply system
05/03/2012DE112008000362B4 Lasttreibervorrichtung Load device drivers
05/03/2012DE102011016320A1 Switching power supply for e.g. hybrid car, has bus bars for secondary windings of transformer and rectifying circuit, which are constructed in single conductive plate
05/03/2012DE102010043109A1 Circuit device of e.g. lamp, has MOSFET which is actuated by pulse width modulation (PWM) signal and NTC resistor which is established to influence rising and falling edges of PWM signal
05/03/2012DE102010042992A1 Stromversorgungseinrichtung, Verfahren zum Trennen einer Batterie von einer Anschlusseinrichtung und Kraftfahrzeug A power supply device, method for separating a battery from a terminal device and motor vehicle
05/02/2012EP2448372A1 Differential driving circuit for powering a light source
05/02/2012EP2448099A1 Voltage converter
05/02/2012EP2446526A1 Circuit arrangement for operating at least one led
05/02/2012EP2446525A1 Capacitance determination in a switched mode power supply
05/02/2012EP2446524A2 Boundary mode coupled inductor boost power converter
05/02/2012EP2445747A1 Circuit arrangement for power distribution in a motor vehicle
05/02/2012EP2188886B1 Method for regulating a dc-to-dc converter
05/02/2012EP0947048B2 Power modulator
05/02/2012CN202210892U Device for driving constant current source load
05/02/2012CN202210883U Built-in linear driving power supply for LED (light emitting diode) lighting lamp
05/02/2012CN202210757U Switching power supply circuit
05/02/2012CN202210756U DC(Direct Current)/DC conversion device used in solar portable power supply system
05/02/2012CN102440077A Active constant power supply apparatus
05/02/2012CN102439835A Wireless distributed base station power supply system
05/02/2012CN102439833A Control of multi-level supply stage
05/02/2012CN102439832A Block power tube circuit and mtehod for realizing same
05/02/2012CN102438379A LED (Light Emitting Diode) driving power supply
05/02/2012CN102437847A Power converter and differential circuit
05/02/2012CN102437794A Solar photovoltaic maximum power point tracking (MPPT) control system
05/02/2012CN102437759A High-efficiency grid inverter circuit
05/02/2012CN102437748A Power supplier and method for restraining output voltage fluctuation of same
05/02/2012CN102437744A Self current-balancing power supply circuit with multiplexed output
05/02/2012CN102437743A Boost conversion circuit, solar inverter and control method thereof
05/02/2012CN102437742A Vehicle boost switching power supply with high reliability and long life
05/02/2012CN102437741A Double-input direct-current converter using non-isolation type pulse voltage source unit
05/02/2012CN102437740A Primary-side feedback flyback constant-current power supply with input voltage compensation function
05/02/2012CN102437739A Method for reducing difference between voltages of capacitors at primary end of series topology of converter, and control circuit
05/02/2012CN102437738A Power supply system of high voltage direct transformation electrolytic power supply and method for realizing high voltage direct transformation electrolytic power supply
05/02/2012CN102437737A Duty balancing oscilator
05/02/2012CN102437736A Voltage output adjustment method and system of linear power supply chip as well as chip
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