Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
10/2012
10/03/2012CN102710148A Alternating current-direct current (AC-DC) switching power supply converter
10/03/2012CN102710140A Self-excited switching power supply circuit
10/03/2012CN102710139A Full-bridge three-port bidirectional direct-current converter and control method thereof
10/03/2012CN102710138A Harmonic direct current converter with wide range and low ZVS (zero-voltage-switching) output
10/03/2012CN102710137A Low power switch power supply with high power factor and low current ripple
10/03/2012CN102710136A Internal power supply circuit for wide-range power input
10/03/2012CN102710135A Current equalization circuit for multi-module shunt-wound power supply
10/03/2012CN102710134A Modular power supply device with reverse prevention function and reverse-prevention control circuit
10/03/2012CN102710133A Seven-level circuit, a grid-connected inverter and modulation method and device of seven-level circuit
10/03/2012CN102710132A Feedback type bipolar junction transistor (BJT) self-exciting Boost converter
10/03/2012CN102710131A Converter and driving method thereof and power factor correcting device comprising converter
10/03/2012CN102710130A High precision AC/DC (alternating current/direct current) converter current-limit circuit
10/03/2012CN102710129A High-precision DC/DC converter current limiting circuit
10/03/2012CN102710128A Voltage converters with reduced output frequency variations and associated methods
10/03/2012CN102710127A Single-inductance double-output power converter and driving method thereof
10/03/2012CN102710126A High-gain type step-up direct current converter
10/03/2012CN102710125A Switching power supply device and lighting apparatus
10/03/2012CN102710124A Charge pump circuit
10/03/2012CN102710123A High-efficiency low-power consumption pulse energy conversion module
10/03/2012CN102710122A Positive high-voltage charge pump
10/03/2012CN102710121A Non-isolation type switching electric capacity adjuster for soft switch
10/03/2012CN102710120A Power converter for electric vehicle
10/03/2012CN102710119A Differential sensing for voltage control in a power supply circuit
10/03/2012CN102710028A Cable theft-proof monitoring system based on passive carrier communication
10/03/2012CN102709994A Charge-discharge two-way power converter for battery for electric car
10/03/2012CN102709896A Clamping protection circuit, resonance circuit and converter
10/03/2012CN102708740A Manual input ocular demonstration bridge chopping and inverting experimental circuit
10/03/2012CN102707107A Portable adjustable direct current voltage source for test of frequency changer
10/03/2012CN102700484A Power supply unit and car electronic control unit in car electronic control system
10/03/2012CN102075089B Power converter with digital calibration function
10/03/2012CN102052206B Energy saver of automobile engine
10/03/2012CN101989811B Rectifier circuit, label circuit and chip for high-frequency radio frequency identification device (RFID) label
10/03/2012CN101917120B Device for controlling high precision peak inductive current of switch power supply
10/03/2012CN101895195B Ultrahigh pressure signal interface circuit
10/03/2012CN101888178B Charge pump circuit used for reducing current mismatch at extra-low voltage in phase-locked loop
10/03/2012CN101860204B Direct current/ direct current converter and direct current/ direct current converting method
10/03/2012CN101855817B Switcing power supply, control circuit controlling switching power supply and control method of switching power supply
10/03/2012CN101795068B Switch type regulator and control method thereof
10/03/2012CN101753011B Behavioral scaling model of charge pump circuit suitable for spice scaling emulation
10/03/2012CN101741250B Pulse width modulation control circuit reducing electromagnetic interference by frequency modulation of commercial power and method thereof
10/03/2012CN101667019B Control method and circuit of double-module modulation and mode smooth conversion switching power supply
10/03/2012CN101656477B Dc-dc converter and controller of the dc-dc converter
10/03/2012CN101521470B Power supply method and power supply system for rubber-tyred container gantry crane
10/03/2012CN101499725B Modulator with linear period stretching capability
10/03/2012CN101447760B Voltage controller of wind generating set
10/03/2012CN101385397B Circuit arrangement for providing an operating DC voltage
10/03/2012CN101114797B Constant voltage supply circuit
10/03/2012CN101064474B Control circuit of power supply switch
10/02/2012US8279646 Coordinated power sequencing to limit inrush currents and ensure optimum filtering
10/02/2012US8279638 Output regulation circuit of a power converter without current sensing loss and method thereof
10/02/2012US8279637 Generating drive signals for a synchronous rectification switch of a flyback converter
10/02/2012US8279636 Flyback converter with forward converter reset clamp
10/02/2012US8279635 Driving circuit
10/02/2012US8279634 Circuit and method for predicting a valley timing for a voltage across a switching device
10/02/2012US8279633 Parallel-connected resonant converter circuit and controlling method thereof
10/02/2012US8279632 Apparatus for transfer of electrical energy
10/02/2012US8279631 Limiting primary peak charge to control output current of a flyback converter
10/02/2012US8279630 Continuous conduction mode power factor correction circuit with reduced sensing requirements
10/02/2012US8279629 Switching power supply
10/02/2012US8279628 Audible noise suppression in a resonant switching power converter
10/02/2012US8279627 Method and apparatus for a control circuit with multiple operating modes
10/02/2012US8278972 Method and apparatus for simplifying the control of a switch
10/02/2012CA2526713C Frequency controlled resonant converter
09/2012
09/28/2012CA2772274A1 Circuits for dc energy stores
09/27/2012WO2012129485A2 Integrated magnetics with isolated drive circuit
09/27/2012WO2012129337A1 Apparatus and method for efficient dc-to-dc conversion through wide voltage swings
09/27/2012WO2012128937A1 System and method for providing positive and negative voltages from a single inductor
09/27/2012WO2012128441A1 Power supply apparatus for rapid charging
09/27/2012WO2012127926A1 Power supply circuit
09/27/2012WO2012127844A1 Switching power source control circuit for driving light-emitting element, and light-emitting device and electronic apparatus using same
09/27/2012WO2012127317A1 Tabless roll capacitor and capacitor stack
09/27/2012WO2012126407A2 Single service board and method for controlling power supply thereof
09/27/2012WO2012041613A3 A bi-directional dc-dc converter and a system for starting and controlling a power plant
09/27/2012US20120243272 Constant current power supply apparatus
09/27/2012US20120243271 Power Converter with Reduced Power Dissipation
09/27/2012US20120243270 Flyback dc-dc converter with feedback control
09/27/2012US20120243269 Circuits and Methods for Controlling Power Converters Including Transformers
09/27/2012US20120243268 Transformers and Methods For Constructing Transformers
09/27/2012US20120243267 Apparatus and method for efficient dc-to-dc conversion through wide voltage swings
09/27/2012US20120243266 Method and apparatus for high-side input winding regulation
09/27/2012US20120243265 Control device for dc/dc converter
09/27/2012US20120243264 Power Supply Device
09/27/2012US20120243263 Dc-dc converter circuit
09/27/2012US20120243262 Power supply system
09/27/2012DE112009004843T5 Leistungsversorgungssystem Power supply system
09/26/2012EP2503685A1 Supply Architecture for Inductive Loads
09/26/2012EP2502337A2 Power supplying system
09/26/2012EP2408097A9 Current-fed converter
09/26/2012CN202455283U Compound electronic filtering stabilized-voltage power supply
09/26/2012CN202455282U Multi-output power supply with auxiliary output voltage stabilizing circuit
09/26/2012CN202455281U Constant-power output power supply device for measuring and controlling front-end power
09/26/2012CN202455274U Novel high-power direct current communication power supply
09/26/2012CN202455273U Digital two-way direct current/direct current converter used for electric drive vehicles
09/26/2012CN202455272U Power supply circuit with over-current protection
09/26/2012CN202455271U Secondary-side circuit of DC-DC converter
09/26/2012CN202455270U Control equipment and circuit integrated in silicon chip
09/26/2012CN202455269U Switch power supply with standby switching circuit
09/26/2012CN202455268U Small-power switch power supply manufactured by using NE555
09/26/2012CN202455267U 电源电路 The power supply circuit
09/26/2012CN202455266U Buck-Boost voltage-regulating voltage balance converter