| Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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| 12/26/2012 | CN102843029A Direct current-direct current voltage boost circuit |
| 12/26/2012 | CN102843028A Dc电源系统 Dc Power System |
| 12/26/2012 | CN102843027A Modular direct current power conversion system and direct current power conversion modules thereof |
| 12/26/2012 | CN102843021A Peak suppression circuit and multiphase booster circuit with same |
| 12/26/2012 | CN102097943B Dual-input direct-current (DC) converter |
| 12/26/2012 | CN102097941B Dual PWM (pulse width modulation) integrated gate commutated thyristor three-level power cabinet |
| 12/26/2012 | CN102064683B Wide voltage input and invariable voltage output power supply module |
| 12/26/2012 | CN102035555B Analog digital converter, conversion method and digital power supply controller adopting analog digital converter |
| 12/26/2012 | CN102035382B Single-magnetic core three-port direct current (DC) converters |
| 12/26/2012 | CN102025272B Discharging circuit |
| 12/26/2012 | CN101958650B Quasi-resonance control device and method and switching regulator and method |
| 12/26/2012 | CN101902135B Three-phase four-wire switching power supply with high zero-line judgment efficiency |
| 12/26/2012 | CN101783595B Overpower compensating method and device for wide voltage-input flyback power supply |
| 12/26/2012 | CN101765290B High-voltage generator used for X-ray machine and control method thereof |
| 12/26/2012 | CN101764519B Charge pump circuit |
| 12/26/2012 | CN101753049B Power supply apparatus and image forming apparatus |
| 12/26/2012 | CN101689804B Electric vehicle, and method for cooling vehicular dc/dc-converter |
| 12/26/2012 | CN101546914B Charger control circuit and charger control method |
| 12/26/2012 | CN101355300B Charge pump circuit, and control circuit and control method thereof |
| 12/26/2012 | CN101330254B 行频率开关调整器 Line frequency switching regulator |
| 12/26/2012 | CN101233467B Dc-dc converter with switchable estimators |
| 12/26/2012 | CN101174790B Compensated switching power supply controller and method therefor |
| 12/25/2012 | US8339903 Dual illumination watch face, and associated methods |
| 12/25/2012 | US8339822 Method and device for operating a transformer |
| 12/25/2012 | US8339819 Booster circuit and display device |
| 12/25/2012 | US8339817 Method of operating a resonant power converter and a controller therefor |
| 12/25/2012 | US8339816 Semiconductor device and switching power supply apparatus |
| 12/25/2012 | US8339815 Frequency modulation controller, switch mode power supply including the same, and switching operation frequency modulation method |
| 12/25/2012 | US8339814 Method and system for efficient power control with multiple modes |
| 12/25/2012 | US8339813 Burst mode resonant power converter with high conversion efficiency |
| 12/25/2012 | US8339812 Resonant power converter with current doubler rectifier and related method |
| 12/25/2012 | US8339811 Apparatus and method for detecting a change in output voltage of an isolated power converter |
| 12/25/2012 | US8339810 Wide input voltage power supply |
| 12/25/2012 | US8339809 Switching power supply device |
| 12/25/2012 | US8339808 Switching power supply unit |
| 12/25/2012 | US8339187 Charge pump systems and methods |
| 12/25/2012 | US8339185 Charge pump system that dynamically selects number of active stages |
| 12/25/2012 | US8339184 Gate voltage boosting element for charge pump |
| 12/25/2012 | US8339173 Enable pin using programmable hysteresis improvement |
| 12/25/2012 | US8339119 Output voltage adjustment circuit for buck circuits |
| 12/25/2012 | US8339110 Single stage hybrid charge pump |
| 12/25/2012 | US8339102 System and method for regulating loading on an integrated circuit power supply |
| 12/20/2012 | WO2012173707A2 Methods and apparatus for constant power/current control for switch-mode power converters |
| 12/20/2012 | WO2012172459A1 Dc- dc driver device having input and output filters, for driving a load, in particular an led unit |
| 12/20/2012 | WO2012172007A1 A two mode power converter for audio amplifiers |
| 12/20/2012 | WO2012171227A1 Self excitation synchronous rectification boost converter |
| 12/20/2012 | WO2012171226A1 Self-exciting synchronous rectifying boost converter with high boost ratio |
| 12/20/2012 | WO2012113764A3 Low ripple step-up/step-down converter |
| 12/20/2012 | WO2012101234A3 Switched dc/dc boost power stage with linear control-to-output conversion ratio, based on a ramp-modulated pwm generator |
| 12/20/2012 | WO2012089973A3 Module for converting voltage between a high-voltage electrical network of an aircraft and an energy storage element |
| 12/20/2012 | US20120320640 Method and apparatus for programming a power converter controller with an external programming terminal having multiple functions |
| 12/20/2012 | US20120320639 Method and apparatus to select a parameter/mode based on a measurement during an initialization period |
| 12/20/2012 | US20120320638 Resonant circuit and resonant dc/dc converter |
| 12/20/2012 | US20120320637 Switching power source apparatus |
| 12/20/2012 | US20120320636 Switching power supply apparatus |
| 12/20/2012 | US20120320635 Maximize efficiency method for resonant converter with self-adjusting switching points |
| 12/20/2012 | US20120320634 Method and apparatus for a control circuit with multiple operating modes |
| 12/20/2012 | US20120320633 Variable frequency pwm synchronous rectifier power supply |
| 12/20/2012 | US20120320632 Power switch controllers and methods used therein for improving conversion effeciency of power converters |
| 12/20/2012 | US20120319744 Method and apparatus for simplifying the control of a switch |
| 12/20/2012 | DE102011104441A1 Schaltnetzteil, Betriebsverfahren und Verwendung eines Schaltnetzteils in einem Computer Switching power supply, operating procedures and use of a switching power supply in a computer |
| 12/20/2012 | DE102011077716A1 Ladevorrichtung und Verfahren zum Laden eines elektrischen Energiespeichers Loading device and method for charging an electrical energy accumulator |
| 12/19/2012 | EP2536015A2 Power supply circuit |
| 12/19/2012 | EP2536014A1 A two mode converter for audio amplifiers |
| 12/19/2012 | EP2536013A2 A cascade boost and inverting buck converter with independent control |
| 12/19/2012 | EP2536012A2 Inverter and switching circuit |
| 12/19/2012 | EP2534746A2 Driver circuit for driving a load circuit |
| 12/19/2012 | CN202617445U Large-power constant current power supply for LED lamp |
| 12/19/2012 | CN202617031U Single-stage photovoltaic inverter |
| 12/19/2012 | CN202617021U Low-power-consumption voltage-stabilizing power source based on three-terminal-adjustable integrated voltage stabilizer |
| 12/19/2012 | CN202617020U Peak control device |
| 12/19/2012 | CN202617009U Big power three-phase triple direct current chopper device |
| 12/19/2012 | CN202617008U Frequency modulation control circuit realized by using SG3525 chip |
| 12/19/2012 | CN202617007U Frequency modulation control circuit realized by using UC3846 chip |
| 12/19/2012 | CN202617006U Green energy-saving novel AC-DC switch power supply |
| 12/19/2012 | CN202617005U Power supply device for light high-strength metal material surface treatment |
| 12/19/2012 | CN202617004U Isolation type bidirectional DC/DC converter |
| 12/19/2012 | CN202617003U BJT type self-excited Boost converter with small driving loss of main switching tube |
| 12/19/2012 | CN202617002U Feedback BJT type self-excited Boost converter |
| 12/19/2012 | CN202617001U Voltage-reducing type switching power supply and control circuit thereof |
| 12/19/2012 | CN202617000U Step-up and step-down type conversion circuit capable of identifying in-phase control voltage |
| 12/19/2012 | CN202616999U Circuit configuration for realizing synchronous step-down charging and step-up power supply by using single inductor |
| 12/19/2012 | CN202616998U Negative voltage generating circuit |
| 12/19/2012 | CN202616997U BOOST circuit |
| 12/19/2012 | CN202616996U A control circuit of a switching mode regulator |
| 12/19/2012 | CN202616995U Charge pump and liquid crystal display driving chip |
| 12/19/2012 | CN202616994U Voltage stabilizing circuit |
| 12/19/2012 | CN202616993U DC converting device for pure electric vehicle |
| 12/19/2012 | CN202616983U Voltage converting device |
| 12/19/2012 | CN202616886U Voltage boosting energy storage circuit with overvoltage protection function |
| 12/19/2012 | CN102835012A 功率变换器 Power converter |
| 12/19/2012 | CN102835011A Method and system for controlling resonant converters used in solar inverters |
| 12/19/2012 | CN102835010A Switching power source circuit |
| 12/19/2012 | CN102834998A Power management DC-DC converter and method for induction energy harvester |
| 12/19/2012 | CN102832842A Novel three-phase photovoltaic grid-connected inverter system |
| 12/19/2012 | CN102832838A Isolated single-level double-Sepic inverter based on magnetic integration |
| 12/19/2012 | CN102832830A DSP (digital signal processor)-based direct-current charging power source system for electric vehicle |
| 12/19/2012 | CN102832829A Multiplexed output power adapter |
| 12/19/2012 | CN102832828A Magnetic combined three-phase input AC (Alternating Current)/DC (Direct Current) full-bridge high frequency converter |
| 12/19/2012 | CN102832823A Self-excitation type high-frequency transformer switch voltage stabilizing power source |