Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
06/2011
06/01/2011CN201854190U Voltage converter for electric vehicle
06/01/2011CN201854189U Switch power for controller of electric bicycle
06/01/2011CN201854188U Simple and efficient DC/DC positive and negative forward converter
06/01/2011CN201854187U Voltage-stabilizing loop of isolation flyback switch power supply
06/01/2011CN201854186U Modular DC-DC (Direct Current-Direct Current) converter system and control device thereof
06/01/2011CN201854185U Low-voltage output control circuit
06/01/2011CN201854184U Buck circuit
06/01/2011CN201854183U Control circuit of light load operating mode of UC (umbilical cable) 3863 power supply control chip
06/01/2011CN1379535B Voltage generator circuit and its control method
06/01/2011CN102084584A Method and system for providing maximum power point tracking in an energy generating system
06/01/2011CN102084581A Single inductor multiple output converter
06/01/2011CN102083257A Integrator for providing overshoot protection and light switching mode during non-zero load condition for an led driver circuitry
06/01/2011CN102082513A Multi-channel output switching power supply
06/01/2011CN102082512A Driver for piezoelectric actuator
06/01/2011CN102082511A Fixed frequency control circuit for pulse width modulation and method thereof
06/01/2011CN102082510A Frequency control circuit and method for variable frequency voltage regulator
06/01/2011CN102082509A Frequency control circuit and method for inverter voltage regulator
06/01/2011CN102082508A Power converter control circuit and method
06/01/2011CN102082507A Capacitor charge pump
06/01/2011CN102082506A Clock frequency selection circuit suitable for switching power converter
06/01/2011CN102082505A Booster charge pump and boosting method thereof and mobile terminal
06/01/2011CN102082504A Passive downward clamping circuit
06/01/2011CN102082503A Power supply unit of vehicle-mounted communication equipment and micro control unit (MCU)
06/01/2011CN102082498A Switching control circuit and power supply apparatus
06/01/2011CN102082443A Direct current (DC)-alternating current (AC) converting system and method
06/01/2011CN102081837A Analog input system with intrinsically safe isolation explosion-proof function
06/01/2011CN101412140B Zero-voltage soft switch topological main circuit of arc welding inverter
06/01/2011CN101335490B Multiple-resonant soft switch converter
05/2011
05/31/2011US7953993 Method and apparatus for a zero voltage processor sleep state
05/31/2011US7953369 System and method for inductive power supply control using remote device power requirements
05/31/2011US7953145 Pulse width modulation signal generating circuit
05/31/2011US7952900 H-bridge buck-boost converter
05/31/2011US7952898 Forward converter transformer saturation prevention
05/31/2011US7952895 Method and apparatus for implementing an unregulated dormant mode in a power converter
05/31/2011US7952894 Synchronous rectifier control device and a forward synchronous rectifier circuit
05/31/2011US7952893 Integrated control circuit for controlling a switching power supply, switching power supply incorporating the same, and a method of controlling a switching power supply
05/31/2011US7952892 DC converters with constant and variable duty ratio switching
05/31/2011US7952335 Power converter and method for power conversion
05/31/2011US7952300 High efficiency off-line linear power supply
05/26/2011WO2011063315A1 Power supply with ac/dc converter and dc/ac inverter in loop
05/26/2011WO2011061984A1 Power conversion device
05/26/2011WO2011061688A2 Power supplying system
05/26/2011WO2011060812A1 High voltage dcdc converter
05/26/2011WO2011060701A1 Multi-path constant current driving circuit
05/26/2011WO2011039313A3 Method and circuit for a pin power factor correction
05/26/2011WO2011001369A3 Low cost power supply circuit and method
05/26/2011US20110125069 Advanced handable skin care device and operating method thereof
05/26/2011US20110122660 Current mode digital control of the output voltage of a switching power supply
05/26/2011US20110122659 Power transistor driving circuits and methods for switching mode power supplies
05/26/2011US20110122658 Power converter using energy stored in leakage inductance of transformer to power switch controller
05/26/2011US20110122657 Switch with common-mode choke
05/26/2011US20110122656 Power device with isolated varying-frequency pwm control
05/26/2011US20110122655 Power supply with ac/dc converter and dc/ac inverter in loop
05/26/2011US20110122327 Electronic device stand and image display system
05/26/2011US20110121769 Multi-tasking power processor for a vehicle electric system
05/26/2011US20110121661 Power conversion device
05/26/2011US20110121659 Method and apparatus for high efficiency ac/dc conversion of low voltage input
05/26/2011DE112009001695T5 Stromversorgungsvorrichtung A power supply apparatus
05/26/2011DE102010060235A1 Laststeuerschaltung Load control circuit
05/26/2011DE102010022001A1 Schaltungsanordnung und Verfahren zum Bereitstellen einer Spannungsversorgung für eine Treiberschaltung Circuit arrangement and method for providing a power supply for a driving circuit
05/26/2011DE102009052461A1 Wechselrichter-Schaltungsanordnung Inverter circuitry
05/25/2011EP2325996A2 Feeding system for an inductive load from an energy source with variable power
05/25/2011EP2325989A1 Method and apparatus to limit output power in a switching power supply
05/25/2011EP2325988A1 Power supply device and lighting device
05/25/2011EP2325987A2 Automatic current limit adjustment for linear and switching regulators
05/25/2011EP2325986A1 Automatic current limit adjustment for linear and switching regulators
05/25/2011EP2325985A2 Circuit assembly and method for preparing a voltage supply for a driver stage
05/25/2011EP2324564A1 Boost converter and method for operating an electrical load on a boost converter
05/25/2011EP1593014B1 Digital signal processor architecture optimized for controlling switched mode power supply
05/25/2011CN201846421U LED liquid crystal low-temperature starting circuit
05/25/2011CN201846296U Fan driving circuit capable of regulating speed automatically and power supplying circuit
05/25/2011CN201846246U Novel auxiliary reverse power adopting zero current soft switching technology
05/25/2011CN201846245U Intelligent DC/AC inverter
05/25/2011CN201846242U Peak point current control device of switching power supply
05/25/2011CN201846240U Switching power supply adopting primary side control technology
05/25/2011CN201846236U Constant current output controller for switching power supply
05/25/2011CN201846235U Power conversion system
05/25/2011CN201846234U 2W one-way output power module device
05/25/2011CN201846233U Switch level circuit with self-adaptive control of dead time
05/25/2011CN201846232U Synchronous voltage boosting and reducing device
05/25/2011CN201846231U Switch capacitance type DC-DC chip
05/25/2011CN201846226U Slope compensation device of inverter welding power supply with peak current mode
05/25/2011CN201846116U Low-power inductive charging device
05/25/2011CN201846110U Rechargeable battery
05/25/2011CN201846108U Battery charging system and gas stove adopting same
05/25/2011CN1897429B Single pin multi-function signal detection method and structure therefor
05/25/2011CN1855680B Controlling method of switching power supply and product using it
05/25/2011CN102077450A Direct d.c. converter (d.c. chopper)
05/25/2011CN102077449A Voltage converters
05/25/2011CN102077307A Transformer, power converter using the transformer, lighting device, lamp for vehicle, and vehicle
05/25/2011CN102076878A Power source device
05/25/2011CN102076144A Solution to working power supply and power of two-wire-system electronic switch
05/25/2011CN102076138A Electric supply input LED (Light Emitting Diode) constant current driver
05/25/2011CN102075129A Driving circuit for brushless direct current motor
05/25/2011CN102075096A Fault tolerance design-based high-power power electronic transformer
05/25/2011CN102075094A Forward switched capacitor regulator
05/25/2011CN102075093A Automatic high-precision voltage-stabilizing output circuit with wide-range input voltage in wide range
05/25/2011CN102075092A Flyback converter leakage inductance absorption and soft switching control
05/25/2011CN102075091A Power supply device with extremely low harmonic interference
05/25/2011CN102075090A Power supply, power connector combination and data-processing system