Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
11/2013
11/27/2013CN103414322A Control circuit, switch converter and control method of switch converter
11/27/2013CN103414259A Current-mode IPT system efficiency optimizing control circuit and method
11/27/2013CN102386779B Switching power supply
11/27/2013CN102368662B Current reference generation circuit, constant current switch power supply control circuit and control method thereof
11/27/2013CN102231596B Micropower consumption direct-current voltage stabilizer
11/27/2013CN102208872B Forward DC (direct current) converters sharing RCD (resistor-capacitor diode) magnetic reset branch circuit
11/27/2013CN102195459B Active snubber circuit and power supply circuit
11/27/2013CN102170232B Self-driven active buffer and flyback switching mode power supply
11/27/2013CN102097949B Switching power supply and controlling method thereof
11/27/2013CN101911285B Semiconductor device and manufacturing method thereof
11/27/2013CN101743683B Power factor correction (PFC) controller and method using finite state machine to adjust duty cycle of PWM control signal
11/26/2013US8593843 Electric power conversion device capable of suppressing electric oscillations
11/26/2013US8593841 Compensation circuit for constant current regulation of power supply and method thereof
11/26/2013US8593840 Boosting circuit and RFID tag including boosting circuit
11/26/2013US8593836 Power converter using soft switching method for zero current switching at turn on and zero voltage switching at turn off
11/26/2013US8593835 Duty balancing oscillator
11/26/2013US8593834 DC converter with independently controlled outputs
11/26/2013US8593833 Method and apparatus for a flyback power converter providing output voltage and current regulation without input capacitor
11/26/2013US8593832 Apparatus and method for sensing of isolated output
11/26/2013US8593831 Method for controlling a series resonant DC/DC converter
11/26/2013US8593830 Reverse current limit protection for active clamp converters
11/26/2013US8593254 Semiconductor integrated circuit, card comprising the same, and operating method of semiconductor integrated circuit
11/26/2013US8593116 Switched-mode power supply including switch protection circuit
11/26/2013US8591437 Advanced handable skin care device and operating method thereof
11/25/2013DE202009018846U1 Schaltungsanordnung mit einem Hochsetzsteller und Wechselrichterschaltung mit einer solchen Schaltungsanordnung Circuitry with a boost converter and inverter circuit with a circuit arrangement
11/21/2013WO2013173160A2 Switched mode power converter for high voltage applications
11/21/2013WO2013173075A1 Power converter and method
11/21/2013WO2013171924A1 Multichannel dc-dc converter
11/21/2013WO2013171900A1 Power supply device
11/21/2013WO2013171899A1 Inverter device
11/21/2013WO2013170899A1 A battery energy storage, battery energy storage system, method, computer program and computer program product
11/21/2013WO2013170808A1 Power source and power source voltage regulating method
11/21/2013WO2013170658A1 Flyback circuit and method for reducing leakage inductance incurred loss of transformer with flyback circuit
11/21/2013WO2013079300A3 Clocking method of a series resonant dc/dc converter of a multi-point medium-frequency feeding converter of a traction converter
11/21/2013WO2013029827A3 Converter circuit and method for transferring electrical energy
11/21/2013WO2013004542A3 Actuation circuit and method for actuating the input switching stage of a transformer circuit
11/21/2013US20130308350 Systems and methods for constant voltage mode and constant current mode in flyback power converters with primary-side sensing and regulation
11/21/2013US20130308349 Switching regulator, the control circuit and the method thereof
11/21/2013US20130308348 Converter
11/21/2013US20130308347 Resonant switching power supply device
11/21/2013US20130308345 Variable Duty Cycle Switching With Imposed Delay
11/21/2013US20130308344 Power converter and method
11/21/2013US20130308061 Switching Power Supply Device
11/21/2013US20130307917 Power supply apparatus and image forming apparatus
11/21/2013US20130307616 Snubber for a direct current (dc)-dc converter
11/21/2013US20130307511 Hysteretic current mode controller for a bidirectional converter with lossless inductor current sensing
11/21/2013US20130307510 Method for converting a high voltage level to a low voltage level
11/21/2013US20130307508 Method for Regulating a Buck/Boost Converter
11/21/2013US20130307507 Method and apparatus for zero current detection
11/21/2013US20130307497 Switching power supply device
11/21/2013US20130307496 Semiconductor device and driving method thereof
11/21/2013US20130307436 Method for improving operation lifetime of capacitor, capacitor control circuit structure and use thereof
11/21/2013US20130307339 Optimized control of a power converter in response to load conditions
11/21/2013US20130307332 Power supply device
11/21/2013DE102013208894A1 Digitaler Ereignisgenerator, Komparator, Schaltenergiewandler und Verfahren Digital event generator, comparator, switching power converter and method
11/21/2013DE102013208757A1 Gleichspannungswandler zur einhüllendenverfolgung DC voltage converter for einhüllendenverfolgung
11/21/2013DE102007057239B4 Schaltungsanordnung insbesondere für DC/DC-Wandler und Verfahren zur Steuerung eines solchen A circuit arrangement in particular for DC / DC converter, and method for controlling such a
11/20/2013EP2665172A1 Soft-switching
11/20/2013EP2665171A1 Charge pump circuit and method for generating a supply voltage
11/20/2013EP2664053A2 Method and apparatus for providing uninterruptible power
11/20/2013EP1553686B1 High voltage DC power supply and method of operating such high voltage DC power supply
11/20/2013CN203301805U Multichannel power supply system with constant current and constant voltage output
11/20/2013CN203301395U Bus-type voltage-stabilized power supply device
11/20/2013CN203301387U Large-power high-frequency and high-voltage power supply
11/20/2013CN203301378U Voltage converting circuit
11/20/2013CN203301377U Power supply controller
11/20/2013CN203301376U Vehicle direct current transition assembly
11/20/2013CN203301375U Hierarchical thought-based fuzzy PI double loop-controlled direct-current boost circuit
11/20/2013CN203301374U Switching power supply and switching power supply controller for realizing constant output current
11/20/2013CN203301373U Switching power supply and switching power supply controller for realizing constant output current
11/20/2013CN203301372U Boost converter
11/20/2013CN203301371U Power supply management circuit and set top box
11/20/2013CN203301370U Electric bicycle converter
11/20/2013CN203301369U Electronic device and apparatus for converting power for mobile device
11/20/2013CN203301368U Voltage-reduction-type switch power supply and control circuit thereof
11/20/2013CN203301367U FPGA on-chip SRAM power supply
11/20/2013CN203301366U A novel double-input SEPICDC-DC converter using wind and light complementation
11/20/2013CN203301365U Bootstrap-type pre-charge self-discharge circuit of controller
11/20/2013CN203301364U Charge pump circuit with low-saturation voltage and current-limit switch
11/20/2013CN203301363U Boosting heavy current switching regulator
11/20/2013CN203301362U High-efficiency, large-power and adjustable stabilized power supply
11/20/2013CN203301361U Intelligent current and voltage isolated transmitter for photovoltaic grid-connected inverter
11/20/2013CN203301360U High conversion efficiency boost control integration circuit with PWM overcurrent control
11/20/2013CN203301359U Active PFC circuit
11/20/2013CN203301217U Uninterrupted power supply (UPS) providing dc and ac output
11/20/2013CN1832312B Voltage control circuit and method for supplying an electrical component with a supply voltage
11/20/2013CN103404013A Controlling a switched mode power supply with maximised power efficiency
11/20/2013CN103404012A Control for switching between PWM and PFM operation in buck converter
11/20/2013CN103404011A Power conversion device and refrigeration/ac system
11/20/2013CN103402293A High brightness LED flashlight adopting single battery
11/20/2013CN103402284A Drive unit, smoothing circuit, and DC/DC converter
11/20/2013CN103401499A Disc-type coreless permanent-magnet synchronous motor controller based on current inverter and method
11/20/2013CN103401468A Plasma arc starting circuit
11/20/2013CN103401466A Inversion power supply system
11/20/2013CN103401465A Wide range voltage adjustable buck-boost single-stage inverter circuit device
11/20/2013CN103401463A Miniature photovoltaic grid-connected inverter with optimized DC (Direct Current) bus capacitor and control method
11/20/2013CN103401458A Three-level resonance converter of high-frequency and high-voltage generator
11/20/2013CN103401449A High-power digital power amplification output circuit
11/20/2013CN103401442A Output constant current-based digital controller of AC-DC (alternating current-direct current) isolated converter
11/20/2013CN103401440A Power supply circuit of prepayment electricity meter dedicated circuit breaker
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