Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
08/2012
08/01/2012CN102624238A Switching controller for flyback type power converter and the controller and control circuit thereof
08/01/2012CN102624237A System and method for adjusting dynamic threshold of flybackpower converter
08/01/2012CN102624236A Vehicle high-power DC/DC driving power supply and driving method
08/01/2012CN102624235A DC (Direct Current)/DC conversion circuit
08/01/2012CN102624234A Full-bridge three-port direct current converter and control method thereof
08/01/2012CN102624233A Low-power switching power supply made of time-base circuit
08/01/2012CN102624232A Precharging circuit and method for DC-DC boost converter
08/01/2012CN102624231A Parallel envelope tracking power supply
08/01/2012CN102624230A Adaptive thermal compensation circuit and method
08/01/2012CN102624229A Boosting circuit and integrated circuit
08/01/2012CN102624228A Pulse width modulation (PWM) control direct current-direct current (DC-DC) converter
08/01/2012CN102624227A Current control circuit
08/01/2012CN102624226A Boosting circuit and electronic device with same
08/01/2012CN102624225A Power module and the method of packaging the same
08/01/2012CN102624224A Power supply apparatus and recording apparatus
08/01/2012CN102624223A Drive power circuit and driving method of low-energy-consumption relay
08/01/2012CN102624222A Charge pump and charge pump system
08/01/2012CN102624221A Positive and negative voltage sampling switching circuit and voltage sampling circuit
08/01/2012CN102624220A Switching power circuit, and lighting device for semiconductor light-emitting element and illumination apparatus using same
08/01/2012CN102624219A Power flow regulator including a plurality of DC-DC converters
08/01/2012CN102624218A DC transformer
08/01/2012CN102624217A Interleaving function power supply controller and method therefor
08/01/2012CN102624216A Boosting system and diagnosing method
08/01/2012CN102624211A Pre-bias starting circuit of direct current-direct current (DC-DC) converter and control method
08/01/2012CN102624209A Voltage-reduction-type converter control device
08/01/2012CN102624206A Self-adaptive continuous-flow control method and device for pseudo continuous conductive mode switch converter
08/01/2012CN102624024A Micro-power consumption clean energy storage system
08/01/2012CN101969269B Analog storage battery direct-current power supply
08/01/2012CN101697093B Wireless local area network card power management circuit and wireless internet access terminal with circuit
08/01/2012CN101527462B Digital control device of converter
08/01/2012CN101345478B Power supply controller and method therefor
08/01/2012CN101197533B Charge pump circuit and method therefor
07/2012
07/31/2012US8233293 Reverse current protection for power converters having synchronous rectifiers
07/31/2012US8233292 Controllers, systems and methods for controlling power of light sources
07/31/2012US8233291 Single stage AC to DC conversion device with compact configuration
07/31/2012US8232936 Electronic circuit, method of driving the same, electro-optical device, and electronic apparatus
07/31/2012US8232833 Charge pump systems and methods
07/31/2012US8232792 System and method for controlling the output voltage of a power supply
07/26/2012WO2012098782A1 Power supply apparatus
07/26/2012WO2012098632A1 Switching power supply device
07/26/2012WO2012098593A1 Inductive load drive device
07/26/2012WO2012098201A1 Resonant power converter
07/26/2012WO2012097745A1 Power supply circuit for power amplifier and terminal thereof
07/26/2012WO2012075225A3 User-configurable, efficiency-optimizing, calibrated sensorless power/energy conversion switch-mode power supply with a serial communications interface
07/26/2012WO2012075189A3 Photovoltaic array systems, methods, and devices with bidirectional converter
07/26/2012WO2012072732A3 Resonant power supply with an integrated inductor
07/26/2012WO2012041888A3 Electric converter for mobile application
07/26/2012WO2012001627A3 Voltage converter
07/26/2012US20120188802 Switch Controller, Switch Control Method, Converter Using the Same, and Driving Method Thereof
07/26/2012US20120188801 Flyback power supply system
07/26/2012US20120188800 Asymmetric switch forward converter
07/26/2012US20120188799 Method and apparatus for increasing the power capability of a power supply
07/26/2012US20120188798 Switching power source and image forming apparatus having switching power source
07/26/2012US20120188797 Switching power source apparatus
07/26/2012US20120188796 Power coupling system and method
07/26/2012US20120188795 Apparatus and System for Transformer Frequency Control
07/26/2012US20120188794 Adaptive bleeder circuit
07/26/2012US20120187869 Power supply device
07/26/2012US20120187774 Device and method for the monitoring and balancing of a multi-cell energy storage stack
07/26/2012DE102012200466A1 Antrieb für elektrofahrzeug Drive for electric vehicle
07/26/2012DE102012100494A1 Method for operating direct current/direct converter stage that is utilized in inverter, involves changing frequency between different selections of converters of converter stage such that thermal cyclic loading of converters is minimized
07/26/2012DE102011009048A1 Spannungswandler zum Betreiben zumindest eines digitalen Schalters Voltage converter for operating at least one digital switch
07/26/2012CA2824892A1 Resonant power converter
07/25/2012EP2480049A2 Power supply device for light sources
07/25/2012EP2479879A1 Resonat power converter
07/25/2012EP2479878A1 Method for regulating a step-up/step-down converter
07/25/2012EP2478629A1 Operating device for luminous elements
07/25/2012EP2478628A1 An adaptive analog compensator for a power supply
07/25/2012EP1947752B1 Charge storing device using capacitors and its control method
07/25/2012CN202353859U Controllable silicon light regulation device and illuminating system
07/25/2012CN202353491U Isolation inversion topological circuit
07/25/2012CN202353484U Zero-power standby power source
07/25/2012CN202353479U Stabilized power device for automatic instrument
07/25/2012CN202353474U Voltage transformation circuit for normal shock design in fly-back topology
07/25/2012CN202353473U Combined type converter
07/25/2012CN202353472U Novel no-load control circuit
07/25/2012CN202353471U Single-ended flyback high-frequency stable-voltage switching power supply
07/25/2012CN202353470U Constant-current power supply device
07/25/2012CN202353469U Bidirectional DC (Direct Current)/DC converter
07/25/2012CN202353468U DC-DC (direct current to direct current) boost switching power supply circuit
07/25/2012CN202353467U High-gain converter with single switch tube based on coupling inductance voltage-multiplying unit
07/25/2012CN202353466U Control circuit for series-connection topology of transformers
07/25/2012CN202353465U Current converging type power supply device
07/25/2012CN202353464U Three-level boost soft switching converter circuit
07/25/2012CN202353463U Power supply circuit for intelligent electric energy meter
07/25/2012CN202353462U Voltage conversion circuit
07/25/2012CN202353461U Automatic voltage adjusting device
07/25/2012CN202353460U Controllable voltage-stabilizing steady flow bipolarity current source
07/25/2012CN202353459U Universal environment-friendly adapter
07/25/2012CN202353458U Power circuit for inter range instrumentation group-B (IRIG-B)-code-based real-time clock display system
07/25/2012CN202353457U Protection circuit for suppressing power-supply voltage dip
07/25/2012CN202353283U Universal combined solar charger
07/25/2012CN1870406B Secondary side controller and method therefor
07/25/2012CN1374741B Electric energy converter and control method thereof
07/25/2012CN102611401A Amplifier system for a power converter
07/25/2012CN102611335A Switching power source and image forming apparatus having switching power source
07/25/2012CN102611333A Controller of power converter and control method of power converter
07/25/2012CN102611329A High frequency inversion rectifying device for three-phase high-power low voltage and large current and method thereof
07/25/2012CN102611328A Low-power consumption isolation-free DC power supply
07/25/2012CN102611319A Non-symmetrical bidirectional direct-current converter