Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
03/2012
03/14/2012CN102377332A Electric energy conversion system
03/14/2012CN102377331A Dc-dc转换器 Dc-dc converters
03/14/2012CN102377209A Charger and discharger for secondary battery
03/14/2012CN102377197A Portable multifunctional power supply device
03/14/2012CN102375464A Control method of power management integrated circuit and power management integrated circuit
03/14/2012CN102375300A Power supply circuit for double-optical-filter switching device
03/14/2012CN102374448A Illumination device
03/14/2012CN102371416A Single-switch energy-saving inverter welding machine and control method
03/14/2012CN101542884B DC converter
03/14/2012CN101087105B DC-DC converter and control for DC-DC converter
03/14/2012CN101040421B Switching regulator control circuit, switching regulator using the circuit, and switching signal generating apparatus
03/13/2012US8134851 Secondary side synchronous rectifier for resonant converter
03/13/2012US8134850 Systems and methods for frequency control of a voltage converter
03/13/2012US8134847 Circuit arrangement and method for converting an alternating voltage into a rectified voltage
03/13/2012US8134352 Switched mode power supply including power supply units and controller
03/13/2012US8134333 Battery and ultracapacitor device and method of use
03/08/2012WO2012030959A2 Switching method for switched-mode power converters employing a bridge topology
03/08/2012WO2012030952A2 Reducing ripple current in a switched-mode power converter employing a bridge topology
03/08/2012WO2012030824A2 Dc-dc converter
03/08/2012WO2012029935A1 Switching power supply circuit provided with protection function
03/08/2012WO2012029101A1 Charging device and charging method for capacitor device
03/08/2012WO2012028558A1 Multiphase converter comprising magnetically coupled phases
03/08/2012WO2012028540A1 Multiphase converter comprising magnetically coupled phases
03/08/2012WO2012028538A1 Multiphase converter comprising magnetically coupled phases
03/08/2012WO2012028189A1 Isolated switched mode power supply
03/08/2012WO2012027789A1 Ac-dc converter with adaptive current supply minimising power consumption
03/08/2012WO2011159453A3 Operating a voltage regulator at a switching frequency selected to reduce spurious signals
03/08/2012WO2011137707A3 Conversion circuit with hysteresis control and power supply system
03/08/2012WO2011101341A3 An adaptive controller for control of a dc-dc power supply
03/08/2012WO2011098435A3 Voltage regulation of a dc/dc converter
03/08/2012WO2011074976A3 Resonant circuit and resonant dc/dc converter
03/08/2012US20120057380 Multilevel inverter
03/08/2012US20120057376 Power supply circuit
03/08/2012US20120057375 Method and apparatus for a flyback power converter providing output voltage and current regulation without input capacitor
03/08/2012US20120057374 Duty adjuster circuit and converter including the same
03/08/2012US20120057373 Boost-Forward-Flyback High Gain Converter
03/08/2012US20120057372 Control arrangement for a resonant mode power converter
03/08/2012DE102010044322A1 Elektrische Energieversorgungsanordnung für Antriebseinrichtungen von Schienenfahrzeugen Electric power supply arrangement for driving means of rail vehicles
03/08/2012DE102010040222A1 Multiphasenwandler Multi-phase converter
03/08/2012DE102010040205A1 Multiphasenwandler Multi-phase converter
03/08/2012DE102010040202A1 Multiphasenwandler Multi-phase converter
03/07/2012EP2426812A2 Active clamp DC-DC converter
03/07/2012EP2426811A1 Switching converter and method for controlling a switching converter
03/07/2012EP2425525A1 Control device for the voltage-absent switching of a switching element of a voltage converter
03/07/2012EP2425524A1 Energy-efficient standby mode in a switching power supply
03/07/2012EP2286508B1 Overvoltage limitation in a chopping converter
03/07/2012EP1402310B1 Apparatus for supplying power and liquid crystal display having the same
03/07/2012CN202160113U 一种直流开关电源 A DC Switching Power Supply
03/07/2012CN202160112U 开关式电源供应装置 Switch mode power supply unit
03/07/2012CN202160111U 一种蓝光dvd与功放开关电源电路 One kind of Blu-ray dvd and amplifier switching power supply circuit
03/07/2012CN202160110U 多相切换式电源供应器以及用于其中的下降讯号产生电路 Multiphase switching power supply and for signal generating circuit which fall
03/07/2012CN202160109U Driver of heating sheets of electric heating functional shoes
03/07/2012CN202160108U Epon系统局端设备电源转换电路 Epon system central office equipment power conversion circuit
03/07/2012CN202160107U 一种电源转换电路及移动终端的供电装置 A power converting apparatus of the power supply circuit and the mobile terminal
03/07/2012CN202160106U 一种列车消防系统供电电源 A train fire protection system power supply
03/07/2012CN202160000U 带输出控制的移动电源 Mobile power supply with output control
03/07/2012CN102369654A Switching power supply device, integrated circuit, and method for setting operation state of switching power supply device
03/07/2012CN102368667A Offline type AC-DC (Alternating Current-Direct Current) control circuit and converting circuit comprising same
03/07/2012CN102368666A Inverter and auxiliary power supply thereof
03/07/2012CN102368663A Power supply converter with controllable current peak inhibition protection
03/07/2012CN102368662A Current reference generation circuit, constant current switch power supply control circuit and control method thereof
03/07/2012CN102368661A Switching power supply with function of correcting power factor as well as control device and control method thereof
03/07/2012CN101826799B Switching tube complementary resonance drive circuit based on flyback converter type
03/07/2012CN101558544B Power supply system, vehicle using the same, and its control method
03/07/2012CN101552557B Parallel-connected resonance converter circuit and control method thereof
03/07/2012CN101507091B Power supply circuit and power supply system
03/07/2012CN101411048B Switch mode power supply control systems
03/07/2012CN101236175B Programmable power supply system dedicated for chip electrophoresis
03/07/2012CN101042930B Control circuit of power supply unit, power supply unit and control method thereof
03/06/2012US8130586 Semiconductor memory device and method of controlling the same
03/06/2012US8130524 Bi-directional DC to DC power converter having a neutral terminal
03/06/2012US8130517 Forward converter transformer saturation prevention
03/06/2012US8130516 Switching power supply control semiconductor integrated circuit sampling an auxiliary wiring voltage near a point at which a secondary rectifier diode current becomes zero
03/06/2012US8130515 Bi-directional DC-DC converter and method for controlling the same
03/06/2012US8129866 Mass coupling at clocked HF-elements
03/06/2012US8129245 Methods of manufacturing power semiconductor devices with shield and gate contacts
03/06/2012CA2611844C Wide range power supply
03/06/2012CA2506221C Vehicle auxiliary electric-power-supplying system
03/05/2012CA2811183A1 Method for controlling a series resonant dc/dc converter
03/01/2012WO2012027681A2 Open loop dc to dc converters with enable/disable circuits
03/01/2012WO2012026731A2 Resonance power transmission system based on power transmission efficiency
03/01/2012WO2012026337A1 Dc-dc converter and semiconductor device
03/01/2012WO2012026134A1 Power supply apparatus, and power conversion apparatus using same
03/01/2012WO2012025844A1 Methods and apparatus for driving light emitting diodes (leds) comprising parallel flyback converter stages
03/01/2012WO2012025659A1 Up-converter and light provided with same
03/01/2012WO2012025232A2 Dual output charge pump generating two voltage values with two distinctive levels, and method for the same
03/01/2012WO2012025017A1 High efficiency high power density power architecture based on buck-boost regulators with pass-through band
03/01/2012WO2011073095A3 High voltage tolerant inverting charge pump
03/01/2012US20120051099 Power Supply Circuit and Power Conversion Device
03/01/2012US20120051098 Method and apparatus for power converter fault condition detection
03/01/2012US20120051097 Power converter with boost-buck-buck configuration
03/01/2012US20120051096 Open Loop DC to DC Converters With Enable/Disable Circuits
03/01/2012US20120051095 Dc to dc power converters and methods of controlling the same
03/01/2012US20120051094 Isolated DC-DC Converter Including ZVS Full-Bridge And Current Doubler
03/01/2012US20120049624 Power supply system
03/01/2012US20120049337 Semiconductor device
03/01/2012DE202011052202U1 Hauptversorgungsnulldurchgangsdetektion für PFC-Wandler Main supply zero crossing detection for PFC converter
03/01/2012DE102010056332A1 Stromrichter mit einem zwischen Wicklungen gekoppelten Schalter Converter with a switch coupled between windings
02/2012
02/29/2012EP2424331A1 Novel led driver controller
02/29/2012EP2424099A1 Power supply device