Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 3 - Conversion of dc power input into dc power output
Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
12/2010
12/09/2010DE102009023560A1 Voltage supply circuit for flow measuring device, has backup capacitor activated by control electronics during operation of circuit depending on input voltage supplied to circuit for voltage supply to primary coil
12/09/2010DE102009010566A1 Bidirektionaler Gleichstromsteller und System Bi-directional DC-DC converter and system
12/09/2010CA2764309A1 Welding power supply with digital control of duty cycle
12/08/2010EP2259422A1 Starting/generating system with multi-functional circuit breaker
12/08/2010EP2259418A1 Method and apparatus for input charge control of a power supply
12/08/2010EP2259417A2 DC-DC converter with double alternation regulation
12/08/2010EP2259416A2 System and method for ORing phases to overcome duty cycle limitations in a multiphase boost converter
12/08/2010EP2259414A1 A limiting circuit for an active clamp and a method of controlling a converter having a limiting circuit
12/08/2010EP2259162A1 Device for generating a reference voltage intended for a system with switched capacity.
12/08/2010EP2258039A1 A snubber capacitor generating an auxiliary power supply voltage
12/08/2010EP2258038A1 Low-voltage supply in operating devices for illumination means
12/08/2010EP2258037A1 Power supply with non-isolated dc dc splitting
12/08/2010EP2258036A1 Device for controlling a power supply with dc dc splitting of the type including n interlaced paths
12/08/2010CN201667614U Power supply, computer main board and direct-current-to-direct-current (DC-to-DC) converter
12/08/2010CN201667613U Power supply control circuit for digital signals
12/08/2010CN1930541B ADC transfer function providing improved dynamic regulation in a switched mode power supply
12/08/2010CN1925291B Switching power supply device and a semiconductor integrated circuit
12/08/2010CN1851564B Apparatus and method for generating a high voltage using digital control
12/08/2010CN1839533B Power supply control loop with multiple leveling modes
12/08/2010CN1625038B Cooling device and conversion device
12/08/2010CN1477773B Electric charge pump circuit based on coupling capacitance share
12/08/2010CN101911460A Processor and switching power supply apparatus
12/08/2010CN101911459A Battery power supply for radiofrequency transmitter
12/08/2010CN101911458A Bidirectional power management techniques
12/08/2010CN101911457A A power regulator system with current limit independent of duty cycle and its regulation method
12/08/2010CN101911456A Power supply circuit and method for controlling the same
12/08/2010CN101911455A Fuel cell system
12/08/2010CN101911362A 燃料电池系统 The fuel cell system
12/08/2010CN101911285A Semiconductor device and manufacturing method thereof
12/08/2010CN101910524A Hybrid construction machine and control method of hybrid construction machine
12/08/2010CN101909947A Control unit and method for controlling personal protection means for a vehicle
12/08/2010CN101909924A Fuel cell system and fuel cell boosting converter
12/08/2010CN101909392A LED intelligent dynamic control system and control method
12/08/2010CN101909376A High-power LED drive circuit
12/08/2010CN101908829A Single-stage power supply with power factor correction and constant current output
12/08/2010CN101908824A Method and apparatus for input charge control of a power supply
12/08/2010CN101908823A Method and apparatus to limit output power in a switching power supply
12/08/2010CN101908822A Step-up switching power supply device
12/08/2010CN101908821A Charge pump, charge pump booster circuit and operating method thereof
12/08/2010CN101908820A Offset cancelling circuit
12/08/2010CN101552479B Direct-current voltage reducing circuit
12/08/2010CN101505094B Electric power supply module for portable equipment
12/08/2010CN101478236B Voltage converter
12/08/2010CN101425748B Vehicle mounted universal power supply adapter
12/08/2010CN101383340B Semiconductor power device having a stacked discrete inductor structure
12/08/2010CN101373930B DC voltage converting circuit
12/08/2010CN101345489B Current transformer for limiting reverse recovery current
12/08/2010CN101295204B Multiphase voltage regulator on motherboard
12/08/2010CN101252316B Switching regulator
12/08/2010CN101212181B Multi-path output power supply
12/08/2010CN101141094B Control method and controller of current limiting slip form controlled decompression DC-DC converter
12/08/2010CN101136588B Voltage converter and display device comprising a voltage converter
12/08/2010CN101123396B Circuit for multi-function pin via pulse width adjusting controller
12/08/2010CN101047335B Zero-voltage-switching DC-DC converters with synchronous rectifiers
12/07/2010US7848406 Digital pulse width modulator
12/07/2010US7848125 Keep-alive for power stage with multiple switch nodes
12/07/2010US7848124 Overload and short protected soft-start converter
12/07/2010US7848119 Direct current to direct current converter
12/07/2010US7848118 Bi-directional DC-DC converter and method for controlling the same
12/07/2010US7848117 Control arrangement for a resonant mode power converter
12/05/2010CA2705069A1 Direct current/direct current converter with full wave regulator
12/02/2010WO2010138948A2 Buck-boost control circuit
12/02/2010WO2010138924A1 Endoscope light source
12/02/2010WO2010137924A2 Apparatus for adaptively reducing electromagnetic wave
12/02/2010WO2010137414A1 Power-supply circuit for driving inverters
12/02/2010WO2010137278A1 Inverter control device and inverter control method
12/02/2010WO2010137128A1 Converter control device and electric vehicle using the same
12/02/2010WO2010137127A1 Control device for a voltage converter and vehicles equipped with same, and a voltage converter control method
12/02/2010US20100302879 Semiconductor memory device and method of controlling the same
12/02/2010US20100302817 Dc-dc converter
12/02/2010US20100302816 Switching mode power supply with a spectrum shaping circuit
12/02/2010US20100302815 Switching mode power supply with a multi-mode controller
12/02/2010US20100302814 Controller for switching power supply
12/02/2010US20100302813 Dual-mode constant load control circuits and associated methods
12/02/2010US20100302812 Adapter power supply
12/02/2010US20100302811 Single-stage power supply with power factor correction and constant current output
12/02/2010US20100302810 Voltage converters with integrated low power leaker device and associated methods
12/02/2010US20100302809 Piezoelectric transformer driving device and image forming device
12/02/2010US20100302808 Power source apparatus
12/02/2010DE19805545B4 Schaltungsanordnung zur Spannungsversorgung eines pulsförmig betriebenen Verbrauchers Circuitry to power in pulses driven consumer
12/02/2010DE102010010503A1 Rotational energy storage for use in multi-voltage electrical system of hybrid motor vehicle, has low-voltage coil arranged in excitation region of magnetic field such that magnetic field device is displaced from low voltage coil
12/02/2010DE102009026612A1 Method for controlling LED string, in display-backlight of motor vehicle, involves generating output signal during reaching of threshold value, and initiating generation of new threshold value, where signal determines clock pulse
12/02/2010DE102009026442A1 Inductive load controlling arrangement for use in motor vehicle, has free-wheeling diode connected parallel to capacitor in inner side of one of branches, where diode and capacitor are connected in series with electrical resistor
12/02/2010DE102009022822A1 Voltage supply device for driving compressor motor of heat pump, has downward-transducer provided with downward-transducer-switch, and upward transducer coupled with downward-transducer by diode
12/01/2010EP2257130A1 Electric power device, and lighting fixture
12/01/2010EP2257129A1 Power supply device and illuminating apparatus provided with power supply device
12/01/2010EP2256927A1 Calibration and control of power switches in an operating device for light emitting elements
12/01/2010EP2256914A2 Dual-mode constant load control circuits and associated methods
12/01/2010EP2256913A1 Controller for switching mode power supply
12/01/2010EP2256912A1 Switching mode power supply with a multi-mode controller
12/01/2010EP2256911A1 Switching mode power supply with a spectrum shaping circuit
12/01/2010EP2256910A1 Semiconductor integrated circuit device
12/01/2010EP2256577A1 Electronic control device comprising a transistor with a tap connection
12/01/2010EP2255433A1 Resonant power converter comprising a matched piezoelectric transformer
12/01/2010CN201663559U Automatic light-control DC power supply
12/01/2010CN201663557U Secondary side power supply control switch
12/01/2010CN201663548U High-power intelligent high-frequency switch power supply based on DSP (Digital Signal Processing) technology
12/01/2010CN201663547U DC-DC converter
12/01/2010CN201663546U Multi-power-supply power-up sequence control device and system
12/01/2010CN201663464U Wind-grid hybrid generation unit for communication
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