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)
07/2010
07/21/2010CN201533240U Preceding-stage processing circuit of power supply
07/21/2010CN201533190U Emergency power supply system and precharge access device
07/21/2010CN101785173A Enhancement of power conversion efficiency using dynamic load detecting and tracking
07/21/2010CN101785172A Mode transitioning in a DC/DC converter using a constant duty cycle difference
07/21/2010CN101783599A Voltage doubling rectifying circuit
07/21/2010CN101783595A Overpower compensating method and device for wide voltage-input flyback power supply
07/21/2010CN101783594A Isolated high-light load efficiency low-output voltage high-current switch power source
07/21/2010CN101783593A Numerical control high voltage power supply with automatic linearity compensation
07/21/2010CN101783592A Modulation-demodulation method of high-voltage frequency converter
07/21/2010CN101783591A Booster circuit and pwm signal generator
07/21/2010CN101783590A Boosting clock circuit and charge pump provided with the same
07/21/2010CN101783589A Dc/dc converter circuit
07/21/2010CN101783588A Passive and nondestructive clamping single-phase high-gain converter
07/21/2010CN101783587A Circuit providing power supply voltage for wireless network card and method
07/21/2010CN101783586A Control circuit and method for constant turn-on time transformation circuit
07/21/2010CN101783581A 多相驱动电路 Polyphase drive circuit
07/21/2010CN101783344A Power transistor chip with built-in starting transistor and application circuit thereof
07/21/2010CN101465605B Flexible DC-DC converter with wide input range and variable topological
07/21/2010CN101355308B Magnetic-integrated zero-voltage zero-current soft switch full bridge circuit
07/21/2010CN101355305B Multifunctional active clamping structure-changing type double tube positive and negative sharp DC convertor
07/21/2010CN101188363B Capacitance charging module
07/21/2010CN101124714B High voltage pulsed power supply using solid state switches
07/20/2010US7760527 Device and method for controlling an electric power converter
07/20/2010US7760526 Method and device for the control of a three-phase inverter
07/20/2010US7760525 Voltage regulator
07/20/2010US7760522 Control unit for controlling DC/DC converter, DC/DC converter, electric apparatus, and apparatus having supply circuit
07/20/2010US7760521 Half-bridge resonant converter
07/20/2010US7760520 Current controlled switching mode power supply
07/20/2010US7760519 Primary only control quasi resonant convertor
07/20/2010US7760518 Method and apparatus for fault detection in a switching power supply
07/20/2010US7760517 Converter for an ion propulsion system
07/20/2010US7760481 Electronic device for controlled failure
07/20/2010US7760010 Switched-capacitor charge pumps
07/20/2010US7759917 Power supply unit and portable apparatus using the same
07/20/2010US7759827 DC voltage converting device having a plurality of DC voltage converting units connected in series on an input side and in parallel on an output side
07/20/2010CA2592884C Converter
07/15/2010WO2010079768A1 Electric power transmitting apparatus and noncontact electric power transmission system
07/15/2010WO2010079518A1 Active clamp device and converter including said device
07/15/2010WO2010079078A1 Device for electrical supply of electrical consumers in a vehicle, in particular a hybrid vehicle
07/15/2010WO2010079066A1 Voltage supply device for a load
07/15/2010WO2010047413A3 Vehicle-mounted multi-phase converter and design method thereof
07/15/2010US20100177538 System and Method for Power Supply Testing
07/15/2010US20100177537 Power supply circuit and power supply system
07/15/2010US20100177536 Dc-dc power supply apparatus method for improving dc-dc power supply apparatus
07/15/2010US20100176787 Power converter
07/15/2010US20100176660 Galvanic isolator
07/15/2010DE112008001950T5 Wandlervorrichtung, Steuerungsvorrichtung für eine drehende elektrische Maschine, und Antriebsvorrichtung Converter apparatus control device for a rotating electrical machine, and drive means
07/14/2010EP2207258A2 Method and system for polarity independent step-up converter capable of operating under ultra-low input voltage condition
07/14/2010EP2207250A1 Contactless power transmission circuit
07/14/2010EP2207248A2 Solar power plant
07/14/2010EP2206229A1 Dc control unit for controlling an input voltage in a photovoltaic system
07/14/2010EP2206228A1 Single inductor power supply system with extremely high psrr for dual supply active matrix oled displays
07/14/2010CN201528453U LED constant current source capable of half-power controlling
07/14/2010CN201528276U Multi-output switch power supply
07/14/2010CN201528275U Self-adapting drive circuit of active clamping switch tube
07/14/2010CN201528274U Intelligent current transmitter module in two-wire system
07/14/2010CN201528273U Boost chopper
07/14/2010CN201528272U High-accuracy programmable power supply
07/14/2010CN201528271U Voltage conversion device
07/14/2010CN201527619U USB power supply device
07/14/2010CN101777845A High-efficiency full range type switched power supplier
07/14/2010CN101777844A Resonant converter provided with phase shift output route
07/14/2010CN101777840A Buck-boost composite DC/DC converter
07/14/2010CN101777839A Switch power supply device applying piezoelectric transformer
07/14/2010CN101777838A Three-port alternating current/direct current power supply
07/14/2010CN101777837A Intelligent clamped circuit and power supply comprising same
07/14/2010CN101777836A Electric energy isolation transmission method and isolation transmission device
07/14/2010CN101777835A Power supply circuit and semiconductor device for use therein
07/14/2010CN101777834A Automatic voltage-countering power supply device and method
07/14/2010CN101777833A Electronic equipment and power supply unit thereof
07/14/2010CN101777832A Single-loop pulse regulating and controlling method and device of pseudo continuous mode switch power supply
07/14/2010CN101777831A DC-DC converter and manufacture method thereof
07/14/2010CN101777830A Control circuit of switching tube
07/14/2010CN101777825A Power supply devices
07/14/2010CN101777823A Slope compensation device of peak-current mode inverter welding power source
07/14/2010CN101777787A Suspending electronic switch of electric vehicle
07/14/2010CN101777553A Power transistor chip with built-in junction field effect transistor and application circuit thereof
07/14/2010CN101394094B Full automatic high efficient voltage step-up step-down circuit
07/14/2010CN101247085B Passive-clamp alternation and parallel connection boosting converter
07/14/2010CN101222177B Voltage converting circuits
07/14/2010CN101168210B Improved three stage power source for electric arc welding
07/13/2010US7755917 Modulation of a feedback signal used in a digital control of a switching regulator
07/13/2010US7755915 Power supply circuit with at least one feedback circuit feeding operating state of transformer back to pulse width modulation circuit thereof
07/13/2010US7755914 Pulse frequency to voltage conversion
07/13/2010US7755217 Pulse generator
07/08/2010WO2010078483A1 Capacitor block comprising capacitors that can be connected to each other and method for charging and discharging the capacitors to write a phase change material memory
07/08/2010WO2010077528A1 Regulation of recovery rates in charge pumps
07/08/2010WO2010076734A1 Switched power converter with extended hold-up time
07/08/2010WO2010076671A1 Current sensing circuitry and integrated circuit and method for sensing a current
07/08/2010WO2010076077A1 Providing high efficiency in a power supply over a range of load conditions
07/08/2010WO2010076076A1 Reducing power consumption on devices with multiple power supplies
07/08/2010US20100172672 High voltage power supply apparatus
07/08/2010US20100172160 System and method for providing control for switch-mode power supply
07/08/2010US20100172159 Multiple-output switching power supply unit
07/08/2010US20100172158 Switching power supply apparatus and primary side control circuit
07/08/2010US20100172157 Switching power supply device and switching power supply control circuit
07/08/2010US20100172156 Offline synchronous rectifier circuit with turned-on arbiter and phase-lock for switching power converters
07/08/2010US20100171372 Charge Pump Circuit and Voltage Converter Using the Same
07/07/2010EP2204899A2 Isolated ac/dc converter with leakage inductor energy recovery function
07/07/2010EP2204898A1 Switching power supply system comprising cascaded PFC and resonant converters
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