Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
02/2014
02/19/2014EP2698684A1 Semiconductor integrated circuit
02/19/2014EP2698681A1 Voltage generating circuit
02/19/2014EP2697900A1 Switched mode power supply with a simplified start-up supply
02/19/2014EP2697899A1 System for spreading a spectrum linked to the usage of a switching regulator used in a receiver or display of a dashboard of an automobile
02/19/2014CN203445790U High-voltage DC/DC switching power supply
02/19/2014CN203445789U Improved low-power consumption standby audio power
02/19/2014CN203445788U Power supply apparatus applied to hemodialysis machine
02/19/2014CN203445787U Power converter, clock module and control circuit
02/19/2014CN203445786U Zero line judgment three-phase power supply module with overload protection
02/19/2014CN203445785U Switch converter and control circuit thereof
02/19/2014CN203445784U Power supply circuit having line loss compensation function
02/19/2014CN203445783U Circuit topology structure of redundancy constant voltage power supply
02/19/2014CN203445782U Maximum power tracker
02/19/2014CN203445781U Maximum power tracker
02/19/2014CN203445774U Peak value current deviation generation circuit, peak value current sample hold circuit with compensation, constant current control circuit and switch power source
02/19/2014CN203445600U Control circuit and integrated circuit for resonant converter
02/19/2014CN103597725A Power conversion device and battery charging device using same
02/19/2014CN103597724A A two mode power converter for audio amplifiers
02/19/2014CN103597723A Method and circuit for power factor correction
02/19/2014CN103597722A Operating device for a lamp, comprising a power factor correction circuit
02/19/2014CN103597721A Non-isolated step-down switching regulator, control circuit therefor, electronic device, and AC adapter
02/19/2014CN103597720A Fuel battery system
02/19/2014CN103595271A An active control feedback integrated circuit used for a converter converting AC into DC and an operational method thereof
02/19/2014CN103595269A Refrigeration equipment and power source used for control system of refrigeration equipment
02/19/2014CN103595268A Frequency converter
02/19/2014CN103595261A Multipath switching system for power supply
02/19/2014CN103595260A Push-pull - flexible switching converter with serial-connected resonance unit
02/19/2014CN103595259A Double-transformer serial-parallel isolated-type soft switching direct-current converter and control method thereof
02/19/2014CN103595258A Boost type soft switching resonant converter and frequency fixing control method thereof
02/19/2014CN103595257A Isolation type direct-current buck converter with soft switching function and control method of isolation type direct-current buck converter
02/19/2014CN103595256A DC/DC power system for electric vehicle
02/19/2014CN103595255A Hardware control system for DC/DC conversion in proton exchange membrane fuel cell standby power system
02/19/2014CN103595254A Multistage direct current circuit with controllable voltage
02/19/2014CN103595253A Novel control method to reduce switching loss on MOSFET
02/19/2014CN103595252A A power supply feedback apparatus
02/19/2014CN103595251A Integrated on-time extender for non-dissipative bleeding in a power supply
02/19/2014CN103595250A Shell instrument power module circuit
02/19/2014CN103595249A Direct current boosted circuit based on reverse conducting switch
02/19/2014CN103595248A Soft switching Boost topology circuit
02/19/2014CN103595247A DCDC converter in photovoltaic power generation system
02/19/2014CN103595246A Dual-frequency control combined type three-phase three-level direct-current converter and control method thereof
02/19/2014CN103595245A Capacitance selectable charge pump
02/19/2014CN103595240A Device and method for reducing boosting amplitude of Boost type PFC converter
02/19/2014CN103595224A Feedback circuit and control method for isolated power converter
02/19/2014CN103595093A Solar storage battery discharging device
02/19/2014CN103592503A Method for determining zero-crossing of an AC input voltage to a power supply, controller, and power supply
02/19/2014CN102510233B Multifunctional current impulse transmitter control method
02/19/2014CN102412727B Switching power supply as well as control circuit and light adjusting method thereof
02/19/2014CN102412708B Switching converter as well as control circuit and control method thereof
02/19/2014CN102308463B Comparator type dc-dc converter using synchronous rectification method
02/19/2014CN102223067B Device and method for driving constant-current source load
02/19/2014CN102149345B Hf surgical generator
02/19/2014CN102136801B Resonant converter and intermittent mode control method thereof
02/19/2014CN102088244B Maximum power point tracking converter and maximum power point tracking method
02/19/2014CN102005923B Power supply controller with an input voltage compensation circuit
02/19/2014CN101976948B Multi-phase dc-to-dc converter
02/19/2014CN101911456B Power supply circuit and method for controlling the same
02/19/2014CN101741254B Negative lock loop of fly-back voltage converter and control method
02/19/2014CN101686011B Distribution type power supply management system and method to properly ramp current sharing
02/18/2014US8654548 Flyback primary side output voltage sensing system and method
02/18/2014US8654547 Method and apparatus for digital control of a switching regulator
02/18/2014US8654546 Method and apparatus for controlling resonant power converter
02/18/2014US8653805 Duty ratio/voltage conversion circuit
02/18/2014US8653800 Step-up switching power supply device with current-limiting transistor
02/18/2014US8653743 Switching power supply device and lighting apparatus
02/18/2014US8653601 Current control semiconductor element and control device using the same
02/13/2014WO2014025510A1 Noise resistant regulator
02/13/2014WO2014024692A1 Derivation method for equivalent circuit model of power supply smoothing lc filter
02/13/2014WO2014024560A1 Electric-power conversion device
02/13/2014WO2014024487A1 Energy conversion device
02/13/2014WO2014024244A1 Power supply circuit, electronic processing device, and power supply method
02/13/2014WO2014024184A1 A high efficiency resonant switched capacitor converter with continuous conversion ratio
02/13/2014US20140043869 Power supply apparatus and image forming apparatus
02/13/2014US20140043868 Switching power supply system and control circuit of the switching power supply system
02/13/2014US20140043867 Switching power supply device control circuit and switching power supply
02/13/2014US20140043866 High efficiency and low loss ac-dc power supply circuit and control method
02/13/2014US20140043865 Synchronous rectifier control techniques for a resonant converter
02/13/2014US20140043864 Power supply circuit using dc/dc converter
02/13/2014US20140043863 Novel control method to reduce switching loss on mosfet
02/13/2014US20140043862 Power adapter
02/13/2014US20140043861 Controlling an adapter transformer voltage
02/13/2014US20140043860 Controlling an adapter transformer voltage
02/13/2014US20140043010 Recursive dc-dc converter
02/13/2014US20140043009 Semiconductor integrated circuit and power supply circuit
02/13/2014US20140043005 Dc-dc converter and control method for the same
02/13/2014US20140043004 Synchronous dc-dc conversion
02/13/2014US20140043001 Apparatus for Impedance Matching
02/13/2014US20140042994 Soft-Start Control Techniques for a Switched-Mode Power Supply
02/13/2014US20140042810 Feedback device for a power supply
02/13/2014DE102013013066A1 Neuartiges Steuerungsverfahren zur Reduzierung von Schaltverlusten an einem MOSFET Novel control method for reducing switching losses of a MOSFET
02/12/2014EP2696490A1 AC/DC converter circuit
02/12/2014EP2696488A1 Power supply circuit using DC/DC converter
02/12/2014EP2696487A1 Power conversion apparatus, motor drive apparatus, and refrigeration air-conditioning apparatus
02/12/2014EP2696466A2 Adapter and electric power tool
02/12/2014EP2695295A1 Power supply with tickle pulse injection
02/12/2014EP2695288A2 Power supply controller
02/12/2014CN203435209U Single rechargeable battery light-emitting diode flashlight
02/12/2014CN203434872U A high-efficient electric automobile motor power supply controlling and driving circuit
02/12/2014CN203434871U Novel high-frequency induction welding power supply structure
02/12/2014CN203434870U Two-winding coupling inductor voltage-multiplying single switch tube high-gain converter
1 ... 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 ... 545