Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
11/2012
11/07/2012CN102769320A Car charging device for iphone
11/07/2012CN102223084B Alternating-current constant-current source circuit
11/07/2012CN102097939B Current sampling circuit
11/07/2012CN102082504B Passive downward clamping circuit
11/07/2012CN101860212B Direct current(DC)-to-direct current conversion system
11/07/2012CN101795060B Method for quickly evaluating reliability of hybrid integrated circuit DC/DC convertor
11/07/2012CN101777832B Single-loop pulse regulating and controlling method and device of pseudo continuous mode switch power supply
11/07/2012CN101651418B Method of controlling a rectifying bridge and a circuit for the control
11/07/2012CN101471602B Bidirectional DC power supply circuit
11/06/2012US8305786 Power controller for electric vehicle
11/06/2012US8305785 Power source apparatus
11/06/2012US8305776 Systems and methods for primary-side regulation in off-line switching-mode flyback power conversion system
11/06/2012US8305775 Switching power supply device
11/06/2012US8305060 Switching power supply device and a semiconductor integrated circuit
11/06/2012US8305011 Driving circuit for light emitting elements
11/06/2012US8305004 Apparatus and method for constant power offline LED driver
11/06/2012US8305001 Light-emitting diode driver circuit and lighting apparatus
11/01/2012WO2012149518A2 Power conversion system and method
11/01/2012WO2012149464A1 Battery management system with mosfet boost system
11/01/2012WO2012148603A1 Switching element having an electromechanical switch and methods for making and using same
11/01/2012WO2012147609A1 Switching power source device and electronic equipment using same
11/01/2012WO2012147453A1 Direct current power supply device
11/01/2012WO2012147448A1 Discharge control circuit
11/01/2012WO2012147286A1 Pfc signal generation circuit, pfc control system using same, and pfc control method
11/01/2012WO2012147280A1 Pfc signal generation circuit, pfc control system using same, and pfc control method
11/01/2012WO2012147263A1 Uninterruptible power supply apparatus and control method therefor
11/01/2012WO2012147257A1 Power conversion device and solar power generation system
11/01/2012WO2012147254A1 Power factor correction converter
11/01/2012WO2012147189A1 Power conversion device
11/01/2012WO2012147139A1 Semiconductor integrated circuit system; and electronic device, electronic product, and moving body provided with same
11/01/2012WO2012145772A1 Operating device for a lamp, comprising a power factor correction circuit
11/01/2012WO2012145771A1 Method and circuit for power factor correction
11/01/2012WO2012145770A1 Method and circuit for power factor correction
11/01/2012WO2012109536A3 Input current shaping for transition and discontinuous mode power converter
11/01/2012WO2012109532A3 Digital phase adjustment for multi-phase power converters
11/01/2012WO2012094670A3 Dc-dc converter
11/01/2012WO2012083289A3 Dual-stage power conversion
11/01/2012WO2012081998A3 An improved resonant converter and methods of operating
11/01/2012WO2012061769A3 Controlled power dissipation in a switch path in a lighting system
11/01/2012WO2011135042A3 Improvements in or relating to opto-coupled sensing
11/01/2012US20120275199 Switch-mode power supply controller and associated method
11/01/2012US20120275198 Transition mode charge control for a power converter
11/01/2012US20120275197 Layouts of multiple transformers and multiple rectifiers of interleaving converter
11/01/2012US20120275196 Multi-stage power inverter
11/01/2012US20120275195 Low Noise, Highly Isolated Power Supply
11/01/2012US20120274146 Advanced clock synchronization circuit for switch mode power supplies
11/01/2012US20120273810 Booster Circuit, Semiconductor Device, and Electronic Apparatus
10/2012
10/31/2012EP2518888A2 A grid tied inverter, system and method
10/31/2012EP2518879A2 Alternating current to direct current power conversion
10/31/2012EP2518878A1 DC-DC converter, method for operating the DC-DC converter, environmental energy harvesting system comprising the DC-DC converter, and apparatus comprising the energy harvesting system
10/31/2012EP2518877A1 Charge pump circuit, method for controlling same, and semiconductor integrated circuit
10/31/2012EP2518876A1 High-voltage power supply
10/31/2012EP2518855A2 Switching coordination of distributed DC-DC converters for highly efficient photovoltaic power plants
10/31/2012EP2517346A2 Resonant circuit and resonant dc/dc converter
10/31/2012EP2517345A1 Groundable dc/dc converter
10/31/2012EP2517344A1 Bidirectional dc converter
10/31/2012EP2517343A2 Stacked nmos dc-to-dc power conversion
10/31/2012EP2517342A2 Over voltage protection of a switching converter
10/31/2012EP2517082A2 Voltage compensation
10/31/2012EP2517034A1 Efficiency measuring circuit for dc-dc converter which calculates internal resistance of switching inductor based on duty cycle
10/31/2012EP2302776B1 Voltage detecting device for half bridge circuit
10/31/2012DE102011052126A1 Adaptive Ladungspumpe Adaptive charge pump
10/31/2012CN202514138U Drive power supply for non-electrolytic capacitor
10/31/2012CN202513844U Automotive multifunctional power supply
10/31/2012CN202513838U Low voltage power carrier communication power supply
10/31/2012CN202513837U AC-DC voltage stabilizing protection circuit and chip power conversion circuit
10/31/2012CN202513829U Constant-current and constant-voltage circuit
10/31/2012CN202513828U Highly-isolated adjustable direct-current voltage-stabilized power supply circuit
10/31/2012CN202513827U Non-overshoot voltage-stabilizing switching power supply
10/31/2012CN202513826U Continuously adjustable variable-structure constant-power power supply
10/31/2012CN202513825U DC/DC power source module having under-voltage surge resisting function
10/31/2012CN202513824U Cross-mode high-and-low voltage compensation device
10/31/2012CN202513823U Digital conversion circuit with variable structure
10/31/2012CN202513822U Low voltage driven buffer circuit chip
10/31/2012CN202513821U High current-supporting power module
10/31/2012CN202513820U Charge pump single-stage circuit and charge pump circuit
10/31/2012CN202513617U Solar energy controller configured with direct current voltage-boosting circuit
10/31/2012CN202512788U Switch power supply parallel supply device
10/31/2012CN202512787U Switch power supply device
10/31/2012CN102763315A Switching power supply apparatus
10/31/2012CN102763314A Method for the phase diagnosis of a multiphase converter
10/31/2012CN102763313A 电源装置 Power supply unit
10/31/2012CN102763303A Battery protection circuit and method for energy harvester circuit
10/31/2012CN102761276A Step-down type power factor correction (PFC) circuit
10/31/2012CN102761273A No-load control system of original-side feedback AC-DC switching power supply
10/31/2012CN102761267A Flyback power supply converting device and liquid-crystal display product using same
10/31/2012CN102761266A High-power switching power supply circuit with multiple outputs
10/31/2012CN102761265A Switching power supply controller and method for operating switching power supply
10/31/2012CN102761264A Boost circuit, backlight drive device and liquid crystal display
10/31/2012CN102761263A Method and system to reduce current overshoot in a DC/DC converter
10/31/2012CN102761262A DC-DC (Direct Current) power conversion integrated module device
10/31/2012CN102761261A Switched-mode power supply
10/31/2012CN102761260A Low-voltage driven booster circuit and relative method
10/31/2012CN102761259A Voltage regulator and system and method for controlling turn-on time in fixed-frequency manner
10/31/2012CN102761258A Boosted circuit and control method thereof
10/31/2012CN102761257A Boost converter and control method thereof
10/31/2012CN102761256A Power supplying circuit for improving instantaneous change response, control circuit and control method of power supplying circuit
10/31/2012CN102761255A Switched-mode power supply
10/31/2012CN102761254A Switched-mode power supply
10/31/2012CN102761253A Control device and method of buck/boost converter