Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
02/2013
02/27/2013CN101855816B Switching power supply, control circuit for controlling switching power supply, control method of switching power supply and module substrate
02/27/2013CN101814838B Control method and device of power converter of resonance topological circuit
02/27/2013CN101606309B Voltage control device and voltage control method
02/27/2013CN101295930B 高压电源 High Voltage Power Supply
02/27/2013CN101232246B Power supply device and communication apparatus
02/26/2013US8385097 Method for controlling a voltage source converter and a voltage converting apparatus
02/26/2013US8385093 Voltage converter
02/26/2013US8385090 Power supply system
02/26/2013US8385089 Multiple-output switching power supply unit
02/26/2013US8385088 Method and apparatus for implementing an unregulated dormant mode with output reset in a power converter
02/26/2013US8385087 Extending achievable duty cycle range in DC/DC forward converter with active clamp reset
02/26/2013US8385086 Converter having a polyphase mains-commutated power converter and a load-side power converter
02/26/2013US8385085 PWM signal generator, and inverter equipped with this PWM signal generator
02/26/2013US8384248 Power control apparatus and electronic appliance equipped with power control apparatus
02/21/2013WO2013024811A1 Power supply device and lighting device
02/21/2013WO2013024550A1 Dc-dc converter, dc-dc conversion method, and information apparatus
02/21/2013WO2013024393A1 A power regulation arrangement and power supply
02/21/2013WO2013024172A1 Dc/dc converter for hybrid system
02/21/2013WO2013023925A2 Ac/dc converter with galvanic insulation and signal corrector
02/21/2013WO2013023343A1 Clamp circuits for power converters
02/21/2013WO2012127209A3 Solar photovoltaic inverters
02/21/2013WO2012126436A3 Resonant conversion circuit
02/21/2013WO2012062477A8 Apparatus for impedance matching
02/21/2013US20130045023 High-voltage power-supply apparatus, and image formation apparatus
02/21/2013US20130044521 Switching power supply with optimized thd and control method thereof
02/21/2013US20130044520 Switch control circuit, power factor corrector including the same, and driving method of the power factor corrector
02/21/2013US20130044519 Bidirectional dc/dc converter
02/21/2013DE102012107148A1 Digitalsteuerung für DC/DC-Spannungswandler Digital control of the DC / DC voltage converter
02/20/2013EP2560273A2 Power supply control system
02/20/2013EP2559323A1 Fault protected current source for lighting element testing
02/20/2013CN202750026U High-power audio power amplifier high peak quasi-resonant flyback power circuit
02/20/2013CN202750022U Series-parallel conversion transformer using microprocessor to control capacitors
02/20/2013CN202750021U Converter for converting alternating current into direct current
02/20/2013CN202750015U High-efficient low-cost push-pull-type direct current converter
02/20/2013CN202750014U Novel 12V high-power DC controller
02/20/2013CN202750013U Transformer-free 12-V direct-current power supply
02/20/2013CN202750012U Multiphase switch type power supply and drooping signal generating circuit thereof
02/20/2013CN202750011U Boost conversion circuit with constant-current and constant-voltage output
02/20/2013CN202750010U Linear voltage-decreasing circuit
02/20/2013CN202750009U Digital control type direct current boost device and application thereof
02/20/2013CN202750008U Low-ripple wave heavy current DC-DC switch module power supply
02/20/2013CN202750007U Voltage conversion module of learning machine circuit
02/20/2013CN202749806U Ethernet shunt transition and other-circuit power supply overvoltage protector
02/20/2013CN202747393U Full-solid-state high energy electric ignition device
02/20/2013CN202743184U Power supply system of skylight controller
02/20/2013CN102939704A Switching control circuit and switching power supply apparatus
02/20/2013CN102938617A Alternating current-direct current power converter
02/20/2013CN102938614A Program control high-voltage power circuit of floating ground
02/20/2013CN102938613A Positive polarity adjustable high-voltage power circuit consisting of TL5001A
02/20/2013CN102938612A Digital control method of DC (direct current) converter meeting wide input-output voltage requirements
02/20/2013CN102938611A Slope compensation voltage generation circuit and method, switch regulator and power source
02/20/2013CN102938610A Charge pump circuit and storage
02/20/2013CN102185479B One-cycle control circuit and control method thereof for double-input Buck converter
02/20/2013CN102122903B Novel solar photovoltaic peak-power point tracking system
02/20/2013CN101895209B Power supply circuit and method thereof
02/20/2013CN101834526B Power conversion circuit and portable power supply device applicable thereto
02/20/2013CN101820217B Power conversion circuit with function of current decentralized input
02/20/2013CN101599694B Two-sided modulation type pulse width modulation controller and method thereof
02/19/2013US8379420 Controller with punctuated switching control circuit
02/19/2013US8379415 Systems and methods for reducing EMI in switch mode converter systems
02/19/2013US8379414 Power transistor chip with built-in enhancement mode metal oxide semiconductor field effect transistor and application circuit thereof
02/19/2013US8379413 Circuits and methods for controlling power converters including transformers
02/19/2013US8379412 Converter and converter control method
02/19/2013US8379411 Piezoelectric converter with primary regulation and associated piezoelectric transformer
02/19/2013US8378736 Low noise charge pump method and apparatus
02/19/2013DE202011107797U1 Reduzierung der Leerlaufspannung beim LLC Resonanzwandler Reducing the open circuit voltage with the LLC resonant converter
02/14/2013WO2013021857A1 Switching power supply device
02/14/2013WO2013021819A1 Snubber circuit
02/14/2013WO2013021572A1 Switching power supply device
02/14/2013WO2013021028A2 Asynchronous switch mode supply
02/14/2013WO2013020987A1 Method for generating a digital signal
02/14/2013WO2013020581A1 Power grid
02/14/2013WO2013020269A1 Phase-shift full-bridge circuit and control method thereof
02/14/2013WO2013020212A1 Electrical energy storage system for traction power supply
02/14/2013US20130039098 Offline ac-dc controller circuit and a converter comprising the same
02/14/2013US20130039097 Power conversion apparatus
02/14/2013US20130038305 Direct Current Voltage Conversion Circuit
02/13/2013EP2557674A1 A circuit for a switched mode power supply
02/13/2013EP2557673A2 Method and apparatus for controlling a circuit with a high voltage sense device
02/13/2013EP2557656A1 Power-fail retaining circuit, method and power supply system
02/13/2013EP2557650A2 Current bypass for distributed power harvesting systems using DC power sources
02/13/2013CN202738189U LED (Light Emitting Diode) driver and DC/DC (Direct Current to Direct Current) boost converter
02/13/2013CN202738167U Constant current power supply without electrolytic capacitor and integrated circuit for HV-LED lamp
02/13/2013CN202737775U Novel two-level type alternative current photovoltaic module
02/13/2013CN202737772U Low-voltage direct-current power supply of electronic transformer
02/13/2013CN202737771U Switching power supply circuit and switching power supply
02/13/2013CN202737770U Switch power supply with high-power factor and controller of the same
02/13/2013CN202737768U Voltage-stabilizing power supply adapting commercial power wide range change
02/13/2013CN202737767U Stabilized power supply with lightning strike resistance
02/13/2013CN202737766U Large power adjustable direct current voltage stabilization power supply
02/13/2013CN202737762U DSP-based DC charging power supply system for electric automobile
02/13/2013CN202737758U Chip voltage conversion system used for measuring pulse waves
02/13/2013CN202737750U B power supply generator of DC valve receiver
02/13/2013CN202737749U Low-voltage DC power energy feedback electronic load boost system controlled in digitalized manner
02/13/2013CN202737748U Switching power supply for multifunctional electric power meter
02/13/2013CN202737747U Two-transistor forward switching power supply circuit capable of reducing power switch loss
02/13/2013CN202737746U Improved single cycle control full bridge converter
02/13/2013CN202737745U Heavy-current switch power supply and heavy-current switch power supply system
02/13/2013CN202737744U Comprehensive control device for inversion power supply of large power oxygen-hydrogen generator
02/13/2013CN202737743U Integrated silicon chain adjusting device