Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
02/2009
02/05/2009WO2008147801A3 Half-bridge circuits employing normally on switches and methods of preventing unintended current flow therein
02/05/2009WO2008139392A3 Dc-to-dc converter comprising a reconfigurable capacitor unit
02/05/2009WO2008100237A3 A smps circuit with multiple ac/dc inputs and application of such circuit to computer power supplies or laptop adapters
02/05/2009US20090034301 Switching Power Converter Controlled by a Winding Voltage Sampler
02/05/2009US20090034300 Bidirectional DC/AC inverter
02/05/2009US20090034299 Apparatus and method for high efficiency isolated power converter
02/05/2009US20090034298 Control Method And Apparatus Of Resonant Type DC/DC Converter With Low Power Loss At Light Load And Standby
02/05/2009US20090033302 Voltage conversion device
02/05/2009DE112007000698T5 Nicht-lineare adaptive Gradienten-Stromversorgungsarchitektur und Schema Non-linear adaptive gradient-power architecture and scheme
02/05/2009CA2686858A1 Solar powered apparatus
02/04/2009EP2020738A1 Apparatus and method for high efficiency isolated power converter
02/04/2009EP2020072A1 Charging and rechargable devices
02/04/2009CN201191910Y Loudspeaker box embedded with switch power supply
02/04/2009CN201191809Y Isolation type active clamp alternation parallel DC-DC converter
02/04/2009CN201191808Y Single period feedforward switching control circuit
02/04/2009CN201191807Y Electric power circuit special for brushless motor controller
02/04/2009CN201191806Y Soft starting circuit for impulse-width modulating DC-DC switch power supply
02/04/2009CN201191804Y Auxiliary current transformer for automobile
02/04/2009CN201191061Y Air conditioner electric-controlled plate for implementing energy-conservation in two aspect
02/04/2009CN101361255A A drive circuit
02/04/2009CN101361254A Ac link bidirectional dc-dc converter, hybrid power supply system using the same, and hybrid vehicle
02/04/2009CN101361253A Electric power supply apparatus and vehicle having electric power supply apparatus
02/04/2009CN101359871A Piezoelectric transformer type high-voltage power apparatus and image forming apparatus
02/04/2009CN101359870A Piezoelectric transformer type high-voltage power apparatus and image forming apparatus
02/04/2009CN101359869A Output control device, power source device, circuit device, and converter device
02/04/2009CN101359868A Modular parallel great power DC power source switch apparatus
02/04/2009CN101359661A Multi-die dc-dc boost power converter with efficient packaging
02/04/2009CN101359657A Multi-die dc-dc boost power converter with efficient packaging
02/04/2009CN100459621C Incoming display telephone without external connecting power and cell
02/04/2009CN100459397C Floating-grid threshold-value adjustable rectifying circuit for FR electronic label
02/04/2009CN100459392C Current-stabilizing switch power source with voltage ripple detection circuit
02/04/2009CN100459391C Self-drive circuit for switch power supply
02/04/2009CN100459390C LLC half-bridge converter
02/04/2009CN100459389C DC power supply apparatus
02/04/2009CN100459388C Synchronous rectification reverse-flow preventing circuit and method for parallel synchronous rectification converter
02/04/2009CN100459387C Switching power supply circuit
02/04/2009CN100459386C DC power supply device, driving method and semiconductor integrated circuit device
02/04/2009CN100459385C DC to DC converter
02/04/2009CN100459384C Boost circuit capable of variably control rate of voltage rise
02/04/2009CN100459383C Power supply
02/04/2009CN100459382C Voltage control device for supplying drive voltage to multiple loads and electronic equipment with same
02/04/2009CN100459381C 软切换功率转换器电路 Soft-switching power converter circuit
02/04/2009CN100459360C System and method for interleaving point-of-load regulators
02/04/2009CN100459350C Undervoltage warning method, undervoltage warning circuit and switching power supply
02/04/2009CN100458637C Low harmonic current power regulating method and apparatus
02/04/2009CN100458634C Active voltage positioning implementation for microprocessor power supplies or the like
02/03/2009US7486529 Switching power supply controller with improved efficiency and method therefor
02/03/2009US7486528 Linear-predict sampling for measuring demagnetized voltage of transformer
02/03/2009US7486150 Electric circuit and oscillator comprising said electric circuit
02/03/2009US7486062 Method and apparatus for trimming current limit and frequency to maintain a constant maximum power
02/03/2009US7486061 Power supply apparatus
02/03/2009US7486055 DC-DC converter having a diode module with a first series circuit and a second series with a flywheel diode
02/03/2009US7486054 Method for generating a reading signal of a sense element comprised into at least a phase of a multiphase controller
01/2009
01/29/2009WO2009015227A1 Load current compensation in synchronous power converters
01/29/2009WO2009015205A1 Dead-time transition adjustments for synchronous power converters
01/29/2009WO2009014826A1 An integrated cmos dc-dc converter implementation in low-voltage cmos technology using ldo regulator
01/29/2009WO2009014236A1 Voltage conversion device
01/29/2009WO2009013975A1 Power supply system and electric vehicle equipped with the same, and method for controlling power supply system
01/29/2009WO2009013952A1 Control device and control method for electric system
01/29/2009WO2009013834A1 Power supply system and voltage stabilizing method
01/29/2009WO2009012778A2 Switch mode pulse width modulated dc-dc converter with multiple power transformers
01/29/2009WO2009012620A1 Method and apparatus to provide synchronous rectifying circuit for flyback power converters
01/29/2009WO2008151279A3 Method and system for synchronous rectification
01/29/2009WO2008022232A3 Clamp diode reset in a power converter and power outage detection in a switched mode power supply
01/29/2009US20090027933 Voltage link control of a dc-ac boost converter system
01/29/2009US20090027927 Switch mode power supply
01/29/2009US20090027926 Method and apparatus to provide synchronous rectifying circuit for flyback power converters
01/29/2009US20090027925 Switching power supply
01/29/2009US20090027924 Feedback Control Device
01/29/2009US20090027923 Power supply device and power supply control method
01/29/2009US20090027019 Control loop for switching power converters
01/29/2009US20090026837 On-vehicle power supply device
01/29/2009US20090026544 Semiconductor device
01/29/2009DE102007035418A1 Direct current converter for electronic device, has circuit with current source, and producing compensation voltage, which is superimposed to regulate voltage level of output direct current voltage
01/29/2009CA2694100A1 Switch mode pulse width modulated dc-dc converter with multiple power transformers
01/28/2009EP2019481A1 Switch-mode DC-DC converter with multiple power transformers
01/28/2009EP2019480A2 Power supply circuit of image display apparatus
01/28/2009EP2019479A1 A single-desk power supply and a method for providing a power supply
01/28/2009CN201188582Y DC power supply for automatic biochemistry instrument
01/28/2009CN101356719A Improving transient behavior while switching between control loops in a switching voltage regulator
01/28/2009CN101356718A Comparator type DC-DC converter
01/28/2009CN101356717A Power supply device, emission control device and display device
01/28/2009CN101356482A Digital controller
01/28/2009CN101355841A Drive unit, smoothing circuit, DC/DC converter
01/28/2009CN101355320A Voltage link control of a dc-ac boosting converter system
01/28/2009CN101355312A AC-DC converter
01/28/2009CN101355311A AC-DC converter
01/28/2009CN101355309A Seclusion type interleaving parallel connection DC/DC converter with switch capacitance
01/28/2009CN101355308A Magnetic-integrated zero-voltage zero-current soft switch full bridge circuit
01/28/2009CN101355307A Full bridge converter with zero voltage and zero current
01/28/2009CN101355306A Synchronous rectification circuit and method for power converter
01/28/2009CN101355305A Multifunctional active clamping structure-changing type double tube positive and negative sharp DC convertor
01/28/2009CN101355304A Circuit for reusing leakage inductance energy and inversely-loosing type converter containing the circuit
01/28/2009CN101355303A Topological structure of L T-shaped step-down converter
01/28/2009CN101355302A Topological structure of L-shaped step-down converter
01/28/2009CN101355301A Topological structure of L-shaped booster converter
01/28/2009CN101355300A Charge pump circuit, and control circuit and control method thereof
01/28/2009CN101355299A Multiple-stage charge pump circuit with charge recycle circuit
01/28/2009CN101355298A Output regulation circuit of a power converter without current sensing loss and method thereof
01/28/2009CN101355260A Transformation controller for charging and discharging lithium ion accumulator as well as transformation control method thereof