Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
06/2005
06/07/2005US6903538 Power supply apparatus
06/07/2005US6903537 Switching DC-to-DC converter with multiple output voltages
06/07/2005US6903536 PFC-PWM controller having interleaved switching
06/07/2005US6903535 Biasing system and method for low voltage DC—DC converters with built-in N-FETs
06/02/2005WO2005050813A1 Charger, and dc/dc converter having this charger
06/02/2005WO2005022732A3 Full bridge power converters with zero-voltage switching
06/02/2005WO2004097905A3 Dc-dc converter implemented in a land grid array package
06/02/2005US20050117376 Power converter with retractable cable system
06/02/2005US20050117372 Unregulated dc-dc converter having synchronous rectification with efficient gate drives
06/02/2005US20050117371 Power supply circuit and electronic apparatus
06/02/2005US20050117268 Dc-dc converter having active transient response compensation circuit employing flyback inductor
06/02/2005US20050116762 System comprising an electrical bridge for generating an electrical signal for a load and a control unit for such a system
06/02/2005US20050116748 Driver circuit for controlling a resonant converter
06/02/2005US20050116698 Digital control of switching voltage regulators
06/02/2005US20050116697 Method and apparatus for power supply controlling capable of effectively controlling switching operations
06/02/2005US20050116695 Power supply device
06/02/2005US20050116694 Circuit arrangement with power factor correction as well as a corresponding appliance
06/02/2005US20050116693 Inrush current prevention circuit for DC-DC converter
06/02/2005US20050116692 Method and apparatus for power supplying capable of effectively eliminating overshoot voltage
06/02/2005US20050116679 Apparatus for drive control, power conversion, and start-up control in a PMBDCM or two-phase SRM drive system
06/01/2005EP1536549A2 Power supply device
06/01/2005EP1536548A1 Voltage conversion device, voltage conversion method, and computer-readable recording medium containing program for causing computer to execute voltage conversion control
06/01/2005EP1536123A1 Drive device for inductive electrical actuators
06/01/2005EP1535691A2 Portable welding-type apparatus with interchangeable energy storage device
06/01/2005EP1535497A1 Driver for a gas discharge lamp
06/01/2005EP1534381A1 Transmission of information from an implanted medical device
06/01/2005EP1433243B1 High voltage generator incorporated in an integrated circuit
06/01/2005CN2703359Y Switch power supply source module circuit
06/01/2005CN1623272A Ac-dc converter with low ripple output
06/01/2005CN1623269A Synthetic ripple regulator
06/01/2005CN1622439A Switching type power switching circuit and saturable transformer
06/01/2005CN1622438A 电源电路 Power circuit
06/01/2005CN1622437A Switching regulator
06/01/2005CN1622436A Panel built-in DC-DC converter
06/01/2005CN1622435A Power supply circuit including stably operating voltage regulators
06/01/2005CN1622434A Power supply management method and device
06/01/2005CN1621989A Corrugation lowering method for heavy duty pulse-frequency modulation type voltage regulator
06/01/2005CN1204740C Power source, and method for reducing power consumption in power source
05/2005
05/31/2005US6900997 Load matched alternator system with fault protection
05/31/2005US6900996 Method and apparatus for controlling a DC-DC converter
05/31/2005US6900995 PWM power converter controlled by transistion detection of a comparator error signal
05/31/2005US6900994 Power supply apparatus, switching power supply apparatus, and image forming apparatus
05/31/2005US6900643 Ride through in electronic power converters
05/31/2005US6900624 DC-DC converter with feed-forward and feedback control
05/31/2005US6900622 Method and apparatus for reducing audio noise in a switching regulator
05/31/2005US6900620 Switching regulator having two or more outputs
05/31/2005US6900599 Electronic dimming ballast for cold cathode fluorescent lamp
05/31/2005US6898942 Method and apparatus for conserving power consumed by a refrigerated appliance utilizing dispensing event data signals
05/26/2005WO2005048442A1 Optocouplerless switched mode power supply
05/26/2005WO2005048440A1 Voltage transformer and method for operating a voltage transformer
05/26/2005WO2005048439A1 Direct current converting apparatus
05/26/2005WO2005048438A1 Pfc-pwm controller having interleaved switching
05/26/2005WO2004098064A3 Power converter architecture and method for integrated fuel cell based power supplies
05/26/2005WO2004086463A3 High voltage offset detection circuit and method
05/26/2005US20050113981 Method for generating a reading signal of a sense element comprised into at least a phase of a multiphase controller
05/26/2005US20050111246 Multilevel converter based intelligent universal transformer
05/26/2005US20050111242 Power converter having improved control
05/26/2005US20050111160 Control circuit for driving an electric actuator, in particular an electric fuel injector for an internal-combustion engine
05/26/2005US20050111152 Circuit arrangement for momentarily maintaining an internal operating direct current voltage in the event of an interruption in the vehicle electrical system power supply voltage
05/26/2005US20050111149 Overcurrent protection device
05/26/2005US20050110898 Power supply for image-forming apparatuses having a power management function
05/26/2005US20050110561 Precision margining circuitry
05/26/2005US20050110560 Apparatus and method for stabilizing a boosted voltage, apparatus and method for generating a boosted voltage having the same
05/26/2005US20050110559 Charge pump with reduced noise
05/26/2005US20050110475 Adaptive delay control circuit for switched mode power supply
05/26/2005US20050110473 Switching signal modulation circuit
05/26/2005US20050110472 Multiphase DC-DC converter with reduced ripple
05/26/2005US20050110471 Single inductor dual output buck converter with frequency and time varying offset control
05/26/2005US20050110469 Power supply circuit
05/26/2005US20050110465 Cellular telephone charging circuit using dry battery
05/26/2005US20050110454 Methods and apparatuses for tracking maximum power point of solar electricity generating system
05/26/2005US20050110431 Low frequency inverter fed by a high frequency ac current source
05/25/2005EP1533902A1 Integrated circuit oscillator with improved frequency stability
05/25/2005EP1533886A2 Method for operating a step-up converter
05/25/2005EP1533882A2 Battery pack with integrated battery protection circuit
05/25/2005EP1532726A1 Switching controller
05/25/2005EP1532501A2 Output regulator
05/25/2005EP1152518B1 Dc-dc converter
05/25/2005DE10349196A1 Circuit arrangement for supplying voltage to electronic device has connection arrangement, switch, inductor, capacitor subjected to voltage when switch closed, whereby output voltage to electronic device generated, driver unit for switch
05/25/2005DE10349036A1 Elektronisches Vorschaltgerät mit Schutzschaltung für den Schalttransistor eines Wandlers Electronic ballast with a protective circuit for the switching transistor of a transducer
05/25/2005DE102004032465A1 Bootstrap-Kondensator-Ladeschaltung Bootstrap capacitor charging circuit
05/25/2005CN2702529Y Keying large-power switch power supply for ultrasonic crusher
05/25/2005CN2702527Y Reversed phase transfer circuit capable of preventing anti-driving
05/25/2005CN2702526Y Controller for DC/DC converter
05/25/2005CN1620747A DC/AC converter and its controller IC
05/25/2005CN1620746A Self-driven synchronous rectifier circuit for non-optimal reset secondary voltage
05/25/2005CN1619934A Integrated synchronous rectifier package
05/25/2005CN1619933A Cascadable current-mode regulator
05/25/2005CN1619932A Dc-dc变换器 Dc-dc converter
05/25/2005CN1619931A 电荷泵电路和放大器 The charge pump circuit and amplifier
05/25/2005CN1619451A Multifunction constant flow module used for high power LED
05/24/2005US6898497 Motor driving controller in electric power steering apparatus
05/24/2005US6898094 DC/DC bridge control unit for controlling a direct-current load
05/24/2005US6898093 Power conversion circuit with clamp and soft start
05/24/2005US6898091 Circuit configuration comprising a control loop
05/24/2005US6898090 Switching power supply unit and electronic apparatus using the same
05/24/2005US6897718 Low-loss magnetic powder core, and switching power supply, active filter, filter, and amplifying device using the same
05/24/2005US6897715 Multimode voltage regulator
05/24/2005US6897711 Voltage regulated transistor driver
05/24/2005US6897709 Charge pump regulator with load current control