Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
10/2002
10/08/2002US6462434 Power supply isolation circuit and method
10/03/2002WO2002078161A1 Switch-mode power supply with autonomous primary inverter
10/03/2002WO2002077740A1 Electronic ballast for cold cathode fluorescent lamp with dimming
10/03/2002WO2002077739A1 Electronic dimmable ballast for high intensity discharge lamp
10/03/2002WO2002077738A1 Single-stage pfc + ballast control circuit/general purpose power converter
10/03/2002WO2002065587A3 Circuit for coupling energy to a pulse forming network or capacitor
10/03/2002WO2002065225A3 Switching power supply
10/03/2002US20020144163 System and method for highly phased power regulation using adaptive compensation control
10/03/2002US20020141216 Multi-output power conversion circuit
10/03/2002US20020141214 Synchronous rectifiers
10/03/2002US20020141210 Switch mode power supply and method
10/03/2002US20020141209 Control circuit for synchronous rectifiers in DC/DC converters to reduce body diode conduction losses
10/03/2002US20020141208 Contactless power transmitting system and contactless charging system
10/03/2002US20020141206 Isolated drive circuitry used in switch-mode power converters
10/03/2002US20020141205 Switching power supply device
10/03/2002US20020141129 Electronic ballast for cold cathode fluorescent lamp with phase control dimming
10/03/2002US20020140538 Method of winding coil and transformer and inverter liquid crystal display having coil wound using the same
10/03/2002US20020140499 Voltage booster circuit apparatus
10/03/2002US20020140497 Voltage generating circuit and method
10/03/2002US20020140463 Programmable soft-start control for charge pump
10/03/2002US20020140410 Non-inverting dual voltage regulation set point power supply using a single inductor for restraint control module
10/03/2002US20020140408 Technique for limiting current through a reactive element in a voltage converter
10/03/2002US20020140317 Reduced component drive circuit
10/03/2002US20020139134 Refrigerated vending machine exploiting expanded temperature variance during power-conservation mode
10/02/2002EP1246353A2 Multi-output power conversion circuit
10/02/2002EP1246352A2 Inverter-type power supply apparatus
10/02/2002EP1246351A2 Circuit for obtaining a DC voltage
10/02/2002EP1245073A1 Charge pump system having multiple independently activated charge pumps and corresponding method
10/02/2002DE10112539A1 Schaltwandler und Verfahren zur Ansteuerung eines Schalters in einem Schaltwandler Switching converter and method for driving a switch in a switching converter
10/02/2002DE10112537A1 Verfahren zur Ansteuerung eines Schalters in einem Schaltnetzteil und Schaltnetzteil Method for actuating a switch in a switching power supply and switch mode power supply
10/02/2002DE10112414A1 Semiconductor circuit structure, has electronic component integrated in semiconductor body, casing with connection leg and semiconductor body inside and inductive/capacitive component
10/02/2002DE10112283A1 Circuit for producing clocked voltage higher than supply voltage has switch supplied with clock signal, output transistor with second clock signal, control switch with third clock signal
10/02/2002DE10112039A1 Providing supply voltage to load involves setting output currents of voltage supply modules depending on current measurement signal of one module selected as reference current signal
10/02/2002DE10111913A1 Schaltender Spannungsumformer A switching Power
10/02/2002CN2514546Y Flyback-type switch power
10/02/2002CN2514545Y Interchangeable power supply device
10/02/2002CN1372373A Switch mode power source
10/02/2002CN1372372A Driving circuit distribution for display unit with self-adaptive time sequence
10/02/2002CN1372176A Voltage output terminal direct paralleled current equalizing power supply circuit
10/01/2002US6460168 Method of designing power supply circuit and semiconductor chip
10/01/2002US6459602 DC-to-DC converter with improved transient response
10/01/2002US6459600 Method of connecting synchronous rectifier modules in parallel without output voltage faults
10/01/2002US6459595 Method and arrangement for regulating low output voltages in multiple output flyback DC/DC converters
10/01/2002US6459594 Switching power supply apparatus and method
10/01/2002US6459330 DC-DC voltage boosting method and power supply circuit using the same
10/01/2002US6459328 High speed voltage boosting circuit
10/01/2002US6459327 Feedback controlled substrate bias generator
10/01/2002US6459172 Power distribution with redundant circuitry for reliability
10/01/2002US6459171 Method and apparatus for sharing power
09/2002
09/26/2002WO2002075910A2 Vacuum arc method, system, and apparatus
09/26/2002WO2002075909A1 Multiple power supply, and method and apparatus for overcurrent protection of multiple power supply
09/26/2002WO2002075908A1 Dc-dc converter.
09/26/2002WO2002075779A2 Power supply with a reduced harmonic load on the mains system, and a corresponding appliance
09/26/2002WO2002075683A2 Control transducer and method for controlling a switch in a control transducer
09/26/2002WO2001065347B1 Haptic feedback gaming device with integral power supply
09/26/2002US20020136040 Switching voltage converter
09/26/2002US20020136039 Power supply apparatus
09/26/2002US20020136037 Load driving system and method thereof
09/26/2002US20020136035 Off-line converter with digital control
09/26/2002US20020136034 Clocked power supply
09/26/2002US20020136033 Switching power supply
09/26/2002US20020136032 Asymmetrical full bridge dc-to-dc converter
09/26/2002US20020136031 Switching power supply unit and electronic apparatus using the same
09/26/2002US20020136030 DC-DC converter and control circuit therefor
09/26/2002US20020136029 Low voltage, high current dc computer power system
09/26/2002US20020135416 Voltage supply circuit and method of controlling the same
09/26/2002US20020135398 Integrated circuit devices having power control logic that inhibits internal leakage current loss during sleep mode operation and method of operating same
09/26/2002US20020135345 Current mode DC/DC converter
09/26/2002US20020135344 Load driving system and method thereof
09/26/2002US20020135342 Switching power supply
09/26/2002US20020135341 Circuitry for improving the efficiency of a switching regulator by reducing reverse recovery current
09/26/2002US20020135338 Multiple phase switching regulators with stage shedding
09/26/2002US20020134999 Semiconductor device
09/26/2002DE10210278A1 Resonance current supply unit compares DC voltage corresponding to resonance voltage with reference voltage for controlling switching of switched circuit
09/26/2002DE10207134A1 Spannungserhöhungsschaltkreis für eine negative Spannung Voltage boosting circuit for a negative voltage
09/26/2002DE10205069A1 Multiphase circuit regulator for a current supply has single-phase circuit controls linked to an output and a comparator linked to a feedback loop to stop single-phase circuit control from feeding power after current load failure.
09/26/2002DE10107088A1 High frequency, voltage feedback control mode power converter generates clock signal by processing voltages received from power supply and output units, to control dead-time value of PWM controller
09/25/2002EP1244202A2 Semiconductor device
09/25/2002EP1243166A1 Flanged terminal pins for dc/dc converters
09/25/2002EP1243066A1 High-voltage transformer
09/25/2002EP1243065A1 Resonant gate drive for synchronous rectifiers
09/25/2002CN2513287Y Switch stable voltage power source
09/25/2002CN1371544A High frequency switch-mode dc powered computer system
09/25/2002CN1371543A Dynamically-switched power converter
09/25/2002CN1371160A Asymmetrical bridge type DC/DC converter
09/25/2002CN1371033A 电源电路 Power circuit
09/24/2002US6456541 Booster circuit for raising voltage by sequentially transferring charges from input terminals of booster units to output terminals thereof in response to clock signals having different phases
09/24/2002US6456514 Alternator jump charging system
09/24/2002US6456513 Voltage conversion circuit and control circuit therefor
09/24/2002US6456512 Method for pulse width modulation frequency correlation
09/24/2002US6456511 Start-up circuit for flyback converter having secondary pulse width modulation
09/24/2002US6456510 Unique method of reducing losses in circuits using V2 PWM control
09/24/2002US6456509 Power loss of switching power supply circuit for supplying constant voltage
09/24/2002US6456508 Drive apparatus for vibrating-type compressor
09/24/2002US6456154 Drive control circuit of charged pump circuit
09/24/2002US6456153 Method and apparatus for a regulated power supply including a charge pump with sampled feedback
09/24/2002US6456152 Charge pump with improved reliability
09/24/2002US6456151 Capacitive charge pump device and method for controlling the same
09/24/2002US6456107 CMOS-microprocessor chip and package anti-resonance method
09/24/2002US6456106 Method and circuit for detection of primary switches status in isolated DC/DC converters