Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
03/2004
03/25/2004US20040057256 Method for operating a switch in a free-running switch mode power supply, and a drive circuit for a switch in a free-running switch mode power supply
03/25/2004US20040056707 Efficient charge pump capable of high voltage operation
03/25/2004US20040056704 Apparatus for supplying high voltages with low power for solid state detectors and grids
03/25/2004US20040056683 Circuit for a lossless capacitive pump
03/25/2004US20040056644 Current sense apparatus and method using a combination of a simulation and a real sense for a switching mode power converter
03/25/2004US20040056642 Oscillatorless dc-dc power converter
03/25/2004US20040056534 Planar DC-DC converter for multi-volt electrical applications
03/25/2004US20040055963 Power generation circuit, display apparatus, and cellular terminal apparatus
03/25/2004DE10339025A1 Electrical supply system for outputting voltage to load has d.c. current converter with controlled switch elements and series regulator for outputting voltage to load lower than input voltage
03/25/2004DE10242791A1 Determining mean current through electromagnetic final control element involves measuring current in measurement resistance during PWM switching signal on period and applying correction factor
03/25/2004DE10239047A1 Controlling at least two inverters with common intermediate circuit involves exchanging control and/or information signals between inverters via intermediate circuit rail system for inverters
03/25/2004DE10237779A1 Converter for motor vehicle with at least one electrical energy supply and load, produces two variable input voltages with phase shift so current peaks on constant input voltage side are phase shifted
03/25/2004CA2497616A1 Dac-based voltage regulator for flash memory array
03/24/2004EP1401090A1 Polarity inversion circuit for pulsating DC power supply
03/24/2004EP1399759A1 Dc/dc converter
03/24/2004EP0671078B1 Photoelectric switch
03/24/2004CN1484368A Power souree supply device and method thereof
03/24/2004CN1484366A Electric charge pump type boosted circuit
03/24/2004CN1484355A High-efficient UPS
03/24/2004CN1143425C Semiconductor device of integrated circuit having ac-dc voltage converter
03/23/2004US6711533 Method for controlling a double-resonance generator
03/23/2004US6711039 Method and apparatus for controlling synchronous rectifiers of a power converter
03/23/2004US6711035 Switching power supply
03/23/2004US6711034 DC-DC converter and a regulation method for this DC-DC converter
03/23/2004US6710698 Semiconductor fuse for electrical consumers
03/23/2004US6710585 Linear regulator with charge pump
03/23/2004US6710582 DC-DC converter and electronic device using the same
03/23/2004US6710441 Power semiconductor switching devices, power converters, integrated circuit assemblies, integrated circuitry, power current switching methods, methods of forming a power semiconductor switching device, power conversion methods, power semiconductor switching device packaging methods, and methods of forming a power transistor
03/19/2004CA2404185A1 Circuit for a lossless capacitive pump
03/18/2004WO2004023636A1 Apparatus and method for charging and discharging a capacitor to a predetermined setpoint
03/18/2004WO2004023635A1 Apparatus and method for charging and discharging a capacitor
03/18/2004WO2004023634A1 Switching power source device
03/18/2004WO2004023633A1 Dc-dc converter
03/18/2004WO2004023632A1 Device and method for switching currents in a stator winding of a generator/electric motor combination
03/18/2004WO2004023231A1 Modular charge pump architecture
03/18/2004WO2002095913A3 Power systems power circuits and components for power systems
03/18/2004US20040052100 Synchronous rectifier
03/18/2004US20040052098 Digital voltage regulator using current control
03/18/2004US20040052095 Methods for digital regulation of power converters using primary-only feedback
03/18/2004US20040052094 Power converter employing switched split transformer primary
03/18/2004US20040052093 Power supply and power supply control device for an electronic equipment having a key off function
03/18/2004US20040052092 Switching power supply circuit and electronic device
03/18/2004US20040051628 Method and device for non-contact energy transmission
03/18/2004US20040051568 Transistor output circuit, semiconductor device including transistor output circuit, and switching electric power unit having transistor output circuit
03/18/2004US20040051510 Digital controller for DC-DC switching converters
03/18/2004US20040051509 Power supply apparatus varing an output constant voltage in response to a load requirement
03/18/2004US20040051479 Supply circuit, in particular for a discharge lamp
03/18/2004US20040051397 Intelligent power distribution system with a selectable output voltage
03/18/2004US20040051385 Energy control circuit and method of SMPS (switching mode power supply) for PDP (plasma display panel)
03/18/2004US20040051382 Method and circuits for inductive DC converters with current regulated output
03/18/2004DE10336474A1 Antriebs-Energieversorgungsvorrichtung Drive power supply device
03/18/2004DE10241304A1 Betriebsschaltung mit verbesserter Leistungsversorgung einer Treiberschaltung Operating circuit with improved power supply of a driver circuit
03/18/2004CA2497521A1 Modular charge pump architecture
03/18/2004CA2495486A1 Apparatus and method for charging and discharging a capacitor to a predetermined setpoint
03/17/2004EP1398866A1 Charge pump with charge injection
03/17/2004EP1397857A2 Circuit configuration comprising a control loop
03/17/2004EP1397856A1 A high voltage converter system
03/17/2004EP1397855A2 Power converter and method for power conversion
03/17/2004EP1224717A4 High pulse rate pulse power system with fast rise time and low leakage current
03/17/2004EP1155492B1 Converter with resonant circuit elements
03/17/2004EP0929934B1 Merged transconductance amplifier
03/17/2004CN1483237A Circuit arrangement comprising a power supply unit
03/17/2004CN1483236A Step-down converter
03/17/2004CN1482727A D.C.-D.C. converter
03/17/2004CN1482726A Switching power supply unit
03/17/2004CN1482725A High-frequency pwm voltage control
03/16/2004US6707703 Negative voltage generating circuit
03/16/2004US6707690 Power converter employing switched split transformer primary
03/16/2004US6707650 Self-synchronized synchronous rectifier
03/16/2004US6707335 Control method of charge-pump circuit
03/16/2004US6707285 Phase-controlled AC-DC power converter
03/16/2004US6707284 Programmable power supply
03/16/2004US6707283 Primary side sensing circuit for producing a secondary side constant current, constant voltage output
03/16/2004US6707282 Switched control of inductor ringing for a boost switched power supply
03/16/2004US6707281 Method and apparatus for operating a voltage regulator based on inductor current detection
03/16/2004US6707271 Power supply apparatus with chargeable battery and charge/discharge method
03/11/2004WO2004021554A1 Switching power supply
03/11/2004WO2004021553A1 Voltage doubler circuit
03/11/2004WO2004021537A2 Stepped voltage controller for ceramic oxygen generating systems
03/11/2004WO2004004104A3 Dc-dc converter
03/11/2004US20040047164 Isolated drive circuitry used in switch-mode power converters
03/11/2004US20040046683 DC stabilized power supply
03/11/2004US20040046681 Dac-based voltage regulator for flash memory array
03/11/2004US20040046603 Modular charge pump architecture
03/11/2004US20040046543 Apparatus for and method of measuring power consumption
03/11/2004US20040046536 PWM control circuit for the post-adjustment of multi-output switching power supplies
03/11/2004US20040046535 System and method for current handling in a digitally-controlled power converter
03/11/2004US20040046534 Reduction of external component count in variable voltage integrated dc/dc converter
03/11/2004US20040046533 Method and apparatus for reducing audio noise in a switching regulator
03/11/2004US20040046527 Apparatus and method for charging and discharging a capacitor to a predetermined setpoint
03/11/2004US20040046457 Circuit arrangement comprising a power supply unit
03/11/2004US20040045160 Methods for trimming electrical parameters in an electrical circuit
03/11/2004DE10336512A1 Ansteuerungsvorrichtung für eine PWM-Steuerung von zwei induktiven Lasten mit reduzierter Erzeugung von elektrischen Störungen A driving device of a PWM control of two inductive loads with reduced generation of electrical interference
03/11/2004DE10240425A1 Switching transformer for a combinational circuit part supplies voltage for a load in a normal operating state and in a standby operation
03/10/2004EP1396937A2 Circuit for operating a driving circuit with improved power supply
03/10/2004EP1396926A1 DC-DC converter with active clamp circuit
03/10/2004EP1396728A2 Device for measuring a power consumption
03/10/2004EP1396144A1 Imaging device and method for controlling same
03/10/2004EP1396071A2 Switching converter
03/10/2004EP1396069A2 Circuit arrangement for controlling a power supplied to a load