Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems; Conversion of dc or ac input power into surge output power; Control or regulation thereof › H02M 3 - Conversion of dc power input into dc power output
Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
04/1999
04/29/1999DE19849018A1 Smoothing circuit for switching current supply, for charging battery
04/29/1999DE19845243A1 Procedure for controlling switch converter for charging accumulators with pulsed charging current
04/28/1999EP0852895B1 Fixed-cycle power-supply circuit with an at least temporarily active consumer-independent load
04/27/1999US5898581 Active snubber for buck-based converters and method of operation thereof
04/27/1999US5898580 Dc/dc converter with a protection circuit
04/27/1999US5898577 Wireless transmitter
04/27/1999US5898335 High voltage generator circuit
04/27/1999US5898329 Programmable pulse width modulation circuit
04/27/1999CA2151683C Redundant power mixing element with fault detection for dc- to-dc converter
04/22/1999WO1999019976A1 Method for controlling the switching behaviour of the actuator of a forward converter, and forward converter
04/22/1999WO1999019975A1 Ic for controlling dual interleaved dc/dc converters
04/22/1999WO1999019775A1 Watch provided with thermoelectric generation unit
04/22/1999WO1999019139A1 Bumped substrate assembly
04/22/1999WO1999007059A3 Multiresonant dc-dc converter with full-wave rectifying means
04/22/1999DE19837374A1 Reducing voltage break-ins to battery leads for use with pulse-width modulation control circuits in motor vehicles
04/21/1999EP0910168A1 Delta-sigma pulse width modulator
04/21/1999EP0910160A2 Switch mode power supply with reduced input current distorsion
04/21/1999EP0910159A2 Power supply control system
04/21/1999EP0910158A1 Step-up switching power supply
04/21/1999EP0910157A1 Step-up continuous mode DC-to-DC converter with integrated fuzzy logic current control
04/21/1999EP0909894A1 Drive circuit and method for driving a thrust engine of a spacecraft
04/21/1999EP0909478A1 Voltage multiplier with an output voltage practically independent of the supply voltage
04/21/1999CN1214811A Electronic switched-mode power supply and its use
04/21/1999CN1214810A Power supply circuit arrangement for electronic load circuit
04/20/1999US5896284 Switching power supply apparatus with a return circuit that provides a return energy to a load
04/20/1999US5896282 Inverter circuit and integrated uninterruptible power supply protection system
04/20/1999US5896279 Constant-voltage clamping forward conversion switching power supply
04/20/1999US5896278 Non-contact electric power transmission apparatus
04/20/1999US5895984 Circuit arrangement for feeding a pulse output stage
04/20/1999US5895983 Flash charging circuit
04/20/1999US5895982 Fully regulated power bus using multiple source bus regulators
04/15/1999DE19745008A1 Procedure for controlling switching ratio of final control element of forward DC converter with resonance- determining devices
04/14/1999EP0907998A1 Power pad/power delivery system
04/14/1999CN2314513Y Semi-bridge self exciting start exchangeable power supplier with overvoltage cut-off function
04/14/1999CN2314510Y Universal switching power source
04/14/1999CN1213835A Charge pump circuit
04/14/1999CN1042994C DC-DC covnerter circuit and inductive load driver using it
04/14/1999CA2249827A1 Magnetic component assembly
04/13/1999US5894243 Three-pin buck and four-pin boost converter having open loop output voltage control
04/13/1999US5894214 Dual-output boost converter having enhanced input operating range
04/13/1999US5894184 Drive circuit for driving a piezoelectric transformer capable of decreasing heat developed from electronic parts composing an inverter circuit
04/13/1999CA2167996C Switchmode power converter for telephone subscriber line interface circuits
04/13/1999CA2163848C Control of switching devices in synchronized-rectification system
04/08/1999WO1999005777A3 Device for direct current supply
04/08/1999DE19844132A1 Magnetic core for a saturable reactor used in a multiple output computer switch regulator
04/08/1999DE19743346A1 Clocked current regulation circuit for inductive load
04/07/1999EP0907237A2 Multiple output DC to DC converter
04/07/1999EP0907236A2 Switched series regulator
04/07/1999EP0906655A1 Current and voltage supply device for continuous voltage network
04/07/1999CN2313331Y Vehicle-carried VCD video-player
04/07/1999CN2313330Y Switch type and regulation type dc. voltage-stabilized source
04/06/1999US5892672 Low loss digitally controlled voltage converter
04/06/1999US5892671 Control circuit for a switching transistor using a tapped coil with oppositely wound coil parts
04/06/1999US5892670 Charge pump architecture
04/06/1999US5892665 Overcurrent protection circuit
04/06/1999US5892389 Method and circuit for current limiting of DC-DC regulators
04/06/1999US5892355 Current and voltage-sensing
04/06/1999US5892353 Power supply apparatus
04/06/1999US5892352 Synchronization of the switching action of hysteresis current controlled parallel connected power electronics systems
04/06/1999US5892351 DC-isolated converting battery module
04/06/1999US5892267 Multi-stage voltage-boosting circuit with boosted back-gate bias
04/03/1999CA2248662A1 Multiple output dc to dc converter
04/01/1999WO1999016166A1 Switched-mode power supply device with a starting circuit
04/01/1999DE19744202A1 Fly-back converter circuit esp. in current transformer device for electronic release circuit with switched-mode power supply (SMPS)
04/01/1999DE19742184A1 Getaktetes Stromversorgungsgerät mit Anlaufschaltung Pulsed power supply unit with soft-start circuit
04/01/1999DE19740932A1 Schaltungsanordnung zur Bestimmung der Ausgangsleistung eines Schaltnetzteils Circuit arrangement for determining the output power of a switched mode power supply
03/1999
03/31/1999EP0905972A2 Flyback transformer
03/31/1999EP0904619A1 Circuitry for voltage pole reversal
03/31/1999EP0904545A2 Current and voltage sensing
03/31/1999EP0819335A4 Regulated reference voltage circuit for flash memory device and other integrated circuit applications
03/31/1999CN1212497A Power converter having multiple output voltage capability and method of operation thereof
03/31/1999CN1212491A Semiconductor apparatus for use in low voltage power supply
03/30/1999US5889723 Standby voltage boosting stage and method for a memory device
03/30/1999US5889719 Semiconductor memory device
03/30/1999US5889664 Multiple level voltage generator for semiconductor memory device
03/30/1999US5889663 Circuit for balancing steady-state currents of switching devices in electric power converter
03/30/1999US5889428 Low loss, regulated charge pump with integrated ferroelectric capacitors
03/30/1999US5889427 Voltage step-up circuit
03/30/1999US5889392 Switch-mode regulators and methods providing transient response speed-up
03/30/1999US5889391 Power supply having combined regulator and pulsing circuits
03/30/1999US5889390 Circuit arrangement for converting a DC voltage into another DC voltage with simultaneous regulation of the emittable voltage at a predetermined value
03/30/1999US5889387 Battery charging unit
03/25/1999WO1999014845A1 Circuit for determining the output power of switched-mode power supply
03/25/1999WO1999014844A1 Process for optimising the performance of switching power packs and switching power pack for carrying out this process
03/24/1999EP0903840A2 Power converter having multiple output voltage capability and method of operation thereof
03/24/1999EP0903839A1 Voltage regulator
03/24/1999EP0903838A1 Switching current mode converter with reduced turn-on delay of power devices
03/24/1999EP0903005A2 Switched-mode power supply
03/24/1999EP0813751A4 Series capacitor charge pump
03/24/1999CN1212087A Ups卡 Ups Card
03/23/1999US5886887 Voltage multiplier with low threshold voltage sensitivity
03/23/1999US5886885 DC power unit and information processing apparatus with the DC power unit
03/23/1999US5886884 Passive ripple filter for zero voltage-zero current switched full-bridge DC/DC converters
03/23/1999US5886882 Push-pull DC-DC converter with transformer having multiple primary and secondary windings with diodes connected between them with MOSFET switching
03/23/1999US5886881 Single ended forward DC-to-DC converter providing enhanced resetting for synchronous rectification
03/23/1999US5886880 Power circuit for transferring energy by alternately switching winding circuits of a transformer at high speed
03/23/1999US5886566 High voltage charge transfer stage
03/23/1999US5886551 Charge pump circuit for use in a phase locked loop
03/23/1999US5886516 Series resonant converter transformer assembly having integral inductor tank elements
03/23/1999US5886514 Piezoelectric transformer driving curcuit and method capable of stabilizing load current
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