Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
10/2005
10/18/2005US6957017 Capacitor strobe charging device utilizing current detection to determine malfunction, and strobe and camera using same
10/18/2005US6956754 Switching power supply using controlled negative feedback in series with a switching device and responsive to the voltage and/or current to a load
10/18/2005US6956753 Method and system for providing a temperature compensated feedback signal
10/18/2005US6956752 Power supply architecture with controlled power-on and power-off sequence
10/18/2005US6956750 Power converter controller having event generator for detection of events and generation of digital error
10/18/2005US6956749 Switching power supply circuit
10/18/2005US6956748 Switching power supply apparatus
10/18/2005US6956403 Output drive comprising an improved control circuit
10/18/2005US6956361 DC/DC converter employing synchronous rectification
10/18/2005US6956360 Switching power supply controller and switching power supply
10/18/2005US6956359 Synchronous rectification for low voltage motor drive
10/18/2005US6956349 Motor drive apparatus
10/18/2005US6956336 Single chip ballast control with power factor correction
10/13/2005WO2005096486A1 High-voltage pulse generating circuit
10/13/2005WO2005096483A1 Power-mode control circuitry for power converters
10/13/2005WO2005096482A1 Voltage transformer circuit comprising an electromechanical contact element
10/13/2005WO2005096481A1 Parallel arranged power supplies
10/13/2005WO2005096480A1 Power supply and display
10/13/2005WO2005094523A2 Switched-capacitor power supply system and method
10/13/2005WO2005067382A3 Isolator for controlled power supply
10/13/2005US20050227627 Programmable radio transceiver
10/13/2005US20050226019 Methods and devices for low noise current source with dynamic power distribution
10/13/2005US20050226013 System and method for providing and receiving electric power through telephone wire-pairs
10/13/2005US20050226012 Soft-switched power converters
10/13/2005US20050226010 Circuit arrangement for a resonant converter and method of operating said converter
10/13/2005US20050226009 Soft switching converter using current shaping
10/13/2005US20050226008 Power source apparatus
10/13/2005US20050225383 Binary frequency-shift keying demodulator and frequency-to-voltage converter
10/13/2005US20050225377 Boost circuit and semiconductor integrated circuit
10/13/2005US20050225360 Voltage detection circuit, power supply unit and semiconductor device
10/13/2005US20050225351 Method for detecting a power load of a power supply module according to duty cycle detection, and related device
10/13/2005US20050225307 Current sensing circuit for a multi-phase DC-DC converter
10/13/2005US20050225259 LED buck regulator control IC
10/13/2005US20050225178 Switching power supply apparatus
10/13/2005US20050225176 Time delay control scheme for a power supply with multiple outputs
10/13/2005DE202005011950U1 Electronic lamp ballast device e.g. for building lighting management system, uses heating circuit as voltage supply for external terminal
10/13/2005DE19851248B4 Steuerschaltungs-Leistungsversorgungsschaltung und Leistungsversorgungsschaltung mit einer solchen Schaltung Control circuit power supply circuit and power supply circuit with such a circuit
10/13/2005DE102004015004A1 Anordnung mit zumindest einer elektrischen Spannungsquelle und einer ersten Spannungswandlerschaltung Arrangement with at least an electrical voltage source and a first voltage converter circuit
10/13/2005DE102004014206A1 Power supply device for a chip card has at least two power stores of which at least one has a device for increasing its output potential
10/13/2005DE102004014192A1 Electrical power controller to supply LED lighting elements uses active measurement of supply current used by a controller
10/13/2005DE102004013108A1 Verfahren zum Betreiben einer Versorgungseinheit für eine Treiberschaltung sowie Versorgungseinheit für eine Treiberschaltung A method for operating a supply unit for a driver circuit and supply unit for a driver circuit
10/12/2005EP1585360A1 Power supply of phantom power supplied microphones
10/12/2005EP1508078A4 Voltage regulator with dynamically boosted bias current
10/12/2005CN2733736Y DC power supply for household appliances
10/12/2005CN2733714Y Separate type power supply changeover device
10/12/2005CN1681192A Method of switching a power supply of voltage domains of a semiconductor circuit, and corresponding semiconductor circuit
10/12/2005CN1681191A Boost circuit and semiconductor integrated circuit
10/12/2005CN1681190A Circuit of reverse-flow circuit with power factor correct
10/12/2005CN1680901A Electronic device and its control
10/12/2005CN1223073C Power resource with synchronous power conversion
10/12/2005CN1223065C Method and device for regulating the parallel operation of DC converters
10/11/2005US6954386 Boosted potential generation circuit and control method
10/11/2005US6954367 Soft-switching power converter
10/11/2005US6954365 Replenishing power supply system
10/11/2005US6954101 Potential detector and semiconductor integrated circuit
10/11/2005US6954057 Method and apparatus providing final test and trimming for a power supply controller
10/11/2005US6954056 Switching power supply unit and controller IC thereof
10/11/2005US6954055 Switching device driving apparatus and DC/DC converter incorporating the same
10/11/2005US6954054 Total feed forward switching power supply control
10/06/2005WO2005093936A1 Power supply controller method and structure
10/06/2005WO2005093935A1 Switching power supply unit
10/06/2005WO2005093934A1 Method for operating a supply unit for a driver circuit, and supply unit for a driver circuit
10/06/2005WO2005062777A3 Digital control circuit for switching power supply with pattern generator
10/06/2005WO2005043267A3 Low noise charge pump method and apparatus
10/06/2005US20050219926 Real current sense apparatus for a DC-to-DC converter
10/06/2005US20050219902 Voltage booster
10/06/2005US20050219883 Dynamically optimized power converter
10/06/2005US20050219878 Boost circuit capable of step-up ratio control
10/06/2005US20050219877 DC-DC converter
10/06/2005US20050219876 Closed-loop high voltage booster
10/06/2005US20050219875 Control circuit for switching power supply
10/06/2005US20050219873 Flyback converter
10/06/2005US20050219872 Power factor correction control methods and apparatus
10/06/2005US20050219871 Piecewise on-time modulation apparatus and method for a power factor corrector
10/06/2005US20050219870 Power-mode control circuitry for power converters
10/06/2005US20050219869 Power factor correction circuit
10/06/2005US20050219868 Power supply outputting multiple voltages
10/06/2005US20050219867 Thermal distribution system for voltage regulator
10/06/2005US20050219866 Switching power source apparatus
10/06/2005US20050219865 Voltage regulator current sensing
10/06/2005US20050219864 Power source apparatus
10/06/2005US20050219863 Dc/ac converter and its controller ic
10/06/2005US20050219862 Step-down DC-DC converter
10/06/2005US20050219776 Semiconductor device for controlling switching power supply
10/06/2005US20050219031 Method for RIAA correction of audio signal with use of transformer
10/06/2005US20050218966 Booster circuit
10/06/2005US20050218963 Method of forming a self-gated transistor and structure therefor
10/06/2005US20050218942 Semiconductor device for controlling switching power supply
10/06/2005US20050218878 Enabling circuit for avoiding negative voltage transients
10/06/2005US20050218877 Current mode switching regulator with predetermined on time
10/06/2005US20050218876 Reversible buck-boost chopper circuit, and inverter circuit with the same
10/06/2005US20050218874 Switch mode power converter
10/06/2005US20050218873 Switching regulator with reduced conducted emissions
10/06/2005US20050218870 Power control methods and apparatus
10/06/2005US20050218838 LED-based lighting network power control methods and apparatus
10/06/2005US20050218832 Capacitor charging circuit and strobe apparatus comprising same
10/06/2005US20050218828 Converter circuit with coupled inductances
10/06/2005US20050218489 Semiconductor device
10/06/2005DE102005012637A1 Elektrische Energieversorgungsvorrichtung mit Eingangsschalterkreis Electrical power supply device with input switching circuit
10/06/2005DE102005012592A1 Leistungselektronikschaltung mit Spannungsregler für elektromechanischen Ventilstellantrieb einer Brennkraftmaschine Power electronics circuit with voltage regulator for electromechanical valve actuator of an internal combustion engine