Patents for H02M 3 - Conversion of dc power input into dc power output (54,461)
08/2001
08/02/2001DE10101777A1 Einzelmodulsystem für elektrisches/elektronisches Gerät Single module system for electrical / electronic device
08/02/2001DE10004024A1 Schaltungsanordnung zum Betreiben von Leuchtdioden Circuit arrangement for operating light emitting diodes
08/02/2001DE10003730A1 Verfahren und Vorrichtung zur Regelung des Parallelbetriebes von Gleichspannungswandlern Method and apparatus for controlling the parallel operation of direct voltage transformers
08/02/2001DE10001866A1 Verfahren zum Steuern eines Schaltnetzteiles sowie Schaltnetzteil A method for controlling a switching power supply and switching power supply
08/01/2001EP1120897A2 Independent load sharing between parallel inverter units in an AC power system
08/01/2001EP1120896A2 Resonant power converter
08/01/2001EP1120894A2 Power supply with synchronized power on transition
08/01/2001EP1120893A2 Switching power supply
08/01/2001EP1120892A2 Switching power supply unit
08/01/2001EP1120891A2 Switching power supply apparatus
08/01/2001EP1120880A2 Power supply circuit
08/01/2001EP1119898A1 Switching power converter
08/01/2001EP1119897A1 Device for generating an adjustment signal for a d.c. converter
08/01/2001EP1119876A2 Switching transistor with reduced switching losses
08/01/2001EP0929934A4 Merged transconductance amplifier
08/01/2001EP0763277B1 Circuit arrangement
08/01/2001EP0700598B1 Negative voltage generator for flash eprom design
08/01/2001CN2441260Y Power supply module for power system
08/01/2001CN1306385A Single module system for electrical and electronic device
08/01/2001CN1306334A Power supply with elastically adjustable DC output voltage
08/01/2001CN1305912A Mains circuit
07/2001
07/31/2001US6269012 Energy efficient power supply with light-load detection
07/31/2001US6268762 Output stage for a charge pump and a charge pump made thereby
07/31/2001US6268761 Booster circuit
07/31/2001US6268716 Digital voltage regulator using current control
07/31/2001US6268666 Bi-directional power conversion apparatus for combination of energy sources
07/26/2001WO2001054260A1 Switching power supply with storage capacitance and power regulation
07/26/2001WO2001054257A1 Power supply and electronic device using power supply
07/26/2001WO2001053030A1 Method for regulating and/or controlling a welding current source with a resonance circuit
07/26/2001WO2001052619A2 Load matched alternator system
07/26/2001US20010009518 High voltage boosted word line supply charge pump and regulator for dram
07/26/2001US20010009517 Method for switching off a switched-mode power supply in the event of short-circuit, and a switched- mode power supply
07/26/2001US20010009516 Active clamp forward converter
07/26/2001DE10036626A1 Stromversorgung zum Umwandeln einer oszillierenden EIngangsspannung in eine konstante Ausgangsspannung Power supply for converting an oscillating input voltage into a constant output voltage
07/26/2001DE10001394A1 Circuit for applying clocked supply voltage to load requires no auxiliary winding, discrete components; very small power losses arise in applying supply voltage - has switch connected between load and control circuit's first voltage supply connection with control connection to which drive signal is applied
07/26/2001CA2393229A1 Load matched alternator system
07/25/2001EP1118150A1 A resonant mode power supply having over-power and over-current protection
07/25/2001EP1118149A1 A dc/dc up/down converter
07/25/2001CN1305131A Switch voltage stabilizer controlling circuit capable of avoiding damage of switch element
07/25/2001CN1068996C Switching power source
07/25/2001CN1068995C Power source apparatus
07/24/2001US6266277 Apparatus and method for programming voltage protection in a non-volatile memory system
07/24/2001US6266261 DC power adapter system
07/24/2001US6266257 Power convertor with low loss switching
07/24/2001US6266256 Circuit for correcting the power factor
07/24/2001US6266255 Efficient power supply with small transformers
07/24/2001US6266254 Switching power circuit
07/24/2001US6265932 Substrate control voltage circuit of a semiconductor memory
07/24/2001US6265855 Coordinated switching in a multiple switching regulator system to lower peak current load
07/24/2001US6265854 DC/DC converter with battery low indicator
07/24/2001US6265853 Power source unit for transferring energy between power sources that power an electric vehicle
07/24/2001CA2216891C Mos charge pump generation and regulation method and apparatus
07/19/2001WO2001052398A1 Charge pump circuit
07/19/2001WO2001052397A1 Method and apparatus for stabilization and minimization of losses of a series connection of dc/dc-converters connected to the output-side partial voltages of a three-level pwm rectifier system
07/19/2001WO2001052396A2 Circuit arrangement for applying a supply voltage to a load
07/19/2001WO2001052395A1 Method and apparatus for driving switching elements of current-controlled power conversion device
07/19/2001WO2001052394A2 Self-driven synchronous rectification circuit for low output voltage dc-dc converters
07/19/2001WO2001006211A3 Flyback power supply prompt gamma protection apparatus
07/19/2001US20010008483 Single module system for electric/electronic appliance
07/19/2001DE19961541A1 Hochspannungswandler High voltage transformer
07/19/2001DE10001809A1 Universal power stage produces same output parameter for load connected to output connection for different values of input parameter using stored operating parameter values
07/18/2001CN1304578A Switching power supply circuit
07/18/2001CN1304206A Switched power supply device with zero-potential switching control function
07/18/2001CN1304205A Electric source switch appliance
07/17/2001US6263192 Methods and apparatus for DC-DC converter synchronization in a mobile DC-powered device
07/17/2001US6262903 Direct-current power supply circuit having control sections with at least one control section having priority over another control section
07/17/2001US6262901 Adjustable DC-to-DC converter with synchronous rectification and digital current sharing
07/17/2001US6262898 Circuit for driving a switching transistor
07/17/2001US6262897 Switching power circuit with secondary side parallel and series resonance
07/17/2001US6262566 DC-to-DC controller having a multi-phase synchronous buck regulator
07/12/2001WO2001050586A1 Thermoelectric system
07/12/2001WO2001050582A1 Remote sensing by high-order filtering
07/12/2001WO2001050581A1 Self-driving circuit for a dc/dc converter
07/12/2001US20010007530 Switching power supply unit
07/12/2001US20010007529 Switching power supply
07/12/2001US20010007432 Charge pump circuit
07/12/2001US20010007417 Power supply apparatus with chargeable battery and charge/discharge method
07/12/2001DE19959837A1 Current supply device, e.g. network device, fuel cell, solar cell or battery, to supply electric device has component to determine output voltage required by device integrated in device or adapter
07/12/2001DE19949782C1 Phase-locked-loop circuit has charge pumping mechanism controlled by phase error, low-pass filter and inverter stage bias voltage generator between latter and voltage-controlled ring oscillator
07/12/2001DE10060646A1 Data communications system has power conversion master or main control circuit feeding series of conversion slave/auxiliary control circuits, with one slave passing signal to main circuit
07/12/2001DE10060429A1 Power transmitter; has control circuit to transmit n instruction signals to n power converter circuits, which are driven to transfer n pulse width modulated signals out of phase by 360/n degrees
07/11/2001WO2001003277A2 Control of dc/dc converters having synchronous rectifiers
07/11/2001EP1115195A1 Self-driven synchronous rectifier
07/11/2001EP1114517A1 Method and arrangement for adjusting output power of a transmitter power supply
07/11/2001EP1114507A1 Circuit and method for automatic rectification in converters
07/11/2001EP1114506A1 Switched mode power supply
07/11/2001EP1114505A1 Switched-mode power supply
07/11/2001EP1113900A1 Generator for arc welding machines
07/11/2001EP1088376A4 Magnetic modulator voltage and temperature timing compensation circuit
07/11/2001CN1303034A High-reliability DC power supply repaining device
07/11/2001CA2378666A1 Control of dc/dc converters having synchronous rectifiers
07/10/2001US6259618 Power chip set for a switching mode power supply having a device for providing a drive signal to a control unit upon startup
07/10/2001US6259614 Power factor correction control circuit
07/10/2001US6259612 Semiconductor device
07/10/2001US6259310 Apparatus and method for a variable negative substrate bias generator
07/10/2001US6259236 Chopper type switching power supply
07/10/2001US6259235 Active clamp for power converter and method of operation thereof
07/10/2001US6259234 Converter module for an electrical power supply and a system including it
07/05/2001WO2001048905A2 Variable frequency electric signal generator, automatic control and low cost computing means
07/05/2001WO2001048902A1 Self-driving circuit for a dc/dc converter