Optimization of a power converter employing an LLC converter

Self power source apparatus

Method and apparatus for simplifying the control of a switch

Switching power supply apparatus including simultanous control of multiple outputs

Resonant converter

Method and system for shoot-through protection

Layouts of multiple transformers and multiple rectifiers of interleaving converter

High efficiency switching method and apparatus for dynamically connecting or disconnecting mutually coupled inductive coils

Power converter using multiple phase-shifting quasi-resonant converters

POWER CONVERSION APPARATUS

High boost ratio DC converter

SWITCHING POWER SUPPLY DEVICE

Photovoltaic powered system

Charge balancing system

DC-DC converter circuit for high input-to-output voltage conversion

Method and apparatus for resonant converter control

Method and system for active resonant voltage switching

Three-phase power supply with three-phase three-level DC/DC converter

Soft switching DC/DC converters and methods

System and method for bootstrapping a switch driver

System and method for driving a cascode switch

Circuit for a resonant converter

System and method for digital control of a DC/DC power-converter device, in particular for automotive applications

FORWARD-FLYBACK POWER SUPPLY USING AN INDUCTOR IN THE TRANSFORMER PRIMARY AND METHOD OF USING SAME

DYNAMIC CONVERTER TOPOLOGY

Method and apparatus for simplifying the control of a switch

Sampled charge control for resonant converter

DC-DC converter and semiconductor chip

ISOLATED SWITCHING CONVERTER

Converter and converter control method

Power supply apparatus and method for a backlight system

Supply circuit having at least one switching unit coupled between a bridge circuit and an associated load circuit

Converter for supplying pulsed power to light source

Power converter for a power generator

Switched-mode power supply using ac-dc conversion having inverted control

High voltage power supply

Converter circuit and unit and system comprising such converter circuit

Semiconductor device

High voltage controller with improved monitoring and diagnostics

Multi-resonance power supply with an integral quality factor

Ground power unit for aircraft

Multiphase soft-switched DC-DC converter

Detecting device for the midpoint voltage of a transistor half bridge circuit

Resonant switching power supply device to reduce a frequency increase in light loads

Resonant switching power supply device which suppresses a switching frequency raised at the time of light load

POWER FACTOR IMPROVEMENT CIRCUIT

Resonant converter having over-current protection apparatus and controlling method thereof

Switching power supply

Method for controlling a switching device of a resonant power converter, especially in order to provide a required power, especially for an X-ray generator

INVERTER OUTPUT RECTIFIER CIRCUIT

Switching power supply unit

Power source apparatus with harmonic suppression

SOLAR POWER GENERATION SYSTEM INCLUDING WEATHERABLE UNITS INCLUDING PHOTOVOLTAIC MODULES AND ISOLATED POWER CONVERTERS

Resonant driver with low-voltage secondary side control for high power LED lighting

Method and circuit for avoiding hard switching in half bridge converters

Switching power supply unit

Power transmission control device, power transmission device, power reception control device, power reception device, electronic apparatus, and contactless power transmission system

Multiphase resonant DC/DC converter

Noncontact electric power transmission system

Switching power supply with plural resonant converters and variable frequency

Method for controlling resonant power converters in induction heating systems, and induction heating system for carrying out such method

Switching power supply device and switching power supply control circuit

Sine Wave Inverter

Insulation type AC-DC converter and LED DC power supply device using the same

Transformer With Center Tap Encompassing Primary Winding

Load current detection in electrical power converters

Transformer having resonant inductance

Switched mode power supply and method of production

Switching power supply device and method for adjusting dead time thereof

Phase shift full bridge converter with reduced current stress

Semiconductor Power Switch

Series resonant converter having a circuit configuration that prevents leading current

Resonant circuit and resonant power converter with a narrow operating frequency bandwidth

System and method for providing adaptive dead times

Circuit for adjusting the output voltage for a resonant DC/DC converter

DC conversion apparatus

Resonant converter

Switching power supply with pulse frequency modulation control

Motor control device

Secondary side-driven half-bridge power supply

Self-coupled transformer boostbuck circuit

Complex inductor and power supply unit

AUTOMATIC FREQUENCY CONTROL FOR SERIES RESONANT SWITCHED MODE POWER SUPPLY

Method and apparatus for simplifying the control of a switch

Industrial truck with a charger

Time-multiplexed-capacitor DC/DC converter with multiple outputs

Apparatus and method for high efficiency isolated power converter

POWER SUPPLY DEVICE AND POWER SUPPLY CONTROL METHOD

Power converter employing integrated magnetics with a current multiplier rectifier and method of operating the same

Switching sequence control method for a PS-ZVT bridge converter

DC-DC converter

Dynamic converter topology

Converter for an ion propulsion system

DC/DC converter

DC/DC converter

Amplifier with switchmode power supply

Resonant DC/DC converter with zero current switching

Device for feeding electrical energy from an energy source

DC-DC CONVERTER

Generation of auxiliary voltages in a ballast

Method modular power supply for x-ray tubes and method thereof

Self-excitation system

Power converter for led large area light source lamp

ASYMMETRICAL DIRECT CURRENT TO DIRECT CURRENT CONVERTER USING NAND GATE

Inverter employing a boost chopper circuit and a resonant converter circuit

Power outage detection in a switched mode power supply

CLAMP DIODE RESET IN A POWER CONVERTER

Resonant converter and burst mode starting method thereof

Active clamp resonance control

Synchronous voltage modulation circuit for resonant power converter

Highly efficient switching power converter using a charge pump to power the drive circuit

Zero voltage zero current switching converter

Half-bridge power converter system and method of operation

Transformer device utilizing an air gap for non-contact energy transmission from the primary side to the secondary side

Multi-MHz power converter

Non-contact power transmission device

Full-resonant power circuit device for receiving a variable input voltage

Wireless Powering Device, an Energiable Load, a Wireless System and a Method For a Wireless Energy Transfer

Resonant switching power source apparatus

Switching power supply unit and voltage detection circuit

Fixed Frequency Resonant Converter

In system analysis and compensation for a digital PWM controller

Apparatus for supplying energy to a load and a related system

DC-DC Converter

Switch mode power supply and a method for controlling such a power supply

Synchronous commutation DC-DC converter

Switching power supply device

Simple zero voltage switching full-bridge DC bus converters

DC high voltage to DC low voltage converter

Method and apparatus for simplifying the control of a switch

Chopper output stage for arc welder power source

DC voltage converter with soft switching

DC voltage converter with several isolated regulated outputs

Fixed frequency resonant converter

DC to DC transmission system

Passive power filter circuit

Power converter employing integrated magnetics with a current multiplier rectifier and method of operating the same

Multi-resonant dc-dc converter

Resonant DC-DC converter of multi-output type

Switching power source device of resonance type capable of controlling switching loss and noise

High-frequency power transformer

Power filter circuit

Switching power supply circuit

Push-pull inverter with snubber energy recovery

High frequency voltage regulating transformer based converter

Charging circuit applicable to uninterruptible power supply

Resonant converter with outputs of different polarities

Full bridge inverter with push/pull control chip

Circuit making use of push/pull-type control chip to drive half bridge-type inverter circuit

Resonance transducer

Self-drive for synchronous rectifiers

Point of load sine amplitude converters and methods

Automated portable and submersible ozone generator

Switching power supply with a snubber circuit

Soft switching converter using current shaping

Llc half-bridge converter

Arc welding set with power source and inverter

Welding set with quasi-resonant soft-switching inverter

Single stage AC/DC converter with piezo transformer

Zero voltage switching power conversion circuit

DC-DC converter having active transient response compensation circuit employing flyback inductor

DC—DC converters providing reduced deadtime

Method and apparatus for simplifying the control of a switch

Power supply apparatus for electric operation

Reduced component power converter with independent regulated outputs and method

Half bridge power supply with standby-mode power saving apparatus

DC-DC converter circuits and method for reducing DC bus capacitor current

Method and system of a power converter with secondary side active clamp

Full bridge power amplifier with coupled ZVS tanks for wireless power transfer

Integrated transformer

Method and apparatus for bi-directional switched mode power supply with fixed frequency operation

Automatically reconfigurable buck-boost DC-DC converter with shared capacitors

Full bridge power amplifier with coupled ZVS tanks for wireless power transfer

Resonant control device and resonant control method thereof

Power converter with extended hold-up time