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Switching parameter based discontinuous mode-critical conduction mode
An electronic system includes a controller to provide at least dual-mode conduction control of a switching power converter. In at least one embodiment, the...
Power supply device capable of varying switching frequency according to
A power supply device includes a power switch, a power delivering means configured to convert an input in accordance with switching operation of the power...
Method and apparatus of frequency modulation for power saving of adaptive
The present invention proposes a method for controlling an adaptive power converter. The method comprises: generating an output-sense signal by sampling a...
Enhanced power factor correction
A power converter is described that includes a switch. The power converter may also include a controller that controls the switch. The controller may be...
Circuit and method for producing an average output inductor current
In one implementation, a circuit for producing an average output inductor current indicator in a voltage converter is configured to start a counter when a high...
Output switching circuit
An output switching circuit includes a switching circuit having a first transistor connected to a high-voltage power supply, a second transistor connected to a...
Switched power stage and a method for controlling the latter
The disclosure relates to a method of generating an output voltage, comprising: generating a regulated output voltage from a high voltage source; providing an...
Control apparatus for voltage converting apparatus
A control apparatus (30) for a voltage converting apparatus controls a voltage converting apparatus (12) configured to realize one-arm drive by alternatively...
Power supply circuit and control method for the same
According to an embodiment, a power supply circuit is provided. The power supply circuit includes a switching transistor which is controlled to be ON/OFF by a...
Switch control circuit, switch control method and converter using the same
Provided is a switch control circuit for controlling a current control switch of a power supply, the power supply including a load, an inductor and the current...
Adjusting a current threshold of a power supply such that an output ripple
voltage is within a set range
In an embodiment, a power-supply controller includes switching circuitry and an adjuster circuit. The switching circuitry is configured to cause a charging...
Buck converter with III-nitride switch for substantially increased
input-to-output voltage ratio
According to one exemplary embodiment, a buck converter for converting a high voltage at an input of the buck converter to a low voltage at an output of the...
Charge-pump device with reduced cross-conduction losses
A charge-pump device receives two complementary driving signals and a DC signal that are applied to a charge-pump stage containing a full-wave rectifier bridge...
Charge pump circuit, integrated circuit, electronic device and method
A charge pump circuit for generating a negative voltage has: a clock generator arranged to output at least one clock signal; a switched capacitor voltage...
Charge pump with suppressed feedthrough effect
A charge pump circuit includes a capacitor, a current source circuit coupled to the capacitor for providing a charging current and a discharging current to the...
Negative reference voltage generating circuit
A negative reference voltage generating circuit includes a switched capacitor circuit having a capacitor connected to a first and a second nodes, a first and a...
Switched-capacitor converters with low-voltage gate drivers
An apparatus for converting voltage includes terminals coupled to external circuits at corresponding voltages and a switching network having driving circuits...
Method of reusing electrical energy and related electrical energy reusing
The present disclosure provides a method of reusing electrical energy for a charge pump. The method comprises operating in a reusing phase after a boosting...
A pumping circuit includes a charge pump configured to generate a pumping voltage based on a first voltage in response to an oscillation signal, and an...
Burst mode power supply method and burst mode power supply apparatus
A power supply apparatus (10) includes a voltage input side (102), a power switch circuit (104), a voltage output side (106) and a pulse width modulation signal...
Systems and methods for skewing DC/DC converter phases to mitigate spurs
A voltage converter system is disclosed. The system has a control unit, a multiphase converter, and a measuring unit. The control unit is configured to generate...
Switching power supply device, switching power supply control method and
Provided is a switching power supply device in a critical mode, including a load detection section that detects a load. When the detected load is lighter than a...
Power factor correction circuit and power supply circuit
Embodiments of the present application provide a power factor correction circuit and a power supply circuit. The power factor correction circuit includes a main...
Control circuit implementing a related method for controlling a switching
power factor corrector, a PFC and an...
A control circuit controls a switching power factor corrector based on switch off-time modulation by controlling the input electric charge during on-time. The...
Multi-level converter topology with the possibility of dynamically
connecting individual modules in series and...
The present invention describes an electrical converter system for power supply systems, comprising at least two identical individual modules connected...
Detection of islanding state in electricity network
An exemplary method for detecting a three-phase islanding state in a three-phase electricity network includes supplying power to a three-phase electricity...
Automatic short LED detection for light emitting diode (LED) array load
During a start-up phase, each corresponding test current is delivered to a corresponding chain of loads of a plurality of chain of loads. Each chain of loads is...
System and method for supplying power at startup
A system including a switch and a control circuit. The switch is configured to receive a first voltage. The control circuit is configured to, during a rising...
Configuration of semiconductor device supply voltage
A calibration process determines a desired supply voltage for operating an electronic device. During the calibration process automatic test equipment controls a...
Drive circuit and semiconductor device
Malfunction can be reliably avoided even when a signal that drives a high side power device is not normally transmitted in a level shift circuit. In a drive...
Signal transmission circuit and power conversion device equipped with same
A signal transmission circuit includes, in each of a first circuit connected to a first coil of an insulating transformer and a second circuit connected to a...
A covering is easily mounted and/or demounted to envelop an overall sliding device with onboard moving-magnet linear motor. The covering helps improved...
A multi-phase motor including a rotor and a stator including at least one core. The stator includes a plurality of phase sections. Each phase section is...
An electrical machine including a stator and a rotor rotatable relative to the stator with an air gap therebetween. The stator includes a first plurality of...
Method of manufacturing rotor for rotating electrical machine
A method of manufacturing a rotor for rotating electrical machines, notably an alternator, the rotor including two magnet wheels defining between them at least...
Stator of motor having bus-bar wiring structure and method of wiring coil
in parallel using the same
A stator of a motor having a bus-bar wiring structure according to the present invention includes: a stator core configured of a core base in which a plurality...
Method for producing stator pole teeth that are wound and connected to one
A method for producing stator pole teeth includes: arranging stator pole teeth to be wound in the form of a row, each of the stator pole teeth having at least...
Generator for vehicle
Provided is an AC generator for a vehicle, which is improved in heat-radiation performance and vibration resistance with a simple configuration. The AC...
Inverter module having trapezoidal shape for conversion of DC power to AC
Provided is an inverter module for use in an inverter-integrated motor, the inverter module being arranged at an axial end portion of a motor, the inverter...
Cooling structure for electric motor
A cooling structure for an electric motor includes: a motor case that houses a stator and a rotor therein, a groove opened on an end surface in an axis...
Component for an electric machine
An electric machine component includes a rotor assembly having a body provided with a number of pole members and a central hub. The body includes at least one...
Power generation systems and methods of generating power
A power generation system is provided that includes an internal combustion engine configured to provide rotational mechanical energy. A generator is configured...
Electric generator oil pump drive gear
A drive gear has a gear hub with a ledge. A plurality of gear teeth are formed at an outer periphery of the ledge, and centered about a central axis. A mount...
Electronically commutated electric motor and method for production thereof
An electronically commutated electric motor has an internal stator (18) and an external rotor (24). They are separated by an air gap (23). A circuit board (68)...
Connection terminal, connection terminal unit, and motor
An objective of the present invention is to provide a connection terminal in which the number of parts is reduced and a contact failure hardly occurs. A...
Method for manufacturing an armature core
A method for manufacturing a stator configured to ensure insulation properties between a conductor and an armature core while preventing a manufacturing cost...
Wrapped stator coil for use in a generator
A wrapped stator coil for use in a generator is provided comprising: an electrical conductor coil; an insulating layer structure disposed about the electrical...
Terminal for stator
The first extending portion 26 overlaps the second extending portion 27 in a radial direction at one part in the circumferential direction and overlaps the...
Three-phase AC motor
A plurality of coils C.sub.1 to C.sub.m that constitutes a whole winding L of each phase is divided into g coil groups G.sub.1 to G.sub.g for each phase. Each...
Hub shell for bicycle generator hub
A hub shell is used as a part of a bicycle generator hub. The hub shell comprises a main body and a magnet arrangement section. The main body has a tubular...