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Patent # Description
US-9,893,649 Three wire DC transmission circuit with modulated pole
The method of converting high voltage AC lines into bipolar high voltage DC systems makes use of the three transmission lines (referred to as the positive pole,...
US-9,893,648 Power converting device, and power conditioner using same
A controller switches between modes each having a different connection state of a DC power supply and the capacitor with respect to first and second output...
US-9,893,647 Resonant inverter and switching power source unit
A resonance inverter includes a first coil provided between an input terminal and a switch element, a first capacitor provided between the drain and the source...
US-9,893,646 System for a low profile, low inductance power switching module
A method and system for a power module device is provided. The device includes a base, a circuit board including a plurality of gated switches formed of a...
US-9,893,645 Method for operating an active rectifier, circuit system, and computer program for controlling a switching...
A method for operating an active rectifier including a multitude of controllable semiconductor switching elements, in which a switch is carried out between a...
US-9,893,644 Electric power devices with automatically established input voltage connection configuration
Electric power devices and control methods are provided which automatically select a line voltage or phase voltage of an AC voltage supply. The electric power...
US-9,893,643 Semiconductor module, semiconductor device, and electric power device
In a semiconductor module, at least one snubber circuit module is attachable/detachable to/from an interior communicated with a snubber-circuit-connecting...
US-9,893,642 Power module
A power module includes a multilayer circuit board, and first and second three-phase inverters, which are mounted on the multilayer circuit board to be stacked...
US-9,893,641 Three-phase inverter module
In an upper phase module 2, a second electrode terminal 24V is located at a center C1 of the upper phase module 2, and a first electrode terminal 24U and a...
US-9,893,640 Methods and apparatus for supplying three phase power
Converting a single phase power supply source into a three phase power supply source is carried out by using the single phase power supply source as a first...
US-9,893,639 Synchronous rectifier control circuit and method using volt-second balancing
A synchronous rectifier control circuit and the control method thereof for controlling a switching power supply which includes a transformer, a first switch...
US-9,893,638 Switched mode power supplies with adaptive reference voltage for controlling output transistor
Switched mode power supply (SMPS) with adaptive reference voltage for controlling an output transistor and method of operating the SMPS are described. The...
US-9,893,637 Switched-mode converter and method for converting electrical energy
There are large amounts of switched-mode power supplies used for supplying energy for electrical devices. This brings the need to improve the efficiency of the...
US-9,893,636 Systems and methods of operation for power converters having series-parallel mode active clamps
Systems and methods for operating improved flyback converters are disclosed, in which leakage energy is returned to the input power source rather than to the...
US-9,893,634 Hybrid control technique for power converters
A power conversion circuit includes a high-side MOSFET and a low-side MOSFET. A conduction terminal of the high-side MOSFET is coupled to a conduction terminal...
US-9,893,633 Modular multilevel DC-DC converter and associated method of use
In one embodiment, a current-fed modular multilevel dual active-bridge DC-DC converter suitable for medium voltage direct current (MVDC) grid or high voltage...
US-9,893,632 Electrical circuit for delivering power to consumer electronic devices
An electrical circuit for providing electrical power for use in powering electronic devices, such as monitors, televisions, white goods, data centers, and...
US-9,893,631 Non-isolated DC-DC conversion circuit configured for capacitive and magnetic power transfer
A power transfer system includes DC-DC power conversion circuitry that has a first switch and a second switch on either side of a transformer connected via a...
US-9,893,630 Reduction of audible noise in a power converter
A power converter controller includes a drive circuit that generates a drive signal to switch a power switch to control a transfer of energy to an output of the...
US-9,893,629 Control method for switching power supply circuit and power supply device
A control method for a switching power supply circuit, the control method causing a processor to execute a process, the process includes: calculating a...
US-9,893,628 AC-DC power converters with improved voltage output level transitions
This disclosure relates to power converters that are capable of providing smooth transitions between multiple output voltage levels. The converter's output may...
US-9,893,627 Current controlled resonant tank circuit
A cascade power system includes a non-isolated buck converter in cascade with an isolated Class-E resonant circuit, where the Class-E resonant circuit operates...
US-9,893,626 Switching mode power supply with selectable constant-voltage constant-current control
A switch mode power supply (SMPS) has a primary-side controller configured to control a power switch for turning on and turning off a current flow in the...
US-9,893,625 Direct current to direct current power supply apparatus
Disclosed herein is a DC/DC power supply apparatus, which includes a plurality of power boards, a control board and a main board. The plurality of power boards...
US-9,893,624 Power supply unit having heat dissipation structure
A power supply unit includes: a transformer; a primary component that constitutes a primary circuit connected to the transformer; a secondary component that...
US-9,893,623 Windowless H-bridge buck-boost switching converter
A "windowless" H-bridge buck-boost switching converter includes a regulation circuit with an error amplifier which produces a `comp` signal, a comparison...
US-9,893,622 Multi-level step-up converter topologies, control and soft start systems and methods
A multi-level, step-up converter circuit includes an inductor including one terminal in communication with an input voltage supply. N transistor pairs are...
US-9,893,621 Power converter with predictive pulse width modulator control
Various methods and devices that involve control circuits for power converters are disclosed. One method comprises controlling a switch using a control signal...
US-9,893,620 Control apparatus and control method for DC/DC converter capable of bidirectional power transfer
An object of this invention is to obtain a control apparatus and a control method for a DC/DC converter, with which a DC/DC converter can be controlled with...
US-9,893,619 DC/DC converter
A DC/DC converter in which a both-end voltage of each of capacitors can be safely uniformalized while an over current, which is passed through between the...
US-9,893,618 Voltage regulator with fast feedback
In some examples, a voltage regulator comprises an amplifier stage and a pass element configured to receive an output of the amplifier stage and an output of a...
US-9,893,617 Electric power conversion system
An electronic control unit of an electric power conversion system is configured to, when voltages of first and second batteries are stepped up in parallel and a...
US-9,893,616 DC/DC converter
An error amplifier amplifies a difference between a feedback signal V.sub.FB that corresponds to an output voltage V.sub.OUT of a DC/DC converter and its target...
US-9,893,615 Switching power supply
A switching power supply includes: a switching type power supply circuit that converts an input voltage to generate an output voltage; and a control IC that...
US-9,893,614 Device and method for controlling a voltage regulator and corresponding voltage regulator
A method includes generating a control signal for controlling a switch element, and determining at each switching cycle alternation of an ON interval with...
US-9,893,613 DC/DC converter
To provide a DC/DC converter which does not need to switch a change direction of a control value depending on a power transmission direction between low voltage...
US-9,893,612 Voltage generation circuit
A voltage generation circuit includes a voltage detection unit configured to detect a voltage level of an internal voltage and generate a detection signal, a...
US-9,893,611 Method for controlling coil current of a magneto inductive, flow measuring device
A method for controlling coil current of a magneto inductive, flow measuring device with a first value representing an overvoltage U.sub.O and a second value...
US-9,893,610 Power unit and power conversion apparatus
To reduce radiation noise generated when a semiconductor device in a power unit performs switching, a core is provided outside the power unit. The closer the...
US-9,893,609 Method to operate a resonant converter at a characteristic frequency of the power stage
A method is provided of operating a resonant converter, the converter having a controller and power stage and providing an output voltage, by determining a...
US-9,893,608 Power supply device
According to one embodiment of the present invention, when a power supply device having first and second amplification units which share an energy storage...
US-9,893,607 Low drop-out voltage regulator and method of starting same
A low drop-out voltage regulator (LDO) includes an LDO unit, a switch circuit, a charge pump, and an initiation circuit. The switch circuit is coupled to a...
US-9,893,606 Three-level chopper apparatus
A three-level chopper apparatus includes a protection switch circuit that changes a current pathway through which an overvoltage is applied to a second...
US-9,893,605 Method and device for intrinsically safe redundant current supply of field devices
A method and a device provide intrinsically safe redundant current supply of field devices with a common current-limiting resistor in the mesh of the field...
US-9,893,604 Circuit with low DC bias storage capacitors for high density power conversion
A circuit for converting DC to AC power or AC to DC power comprises a storage capacitor, boost and buck inductors and switching elements. The switches are...
US-9,893,603 Power converter
There is provided a power converter which can suppress a surge voltage and reduce noise flowing from an input of a power changer. The power converter includes...
US-9,893,602 Switched-mode power converter with sampled feedback signal
In accordance with an embodiment, a method of operating a switched-mode power converter includes driving a switching element in successive drive cycles, in...
US-9,893,601 Brush plate
A brush plate has an insulating substrate, at least one pair of brushes mounted on the insulating substrate, and a conductor for supplying power to the brushes....
US-9,893,600 Rotating electrical machine and method of mounting element wire temperature measurement sensors on rotating...
Insulating objects arranged in parallel between adjacent element wire conductors of a plurality of the element wire conductors in a circumferential direction of...
US-9,893,599 Motor having a noise filter
A motor may include a housing, a motor assembly accommodated in the housing, and a mold cover having an outer circumferential surface. The outer circumferential...
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