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Patent # Description
US-9,602,036 Motor speed curve control circuit and moter thereof
The present disclosure illustrates a motor speed curve control circuit. The motor speed curve control circuit is configured for adjusting a speed of a motor...
US-9,602,035 Driving apparatus for electric motor
The present invention relates to a driving apparatus which performs vector control based on an output current of an inverter. The driving apparatus of the...
US-9,602,034 Motor drive apparatus for driving stepping motor and control method therefor
A CPU obtains a difference between a data number at timing when an ENC0 signal or an ENC1 signal changes in a case where there is no follow-up delay of a rotor...
US-9,602,033 Motor control apparatus, motor-driven apparatus, method of controlling motor and non-transitory...
The motor control apparatus controlling rotation of a brushless motor includes a controller to control an angular velocity of the motor, and a load torque...
US-9,602,032 BLDC motor system including parameter detecting circuit and operating method thereof
Provided is a BrushLess Direct Current (BLDC) motor system including a motor driving circuit configured to control a pulse-width-modulation (PWM) inverter in a...
US-9,602,031 Electronic circuit and method for triggering a semiconductor switch
An electronic circuit comprises at least one semiconductor switch mounted with its switching path in series with an inductive load to be triggered, and at least...
US-9,602,030 Motor drive circuit and motor thereof
The present disclosure illustrates a motor drive circuit. The motor drive circuit includes a resistor module, a multiplexer, a data control unit, an...
US-9,602,029 Method for operating and apparatus for activating a rotating, brushless electrical machine
A method for operating a brushless, rotating electrical machine, including at least three phase windings, each of which has a first phase winding terminal and a...
US-9,602,028 Safety function control for an electric machine and method of operating the electric machine
An apparatus and a method actuate a frequency converter of an electric machine having a safety function, in particular a safe-torque-off (STO) function....
US-9,602,027 Systems, methods, and assemblies for detecting stoppage of electric motors
A motor controller for an electric motor having a stator and a rotor. The motor controller includes a power input for receiving AC power from a power source; a...
US-9,602,026 Temperature compensation for MEMS devices
A microelectromechanical system (MEMS) device includes a temperature compensating structure including a first beam suspended from a substrate and a second beam...
US-9,602,025 Multiphase power converter circuit and method
A multiphase power converter circuit includes at least two single phase power converter circuits. Each single phase power converter circuit includes at least...
US-9,602,024 DC/AC converter, power generation plant and operating method for a DC/AC converter
A DC/AC converter for converting DC power of a number of inductively connected generators into power grid conformal AC power for feeding into a connected power...
US-9,602,023 Single chip grid connected solar micro inverter
The present invention provides an improved grid connected solar micro-inverter. The solar micro-inverter is provided with a single processor that performs both...
US-9,602,022 Electrical device for use with a multiway switch system
Electrical devices, methods of operating an electrical device for use with a multiway switch system, and methods for connecting an electrical device with a load...
US-9,602,021 Hybrid high voltage direct current converter system and method of operating the same
A hybrid HVDC converter system includes a DC bus, at least one capacitor commutated converter (CCC) and at least one self-commutated converter (SCC) coupled in...
US-9,602,020 Power conversion device
A power conversion device includes a half bridge type inverter circuit that includes semiconductor elements, and a DC capacitor and that is connected to a...
US-9,602,019 Voltage-adjusting device and method in power conversion system
The present disclosure provides a voltage-adjusting device applied in a power conversion system including a Vienna rectifier, a direct current (DC) bus, and an...
US-9,602,018 Power converter with reduced power consumption in standby mode
In accordance with various embodiments a converter is provided, including: a transformer comprising a primary side and a secondary side; a primary side circuit...
US-9,602,017 Switching power source device, method of controlling switching power source device, and circuit for controlling...
A switching power source device according to one aspect of the present invention is a current-resonant DC-DC converter, and includes a control integrated...
US-9,602,016 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-9,602,015 Communication method and apparatus using modulation of post-conduction oscillation frequency in switching...
A communication method and apparatus that uses modulation of post-conduction oscillation frequency in switching converters is provided. The apparatus may...
US-9,602,014 Voltage converter circuit and voltage converter controller and parameter setting method therefor
A voltage converter circuit includes a voltage converter controller which generates a PWM signal to operate a power switch for voltage conversion. The voltage...
US-9,602,013 Controller for a switch mode power converter
A controller for controlling a power supply includes a feedback signal generator to generate a feedback signal representative of an output current in response...
US-9,602,012 Apparatus and method for controlling switching power supply
An output voltage error detection unit outputs an auxiliary winding voltage generated across an auxiliary winding having the same number of turns as a secondary...
US-9,602,011 Gated bi-directional dual-rail series resonant converter power supply
A switching stage includes a first plurality of switches configured to produce an alternating current from a bulk voltage. A transformer has a primary and a...
US-9,602,010 Insulated DC power supply and a method of controlling same
An insulated DC power supply includes a voltage transformer, a switching device and a primary-side regulating circuit. The voltage transformer includes primary...
US-9,602,009 Low voltage, closed loop controlled energy storage circuit
An energy storage circuit for use with a power converter includes a base capacitor coupled between an input bus and a ground potential, and an adjust capacitor....
US-9,602,008 Power conversion apparatus and method for controlling power conversion apparatus
A power conversion apparatus supplies power from a DC power supply to a capacitive load by a current input push-pull DCDC converter provided with switching...
US-9,602,007 Power conversion apparatus
A power conversion apparatus includes a first DC/DC converter which includes a first transformer, a first primary circuit provided at a primary side of the...
US-9,602,006 Method and a controller for determining a demagnetization zero current time for a switched mode power supply
In various embodiments a method is provided for determining a demagnetization zero current time for a switched mode power supply having a transformer, a first...
US-9,602,005 Sensing a phase-path current in a coupled-inductor power supply
An embodiment of a power supply includes an output node, inductively coupled phase paths, and a sensor circuit. The output node is configured to provide a...
US-9,602,004 Efficient control circuit for buck-boost converters and control method thereof
A controller used in a buck-boost converter includes a logic control circuit, a pulse width increasing circuit, a pulse width decreasing circuit, a first...
US-9,602,003 Voltage regulator, semiconductor device, and voltage generation method for voltage regulator
A voltage regulator includes: a drive voltage generating part for generating a drive voltage and then apply the drive voltage to a drive line; an output...
US-9,602,002 Switching power supply device
A switching power supply device includes a slope compensation circuit configured to start slope compensation for suppressing subharmonic oscillation in...
US-9,602,001 Buck converter with a variable-gain feedback circuit for transient responses optimization
A buck converter includes a power stage circuit and a control circuit. The power stage circuit has a pair of switches, an output inductor, and an output...
US-9,602,000 Power supply circuit and control method thereof
According to one embodiment, a power supply circuit includes a switching element to which a drive signal is supplied, a control value generating circuit that...
US-9,601,999 Dynamic switch scaling for switched-mode power converters
Techniques for optimizing the trade-off between minimizing switching losses and minimizing conduction losses in a buck converter. In an aspect, each of a...
US-9,601,998 Hybrid regulator including a buck converter and a switched capacitor converter
The present disclosure includes a feedback system that can control hybrid regulator topologies that have multiple converters or regulators connected in series....
US-9,601,997 V^2 power converter control with capacitor current ramp compensation
Operation of a switching power converter having an output capacitor having a small equivalent series resistance (ESR) is stabilized and jitter reduced by...
US-9,601,996 Switching power supply apparatus
In a switching power supply apparatus, a switching element is turned on/off to intermittently conduct current input via an inductor. Current input during a...
US-9,601,995 Low power radio frequency envelope detector
A low power radio frequency envelope detector includes a charging transistor for controlling the charge supplied to an output capacitor. A first input capacitor...
US-9,601,994 Internal voltage generation circuit
Disclosed herein is an internal voltage generation circuit for generating a pumping voltage. The internal voltage generation circuit may include a pumping unit...
US-9,601,993 Boosting circuit of charge pump type and boosting method
A boosting circuit of charge pump type includes: charging portion for applying an input voltage to a first capacitor; double boosting portion for applying the...
US-9,601,992 System and method for suppressing a settling voltage in a switched mode power supply
This disclosure relates to a switching power supply with regulated voltage suppression to reduce transformer audio noise. The switching power supply is operable...
US-9,601,991 Switching regulator control circuit
In a switching regulator control circuit according to aspects of the invention, a drain current is converted to a voltage Vis with a resistance. The voltage is...
US-9,601,990 High efficiency PFC power converter
A power factor correction (PFC) power converter is disclosed that converts AC input power to DC output power. A single stage of the PFC power converter performs...
US-9,601,989 Intelligent pulse control circuit
The instant disclosure provides an intelligent pulse control circuit used for a power supply. The intelligent pulse control circuit comprises a control unit, a...
US-9,601,988 Power conversion apparatus and method for analyzing for abnormality in power conversion apparatus having cutoff...
A power conversion apparatus includes a power converter to directly convert AC power having a frequency into AC power having a different frequency. A gate...
US-9,601,987 Power supply apparatus
In a power supply apparatus, power is transmitted from its input terminal to its output terminal. The transmitted power is controlled so that an output voltage...
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