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Patent # Description
US-9,531,286 Control of a converter for an electric vehicle
A method for control of an electric vehicle converter is provided. The converter is adapted to drop voltage and a counting unit is adapted to count a signal...
US-9,531,285 PFC power system with power managed main and standby voltage outputs
A power system is disclosure. The power system includes a processor, a power supply device, and a power-managing module. The power supply device includes a...
US-9,531,284 Pseudo-constant frequency control for voltage converter
A pseudo-constant portion of a switching cycle (ON time or OFF time) is constant over short periods of time but the pseudo-constant portion is controlled over...
US-9,531,283 Power supply apparatus
A power supply apparatus including a multi-outputs power supply circuit and a first regulating circuit is provided. The multi-outputs power supply circuit has a...
US-9,531,282 Method and apparatus for regulated three-phase AC-to-DC conversion with high power factor and low harmonic...
The present invention relates to methods and corresponding apparatus for efficient 3-phase AC to DC conversion with high power quality, for example, high power...
US-9,531,281 AC-DC power converter
In one embodiment, an AC-DC power converter can include: (i) a rectifier bridge and filter to convert an external AC voltage to a DC input voltage; (ii) a first...
US-9,531,280 Isolation device and system
An isolation device having first and second semiconductor is disclosed. The first semiconductor die may be adapted to transmit a first signal to the second...
US-9,531,279 Power supply controller with minimum-sum multi-cycle modulation
An example power supply controller includes a signal separator circuit that generates a feedback signal. An error signal generator generates an error signal in...
US-9,531,278 Systems and methods for current control of power conversion systems
System and method for regulating an output current of a power conversion system. An example system controller for regulating an output current of a power...
US-9,531,277 Switching converter, control circuit thereof, AC/DC converter, power adapter and electronic device
A control circuit used in a switching converter having a coil, a switching transistor, and a detection resistor, includes: a current detection terminal...
US-9,531,276 Method for controlling a power source, and power source and process controller therefor
A method for controlling a power source is specified. The power source comprises a first converter (1) for converting an input voltage (U.sub.E) to an...
US-9,531,275 Precise output power detection
A switching power converter provides regulated output power to a load. The switching power converter comprises a transformer including a primary winding coupled...
US-9,531,274 Resonant converter, power supply and power controlling method thereof
A resonant converter, a power supply and a power controlling method thereof are provided. The power supply includes a resonant converter which includes a square...
US-9,531,273 Synchronous DC-DC converters, and systems and methods of controlling same
A synchronous DC-DC converter (300) for converting an input voltage (V.sub.in) into an output voltage (V.sub.out), the converter having a continuous current...
US-9,531,272 Two-phase interleaved converter and method of controlling the same
A two-phase interleaved converter includes two sub-circuits, a voltage controller, a current controller, a balancing controller and a phase shifter. The voltage...
US-9,531,271 Spread spectrum power converter
A power converter includes a first stage voltage modulator configured to receive an input voltage and provide a modulated voltage. A second stage power...
US-9,531,270 Power management circuit and method
A power management circuit and method are described. In the method, whether a first voltage and/or a voltage source are present is determined. Based on a first...
US-9,531,269 Semiconductor device
A semiconductor device includes a first semiconductor chip which includes a first power supply terminal and into which a circuit block which is operated by a...
US-9,531,268 Switching power supply and electronic control unit
A switching power supply converts an input voltage to a predetermined output voltage by controlling a switching device. The switching power supply includes a...
US-9,531,267 DC-DC converter using internal ripple with the DCM function
A DC-DC converter, having an input voltage and an output voltage, includes an inductor and a switch switching the input voltage to an input side of the...
US-9,531,266 Power supply circuitry and adaptive transient control
A control circuitry can be configured to receive an error signal indicating a difference between an output voltage of the power supply and a desired setpoint...
US-9,531,265 Capacitive current-mode control of a DC/DC converter
Systems and methods for implementing capacitive current-mode control of a voltage regulator or converter, such as a DC/DC buck converter, are provided. An...
US-9,531,264 Auxiliary recharge
The present invention generally relates to powering a switching controller of a switch mode power converter (SMPC), and more particularly to a method of...
US-9,531,263 Semiconductor device
A semiconductor device according to an embodiment comprises a first transistor capable of supplying or interrupting power to a load. A clamper comprises a first...
US-9,531,262 Charge pump
This application discusses, among other things apparatus and methods for a voltage boost circuit. In an example, a voltage boost circuit can include first and...
US-9,531,261 Power supply control device
A power-supply control device that includes a transistor that is interposed between a power source and a load; a control circuit to which a voltage from the...
US-9,531,260 Voltage doubler and voltage doubling method for use in PWM mode
An apparatus and a method for generating a pulse width modulated, PWM, voltage doubler signal is presented The apparatus comprises a voltage source, a...
US-9,531,259 Power supply circuit
In a power supply circuit having input and output terminals, an error amplifier has first and second paths independent of each other to output a control...
US-9,531,258 Charge pumps with improved latchup characteristics
Some embodiments of the present disclosure relate to improved regulators for charge pumps. Such regulators selectively activate a charge pump based not only on...
US-9,531,257 Power factor corrector with high power factor at low road or high mains voltage conditions
A power factor corrector raises power factor at low loads or high mains voltages by modifying the switch timing or the current received by the power converter....
US-9,531,256 AC-DC converter with adjustable output
An electrical adapter can include a rectifying circuit configured to receive an AC power input, a power factor corrector (PFC) circuit coupled with an output of...
US-9,531,255 Low-cost driver circuit with improved power factor
A driver circuit for powering a load is disclosed. The driver circuit includes an input for receiving for connection to a source of AC power, and a rectifier...
US-9,531,254 Method and apparatus for controlling a start-up sequence of a DC/DC buck converter
A method of controlling a start-up sequence of a DC/DC Buck converter includes continuously comparing the Buck converter's output voltage with an internal...
US-9,531,253 Soft-start for isolated power converter
Current flowing through an inductor on a primary side of a voltage converter is sensed and compared to a threshold peak current value to determine when to end...
US-9,531,252 Snubber circuit
A snubber circuit includes a current-variation suppressor, a voltage-variation suppressor, a retrieving circuit, and a discharging circuit. The...
US-9,531,251 Quick discharge circuit
A quick discharge circuit includes a reference voltage source, a power supply voltage monitoring circuit, a control circuit, and a discharge circuit. The...
US-9,531,250 Power conversion device and refrigeration/air-conditioning system
A power conversion device according to the present invention includes a power supply, a booster unit (a reactor, a switch) that boosts a voltage supplied from...
US-9,531,249 Voltage converter and power management device including the same
A voltage converter includes a driving device unit, a current sensing unit and a switching control circuit. The driving device unit charges an input power...
US-9,531,248 Non-contact power transmission apparatus
An aspect of the present invention has a first disk-shaped member coupled to a first rotating shaft to rotate and a first plate-shaped member having a surface...
US-9,531,247 Inertial energy storage system and hydro-fluoro-ether power transformer scheme for radar power systems and...
A multi-port storage system includes a dynamo-electric machine with integral rotor inertia forming a primary energy storage system. The dynamo-electric machine...
US-9,531,246 Bi-rotational generator
A fluid-driven electricity generator includes a stator assembly and a rotor assembly. The stator assembly includes a stator core that includes a plurality of...
US-9,531,245 Direct drive wind turbine with a thermal control system
A direct drive wind turbine with a thermal control system has a generator with a rotor and a stator and a bearing with an inner ring and an outer ring...
US-9,531,244 Conducted emissions filters
Conducting emission suppression in a power circuit for an electric motor comprises a negative temperature co-efficient resistor and capacitor connecting one of...
US-9,531,243 Motor
A motor includes an attachment portion, a first circuit board, and a second circuit board. The attachment portion is fixed to a frame of an apparatus to be...
US-9,531,242 Apparatuses and methods for cooling electric machines
Cooling apparatuses and methods comprising cooling apparatuses, such as those configured to be coupled to and/or cool electric machines (e.g., motors,...
US-9,531,241 Cooling device for electric motor and electric motor
A cooling device for an electric motor, comprising a cover which has a cylindrical-shaped main part which can house the electric motor, and a fan motor which is...
US-9,531,240 Wind turbine generator with gear unit cooling system including re-cooling
A wind turbine includes a generator having a generator cooling system configured for passage of a cooling fluid, and a gear unit including a gear unit cooling...
US-9,531,239 Active cooling of a motor having an integrated cooling channel
A motor, comprising an electronics housing having integrated motor electronics, a stator, and a rotor. The stator comprises a stator bushing and a laminated...
US-9,531,238 Modular actuation device for an aerodynamic control surface of a missile
A modular actuation device for an object, such as an aerodynamic control surface of a missile. The modular actuation device can include an outer support...
US-9,531,237 Dual rack output pinion drive
The dual output pinion rack drive includes an epicyclic gearbox which permits the division of power of a single motor to first and second spur output pinions...
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