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Patent # Description
US-1,007,5111 Semiconductor device and electrically-powered equipment
When electricity is supplied sequentially one by one to coils with a plurality of coil phases provided in a stator of a brushless DC motor, detection is made on...
US-1,007,5110 Method and circuit for controlling or starting a u-shape single phase synchronous permanent magnet motors
A method and circuit for controlling or starting a U-shape single phase synchronous permanent magnetic motor (U-SPSPM motor) having a rotor and a stator and...
US-1,007,5109 Driving device and driving method for motor, cooling device and electronic machine
A driving device for a brushless DC motor having at least one coil may include a voltage zero crossing detection unit to where an induced voltage becomes zero;...
US-1,007,5108 Integrated circuit, motor component and application device having the motor component
An integrated circuit, a motor component including the integrated circuit and an application device having the motor component are provided according to...
US-1,007,5107 Method and apparatus for motor lock or stall detection
A method and apparatus are provided for detecting a rotor lock condition in a sensorless permanent magnet synchronous motor. A BEMF observer determines an...
US-1,007,5106 DC synchronous machine
An assembly for a direct current (DC) synchronous machine, according to an exemplary aspect of the present disclosure includes, among other things, a stationary...
US-1,007,5105 End ring and rotor bar for line start permanent magnet motor
A rotor for an LSIPM comprises a plurality of permanent magnets defining a number of poles ("P") of the LSIPM, and a plurality of rotor bars spaced about the...
US-1,007,5104 Plasmonic nanostructures for conversion of optical power to electrical power
A plasmoelectric device for conversion of optical power to direct current (DC) electrical power includes a first plasmonic nanostructure having a first...
US-1,007,5103 Power generation device for mobile body
A power generation device for a mobile body includes power generating units and a holding member. Each power generating unit includes an elastically deformable...
US-1,007,5102 System for converting thermal energy into electrical power
A system for converting thermal energy into electrical power includes a temperature-sensitive element held in a frame by its two ends between a heat source and...
US-1,007,5101 Vibration type actuator
A vibration type actuator including a vibrator having an electro-mechanical energy conversion element and an elastic member fixed to the electro-mechanical...
US-1,007,5100 Three dimensional triboelectric energy harvester
There is provided a three-dimensional triboelectric energy generator comprising: a moving object; at least two triboelectric energy generator modules defining...
US-1,007,5099 Power generation apparatus and touch apparatus with grain materials
A power generation apparatus and a touch apparatus with grain materials are provided. The power generation apparatus includes a grain material layer, a first...
US-1,007,5098 Power converter
An inverter main circuit using high-side MOSFETS converts a power source voltage of a battery to an alternating current, and supplies the alternating current to...
US-1,007,5097 Power conversion device and AC electric-vehicle drive system
To generate a PWM signal, as an on/off signal of a semiconductor switch that constitutes a power conversion main circuit, by comparing a modulation wave command...
US-1,007,5096 Power supply system
A pseudo-resonant element (130) is disposed in series with respect to an inductive load (180) on the inductive load (180) side rather than an output end of an...
US-1,007,5095 Transformerless AC line isolator
Various systems, apparatuses, and methods are disclosed herein, which provide a new power conversion topology for isolated systems that does not include a...
US-1,007,5094 Battery system comprising a hybrid battery and an NPC inverter which is connected at the input end to the...
The present invention relates to a battery system which has a hybrid battery which comprises a first energy storage source having a plurality of first energy...
US-1,007,5093 Power conversion device for suppressing fluctuation of common mode voltage
Provided is a power conversion device capable of suppressing common-mode voltage fluctuation resulting from output voltage transitioning. A power conversion...
US-1,007,5092 Neutral point power converter with first and second chopper cell groups
In a power converter a DC positive terminal of a DC power supply is connected to a switching element, the DC negative terminal of the DC power supply is...
US-1,007,5091 Power converter
In a multilevel converter, three circuit breakers are respectively connected between three arms and three reactors. One circuit breaker is a DC circuit breaker...
US-1,007,5090 AC rectifier system
The AC rectifier system includes an AC source having a positive half-cycle terminal and a negative half-cycle terminal, a first rectifier module along with a...
US-1,007,5089 Power conversion device
A power-conversion device includes a power-converter converting power from the power-supply. A filter-capacitor part eliminates noise from power in the...
US-1,007,5088 Controlling a load commutated converter during undervoltage
A load commutated converter interconnects an AC power grid with an AC load and comprises a grid-side converter, a DC link and a load-side converter. A method...
US-1,007,5087 Voltage doubling alternating current power supply using electricity from two circuits with transformer for...
An alternating current power supply configured to provide a high-voltage alternating current power output from two low-voltage alternating current power sources...
US-1,007,5086 Inductive power transfer converters and system
An IPT system for wireless power transfer is provided, in particular an IPT system capable of operating at high frequencies. In one aspect there is provided an...
US-1,007,5085 Gallium nitride driver with tuned dead-time
Techniques are provided to tune a gate-drive control signal for a switching device. In an aspect, a device is provided that includes a dead-time generator...
US-1,007,5084 Isolated synchronous rectification-type DC/DC converter
A secondary controller drives a light emitting element of a photocoupler such that a detection voltage V.sub.OUTS corresponding to an output voltage V.sub.OUT...
US-1,007,5083 Multi-step simplified optimal trajectory control (SOTC) based on only Vo and I load
A resonant power converter is disclosed with a driving circuit generating a switching signal connecting power to a resonant tank circuit, with a voltage...
US-1,007,5082 Switching mode power supplies with fast load-transient response
A power supply detects a falling rate of an output voltage for fast load-transient response. The power supply with a primary side and a secondary side isolated...
US-1,007,5081 Insulated synchronous rectification DC/DC converter
An external circuit element R.sub.SET is connected in use to an SET terminal. A synchronous rectification controller generates a pulse signal S1 based on a...
US-1,007,5080 Three-level converter using an auxiliary switched capacitor circuit
In a described example, an apparatus includes a first switch coupled between a terminal for receiving an input voltage and a top plate node, and having a first...
US-1,007,5079 Driver for low emission switching regulator
A switching regulator includes circuitry for reducing conductive emissions caused when the regulators switch from one transistor switch to the other. The...
US-1,007,5078 Control circuit for maintaining a switching frequency for constant on time converter
A control circuit for a switching power converter is disclosed. The control circuit may comprise an OFF control signal generation module configured to generate...
US-1,007,5077 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-1,007,5076 Voltage converter with current steering
A voltage converter circuit includes a high side transistor, a high side driver coupled to a control input of the high side transistor, a low side transistor...
US-1,007,5075 Buck-boost power converter and associated mode transition control module
A buck-boost power converter and a mode transition control module. The mode transition control module includes a buck duty cycle sensing and comparison circuit...
US-1,007,5074 DC to DC converters and controllers thereof
In a controller for a DC to DC converter, PWM signal generating circuitry generates a set of PWM signals phase-shifted relative to one another, and controls...
US-1,007,5073 DC/DC converter and switching power supply having overcurrent protection
A DC/DC converter has: a soft-start circuit, a variable output current generator, a constant current source, an oscillator, a slope circuit, a PWM comparator,...
US-1,007,5072 Semiconductor apparatus, power supply apparatus, electronic device, and control method for power supply apparatus
A semiconductor apparatus includes: a switch circuit connected between a first power supply terminal and an output terminal; a switching element connected...
US-1,007,5071 Electronic device including a power management integrated circuit
An electronic device includes a load device and a power management integrated circuit. The power management integrated circuit is configured to calculate a load...
US-1,007,5070 Step-down DC/DC converter
A pulse generator includes a mode controller that detects a state in which there has been no transition of a pulse signal to the off level for a given cycle...
US-1,007,5068 Power source device
A power source device has: a storage unit configured to receive a generated power and store as a storage power; a boost unit configured to generate, from a...
US-1,007,5067 Two-switch switched-capacitor converters
Various examples are provided for two-switch switched-capacitor (SC) converters. In one example, a SC converter includes first and second switches connected in...
US-1,007,5066 Internal voltage generation circuit and system including the same
An internal voltage generation circuit may be provided. The internal voltage generation circuit may include a first internal voltage generation circuit...
US-1,007,5065 Choke and EMI filter circuits for power factor correction circuits
A converter circuit is provided and includes: a first EMI filter connected to AC lines and includes one or more across-the-line capacitors; a charging circuit...
US-1,007,5064 High-frequency, high density power factor correction conversion for universal input grid interface
A circuit includes a reconfigurable rectifier, a voltage balancer, and a pair of converters. The reconfigurable rectifier includes an ac input port and three...
US-1,007,5063 Dual stage Vcc charging for switched mode power supply
A startup circuit is provided for establishing the Vcc voltage level of a switching power converter. The startup circuit uses a switch controller and path...
US-1,007,5062 Dual level current limit apparatus and method
A dual level current limit apparatus constituted of: an electronically controlled switch coupled between a load and a line voltage; and a control circuitry...
US-1,007,5061 Power supply device with excess current protection
A first excess current protector directs a controller to limit an output current of a regulator when a current value detected by a current detector exceeds a...
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