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Patent # Description
US-1,027,7150 Method and circuit for driving single coil BLDC motor
Method of driving a single-coil motor having a stator and a rotor and a coil, comprising the steps of: monitoring a position signal and determining when said...
US-1,027,7149 Air blower equipped with brushless DC motor
Air blower equipped with brushless DC motor includes an inverter circuit, a drive logic controller, a duty indicator, a motor voltage detector, a motor current...
US-1,027,7148 Low energy electric motor brake
In various example embodiments, a low energy electric motor brake is described comprising one or more electronic switches that connect the input wires to an...
US-1,027,7147 Triboelectric nanogenerators based on chemically treated cellulose
Triboelectric nanogenerators that operate in a vertical contact separation mode and methods for fabricating the triboelectric generators are provided. Also...
US-1,027,7146 Half bridge inverter units and inverter thereof
Disclosed are half bridge inverter unit and inverter thereof. The half bridge inverter unit includes an inverter controlling module and inductors. The inverter...
US-1,027,7145 Power supply device, apparatus, and control method for determining a number of operating voltage converters
A power supply device includes a power supply, a conversion module, and an electric current sensor, and circuitry. The power supply is to output a voltage that...
US-1,027,7144 Four-level power converter
The present invention is concerned with a four-level voltage source converter topology including two intermediate converter branches connecting two intermediate...
US-1,027,7143 Inverter supplying power to induction motor for driving hoist
The present disclosure relates to an inverter provided in a hoist system, which includes a scale unit configured to control a size of a DC link voltage of the...
US-1,027,7142 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-1,027,7141 Current protected integrated transformer driver for isolating a DC-DC convertor
An improved electronic oscillator circuit suitable for use in an isolating DC-to-DC converter circuit, and an improved isolating DC-to-DC converter circuit. In...
US-1,027,7140 High-bandwith resonant power converters
This specification describes a device that includes a voltage-regulated DC-DC converter comprising a switching network, a resonant circuit, and control...
US-1,027,7139 Power conversion device which detects power shortage and switches to a power supply that is capable of...
A transformer is composed of three or more windings magnetically coupled. An AC/DC converter (2) for converting AC power of an AC power supply (1), a capacitor...
US-1,027,7138 Active clamp full bridge converter and driving method thereof
Provided is an active clamp full bridge converter, which includes: a transformer having a primary coil and a secondary coil and configured to convert a voltage;...
US-1,027,7137 Power conversion control circuit
A power conversion control circuit, which is applied to a flyback converter having a main switch, includes at least one bypass switch, a half-bridge power...
US-1,027,7136 Controller for multi-output single magnetic component converter with independent regulation of constant current...
A power converter includes a primary winding and multiple output windings to provide multiple independently controlled and regulated outputs with a common...
US-1,027,7135 Dual-output flyback voltage conversion circuit and display device
A dual-output flyback voltage conversion circuit and a display device are provided. The dual-output flyback voltage conversion circuit includes an input module,...
US-1,027,7134 Switching power supply device
A switching power supply device includes a first converter of boost type to which a full-wave rectified AC power supply is input, and a second converter of...
US-1,027,7133 Isolated DC/DC converter, primary side controller, power adapter, and electronic device
An isolated DC/DC converter includes a transformer having a first winding and a secondary winding, a switching transistor connected to the primary winding of...
US-1,027,7132 Systems and methods for constant voltage mode and constant current mode in flyback power converters with...
System and method for regulating a power converter. The system includes a first signal generator configured to receive a first sensed signal and generate an...
US-1,027,7131 Control circuits and control methods for power converters
In a general aspect, a control circuit for a power converter can include an option selector circuit that is coupled with a detection pin. The option selector...
US-1,027,7130 Primary-side start-up method and circuit arrangement for a series-parallel resonant power converter
A series-parallel resonant power converter comprises a primary-side start-up controller and a secondary-side controller, wherein the primary-side start-up...
US-1,027,7129 Switching overlap avoidance system for controlling power supply system
A method includes controlling a power supply system to avoid an over-voltage event across one or more switching devices of the power supply system. The...
US-1,027,7128 Switch control circuit and buck converter comprising the same
A buck converter includes a power switch having a first end to receive an input voltage, a synchronous switch connected between a second end of the power switch...
US-1,027,7127 Enhanced fault reporting in voltage regulators
An electronic system, voltage regulator, controller and fault reporting method and circuit for a voltage regulator or other type of DC-DC converter are...
US-1,027,7126 Switching energy converter with reduction of the static bias introduced by a stabilizing ramp
This converter includes a controllable switch (M) and a control device (311) for generating a signal for controlling the opening and closing instants of the...
US-1,027,7125 Wide range power supply for use in meters and other devices
A power conversion arrangement includes first and an optional second power conversion stages. The first stage has an input configured to receive an input...
US-1,027,7124 DC-DC converter, boosting unit, electric vehicle and battery backup system
Provided are a boosting unit, a DC-DC converter including the boosting unit, and an electric vehicle. The DC-DC converter includes: a switch connected to an...
US-1,027,7123 Method and apparatus for setting control loop parameters of a voltage regulator controller
A method is provided for configuring a controller for a voltage regulator system having an output filter response set by an inductance (L) and a capacitance...
US-1,027,7122 Charge pump circuit and phase locked loop system using the same
A charge pump circuit and a phase-locked loop (PLL) system using the same are provided. The charge pump circuit includes an upper current source, a lower...
US-1,027,7121 Charge pump circuit and operating method thereof
A charge pump circuit includes a first switch.about.a fourth switch, a capacitor, a current source, a first resistor, a second resistor, an amplifier, another...
US-1,027,7120 Optimized, multiphase switched-capacitor DC-DC converter with variable gain
A structure and method is provided for DC to DC conversion using switched-capacitors. The DC-DC converter uses an optimized configuration of capacitors and...
US-1,027,7119 Charge pump having AC and DC outputs for touch panel bootstrapping and substrate biasing
A charge pump that can be configured to operate in a first mode and a second mode is disclosed. The charge pump can comprise a charging capacitor coupled to a...
US-1,027,7118 Charge pump circuit and method of operating same
In a charge pump circuit, a first circuit is configured to provide a first node with a first first-voltage level or a first second-voltage level. A second...
US-1,027,7117 Device with a voltage multiplier
A device includes a level shifter and a voltage multiplier. The level shifter is responsive to a first clock signal configured to shift the first clock signal...
US-1,027,7116 On-vehicle power conversion apparatus
This on-vehicle power conversion apparatus is provided with: a power conversion circuit to which DC power is inputted; and a noise reduction unit that is...
US-1,027,7115 Filtering systems and methods for voltage control
A power factor correction (PFC) system includes an error control module that determines a first current demand based on a difference between a desired direct...
US-1,027,7114 Single stage isolated power converter
Typically, power factor is improved by adding a full power factor correction (PFC) stage between the rectifier and the power converter. This disclosure applies...
US-1,027,7113 Switching power supply with output power estimation
A switching power supply device includes a control unit alternately turning a first switching device and a second switching device ON/OFF so as to drive a...
US-1,027,7112 Physical topology for a power converter
A physical topology for receiving top and bottom power electronic switches comprises a top collector trace connected to a positive voltage power supply tab and...
US-1,027,7111 Output overvoltage protection for converters
According to an example, a step down converter includes switching circuit configured to control a switching output in order to generate an output voltage on a...
US-1,027,7110 System and method providing over current protection based on duty cycle information for power converter
System and method for protecting a power converter. An example system controller for protecting a power converter includes a signal generator, a comparator, and...
US-1,027,7109 Multi-channel inverter for a photovoltaic apparatus
An inverter for a photovoltaic apparatus, said inverter comprising a DC electric bus having a plurality of electric lines forming corresponding DC input...
US-1,027,7108 Power converter suitable for power elements of different sizes
A power converter suitable for power elements of different sizes including a base, a heat sink, a circuit board and a power element is provided. The base has a...
US-1,027,7107 Synchronous rectifier gate driver with active clamp
Various embodiments provide a resonant converter that includes a synchronous rectifier driver. The synchronous rectifier driver reduces voltage spikes on drains...
US-1,027,7106 Control circuit for switching power supply apparatus
A control circuit 2a for a switching power supply apparatus includes a comparator COMPa for comparing a voltage corresponding to a current flowing through a...
US-1,027,7105 Method and apparatus for delivering power to semiconductors
A semiconductor package includes a VLSI semiconductor die and one or more output circuits connected to supply power to the die mounted to a package substrate....
US-1,027,7104 Electromagnetic converter, actuator, and pump
An electromagnetic converter that converts kinetic energy to electric energy, or converts electric energy to kinetic energy, includes a core configured to have...
US-1,027,7103 Vibration motor
A vibration motor is disclosed. The vibration motor includes a housing, a substrate engaging with the housing, a vibration unit received in the housing, an...
US-1,027,7102 Vibration motor
A vibration motor is disclosed. The vibration motor includes a housing; a fixed component accommodated in the housing; a vibrating component comprising a...
US-1,027,7101 Rotor for rotating electric machine
A rotor includes a rotor core formed by laminating steel sheets, first and second plate members respectively arranged on first and second axial sides of the...
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