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Patent # Description
US-1,005,0544 Ultra-high power ZVS+ZCS integrated soft swithing DC/DC converter
A ultra-high power ZVS+ZCS integrated soft switching DC/DC converter is disclosed, which adopts a phase shifted full bridge ZVS (zero voltage switching) DC/DC...
US-1,005,0543 Switching power supply device changing output voltage setting and integrated circuit for switching power supply...
A switching power supply device that switches setting of an output voltage based on an external signal according to one or more embodiments includes: a...
US-1,005,0542 Electrical circuit for delivering power to electronic devices
One or more embodiments of the present disclosure may include a method of power regulation. The method may include determining a current level on a primary...
US-1,005,0541 Synchronous rectifier control with second assertion of drive signal during conduction phase
A synchronous rectifier controller includes an exception timer, one or more blanking timers, and control logic. The control logic may detect a beginning of a...
US-1,005,0540 Protection circuit and method for flyback power converter
A protection circuit for a power converter is provided. The protection circuit includes a sensor circuit, a detection circuit and an initial protection circuit....
US-1,005,0539 Switched mode power supply with reduced delay time
Switched mode power supply (SMPS) with a control circuitry and method of operating such a SMPS are described. The control circuitry includes a first driver to...
US-1,005,0538 Flyback converter and controlling method thereof
A flyback converter includes a primary side circuit, a secondary side circuit and a controller. The primary side circuit includes a primary winding and a main...
US-1,005,0537 Resonant converter and method for controlling a resonant converter
A resonant converter (100) includes at least two transistor switches (S1-S8), out of which at least two are connected in parallel, and out of which a number of...
US-1,005,0536 Power converter and method of entering skip at a fixed output power in a light load condition independent of...
A power converter has a power transistor and inductor coupled in a conduction path with the power transistor. A switching frequency of the power transistor is...
US-1,005,0535 Power conversion efficiency using variable switching frequency
A power conversion circuit is provided. An input of the power conversion circuit is coupled to a first voltage potential. A switching frequency of the power...
US-1,005,0534 Systems and methods for self-adaptive current control
The present disclosure relates to electric converters and methods of controlling the same. One dual-active-bridge direct current to direct current (DC-DC)...
US-1,005,0533 High voltage high frequency transformer
A transformer includes: a core having a central arm and first and second outer arms on opposite sides of the of the central arm; a primary winding surrounding...
US-1,005,0532 DC-DC converter with pseudo ripple voltage generation
The DC-DC converter includes: a switching element connected between an inductor and a power supply terminal; a pseudo ripple generation circuit configured to...
US-1,005,0531 Direct flux control power converter
Systems and methods related to controlling flux through an inductor of a power converter are described. For example, a control system is configured to control a...
US-1,005,0530 Method and apparatus for control adaptation in resonant-tapped inductor converters
A semi-resonant voltage converter has a synchronous rectification (SR) switch through which a half-cycle sinusoidal-like current is conducted when turned on. An...
US-1,005,0529 Switched-mode power supply with switch resizing
Switched-mode power supply with switch resizing. A power converter can include an inductor coupled between an input node and an intermediate node, a...
US-1,005,0528 Current distribution in DC-DC converters
A DC-DC converter includes a substrate having opposing first and second sides, a power stage attached to the first side of the substrate and having active...
US-1,005,0527 Synchronous sensing of inductor current in a buck converter control circuit
A sense resistor is placed in series with an output capacitor of a buck converter. The buck converter operates in a discontinuous mode such that there is a dead...
US-1,005,0526 Switching power converter
Aspects of various embodiments of the present disclosure are directed to applications utilizing voltage regulation. In certain embodiments, an oscillator...
US-1,005,0525 Signal transmission circuit
Included are an output circuit, provided in a high side circuit, that selectively generates and outputs multiple kinds of pulse signal in accordance with the...
US-1,005,0524 Circuit for level shifting a clock signal using a voltage multiplier
A voltage multiplier circuit operates in response to a received clock signal to perform a voltage multiplication operation on an input voltage to generate an...
US-1,005,0523 Voltage conversion circuit and liquid crystal display driving chip
The embodiment of the present disclosure provides a voltage conversion circuit including a voltage conversion module and a control module, the voltage...
US-1,005,0522 Interleaved dual output charge pump
According to some implementation, a charge pump includes a boost charge pump circuit and a buck charge pump circuit sharing a common flying capacitance. In some...
US-1,005,0521 Floating charge pump voltage converter
A voltage converter includes at least one charge pump voltage converter circuit. The voltage converter generates three voltages (e.g., 1.2 volts, 2.5 volts, and...
US-1,005,0520 Charge pump circuit and motor thereof
The present disclosure illustrates a charge pump circuit. The charge pump circuit includes an input voltage module and a switching transistor module. The input...
US-1,005,0519 Control of buck-boost power converter with input voltage tracking
An improved power distribution architecture includes a voltage regulator configured to operate with its output voltage approximately equal to its input voltage...
US-1,005,0518 Power supply circuits with variable number of power inputs and cross-coupled diodes and storage devices having...
A power supply circuit may include a first power converter that may be configured to generate a first inner supply voltage having a first voltage level based on...
US-1,005,0517 Power supply apparatus converting input voltage to predetermined output voltage and controlling output voltage...
A power supply apparatus of the present invention has an input terminal and an output terminal, and converts an input voltage at the input terminal into a...
US-1,005,0516 Active clamp power converter and method of reducing shoot-through current during soft start
An ACF power converter uses a soft start operation to reduce overheating and stress on components. The power converter includes a first transistor and second...
US-1,005,0515 Voltage control of flying capacitor in adaptive multilevel converters
In described examples, a DC-DC converter provides electrical power. The converter includes an inductor and a flying capacitor. In response to an input voltage...
US-1,005,0514 Current ripple control by derivation and switching
A method and circuitry for switching current to a load. The circuitry for supplying a current to a load comprises a sensor configured to sense the current...
US-1,005,0513 Control apparatus capable of appropriately suppressing a surge voltage
A control apparatus is provided which controls a power converter including a first circuit including first-side switching elements, and a second circuit...
US-1,005,0512 Power conversion apparatus
A power conversion apparatus includes a semiconductor module including a semiconductor device and a control circuit unit controlling the semiconductor module....
US-1,005,0511 Magnetic drive system and method
A magnetic coupling device for communicating continuous rotational or linear motion through a magnetic coupling of magnetic forces communicated from magnets...
US-1,005,0510 Magnetic gear device
Cylindrical outer and inner rotors coaxially supported so as to be rotatable, and a cylindrical stator interposed between the rotors are provided, and...
US-1,005,0509 Electrical power generation and distribution
Systems and methods of generating, storing and/or distributing electric power are disclosed. The system may include two or more direct current battery...
US-1,005,0508 Electric motor having a field element and an armature with a carrier
An armature has a plurality of armature cores arranged in a line in a first direction, coils wound on an area of the armature cores in a second direction, a...
US-1,005,0507 Linear motor having a plurality of sensor units and a modular stator setup
A linear motor, comprises at least one stator device (14) with a plurality of permanent magnets (18, 18-1, 18-2) of different polarity and with at least one...
US-1,005,0506 Linear compressor
Provided is a linear compressor. The linear compressor includes a cylinder defining a compression space for a refrigerant, a piston reciprocated in an axis...
US-1,005,0505 Linear vibration motor
A linear vibration motor is disclosed. The linear vibration motor includes a housing, a vibrator placed in the housing and an elastic component providing the...
US-1,005,0504 Motor structure for variable counter electromotive force
A motor structure for varying a counter electromotive force is provided. The motor structure includes a rotor that is fixed annularly and concentrically to a...
US-1,005,0503 Magnetless rotating electric machine
A magnetless rotating electric machine has an outer stator, an inner stator, and an annular rotor interposed between the outer stator and the inner stator. A...
US-1,005,0502 Double stator and motor comprising same
A double stator includes: a stator core; a bobbin wrapped on an outer circumferential surface of the stator core; and a first coil wound on one side of the...
US-1,005,0501 Brushless motor
A brushless motor includes a first motor unit and a second motor unit having a common rotary shaft and coupled to each other in an axial direction in which the...
US-1,005,0500 Coil end shaping apparatus
A coil end shaping apparatus shapes three flatwise bent portions f1 to f3 in a lead wire portion extending from one end of a coil by bringing first and second...
US-1,005,0499 Method of manufacturing voice coil
Provided is a method of manufacturing a voice coil, and more particularly, a method of manufacturing a voice coil in which a coil pattern is formed on a wafer...
US-1,005,0498 Apparatus for producing wound stators of dynamo electric machines formed from assembly of pole segments
An apparatus for manufacturing stators of dynamoelectric machines, the stators being formed as an assembly of pole segments; the apparatus comprising a seat...
US-1,005,0497 Method of assembling rotary electric machine
A method comprises: a step of disposing a coil end connection portion of a first stator coil end and a solid connection at mutually adjacent positions after the...
US-1,005,0496 Induced draft fan
An induced draft fan, including: a housing, a wind wheel, an AC motor, and a controller. The controller includes: an AC-DC conversion circuit, a microprocessor,...
US-1,005,0495 Systems and methods for regulating fluid flow for internal cooling and lubrication of electric machines
The invention provides systems and methods for cooling and lubrication of high power density electric machines with an enhanced fluid injection system. Multiple...
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