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Patent # Description
US-1,024,3482 Solid-state power converters
A phase leg for a multilevel inverter includes a first direct current lead, an outer solid-state switch, an inner solid-state switch, and a midpoint-clamping...
US-1,024,3481 Power supplies having feedforward control using pulse modulation and demodulation
Example isolated AC-DC power supplies include a PFC converter coupled to an AC input, a DC-DC converter coupled between the PFC converter and a DC output, and a...
US-1,024,3480 Multi-cell converter apparatus including isolating component
To provide a multi-cell converter apparatus that is both miniature and low-cost, provided is a multi-cell converter apparatus including a plurality of AC/DC...
US-1,024,3479 Power harvesting circuit and applications thereof
A power harvesting circuit, a rectifier circuit and a capacitor. The rectifier circuit includes a diode circuit and a diode voltage reduction circuit. The diode...
US-1,024,3478 High-power single-stage LED driver with bipolar ripple cancellation
Provided are circuits and methods for a power converter that converts AC input power into DC output power using a first output circuit that provides a first...
US-1,024,3477 Semiconductor device having a bypass capacitor
A semiconductor device 1 of an embodiment is provided, including an insulating substrate 2, conductive pattern parts 51, 52, 53, 54, and 55 formed on the...
US-1,024,3476 Power conversion device and power conversion method
A power conversion device includes a switching circuit and a switch driver. The switching circuit includes a plurality of switching elements including a first...
US-1,024,3475 Power conversion device and method of operating a power conversion device
A power conversion device includes a low-pass filter, a second inductor, a first switch, a third switch, a second capacitor, and a controller. The low-pass...
US-1,024,3474 Electronic converter and related method of operating an electronic converter
An asymmetric electronic half-bridge converter includes a positive input terminal and a negative input terminal for receiving a DC voltage, and two output...
US-1,024,3473 Gate drive IC with adaptive operating mode
An LED driver is provided having a gate drive integrated circuit with an adaptive operating mode which operates between a first operating mode and a second...
US-1,024,3471 Power converter controller with multiple power sources
A controller includes a first power circuit, a second power circuit, and a charging control circuit. The first power circuit is coupled to a bypass terminal and...
US-1,024,3470 Power control module for an electronic converter, related integrated circuit, electronic converter and method
A control circuit for an electronic converter having a power stage controls the operation of a power stage as a function of a feedback control signal that...
US-1,024,3469 Adaptive burst generation for use with a DC-output converter
These teachings apply with respect to a direct current (DC)-output converter and provide for adjusting a number of switching pulses per burst cycle as a...
US-1,024,3468 Secondary-side dynamic load detection and communication device
A switching power converter provides regulated voltage to a load. The switching power converter comprises a transformer including a primary winding coupled to...
US-1,024,3467 Voltage regulators with kickback protection
The subject matter of this document can be embodied in a method that includes a voltage regulator having an input terminal and an output terminal. The voltage...
US-1,024,3466 Switching power supply apparatus and error correction method
In a switching power supply apparatus, a magnitude of an output current of a first converter, which has been detected in a state in which a second converter is...
US-1,024,3465 Self-stabilized constant on-time control
Some apparatus and associated methods relate to a buck-derived switched mode power supply with constant on-time and configured to substantially maintain a...
US-1,024,3464 Power regulator with prevention of inductor current reversal
A controller including a voltage synthesizer for a switching regulator includes a synthesizer input to be coupled to an input of the regulator. First and second...
US-1,024,3463 Non-inverting buck-boost converter control
An apparatus comprises a voltage supply configured to provide an input voltage, a buck-boost converter coupled to the voltage supply and comprising an inductor,...
US-1,024,3462 High speed tri-level input power converter gate driver
Various methods and devices that involve electronic circuits are disclosed. A disclosed method includes buffering an input signal using a first buffer. The...
US-1,024,3461 Adaptive voltage regulator
A voltage regulator circuit includes a comparator configured to compare whether an output voltage of the voltage regulator circuit is either equal to or less...
US-1,024,3460 Method and apparatus for dynamic voltage transition control in semi-resonant and resonant converters
A voltage converter includes a power stage coupled to a power source, a passive circuit coupling the power stage to an output capacitor, a synchronous...
US-1,024,3459 Systems and methods of overvoltage protection for LED lighting
System controller and method for a power converter. For example, a system controller for a power converter includes a logic controller configured to generate a...
US-1,024,3458 Method and apparatus for hysteresis regulation of the output voltage of a DC-to-DC converter
A method and a device for monitoring the output current from a DC static converter. The monitoring device has a switching device for switching a switch on the...
US-1,024,3457 Feedback control for efficient high-speed battery charging
A voltage regulator system, comprising: a switched capacitor (SC) regulator that operates at a switching frequency and receives an input voltage; and a...
US-1,024,3456 Voltage regulator with load current prediction and method therefor
A voltage regulator includes first and second bias circuits, a transistor, and a load prediction circuit. The transistor has a first current electrode coupled...
US-1,024,3455 Bidirectional DC-DC converter
The present invention provides a bidirectional DC-DC converter. The bidirectional DC-DC converter includes a first switching tube connected in antiparallel to a...
US-1,024,3454 Boost circuit
A boost circuit includes a power rail to provide a supply voltage, a switch transistor controlling output of a boosted signal from a source of the switch...
US-1,024,3453 Common mode noise cancelation in power converters
This disclosure describes a circuit, a method, and a system to mitigate common mode noise in a power converter. The converter may include a transformer that...
US-1,024,3452 Electromagnetic shield for use in a power system
An electromagnetic shield including a base portion and opposing recess walls extending from the base portion at an angle with respect to a plane in which the...
US-1,024,3451 System and method for powering a switching converter
A circuit and method for regulating an internal power supply of a switching converter is presented. A switching converter with a depletion mode power switch...
US-1,024,3450 Flyback converter with a snubber circuit
A flyback converter (21) for use in a power supply for an electric actuator system comprises a snubber circuit with a snubber capacitor (23) for accumulating...
US-1,024,3449 Multifunction three quarter bridge
Some apparatus and associated methods relate to a buck-derived switched mode power supply with three-quarter bridge (TQB) formed with a bypass switch in...
US-1,024,3448 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-1,024,3447 Converter control with reduced link capacitor
A controller controls power between a source and a load with a link capacitor. (a) A switch vector is selected based on load and source values, a capacitor...
US-1,024,3446 Current reference based selective harmonic current mitigation pulsed width modulation
Methods and apparatuses for selective harmonic current mitigation pulse width modulation (SHCM-PWM) are provided. Low switching frequencies can be utilized for...
US-1,024,3445 Semiconductor device and control method thereof
The invention addresses providing a semiconductor device that enables to reduce noise simultaneous with switching. A driver IC which is a semiconductor device...
US-1,024,3444 Power converter system having active standby mode and method of controlling the same
A power system for power conversion between at least one power source and a grid is disclosed. The power system includes a power converter having a plurality of...
US-1,024,3443 Bias voltage generator for n-channel based linear regulator
Apparatus and methods for a bias supply circuit to support power supply including a switched-mode voltage converter cascaded with an n-channel-based linear...
US-1,024,3442 Controller with frequency to on-time converter
A controller for use in a power converter includes a secondary controller coupled to receive a feedback signal representative of an output of the power...
US-1,024,3441 Controlled motion system having a magnetic flux bridge joining linear motor sections
A linear controlled motion system comprises a track formed from one or more track sections and having at least one mover mounted to the track and effective for...
US-1,024,3440 Electromagnetic generator and method of using same
An electromagnetic generator comprises one or more flux assembly having at least one coil and at least one magnetic field source separated by a gap. An...
US-1,024,3439 Single-phase outer-rotor motor and stator thereof
A single-phase outer-rotor motor and a stator thereof are provided. The stator includes a stator core having a yoke and a number of teeth. Each tooth includes a...
US-1,024,3438 Single-phase outer-rotor motor and rotor thereof
A single-phase outer-rotor motor includes a stator and a rotor surrounding the stator. The stator includes a stator core and windings wound around the stator...
US-1,024,3437 Permanent magnet rotor and permanent magnet rotary assembly
A permanent magnet rotor and a permanent magnet rotary assembly are provided. The permanent magnet rotor includes a rotor core, a plurality of permanent magnets...
US-1,024,3436 Wound rotor synchronous motor for vehicle
A Wound Rotor Synchronous Motor (WRSM) includes a rotor body that is rotatably installed at a predetermined gap within a stator and a rotor coil that is wound...
US-1,024,3435 Electric motor rotor optimized for great powers
A rotor for a high-speed, high-power electric motor includes, according to the rotor axis, a magnetic mass surrounded on both sides by short-circuit rings, and...
US-1,024,3434 Stator with overmolded core and mold for producing same
A stator of an electric motor includes a core and a covering overmolded on the core. The mold for overmolding the covering on the core includes first and second...
US-1,024,3433 Refrigerating machine with detachable hall element
A refrigerating machine having a detachable Hall element is provided with a cold heat exchange mechanism. The cold-heat exchange mechanism is driven by a...
US-1,024,3432 Rotation angle detection device
A rotation angle detection device detects a rotation angle of a motor having a shaft passing through a heat-dissipation plate. The rotation angle detection...
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