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Power conversion device
A power conversion device includes a full-bridge switch circuit, a converter circuit, and a control circuit. The full-bridge switch circuit is operable to...
Isolated power converter and switching power supply using the same
Disclosed are an isolated power converter and a switching control signal using the same. In the isolated power converter, the positions of the power switch and...
Programming of a two terminal device
A two-terminal device that is configured to respond to a voltage modulation of an input signal received through the two terminals by triggering an action. The...
Power converter system with synchronous rectifier output stage and reduced
no-load power consumption
A power converter circuit may convert alternating current signals into direct current signals. A load may be powered from output terminals that are provided...
Variable feedback signal based on conduction time
A controller for a power converter includes conduction detection circuitry and a variable reference generator. The conduction detection circuitry is coupled to...
Switching power supply apparatus including controller that switches a
switching unit based on the amount of...
A switching power supply apparatus includes an isolated converter that has efficiency characteristics in which power conversion efficiency at a rated load is...
Adaptive low-power zero-cross comparator for discontinuous current mode
operated switching mode power supply
A time off estimator and an adaptive controller implemented on an integrated circuit to emulate current dependent zero crossing circuitry to permit improved...
Systems and methods for controlling power converters
A non-isolated (transformerless) direct current-to-direct current (DC-DC) power supply includes a voltage converter module that converts DC input voltage having...
Voltage regulator with hybrid adaptive voltage position and control method
A voltage regulator with hybrid adaptive voltage position includes a resistor, a controllable current source, a current DAC and an error amplifier. The resistor...
Step-up converter for boosting voltage from a power source system
The step-up converter includes the plurality of converting units, each having the reactor and the semiconductor element part having electronic parts such as the...
System and method for providing adaptive dead times for a half bridge
System and method for adaptively altering a power supply's dead time. A method comprises detecting a start of a dead time, detecting an ending condition of the...
Semiconductor integrated circuit power supply control device
A semiconductor integrated circuit device according to an embodiment includes at least one first transistor connected at its source to an input power supply...
Switched mode assisted linear regulator with seamless transition between
power tracking configurations
A Switch Node Assisted Linear architecture, including a linear amplifier in parallel with a switched converter, is configurable in two tracking modes: (a) a...
Self-biased charge pump
An apparatus including: a current source configured to generate current; a switching current source circuit coupled to the current source and a first bias node...
Parallel-connected power conversion system of multi-phase generator and
method of operating the same
A parallel-connected power conversion system of a multi-phase generator configured to provide a power factor correction for a multi-phase generator. The...
Systems and methods for a battery life extender
Systems and methods for a battery life extender are disclosed. One disclosed system includes: a switching circuit configured to be coupled to a battery; a first...
Variable switched capacitor DC-DC voltage converter
In a voltage converter, a mode configuration is selected in response to a mode control signal using a switch matrix having two or more mode configurations. Each...
High efficiency voltage level multiplier
A voltage multiplier circuit. The voltage multiplier circuit includes a storage element, a first transistor, a second transistor and third transistor. The...
Control circuit, control method used in PFC circuit and power source
A control circuit, control method used in a PFC circuit and the power source system thereof are disclosed herein. The control circuit comprises: a zero current...
Semiconductor device and power source control method
There is provided a semiconductor device including: a power source section that steps down a power source voltage to generate a step-down voltage, and that...
Power supply system
A power supply system includes: a switching power supply; a control device; an auxiliary power supply circuit, which is connected in parallel with the switching...
Mechanical bypass switch device, converter arm and power converter
It is provided a mechanical bypass switch device arranged to bypass a converter cell in a power converter. The mechanical bypass switch device includes: a...
Controlling a modular converter with a plurality of converter modules
A method for controlling a modular converter with a plurality of converter modules includes: selecting possible future switching sequences of the converter...
Apparatus and method for controlling low voltage DC/DC converter by using
input current information on low...
A low voltage DC/DC converter (LDC) control apparatus for controlling an LDC including a transformer and a PWM controller is provided. The low voltage DC/DC...
Resistance generating device
A resistance generating device for a vehicle includes first and second transmission members placed next to each other along a rotary axis of the transmission...
Voice coil motor array module
A voice coil motor array module includes a carrier, and a plurality of voice coil motors disposed on the carrier and arranged side by side in at least one row...
Permanent magnet linear actuators
An electromagnetic actuator including: a core comprising a material having a high magnetic permeability relative to air; an array of coils sequentially arranged...
Linear vibration motor with protrusion blocking solder attaching printed
circuit board to case
A linear vibration motor includes a stator part including a case having an internal space formed in the case, a bracket coupled to the case to close the...
Oscillating rotary swing actuator with rotary solenoid and projecting
A rotary solenoid includes a swing yoke to which two magnets are fixed and a fixed yoke including projection portions at opposite sides thereof. An...
Electric motors are disclosed with coils which induce a magnetic flux field which by its relationship with ferromagnetic poles provide the motoring force...
Stator core with a strucuture to improve assembly characteristics
Disclosed stator core for motor is comprising: more than one stator core body; a fixing unit, which is arranged at both ends of the stator core body and fixes...
Drive device and electric power steering device including the drive device
A drive device that includes a motor having a rotor disposed relative to a stator, a cover having a one-end-closed cylinder shape and positioned on one axial...
Rotary electric machine for vehicle
A rotary electric machine for a vehicle is obtained in which cooling performance between phases of a coil can be improved. The rotary electric machine for a...
System and method for cooling dynamoelectric machine
A system for cooling a dynamoelectric machine is provided. The system includes a coolant medium inlet, a coolant medium outlet and a fan connected to a rotor of...
Brushless motor fan with stator insulator having ventilation recesses and
A cooling structure for a brushless motor, which includes a stator, a rotor, and a motor shaft arranged integrally with the rotor. The stator includes a stator...
Rotor for an electric machine and method for retrofit
The rotor for an electric machine comprises a shaft, a spider on the shaft, a laminated drum on the spider. The spider has a plurality of apart elements...
Damper with linear power generation and reluctance
A damper with linear power generation and reluctance includes a tube body, a movable driving rod, and a generator whereby the driving rod displaces in linear...
A linear actuator has a stator with two stator coils and pole plates forming stator poles. A rotor is rotatably mounted to interact with the stator poles. The...
Resilient rotor assembly for interior permanent magnet motor
An electric motor comprises a shaft, an interior magnet rotor core comprising a central bore and a pair of opposing ends faces, and at least one resilient...
A terminal board includes a base portion with a length; a plurality of terminals extending from the base portion; and a plurality of barriers extending from the...
Water-cooled electrical motor
A water-cooled motor includes a housing (10) for accommodating at least a stator (30) and a rotor (40), the housing (10) having a flange (64) on a side wall...
Rotating electric machine
The present invention provides an AC generator for a vehicle, in which a resin case (26) includes convex portions (33) formed on an outer circumferential...
Rotary electric machine
A spacer in a rotary electric machine according to the present invention complements by thermal expansion a gap between a bearing housing portion and an outer...
Electric motor support structure and power equipment unit incorporating
An outdoor power equipment unit such as a string trimmer, and an electric motor support structure for use with the same. The structure may form a cage that...
Electric motor for the cooling fan of a vehicle
A motor for a cooling fan of a vehicle has a rotor including a driving shaft mounted so as to be rotatable in a stator and a bowl-shaped metal case, having a...
Systems and methods for insulating Y-points of three phase electric motors
Systems and methods for insulating the Y-points of three-phase electric motors commonly used in ESP systems, in which the Y-points are not grounded or tied to a...
Method of manufacturing a power tool with molded armature
A method of manufacturing an armature for an electric motor, includes: placing a commutator and a lamination stack on an armature shaft, winding magnet wire in...
Rotary electric machine and method of manufacturing the same
A rotary electric machine according to the present invention includes a stator having a connection member forming a three phase delta connection by coil...
Induction motor stator windings
Induction motor stator windings are described. An electric submersible pump apparatus comprises an induction motor rotatably coupled to a multi-stage...
A rotor includes a rotor iron core in which magnet insertion holes that are arrayed in a radial direction so as to be convex toward an inner peripheral side are...