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Systems and methods for constant current control with primary-side sensing
and regulation in various operation...
System and method for regulating a power converter. The system includes a first signal processing component configured to receive at least a sensed signal and...
Method and apparatus for a control circuit with multiple operating modes
A controller for use in a power converter includes an oscillator that generates a first signal that determines a duration of a switching cycle period of a...
Power conversion apparatus and over power protection method thereof
A power conversion apparatus and an over power protection method thereof are provided. A number of times a detection voltage being greater than a first...
Power supply apparatus with discharge circuit
A power supply apparatus is provided. The power supply apparatus includes a power conversion circuit, an AC safety capacitor and a control unit. An AC input...
Power converter and method of stabling voltage gain
A power converter includes a primary side compensation capacitor, a transformer and a secondary side compensation capacitor. The primary side compensation...
Power source apparatus and image forming apparatus
A power source apparatus includes a transformer configured to output a voltage, a feedback unit configured to output a feedback signal based on the voltage...
Power conversion apparatus
A power conversion apparatus includes a switch circuit which activates switching elements on the basis of a control signal, a feedback means which performs...
Power supply switching rectification method according to input alternating
voltage, and image forming apparatus...
A power supply includes a rectification unit configured to be able to switch a rectification method between a voltage doubler rectification method and a...
Synchronous VCC generator for switching voltage regulator
A capacitor is charged synchronously with the beginning of an ON portion of a pulse width modulated (PWM) signal to generate a voltage across the capacitor...
Converter and method for reducing a voltage of node thereof
A converter and method for reducing voltage of node thereof are disclosed herein. The converter includes a first transmitting circuit and a second transmitting...
Switching regulator, control circuit and control method thereof, and
A control circuit for controlling a switching transistor and a synchronous rectifying transistor of a switching regulator includes: a bottom detection...
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...
Single input multiple input/output supply for energy harvest application
An apparatus comprises a switching power circuit and a control circuit. The switching power converter circuit includes an output port for electrical coupling to...
Voltage switching system for integrated circuit
A voltage switching system for an integrated circuit (IC) operable in first and second operational modes includes a handover module, first and second voltage...
Switching regulator and control circuit and control method therefor
Disclosed are a switching regulator and a control circuit and a control method therefor. In one embodiment, the control circuit generates a supplementary signal...
I.sup.2 average current mode (ACM) control for switching power converters
Providing a fast current sensor direct feedback path to a modulator for controlling switching of a switched power converter in addition to an integrating...
Dual mode voltage regulator with dynamic reconfiguration capability
A dual mode voltage regulator according to one embodiment includes a passive regulator circuit; a switching regulator circuit; and a controller circuit...
Power regulator system with adaptive ramp signal generator
One embodiment includes a power regulator system. The system includes a switch control stage configured to generate at least one activation signal based on a...
Ultrahigh voltage charge pump apparatus implemented with low voltage
An charge pump architecture capable of generating ultra high DC voltages but implemented in low voltage CMOS technology uses a cascade of NMOS stages with the...
Feedback/feed forward switched capacitor voltage regulation
A method of controlling a switched capacitor voltage regulator includes modifying a topology factor associated with the switched capacitor voltage regulator in...
Interrupt protection circuits, systems and methods for sensors and other
Embodiments relate to circuits, systems and methods for providing interruption protection for sensors and other devices. One example embodiment includes an...
Voltage regulator devices and voltage regulating method
Various embodiments provide voltage regulator circuitry and devices. An exemplary voltage regulator circuitry can include a current comparing unit configured to...
Multi-converter system including a power distribution balancing circuit
and operating method thereof
A multi-converter system includes a first converter configured to receive an input voltage and output a first PWM switching signal based on the input voltage. A...
Passive power factor correction circuit, electronic device applying the
same and operation methods thereof
A passive power factor correction circuit includes: a DC capacitor and an input capacitor, coupled to a rectifying circuit and charged by a DC voltage from the...
Active power factor corrector circuit
An electronic device includes a controller configured to apply slope compensation to a reference signal in a power factor corrector. The device also configured...
Multi-input DC converter and PFC circuit
The application discloses a multi-input DC converter and a PFC circuit. The multi-input DC converter of the application includes n diodes, a transformer, a...
Pre-distortion of sensed current in a power factor correction circuit
An example controller includes a power factor enhancer, an on-time controller, and a switching signal generator. The power factor enhancer is coupled to...
System and method for controlling charge pump circuit, and display device
The present disclosure provides a system and a method for controlling a charge pump circuit, and a display device. The system includes the charge pump circuit...
High-voltage protection circuit, high-voltage protection method and power
Disclosed are a high-voltage protection circuit, a high-voltage protection method and a power supply. The high voltage protection circuit comprises a main...
Semiconductor integrated circuit and operation method of the same
The present invention is to reduce the possibility that a DC-DC converter stops in the case where supply power is small and load current is large. Output...
Control circuit to detect a noise signal during a state change of a switch
Several circuits and methods for driver control of a switching circuit are disclosed. In an embodiment, a circuit for driver control of a switching circuit...
A linear actuator for generating a thrust force for relatively displacing an outer tube and an inner tube in an axial direction includes a rod standing in an...
Electromagnetic reciprocating engine
The invention relates to an electromagnetic reciprocating engine capable of efficiently converting electrical energy into mechanical energy. The electromagnetic...
Actuator, optical scanner, and image forming apparatus
An actuator including a movable portion that swings about a swing axis, a connecting portion that extends from the movable portion and torsionally deforms in...
Slip ring device for rotating electric machine
Provided is a slip ring device for a rotating electric machine, which is capable of reliably retaining a long lead while preventing movement and deformation of...
Stator for electric rotary machine
A stator for an electric rotary machine includes: a stator core having a plurality of slots; and segmented coils of a plurality of phases, wherein: the...
Rotating electric machine and method for controlling the rotating electric
A rotary electric machine includes a rotor that is arranged such that an axis of rotation of the rotor extends in a horizontal direction, a stator that is...
Rotating electrical machine for vehicle
A rotating electrical machine for a vehicle includes a protective cover including a protruding portion projected to an opening side from a circumferential edge...
Inverter terminal block installed in motor case
In a terminal block 10 which is interposed between a motor case 100 and an inverter case 200 placed in the motor case 100 and connects a motor input terminal to...
Motor-driven compressor housing, cover, and seal
A motor-driven compressor is provided that includes a housing made of a metal material, a compression portion, an electric motor, a cover made of a metal...
Electric motor structure to minimize electro-magnetic interference
An electric motor is configured with a stator core assembly that includes a stator core having a plurality of winding slots. A plurality of stator windings pass...
Armature winding of rotating electrical machine
According to one embodiment, there is provided a 3-phase 2-pole 2-layer armature winding, housed in 72 slots provided in a laminated iron core, a winding of...
Rotary electric machine equipped with rotor core of step skew structure
In a rotary electric machine having a rotor core of a skew structure, when one of the core blocks is sequentially stacked on the other of the core blocks to...
Rotor for an electric machine
A rotor for an electric machine has a rotor member extending circumferentially about the axis of rotation of the rotor, and a locking device in an axial end...
Rotor of a permanently excited synchronous machine
A rotor of a permanently excited synchronous machine includes a shaft capable of rotating about an axis and a laminated core having an axial layering...
An electric motor has a wound stator and a permanent magnet rotor. The rotor includes a shaft, a hub fixed on the shaft, a plurality of rotor core segments and...
Rotating electric machine
A rotating electric machine includes a rotor including: a rotor core divided into blocks in an axial direction, the blocks being arranged to have a phase angle...
A motor is disclosed, the motor including a housing, a stator mounted on the housing, and including a stator core having a plurality of teeth, an insulator and...
Electrical generator with rotational gaussian surface magnet and
A Gaussian Surface Neodymium magnet of at least one or a plurality of spherical or any other Gaussian Surface configuration that is seated in the center of a...
Segmented stator assembly
A stator has a plurality of segments connected with connectors to define a core for the stator. Each of the segments comprises a plurality of laminations...