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Patent # Description
US-1,029,1147 Current reduction system for inverters connected to a common bus
The systems and methods described herein relate to electrical circuits. A system (e.g., inverter current system) is provided. The system includes plural...
US-1,029,1146 Gate driver circuit for a rectifier device including a cascade of transistor stages
In some examples, a rectifier device includes a semiconductor substrate, an anode terminal and a cathode terminal connected by a load current path of a first...
US-1,029,1145 Inverter assembly for electric power system
An inverter assembly for a power system is provided. The inverter assembly includes a plurality of stackable housing members and a plurality of inverter units...
US-1,029,1144 Intelligent power module, electric vehicle, and hybrid car
An intelligent power module includes at least one power semiconductor module including a semiconductor device, and a sealing body sealing an outer periphery of...
US-1,029,1143 Voltage converter without electrolytic capacitor
A long-life intelligent step-down conversion device includes a high-frequency modulation unit including a first switching tube and a second switching tube, an...
US-1,029,1142 LLC balancing
A converter arrangement with at least two single LLC converters, a pulse generator per single LLC converter wherein each pulse generator is configured to supply...
US-1,029,1141 Flyback converter
A converter circuit is disclosed. The converter circuit includes a transformer and a primary circuit connected to the primary side of the transformer, where the...
US-1,029,1140 Phase-shifted full-bridge topology with current injection
Methods for operation of a phase-shifted full-bridge topology power converter in a true soft-switching mode, regardless of the value of the leakage inductance...
US-1,029,1139 Two-transformer three-phase DC-DC resonant converter
A transformer circuit includes a first transformer, a second transformer and an inductor, where a first terminal of the first transformer is coupled to a first...
US-1,029,1138 Isolated phase shifted DC to DC converter with secondary side regulation and sense coil to reconstruct primary...
Disclosed examples include isolated dual active bridge (DAB) DC to DC converters with first and second bridge circuits, a transformer with a sense coil, and a...
US-1,029,1137 Flyback power converter circuit and high voltage start-up circuit thereof
A flyback power converter includes a transformer having an auxiliary winding for generating an auxiliary voltage and providing a supply voltage on a supply...
US-1,029,1136 Control device and control method
A control device applied to a flyback converter including an auxiliary switch includes: a current detector configured to detect an amplitude of a current of the...
US-1,029,1135 Systems and methods for regulating power conversion systems operating in quasi-resonant mode
Systems and methods are provided for power conversion system regulation. A system controller includes: a first signal processing component configured to receive...
US-1,029,1134 Switching mode power supply with an anti-windup circuit including a voltage clamping circuit
The anti-windup circuit generally has a voltage clamping device in series with a current limiting device operatively connectable to the output current path of a...
US-1,029,1133 Switching power supply device
A switching power supply device having a synchronous rectifier IC on a secondary side, responds to an anomaly on a primary side based on detecting an occurrence...
US-1,029,1132 Integrated circuit with selection between primary side voltage regulation and secondary side voltage regulation
An integrated circuit may detect a pin voltage at a selector pin. The integrated circuit may compare the pin voltage to a threshold voltage. The integrated...
US-1,029,1131 Systems and methods for peak current adjustments in power conversion systems
System and method for regulating an output of a power conversion system. An example system controller includes a signal generator and a modulation and drive...
US-1,029,1130 System and method for controlling output signal of power converter
A method includes generating a first gain control signal and a second gain control signal in response to a gain transition signal indicating a transition of a...
US-1,029,1129 Overcurrent recovery in flybuck converters
In operation of a flybuck converter, a first output capacitor is charged and, after this charging, charge is transferred from the first output capacitor to a...
US-1,029,1128 Minimizing body diode conduction in synchronous converters
A synchronous converter that includes a power source, an inductor, an output terminal, and a control circuit. The control circuit may include: an electronic...
US-1,029,1127 Dynamic reduction of synchronous rectifier power losses based on at least one operating condition
Methods and circuits for controlling a synchronous rectifier. An operating condition of the synchronous rectifier is detected. A voltage level applied to turn...
US-1,029,1126 Single-inductor multiple-output DC/DC converters with pulse-skipping mode and deadtime switch control
A single inductor multiple-output DC-DC converter includes an inductor coupled to a first input switch and a second input switch to store energy from supply...
US-1,029,1125 DC-DC converter having feedforward for enhanced output voltage regulation
Methods and apparatus for a DC-DC converter having input voltage feedforward for reducing the effects of input voltage signal transients. In embodiments, a...
US-1,029,1124 Spread spectrum control apparatus and method
A power converter includes a first switch and a second switch connected in series between an input power source and ground, an inductor connected between a...
US-1,029,1123 Multi-port converter structure for DC/DC power conversion
A module for interconnecting a pair of DC sources or a pair of DC loads into a DC bus includes: a first port for each source or load; a switching cell for each...
US-1,029,1122 Input voltage detection circuit and power supply including the same
Provided are an input voltage detection circuit and a power supply including the same. The power supply includes a rectifier circuit configured to generate a...
US-1,029,1121 DC-to-DC converter and a digital constant on-time controller thereof
A digital constant on-time controller adaptable to a direct-current (DC)-to-DC converter includes a current sensing circuit that senses stored energy of the...
US-1,029,1120 Boost DC-DC converter having digital control and reference PWM generators
A boost DC-DC converter operating in pulse frequency modulation (PFM) and pulse width modulation (PWM) modes includes a plurality of PWM signal generators. The...
US-1,029,1119 Control circuit for switching power supply
A control circuit for a switching power includes a driver unit that receives an error signal outputted from an error amplifier and generates driving pulses to...
US-1,029,1118 Power converter controller
A power supply, comprising a controller comprising a first switch coupled between a first node and a second node, a first resistor coupled between the second...
US-1,029,1117 Switched power converter with configurable parallel/serial inductor arrangement
A multi-phase power converter is described, which is configured to convert power between an input port and an output port. The multi-phase power converter...
US-1,029,1116 Output control method for a digital controller of a source measure unit
An output control method for a controller includes the following steps. At each of detection time points, the controller detects a detection voltage value and a...
US-1,029,1115 Power factor correcting device, bidirectional AC/DC conversion apparatus and computer program
A power factor correcting device that controls switching of a converter that converts AC voltage inputted via a circuit with a capacitor through which reactive...
US-1,029,1114 Phase angle and voltage balancing in a multi-phase system
Systems and methods for phase angle balancing and voltage balancing in multi-phase systems are described herein. The system can include a multi-phase control...
US-1,029,1113 Flyback power converter circuit and primary side controller circuit thereof
A flyback power converter includes a transformer having a primary winding receiving an input power, a secondary winding generating an output power, and an...
US-1,029,1112 Bypass circuit and method having switch biased to provide bypass of power from power modules in a power system
A method and apparatus to bypass, using bypass circuits, non-operating power modules in a power system. Multiple power sources are coupled to inputs of...
US-1,029,1111 Feedback control for parallel power converter synchronization
A system and method includes parallel power converters, at least one current sensor, and a first feedback control circuit. A first power converter is configured...
US-1,029,1110 Driving circuit for switching element and power conversion system
In a drive circuit, a rate adjuster adjusts a charging speed of a MOSFET to be faster than the charging speed of an IGBT when a drive state changer changes the...
US-1,029,1109 Critical-mode-based soft-switching techniques for three-phase bi-directional AC/DC converters
Critical-mode soft-switching techniques for a power converter are described. In one example, a power converter includes a converter electrically coupled between...
US-1,029,1108 Rectifying devices and rectifier arrangements
A rectifying device includes a power transistor, a gate control circuit and a capacitor structure arranged on a single semiconductor die. The power transistor...
US-1,029,1107 Power generator, power generator set and power generation system
A power generator 100 includes a power generating unit 10 and a supporting member 20 for supporting the power generating unit 10. The power generating unit 10...
US-1,029,1106 Stator, rotary electric machine provided with the stator and method of manufacturing the stator
In a stator, a stator winding is wound at a stator core. The stator winding has a section whose shape is rectangular and includes a plurality of conductors...
US-1,029,1105 Cooling structure of drive motor
A cooling apparatus of a drive motor is disclosed. An exemplary embodiment of the cooling apparatus may include a flow passage through which coolant flows. The...
US-1,029,1104 Apparatus for cooling an electric rotating machine
An electric rotating machine that can raise the utilization efficiency of cooling oil is obtained. In an rotation axle, there are provided an oil flow path...
US-1,029,1103 Brushless direct current motor with integrated fan
Provided is a rotor assembly for a brushless direct current motor. The rotor assembly includes an insert which fits within an outer rotor cup. The insert...
US-1,029,1102 Motor with heat dissipation structure
A motor includes a housing, a front cover, a rotating shaft, and a cooling fan. The front cover is formed with multiple air guiding fins and multiple first...
US-1,029,1101 Permanent-magnet direct-drive wind power generator, system and stator thereof
A permanent-magnet direct-drive wind power generator, a system and a stator thereof are provided. The stator includes a stator support, a stator iron core...
US-1,029,1100 Engine system
A package has its internal space divided into a top compartment and a bottom compartment. The bottom compartment contains the engine. The top compartment is...
US-1,029,1099 Biomechanical electricity generating assembly including sleeve with leg actuated dynamos
A biomechanical electricity generating assembly for powering electronic devices includes a sleeve that has opposing ends, which are open. The sleeve is...
US-1,029,1098 Drive system having an electric motor and transmission
A drive system, in particular for applications in conveying technology and the food industry, having a fixed shaft, an electric motor including a rotor...
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