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Patent Searching and Data


Matches 351 - 400 out of 40,911

Document Document Title
WO/2022/113074A1
The present invention relates to an apparatus and method for extending solar photovoltaic system's strings size and stabilizing their DC-Bus voltage at any desired constant level up to the maximum level permitted by the local electric co...  
WO/2022/115192A1
In certain aspects, a system includes a voltage controller, wherein the voltage controller includes switches coupled between a voltage supply rail and an output of the voltage controller, each of the switches having a control input, and ...  
WO/2022/115411A1
A light fixture includes a communication input and output, a plurality of LED lights, an LED driver, first and second control modules, and a feedback circuit. The communication input is configured to receive a control signal. The communi...  
WO/2022/109581A1
An electric vehicle powertrain is disclosed. The powertrain includes an electric motor electrically coupled to an energy storage system That includes a motor control unit to determine a phase of the electric motor and a plurality of cell...  
WO/2022/105890A1
Provided are a voltage bias circuit with an adjustable output, and a chip and a communication terminal. The bias circuit comprises a bandgap voltage reference unit, a low-dropout linear voltage regulation unit, a first transmission gate ...  
WO/2022/108420A1
The present invention relates to an apparatus for controlling grid-forming power conversion. The apparatus may comprise: a grid-forming power conversion unit which converts power supplied from a renewable energy generator into a voltage ...  
WO/2022/105796A1
Provided are a low dropout regulator and an electronic device. The low dropout regulator comprises a control unit electrically connected to a second capacitor, the control unit being used for controlling the connection or disconnection b...  
WO/2022/105254A1
An apparatus, method and system for adjusting a voltage stabilization output of a power source (10). The power source (10) forms an output voltage according to a power supply current. The apparatus comprises a sampling module (11), a PID...  
WO/2022/103755A1
A lighting device and system having a faceplate and a backplate. The faceplate or the backplate may have an arm or a set of arms having electrical conductors to connect or couple to the electrical contact points of an outlet, plug, or sw...  
WO/2022/096857A1
This application relates to voltage regulators and, particular, to low-dropout regulators (LDOs). The regulator (300) has an output stage (102) which receives an input voltage (Vin) and outputs an output voltage (Vout) and which includes...  
WO/2022/098000A1
Various embodiments of the present invention disclose a method and a device comprising: a low drop output regulator (LDO); a first DC-to-DC converter; an antenna module including an antenna array IC and an antenna array; a second DC-to-D...  
WO/2022/099212A1
Provided for may be an electromagnetic interference mitigation apparatus comprising a power supply; a power cord; a power supply chassis encapsulating at least the power supply, the power supply physically isolated from the power cord; a...  
WO/2022/097267A1
A power regulator 1 for controlling the power supply from an AC power supply 3 to a load 2 by means of phase control, said power regulator 1 being provided with: a trigger circuit 13 which has a positive side current control element 13a ...  
WO/2022/098562A1
Low drop-out (LDO) regulator circuits and methods that can operate at high frequencies without the adverse consequences of an oscillatory resonance effect from a capacitive load. In a first embodiment, a low pass filter (LPF) is coupled ...  
WO/2022/097266A1
A power regulator 1 controls the supply of power from an AC power source 3 to a load 2 by means of phase control, and is provided with: a trigger circuit 13 that has a positive-side current control element 131 and a negative-side current...  
WO/2022/087812A1
A bandgap voltage reference circuit and an integrated circuit. The bandgap voltage reference circuit comprises: a reference voltage circuit (10) and a feedback branch (20), wherein the feedback branch (20) is connected to the reference v...  
WO/2022/094365A1
A linear voltage regulator (100) includes a voltage input (101) and a voltage output (102). The linear voltage regulator (100) includes a buffer (114) having a voltage node, an input node (108), an output node and a control node (114) an...  
WO/2022/088403A1
A low-current wide-range adjustable pulse constant current source circuit, relating to the technical field of power device static parameter Vgeth testing. The problem that existing constant current sources cannot satisfy the requirement ...  
WO/2022/091540A1
A substrate current suppression circuit (11) is provided with a fixed voltage line (8) that supplies a fixed voltage to collectors of third and fourth transistors. The fixed voltage is a voltage (VDD2) higher than the base voltage of the...  
WO/2022/085101A1
A reactive power supplementing device (1) is provided with a power converter (6) and a converter control unit (7), and supplements reactive power of an AC power system (2) with output reactive power of the power converter (6). The conver...  
WO/2022/082656A1
Provided are a low dropout linear regulator and a power supply circuit. The low dropout linear regulator comprises an output stage circuit (210) and an error amplifier (220); the output stage circuit (210) comprises an output node (211),...  
WO/2022/079086A1
A constant-gm current source (102), arranged to generate a supply current (IPIERCE) for a Pierce oscillator. First (P1) and second (N1) transistors have their source terminals connected to first (AVDD) and second (GND) supply rails respe...  
WO/2022/080625A1
The present invention relates to a multi-power supply capable of sequence control and, more particularly, provides a multi-power supply capable of sequence control whereby, in a circuit supplied with two or more external power sources, i...  
WO/2022/078137A1
A safety loop voltage regulating circuit, comprising a power supply regulating chip (1), and a safety loop (2) and contactor (KM) that communicate with the power supply regulating chip (1), wherein a plurality of safety switches (S1, S2,...  
WO/2022/067466A1
The present disclosure presents a current limiter, a method of operating the same, and a hotswap module comprising the same. The current limiter comprises: a current limiting module having an input terminal, an output terminal, and a con...  
WO/2022/070241A1
This single-phase/three-phase shared power regulator includes: a power supply phase acquisition unit (power supply waveform acquisition unit 12) that acquires phase information of a line voltage of an AC power supply; an AC current contr...  
WO/2022/069131A1
A current mirror arrangement comprises an input stage (10) with a series connection of an input mirror transistor (11) and an input cascode transistor (12) between supply terminals (VDD_HV, GND). A buffer stage (20) is configured to gene...  
WO/2022/071222A1
[Problem] To provide a digital control regulator that enables an improvement in stability, a reduction in variation of ripple voltage and droop characteristics, and reduction in size with a low voltage. [Solution] The digital control reg...  
WO/2022/066237A1
Examples are disclosed herein that relate to automatically limiting an output current of a voltage regulator circuit responsive to detecting that the voltage regulator is in a current overload mode. In one example, a voltage regulator ci...  
WO/2022/062448A1
An analog-to-digital converter and a thermopile array. The analog-to-digital converter comprises: a reference voltage generation circuit comprising a voltage generation unit (110); a chopping modulation unit (120) used to perform choppin...  
WO/2022/062191A1
A parallel-connected highspeed low-voltage large-current pulsed constant current source, relating to the technical field of power sources. Multiple outputs are controlled separately, and a DSP controller (S14) sends an SPI signal, unifor...  
WO/2022/058534A1
The invention relates to an electrical voltage source (1) comprising - an integrated circuit (2) comprising two input terminals configured to receive an electrical control signal, two output terminals configured to deliver an output volt...  
WO/2022/056923A1
A constant current source sampling circuit and method. The constant current source sampling circuit comprises a constant current source circuit (210), a resistor (230) to be sampled, a microcontroller unit (MCU), a power supply (220), an...  
WO/2022/057363A1
Disclosed are a photovoltaic direct-current direct-feed power generation method and apparatus based on a controllable power supply. In the present invention, a photovoltaic cell is directly connected to a direct-current micro-grid, and t...  
WO/2022/057026A1
An internal power generation circuit comprises: a first internal power generation circuit (10) used to generate a first power signal according to a signal of an external power source, wherein the first internal power generation circuit (...  
WO/2022/055619A1
One embodiment is a method for estimating an internal temperature of a battery, the method comprising obtaining multiple terminal impedance measurements, wherein each of the terminal impedance measurements is taken at a different one of ...  
WO/2022/055595A1
A low-dropout regulator architecture with undershoot mitigation. In one embodiment, a system including a low-dropout regulator and a digital-to-analog converter (DAC). The low-dropout regulator is configured to generate a load current an...  
WO/2022/055860A1
A method of controlling a headroom voltage of a transistor stage of an electroplating system to maintain a target power dissipation across the transistor stage may include maintaining a headroom voltage in the transistor stage for a load...  
WO/2022/048282A1
A current sharing circuit and current sharing control method for the power supply of multiple power sources. In the circuit, a source electrode of an NMOS transistor is connected to a combined output end; a drain electrode of the NMOS tr...  
WO/2022/047770A1
A photovoltaic device (200), a photovoltaic inverter (300), a system, and a limited power control method, the photovoltaic device (200) comprising: a DC/DC conversion circuit (201), an inversion circuit (202), and a controller (203); an ...  
WO/2022/048290A1
A voltage detection circuit and a charge pump circuit applying the voltage detection circuit. The voltage detection circuit comprises a voltage rise module (11) used for adjusting a voltage to be measured and then outputting an adjusted ...  
WO/2022/049455A1
The purpose of the present invention is to provide a secondary battery control circuit having a novel configuration. This secondary battery control circuit comprises a first transistor, a first voltage generation circuit that generates a...  
WO/2022/049893A1
This control circuit for controlling amplitude by a voltage regulator controls the amplitude with high precision. The control circuit is provided with a first voltage regular and a second voltage regulator. The first voltage regulator ...  
WO/2022/049106A1
The invention provides a micro device, such as a brain dust, arranged for implantation into biological tissue. A power management unit receives a wireless signal, e.g. an ultrasonic signal, from an external source and generates an electr...  
WO/2022/041011A1
A transient boost circuit for an LDO, a chip system and a device, which are used for reducing the chip area occupied by a capacitor whilst improving the transient state of the LDO. Said circuit comprises: an LDO, for outputting a first v...  
WO/2022/046335A1
A digital self-start controller, which is functional without fuse and/or trim information. The self-start controller protects a DC-DC converter against large inrush currents and voltage overshoots, while being capable of following a vari...  
WO/2022/037027A1
Disclosed is a photovoltaic assembly maximum power tracking method applicable to multiple connection types, comprising the following tracking steps: a) detecting the open-circuit input voltage from each photovoltaic assembly before an in...  
WO/2022/036410A1
An electrical power control apparatus, including: a magnetic core having a plurality of phase limbs for respective phases of electric power, each of the phase limbs being interconnected to the other phase limbs at respective ends of the ...  
WO/2022/035487A1
A resonant core power supply includes a core with excitation, resonant, and load windings where the resonant winding is coupled to a tank circuit and a controller manipulates the phase, amplitude and waveform of an excitation signal appl...  
WO/2022/036061A1
Embodiments of the present disclosure provide systems and methods of reducing the EMI effect generated by such analog blocks. By varying the clock frequency in time of oscillators used by such analog blocks, the EMI energy may be spread ...  

Matches 351 - 400 out of 40,911