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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...
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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...
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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),...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 (...
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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 ...
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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...
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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...
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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...
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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 ...
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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 ...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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 ...
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WO/2022/033457A1 |
Disclosed are a self-adaptive fast-response LDO circuit and a chip thereof. Said circuit comprises a band gap reference circuit, an error amplifier, a power tube, a feedback resistor network, and a self-adaptive acceleration response cir...
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WO/2021/248128A9 |
In a line to line fault detection and protection system, a source end power supply supplies power to a remote load over a transmission line and monitors the dynamic behavior of a transmission line power characteristic. If that dynamic be...
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WO/2022/032251A1 |
One or more examples relate, generally, to a programmable voltage lockout circuit (104) provided at an electronic device (102). Such a programmable voltage lockout circuit asserts a lockout of the electronic device at least partially res...
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WO/2022/028052A1 |
A chip control method for implementing quick current response. The method comprises the following steps: step 1, connecting a valley current change signal of a chip inductor to a controller; step 2, detecting the change of a valley curre...
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WO/2022/029452A1 |
A transformer for adjusting the voltage supplied to a load, the transformer comprising a primary winding connectable to a primary AC electrical supply and a secondary winding connectable in series between a live supply and a load. The pr...
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WO/2022/030119A1 |
This power supply circuit, which generates an output voltage of a desired level from an input voltage, is provided with: a variable resistor provided between a prescribed node and wiring to which the input voltage is applied; a voltage g...
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WO/2022/026941A1 |
In some examples, an apparatus (104) comprises a switching regulator circuit (112), an output circuit (114), a duty cycle comparison circuit (106), a current comparison circuit (108), and a switching regulator control circuit (110). The ...
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WO/2022/026059A1 |
In certain aspects, a driver includes a pull-down transistor coupled between an output and a ground, a pull-up n-type field effect transistor (NFET) coupled between a first voltage rail and the output, and a pull-up p-type field effect t...
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WO/2022/026408A1 |
A linear voltage regulator with isolated supply current is disclosed. The voltage regulator is configured and controlled such that its output current closely matches its input current (any quiescent current consumed by the regulator is n...
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WO/2022/026060A1 |
In certain aspects, a voltage regulator includes a pass n-type field effect transistor (NFET) coupled between a first voltage rail and a second voltage rail, and a pass p-type field effect transistor (PFET) coupled between the first volt...
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WO/2022/026354A1 |
An apparatus (500) includes a first control circuit (508) having an output and including a first comparator (524) and a second control circuit (510) coupled to the output of the first control circuit (508). The second control circuit (51...
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WO/2022/022853A1 |
A voltage regulation device includes: an input node configured to receive electrical power from an electrical power source; a primary winding electrically connected to the input node; an output node configured to provide electrical power...
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WO/2022/016738A1 |
A signal sending circuit simulating an optical coupler. The signal sending circuit comprises a reverse voltage protection module (1), voltage clamping module (2), and an isolated transmission module (3) connected in sequence. The reverse...
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WO/2022/017212A1 |
An electric vehicle charging system using solar power, comprising a curved solar panel (1) attached to and fixed to a top surface of a vehicle, a movable solar panel (2), a solar panel state control device (3) and an intelligent voltage ...
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WO/2022/019969A1 |
In certain aspects, a voltage regulator includes a pass transistor coupled between an input of the voltage regulator and an output of the voltage regulator, and an amplifier having a first input coupled to a reference voltage, a second i...
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WO/2022/015896A1 |
A system for charging a device can include a housing and a first solar panel, a second solar panel connected in series to the first solar panel, and a third solar panel connected in series to the first solar panel and the second solar pa...
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WO/2022/014775A1 |
The present invention relates to a battery charging control method for a power generation system using renewable energy and a battery charging control system for a power generation system using new renewable energy, capable of maximizing...
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WO/2022/011339A1 |
A circuit (300) is provided. In some examples, the circuit includes a first transistor (336) having a gate and a drain coupled together and a current source (334) coupled to the drain of the first transistor (336). A second transistor (3...
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