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WO/2021/172001A1 |
Provided is a constant voltage generation circuit having high output voltage precision. The constant voltage generation circuit (1) has: a depression-type first transistor (M1) and an enhancement-type second transistor (M2) that form a...
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WO/2021/171402A1 |
The purpose of the present invention is to provide a feature making it possible to adequately suppress consumption of charged power in a charge unit. When a load current flowing to a load part side exceeds the allowable value for a curre...
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WO/2021/173866A1 |
Tracking patient compliance with treatment protocols is an important aspect of delivering high quality healthcare. A system for tracking compliance with protocols that include the periodic consumption of oral medication includes a mobile...
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WO/2021/160995A1 |
According to one implementation of the present disclosure, a method includes providing one or more tuning parameters of a transistor device at a first temperature of a range of temperatures below a temperature threshold; and adjusting th...
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WO/2021/153172A1 |
The present disclosure provides bandgap reference circuits having multi-level chopping actions to current mirror circuits for the purpose of reducing the flicker noise of the output reference voltage. A bandgap reference circuit includes...
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WO/2021/154881A1 |
Certain aspects of the present disclosure provide circuitry connecting an output of voltage reference circuitry powered by a relatively high voltage to an input of a voltage buffer configured to generate a voltage lower than the high vol...
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WO/2021/150642A1 |
A method for sequentially driving an electrical load includes (a) controlling N switching cells, where each of the N switching cells is electrically coupled to a respective one of N energy elements, such that the N energy elements are el...
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WO/2021/148409A1 |
The present invention relates to an operational amplifier comprising a symmetrical differential amplifier; a local common-mode feedback circuit coupled to the symmetrical differential amplifier; a tail current source circuit having at le...
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WO/2021/135349A1 |
A low-dropout linear regulator (200) and a control circuit thereof. The control circuit comprises an error amplifier (210) and an anti-backflow circuit (220), the anti-backflow circuit (220) being used for comparing an input voltage (Vin...
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WO/2021/134752A1 |
A converter system (100) includes a first switch (102) and a controller (110) configured to switch the first switch (102) between first and second states based on input and output voltages of the converter system (100), wherein the contr...
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WO/2021/133162A1 |
The present invention discloses an overshoot protection circuit (1) and its method thereof. The circuit (1) comprises a current load sensor (13), an AC coupled circuit (14), a pull-down transistor (12), a non-inverting amplifier (11), wh...
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WO/2021/128566A1 |
Provided is a power supply circuit, comprising: a voltage division circuit, a first end of the voltage division circuit being an output end, and a second end of the voltage division circuit being grounded; a control circuit, a first end ...
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WO/2021/129210A1 |
An electronic circuit (100) is disclosed. The electronic circuit (100) includes a reference voltage generator, which includes a first candidate circuit configured to generate a first candidate reference voltage (VT), a second candidate c...
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WO/2021/129808A1 |
Provided are a solar power supply system, a control method and control device for the solar power supply system, an electronic device, and a computer-readable storage medium. The solar power supply system comprises: a photovoltaic (PV) a...
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WO/2021/132084A1 |
This resistance device (100) comprises: a field effect transistor (TN); and a voltage application circuit (1). The voltage application circuit (1) applies, between the gate and the source of the field effect transistor (TN), a control vo...
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WO/2021/123317A1 |
The invention is concerned with a transformer arrangement (10) comprising a transformer (12) with a primary and a secondary winding (12P, 12S) and a chain link (14) of switching blocks connected in series between one of the windings and ...
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WO/2021/120703A1 |
A low-dropout linear regulator (300) and a control circuit thereof. The control circuit comprises an error amplifier (310), a foldback current-limiting protection circuit (320), an undershoot suppression circuit (330), and an output dete...
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WO/2021/127614A1 |
A circuit (310) includes first and second transistors (M11 and M12), an adaptive bias current source circuit (125), and an adaptive resistance circuit (320). The first transistor (M11) has a control terminal and first and second current ...
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WO/2021/124322A1 |
Circuitry for reducing the energy losses of a snubber circuit used to protect current switching devices from overvoltage, comprising a switching cell consisting of a switch with alternating opposite conduction states, the switch being se...
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WO/2021/119734A1 |
A system for synchronising an electrical generator to a reference power source, comprising: a first measurement unit configured to: measure a magnitude and a frequency of a first electrical power at a terminal of the reference power sour...
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WO/2021/121926A1 |
The invention relates to a device (22) for providing a regulated supply voltage (VREG) from an unregulated voltage (VE), comprising a voltage regulation circuit (1), wherein a diode (20, 21) connected in parallel to the voltage regulatio...
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WO/2021/125287A1 |
Provided are a power control system, a power control device, a computer program for power control, and a power control method which can stably control a power system including a natural energy power generation device. This power contro...
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WO/2021/126535A1 |
Voltage generation system including a resistive voltage divider having a first resistance connected between its output and a first feedback node and a second resistance connected between the first feedback node and a first voltage node, ...
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WO/2021/117192A1 |
This power conversion device is provided with: a power conversion circuit that is provided with a DC terminal connected to a solar battery panel and an AC terminal connected to an AC power system and that converts DC power generated on t...
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WO/2021/117566A1 |
A protection circuit 100 of a power storage device 20 equipped with external terminals 58A, 58B, the protection circuit 100 being equipped with a return circuit 110 connected in parallel to a load 12 connected between the external termin...
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WO/2021/118905A1 |
Aspects of the present disclosure provide for a circuit (121). In at least some examples, the circuit includes a first switch (202) coupled between a first node (222) and a second node (224) and a second switch (204) coupled between a th...
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WO/2021/114860A1 |
A photovoltaic system having a composite communication photovoltaic optimizer and a working method for the photovoltaic system, relating to the technical field of photovoltaic power generation. Working state monitoring, remote control an...
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WO/2021/115148A1 |
Provided are a reference source circuit, a chip, a power supply and an electronic device. The circuit comprises: a first current generation unit (10) used for generating first current; a reference voltage generation unit (20) electricall...
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WO/2021/111994A1 |
A reference voltage generating circuit (1) is provided with: a bandgap reference circuit (2) which generates a first reference voltage (VREF1) that depends on a bandgap reference voltage and a power source voltage (VCC); and a converting...
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WO/2021/109492A1 |
A voltage regulation circuit and an ultrasonic device. The voltage regulation circuit comprises a DC-DC conversion circuit (1), a positive linear voltage stabilizer (2), a negative linear voltage stabilizer (3) and a voltage difference c...
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WO/2021/112452A1 |
The voltage monitoring circuit according to one embodiment of the present invention comprises: a clamping unit for clamping the voltage of input power supplied from a power source to base voltage, and outputting to an MCU; and a switch u...
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WO/2021/113563A1 |
Digital logic voltage regulators and related methods generate a regulated voltage via controlled switching of a power transistor. A digital logic voltage regulator includes a voltage level comparator, a power transistor, and a charge acc...
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WO/2021/105808A1 |
The invention provides for a DC brush-arc furnace comprising a vessel 12 and first and second electrodes 16, 18. A first DC power supply 20 supplies power to the electrodes. A first conductor 26 extends parallel to the first electrode, s...
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WO/2021/104134A1 |
A voltage regulator circuit, image sensor and method are provided. The voltage regulator circuit includes a power supply terminal (401, 501, 701) and a ground terminal (402, 602), and a differential amplifier (110, 310, 410, 510, 610, 71...
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WO/2021/104133A1 |
An integrated circuit is provided. The integrated circuit includes a plurality of voltage regulators. A given voltage regulator of the plurality of voltage regulators includes a differential amplifier (110) and an output transistor (120,...
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WO/2021/099824A1 |
A method and system of operating a multi-phase electric machine include operating an inverter to control the multi-phase machine. The inverter has a plurality of inverter legs including an auxiliary inverter leg. Each of the plurality of...
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WO/2021/101574A1 |
In some examples, a power adapter comprises a first connector having multiple power setting keys, the first connector to couple to a first device; a second connector to couple to a second device; and a processor coupled to the first conn...
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WO/2021/098895A1 |
The present invention relates to an electronic circuit for photovoltaic modules, which circuit ensures that the magnitude of the reverse voltage of each solar cell in a solar module does not exceed a particular value at any time. The pro...
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WO/2021/100936A1 |
This invention relates to a method and apparatus for power factor adjustment in a waveguide circuit and a transmission line circuit. In this invention, it is shown that, in a waveguide circuit or a transmission line circuit, the power su...
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WO/2021/101107A1 |
The present invention relates to a battery charging device for energy harvesting, comprising: a battery charging unit which charges a battery with electrical energy, output from an external power source, by using a current mirror circuit...
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WO/2021/100979A1 |
This invention relates to a method and apparatus for power factor adjustment in a waveguide circuit or a transmission line circuit. In this invention, it is shown that, in a waveguide circuit or a transmission line circuit, the power sup...
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WO/2021/101464A1 |
Invention relates to voltage regulator and stabilizer devices used for AC voltage regulation and keeping fixed, parallel connectable and redundant operable. It relates to management of all system by selecting one of parallel connected re...
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WO/2021/101197A1 |
Disclosed in one embodiment of the present invention is a constant current circuit for forming a constant drain current of an FET for capacitance detection of a capacitive sensor, and a capacitance detection device using same. The disclo...
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WO/2021/093421A1 |
An MPPT control method based on resistance matching of a photovoltaic power generation system. A fuzzy MPPT controller performs real-time sampling on the voltage value and the current value during power generation of a photovoltaic array...
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WO/2021/094080A1 |
A transformer assembly (1) for electric grids comprising: - an electric transformer (2) comprising a magnetic core (20), a first side (2A) including one or more first windings (21) enchained with said magnetic core and adapted to be elec...
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WO/2021/097249A1 |
A sensor (e.g., an optical sensor) that may be implanted within a living animal (e.g., a human) and may be used to measure an analyte (e.g., glucose or oxygen) in a medium (e.g., interstitial fluid, blood, or intraperitoneal fluid) withi...
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WO/2021/093557A1 |
A power adjustment apparatus, a power supply apparatus, and a color Doppler ultrasound device, which relate to the technical field of the color Doppler ultrasound equipment. The power adjustment device comprises: a digital-analog convert...
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WO/2021/090411A1 |
A control device according to the present invention is characterized by comprising: a generation means that generates predetermined information represented by a bit string; and a control means that controls, at predetermined time points,...
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WO/2021/087744A1 |
Provided in the present application are an LDO, an MCU, a fingerprint module and a terminal device. The LDO comprises: a reference voltage generation circuit and a source follower that is connected to the reference voltage generation cir...
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WO/2021/086240A1 |
A method for providing frequency balancing in a power network grid is presented The method is performed in an RBS of a radio communication network. The RBS comprises one or more power supply units, PSUs, connected to the power network gr...
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