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WO/2021/194542A1 |
Power management circuitry may be provided to control a power state of a voltage regulator for providing a regulated voltage to a load, the voltage regulator being operable in at least first and second different power states. The power m...
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WO/2021/192040A1 |
A current mirror circuit (120) and a current generation circuit (110a) are connected in series between a power source node (Nd) and an earth node (Ng), via a first node (N1) and a second node (N2). Gates of transistors (MP1, MP2) include...
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WO/2021/192898A1 |
This current control device is provided with a constant current circuit (30) and a current adjustment device (31). The current adjustment device (31) applies a voltage to the constant current circuit (30). The constant current circuit (3...
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WO/2021/186524A1 |
A power conversion device (100) is provided with: a power converter (10) that is connected to an alternating-current system (1) to which a load (2) is connected; and a control circuit (20). The control circuit (20) is provided with a har...
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WO/2021/184823A1 |
A reference comparison circuit, comprising a voltage detection module (1), a comparison module (2) connected to the voltage detection module (1), and an output module (3) connected to the comparison module (2), wherein the voltage detect...
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WO/2021/186635A1 |
This power supply device is configured by connecting a voltage control unit and a current control unit in parallel with each other. The voltage control unit includes: a reference voltage circuit which generates a predetermined reference ...
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WO/2021/185862A1 |
The invention relates to a circuit capable of adjusting an output current according to load changes. The circuit includes a power supply terminal (1) and a load terminal (2), and further comprises a controllable constant current source w...
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WO/2021/186408A1 |
There is disclosed a system (10, 100) and method (1000) for controlling electrical power delivered from a renewable energy source (12, 112) to a load (14, 114). The system may include a boost circuit (38, 138) configured to receive elect...
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WO/2021/180363A1 |
A voltage regulation device includes: a plurality of taps; a first electrical contact configured to connect to one of the plurality of taps; a second electrical contact configured to connect to one of the plurality of taps; and a network...
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WO/2021/179318A1 |
A bias voltage adjusting method and apparatus, and a light module. A controller (13) controls a bias circuit (12) to provide a bias voltage for an APD (11;22); when a light signal reaches the APD (11;22), the APD (11;22) generates a ligh...
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WO/2021/183329A1 |
A voltage stabilizer assembly includes a power supply, a device, and a voltage stabilizer. The device is connected to the power supply, wherein the device performance is affected based on the regulation of its power source. The voltage s...
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WO/2021/179212A1 |
Provided are a temperature sensor, an electronic apparatus, and a temperature measurement system. The temperature sensor comprises: a bias current generation circuit, a curvature compensation current generation circuit, a reference volta...
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WO/2021/179120A1 |
A method for initialization of a universal integrated circuit card (UICC) of a mobile equipment is described. The method includes setting a voltage level translator coupled between the UICC and a baseband controller to a translation mode...
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WO/2021/178198A1 |
A system includes a transimpedance amplifier, disposed on a chip, having a front-end section and a back-end section; an on-chip linear regulator, on the chip, arranged to power the front-end section; and an off-chip switching regulator, ...
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WO/2021/178290A1 |
An example of a power supply system (100) includes a switching voltage regulator (102) comprising at least one switch (104) configured to conduct an input current to generate an output voltage responsive to a switching signal and based o...
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WO/2021/175059A1 |
Disclosed is an electromagnetic brake control apparatus, comprising: a power supply management module (1), a first switch module (2), a flyback diode (D1), and a first control output end (COIL -) and a second control output end (COIL +) ...
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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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