Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 351 - 400 out of 40,807

Document Document Title
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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...  
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 ...  
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...  
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...  
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...  
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...  
WO/2022/002952A1
The invention relates to a device (10) for providing a bandgap voltage reference, comprising a first switching circuit (20) for providing a first temperature voltage (PTAT) which behaves proportionally to the present temperature. The fir...  
WO/2022/002465A1
A low-dropout regulator (1) for low voltage applications comprises a buffer circuit (500) being arranged between an output terminal (O100) of an error amplifier (100) and a control node (C200) of a pass device (200). The buffer circuit (...  
WO/2021/262247A1
An induction cooking system includes an induction cooking appliance (12) and cookware (13). The induction cooking appliance includes a cooktop surface (14), an induction heating system contained below the cooktop surface, and a temperatu...  
WO/2021/261072A1
Provided is a current source circuit that generates a reference current with improved stability using capacity. The current source circuit comprises a pair of capacities, a switching circuit, an operational amplifier, and an output tra...  
WO/2021/258277A1
Disclosed is a power amplification chip bias circuit based on a GaAs HBT process, relating to a new generation of information technology. The present solution is proposed in view of the problems in the prior art of negative effects of a ...  
WO/2021/262742A1
A mixed-signal integrated circuit (IC), including: a voltage booster that includes one or more charge pump devices configured to receive an input voltage, an oscillator signal, and a control signal, wherein the one or more charge pump de...  
WO/2021/254524A1
Disclosed are a switch power supply chip and system, used for determining a maximum output power of a solar photovoltaic panel connected to the switch power supply chip. The switch power supply chip comprises a sampling current compariso...  
WO/2021/256352A1
[Problem] To provide a regulator that is capable of suppressing output voltage fluctuation while reducing electric power consumption. [Solution] A regulator comprising: a plurality of analog-to-digital converters that compare an output v...  
WO/2021/007299A9
Described are circuits and techniques to increase the efficiency of radio-frequency (rf) amplifiers including rf power amplifiers (PAs) through "supply modulation" (also referred to as "drain modulation" or "collector modulation"), in wh...  
WO/2021/249072A1
Disclosed in the present invention is a mining machine power adjustment method, comprising: when a mining machine is in an operating stage, collecting an input voltage of the mining machine; when the input voltage is less than a set volt...  
WO/2021/250665A1
The present invention provides topologies of phase-controlled IGBT bridge type and GTO bridge type Fault Current Limiter (FCL), which allow the precise limitation of fault currents to the desired values and can keep these values constant...  
WO/2021/250096A1
A circuit arrangement (17) is provided where the arrangement of a feedback resistor (38) between a first branch (18) and a second branch (19) enables that a voltage is provided at an output terminal (16) in an efficient way, this means w...  
WO/2021/248267A1
The present invention relates to a voltage reference circuit with high power supply ripple rejection. The circuit comprises: a bandgap reference circuit, a power supply ripple rejection circuit and a soft-start circuit, wherein an input ...  
WO/2021/250870A1
The amplification circuit according to an embodiment has a first circuit, a second circuit, and a third circuit. The first circuit includes a first transistor connected between a reference potential node and an input node through which a...  
WO/2021/245060A2
The invention relates to a protective circuit assembly (21) for protecting an electric signal processing device (11) from damage caused by an error status exhibiting an error of the following group of error types: error voltage, in parti...  
WO/2021/246929A1
Described herein is a battery pack cell state of charge balancing system (1). A battery pack (2) of the system comprises a plurality of serially connected battery pack cells (BAT1 – BATn), each of which (BATx) comprises one or more bat...  
WO/2021/247804A1
An electronic device may include a main circuit including multiple sub-circuits powered by a direct-current (DC) power supply circuit. The main circuit has a main circuit current demand being a time-varying demand for a DC voltage-regula...  
WO/2021/247202A1
An integrator circuit includes: an operational amplifier; a first capacitor coupled to an input of the operational amplifier; a second capacitor coupled in parallel to the first capacitor so that a first terminal of the first capacitor i...  
WO/2021/243331A1
A resonant tank converter including a reconfigurable resonant tank circuit including a switch configured to switch a resonant tank configuration of the reconfigurable resonant tank circuit to a first or second configuration in response t...  
WO/2021/238571A1
A voltage regulating apparatus, a chip, a power supply, and an electronic device. The apparatus comprises: a voltage input module (10), which is used to receive an input voltage; a current determination module (20), which is electrically...  
WO/2021/238572A1
A voltage adjustment apparatus, a chip, a power source, and an electronic device. The apparatus comprises: a voltage input module (10), used for receiving an input voltage; a current determining module (20), electrically connected to the...  
WO/2021/242491A1
A method, and a high voltage (HV) system that may include a noise reduction unit (MNRU) and a bias setting unit (BSU). The HV system may receive a HV supply signal, over a high voltage supply line from a HV supply unit. The HV supply uni...  
WO/2021/241257A1
This constant voltage generating circuit includes, for example, a first transistor and a second transistor, a first resistor configured to be connected between the gate and source of the first transistor, and a second resistor configured...  
WO/2021/239616A1
The invention relates to a method for stabilizing a DC voltage in a DC grid (1) that comprises a DC bus (10) which is connected to a higher-order grid (11, 12) and to which an energy generating system (18) and at least one load (13) are ...  
WO/2021/240239A1
Isolated circuit systems are provided. The systems include a primary side circuit and a secondary circuit, electrically isolated from each other. The primary side and secondary side circuits each utilize a direct current (DC) reference s...  
WO/2021/241325A1
A module 500 is used in a semiconductor composite device 10 that supplies, to a load 300, a direct-current voltage adjusted by a voltage regulator 100 which includes a semiconductor active element. The module 500 comprises: a capacitor l...  
WO/2021/241837A1
The present specification relates to a thermoelectric module protection circuit and a thermoelectric device comprising same. The thermoelectric device according to an aspect of the present specification comprises: a thermoelectric module...  
WO/2021/232426A1
The present disclosure relates to a circuit and a method for compensating output of voltage source, and the voltage source. The circuit (20) for compensating an output (Vo) of a voltage source, comprises: a sensing unit (202), a first ad...  
WO/2021/236150A1
Operating an electrical load controller includes predetermining a duration of time based at least in part on a frequency of an alternating-current (AC) waveform, the AC waveform oscillating through full cycles, each full cycle comprising...  
WO/2021/231667A1
There is provided a portable screen and hub system, which incorporates the flexibility to install and interchange different types of functional apparatuses, such as a portable monitor, video-camera, microphone, speakers, sensors, charact...  
WO/2021/231189A1
A multi-deck circuit arrangement including a first deck circuit having a negative supply terminal and a second deck having a positive supply terminal connected to the negative supply terminal. A single power supply provides a voltage acr...  
WO/2021/229935A1
Provided is a semiconductor device with which it is possible to speedily stabilize a generated voltage. A semiconductor device is provided with: an error amplifier (AMP1) for generating an error voltage corresponding to the difference ...  
WO/2021/230051A1
According to the present invention, regarding an N channel-type FET (20) of a power supply control device (10), a drain into which a current is input and a source from which the current is output are arranged in a current passage of the ...  
WO/2021/226495A1
A bandgap reference circuit (100) includes first through fourth bipolar junction transistors (BJTs) (M1-M4). The base and collector of the first BJT (M1) are shorted together. The second BJT (M2) is coupled to the first BJT (M1) via a fi...  
WO/2021/225633A1
Methods for controlling an integrated renewable energy source (RES) and energy storage system (ESS) of a RES-ESS facility having a point of grid interconnect (POGI) limit are provided. A forecast for energy production of the RES as well ...  
WO/2021/225208A1
A power supply device comprises: a switching converter which uses input power of an input power unit, includes a switch, and generates output power by using an on-off operation of the included switch; a driving controller for generating ...  

Matches 351 - 400 out of 40,807