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Matches 1 - 50 out of 70,194

Document Document Title
WO/2018/218639A1
Provided is a power switch driving circuit with a built-in power supply capacitor. By discharging the power supply capacitor (Cvcc) when the power switch (M1) reaches a conduction threshold, the power switch (M1) is turn on, thereby savi...  
WO/2018/221031A1
Provided is a switching power supply device in which the resolution of voltage control is high. The switching power supply device according to the present invention comprises a power conversion circuit configured to include a switching e...  
WO/2018/220900A1
With the present invention, there is obtained a power supply device in which simplification of a circuit is realized. The present invention comprises: n (an integer of 2 or greater) configuration stages configured from a unit including a...  
WO/2018/220470A1
Provided is a comparison circuit to which a negative voltage to be compared can be input directly. The comparison circuit includes a first input terminal, a second input terminal, a first output terminal, and a differential pair. The com...  
WO/2018/222068A1
A device for converting direct-current voltage into pulse voltage comprises the following, connected in series: a high-voltage source 1 of direct-current voltage, a first controllable switch 7, an inductive load 9, a second controllable ...  
WO/2018/220284A1
The subject matter of the present invention is a method for controlling the switching operations of an electrical system comprising at least one frequency-controlled switch arm (H), and a resonant primary circuit (LLC), a secondary circu...  
WO/2018/221407A1
A direct-type power conversion device having a power buffer circuit, wherein the wiring pattern can be easily simplified. A converter (2), a first switch, a second switch, and an inverter (5) are arranged in this sequence along a second ...  
WO/2018/220037A1
The invention relates to a method for operating a DC voltage converter comprising a circuit breaker and a coil having a coil core, a main winding arranged on the coil core and a control winding arranged on the coil core, the main winding...  
WO/2018/219192A1
Provided in the embodiments of the present application are a power supply conversion circuit and a related apparatus and terminal device, the power supply conversion circuit being used for converting a power supply and providing a low vo...  
WO/2018/219905A1
The invention relates to an insulated DC-DC converter (10A, 10B), in particular for an electric or hybrid vehicle, comprising a first circuit (PR10) and a second circuit (CV10). The first circuit (PR10) comprises a first switch (QHSB), a...  
WO/2018/222261A1
Systems and methods for providing federated power management in an electronic circuit. The methods comprise: performing first operations by a processing device to obtain information indicating a current level of charge for each of a plur...  
WO/2018/222903A1
A DC-to-DC voltage regulator circuit comprising: an output node; a pull-up switch and a pull-down switch with an output node coupled between them; a reactive circuit element coupled to the output node; a pull-up setting voltage circuit c...  
WO/2018/215215A1
The invention relates to a primary-pulsed switching power supply (1) for converting an input voltage (Ue) into an output voltage (Ua), at least comprising: a primary-side circuit branch (2) to which the input voltage (Ue) can be applied;...  
WO/2018/215741A1
A DC-DC converter and corresponding method for transitioning between a discontinuous conduction mode, DCM, and a continuous conduction mode, CCM, wherein the DC-DC converter is configured to power a signal processing system within an int...  
WO/2018/214470A1
A current equalization circuit (10), an array circuit and a multi-phase converter. An output end of a first inductor (101) is connected to an input end of a first resistor (102); an output end of a second inductor (104) is respectively c...  
WO/2018/215368A1
The invention proposes a converter that allows selective switching between various converter architectures capable of supplying various output voltages from the same input voltage. The invention is characterised in that the various archi...  
WO/2018/217336A1
A power transfer device (102) is disclosed. The power transfer device (102) includes a driver unit (108). The driver unit (108) includes a plurality of converters (112, 114, 116, 117) including a plurality of legs (118, 120, 122, 124, 12...  
WO/2018/216661A1
The purpose of the present invention is to prevent a power management circuit from erroneously switching on the power source that was switched off. Provided is a power supply device (101) comprising a voltage drop detection circuit (20) ...  
WO/2018/218036A1
A power drive circuit is disclosed. The power circuit includes: a pulse detector, configured to generate first and second control signals in response to first and second pulse signals, respectively. The power drive circuit also includes ...  
WO/2018/217565A1
The present technology relates to systems and methods for rapidly charging a battery of a device when the device is attached to an AC adapter. Some embodiments of the present disclosure describe an activation circuit in an AC adaptor and...  
WO/2018/216294A1
A control unit 10 performs switching control of IGBTs 5a to 5d, 8b, and 8d, turns off IGBTs 8a and 8c, and changes the on-duty cycles of the IGBTs 5a to 5d, 8b, and 8d, thereby adjusting first output power outputted from a secondary side...  
WO/2018/217464A1
In certain aspects, methods and systems for controlling power transfer at a wireless power receiver are disclosed. In certain aspects, a method includes determining a duty cycle of a DC-DC converter of the wireless power receiver. The me...  
WO/2018/215856A1
An ignition device for welding equipment includes a capacitor, a transformer, a high voltage output circuit connected to a secondary winding of the transformer, a discharging switch enabling discharge of the capacitor to a primary windin...  
WO/2018/215754A1
A DC-DC converter and a corresponding method for maintaining an output voltage of the DC-DC converter, wherein the DC-DC converter is configured to operate in a discontinuous conduction mode, within a predetermined voltage range. The met...  
WO/2018/216401A1
Provided is an isolated switching power supply that performs an efficient power conversion with a simple configuration. The switching power supply has: input ends 1, 2; output ends p, n; a transformer T provided with a primary coil N1 an...  
WO/2018/215477A1
To this end, the invention relates to a method for controlling a switched electronic circuit connecting an electrical voltage source u to a load R and forming a system having an output y and a plurality of operating modes i, at least som...  
WO/2018/216982A1
The present disclosure relates to a voltage conversion circuit including: a plurality of switched capacitors; and a buck converter configured to be alternately applied with a first voltage and a second voltage output from each of two swi...  
WO/2018/217493A1
One direct current to direct current converter disclosed herein can implement three control modes: a predefined control mode in which an outer phase-shift angle is determined based on a predefined process, a current control mode in which...  
WO/2018/216158A1
Provided is a power conversion device provided with a power supply main circuit unit (2) and a power supply control unit (3). The power supply main circuit unit (2) has a switching element (11) and a reactor (12) and performs power conve...  
WO/2018/217039A1
The present invention relates to a technology for implementing an automatic voltage regulator which is simple in structure and requires low cost by using two alternating current switches, and enabling highly precise control of an output ...  
WO/2018/212820A1
A device and method that includes a shunt regulator of a universal serial bus (USB) compatible power supply device is disclosed. The shunt regulator includes an amplifier with an output, a first input, and a second input. The shunt regul...  
WO/2018/211694A1
A power conversion device (101) is provided with: a first smoothing circuit (105) connected to a first electric device (102); a second smoothing circuit (109) connected to a second electric device (106); a first bridge circuit (110) conn...  
WO/2018/211980A1
The present invention safely operates a power supply circuit. A charging switch is connected to a first terminal of a capacitor, the charging switch performing charging of an input voltage into the capacitor on the basis of a control sig...  
WO/2018/211399A1
Circuits and methods are disclosed for providing a supply voltage to a dynamic internal power supply node of a group of other circuits. A circuit includes a first transistor and a second transistor, of different channel types, coupled in...  
WO/2018/210200A1
The present solution belongs to the technical field of LED lamp control; the present solution provides an output-current measurement circuit for a resonant converter; the output-current measurement circuit comprises two secondary coils, ...  
WO/2018/212813A1
A DC/DC converter system includes a bidriectional DC/DC converter converting between voltage levels at first and second ports and a control system for controlling the DC/DC converter. The bidirectional DC/DC converter includes a first co...  
WO/2018/213233A1
A power module includes a first terminal, a second terminal, and a number of semiconductor die coupled between the first terminal and the second terminal. The semiconductor die are configured to provide a low-resistance path for current ...  
WO/2018/211938A1
When power is stably supplied to a second load in a form in which the effect of supplying power to a first load is suppressed, and a designated abnormal state occurs, the present invention replenishes power from a power supply route side...  
WO/2018/212520A1
Disclosed are electronic devices including a polymer including a ferroelectric and quantum dots disposed in the ferroelectric, at least one solar cell configured to receive light through the polymer and to convert the light into electric...  
WO/2018/213095A1
The present disclosure relates to electric converters and methods of controlling the same. One dual-active-bridge direct current to direct current (DC-DC) converter includes a transformer having a primary winding and a secondary winding,...  
WO/2018/206846A1
According to an example aspect of the present invention, there is provided a DC to DC converter module for use between an electric power source and an electric motor. The DC to DC converter module having: a DC to DC converter; input term...  
WO/2018/207224A1
This power conversion device is provided with: an intermediate capacitor that performs charge/discharge operations; and a voltage sensor that detects the voltage of the intermediate capacitor. The power conversion device is also provided...  
WO/2018/208641A1
An electrical power subsystem includes a generator comprising a generator stator and a generator rotor, and a power converter electrically coupled to the generator. The power converter includes a plurality of rotor-side converters electr...  
WO/2018/205994A1
Disclosed are a power supply management module, management method and energy system for a triboelectric nanogenerator, belonging to the technical field of power electronics. The power supply management module is configured to be electric...  
WO/2018/208872A1
A power generation system is disclosed, which includes a battery for providing a first direct current voltage; an isolated transformer having a first primary winding coupled with the battery, a second primary winding coupled with the bat...  
WO/2018/206529A1
A power conversion system has a plurality of power tracking converters connected in parallel to an output of an energy source such as a solar system. A communication system between the converters implements a sequence of operation of the...  
WO/2018/207761A1
[Problem] To obtain simplicity, to increase an obtained potential difference, etc., by having a selector switch capable of selecting whether current is flowed to a plurality of capacitors in series or in parallel and by being provided wi...  
WO/2018/208081A1
Provided according to an embodiment of the present invention is a control system for controlling a DC-DC voltage converter circuit. The DC-DC voltage converter circuit comprises a high voltage terminal, a low voltage terminal, and an inp...  
WO/2018/207249A1
A control device (20) for controlling switching elements (2, 3) in a power conversion circuit (1) is provided with a pattern generation unit (20) for generating a frequency changing pattern (25) and a controller (22). The pattern generat...  
WO/2018/208597A1
A predicted ripple in the feedback voltage of a switching converter is generated, based on the ripple over a certain number of recent switching cycles. The DC portion of the feedback voltage is filtered out. This predicted feedback volta...  

Matches 1 - 50 out of 70,194