A bidirectional direct current-to-direct current (DC-DC) converter includes a converter (), which can be operated as a boost or buck converter, and a control unit. The converter () consists of a set of inductors (L, L), a set of capacitors (C, C), and a set of switches (GS-GS). The control unit can…
A multi-phase buck-boost converter system can include an external discrete component power stage and a controller integrated circuit. The external discrete component power stage can include a first and second phases each respectively having an input half bridge including first and second or third…
A direct current-to-direct current (DC-DC) converter system for charging between respective charge-providing and receiving donor and recipients systems includes input and output filter capacitors connected to a rechargeable energy storage system (RESS) of the donor and recipient, and a link…
The disclosure relates to a method for increasing the lifetime of converter switches in a system having an energy source connected to a DC bus and a DC-to-DC converter having the converter switches. The method includes determining a system state in which electrical power of the energy source is…
The technology described herein discloses a non-isolated multiport dc-dc converter with three input dc ports to integrate three different energy sources namely fuel cell, battery and ultracapacitor, and two dedicated output ports for traction load and auxiliary loads, respectively. The invented…
A driving control device for a relay for a battery pack, includes: a buck-boost converter to receive a voltage from an auxiliary battery, and output a buck-boost voltage; a feedback control circuit electrically connected to the buck-boost converter, and to transfer a feedback voltage to the…
The present invention generally relates to a modular high power bi-directional half bridge buck/boost converter assembly and, in particular, to a system for converting power from one form of current (either AC or DC) to a differing level of voltage, either lower (buck) or higher (boost), to output…
The present disclosure provides a voltage stabilizing circuit, a voltage stabilizing method, a charging circuit, and an electronic equipment. In the present disclosure, the voltage stabilizing circuit is designed to include multiple operating modes, which prevents a structure of simultaneously…
A conversion circuit includes a buck-boost unit and a switched capacitor unit. The buck-boost unit may perform buck conversion or boost conversion on a received first input voltage, use a first input voltage obtained after the buck conversion or boost conversion as a forward voltage, and provide…
A first partial power converter implementation receives and converts an input voltage into multiple auxiliary voltages including a first auxiliary voltage and a second auxiliary voltage. The first partial power converter produces a first output voltage as a first summation of the first auxiliary…
The present disclosure relates to an optical storage converter, a control method and device thereof, and a computer readable storage medium. The control method for the optical storage converter includes: obtaining a voltage measurement and a current measurement of a universal interface of the…
A voltage converter for an electrified vehicle is connected between an external low-voltage source and an external high-voltage source. The voltage converter includes a power conversion device having at least two power conversion components connected in parallel. The voltage converter further…
A charger integrated circuit includes a bidirectional switching converter including first to fourth switching elements connected in series, an inductor connected to a third switching element, and a capacitor connected to a second switching element and the third switching element, and a controller…
The present invention generally relates to a modular high power bi-directional half bridge buck/boost converter assembly and, in particular, to a system for converting power from one form of current (either AC or DC) to a differing level of voltage, either lower (buck) or higher (boost), to output…
In a voltage converter, a blocking transistor has a conduction path between a power terminal and a converter terminal. A body diode of the blocking transistor: conducts current from the power terminal to the converter terminal; and blocks current from the converter terminal to the power terminal. A…
A bi-directional DC voltage converter includes a controller, controlled switches, inductors, and capacitors to accomplish DC voltage conversion with minimal input current ripple and high efficiency. The controller is operable in a boost mode in which the switches are independently controlled to…
A solar controller is configured to control a solar unit including a solar panel, a step-up and step-down DC-DC converter configured to receive electric power generated by the solar panel, convert the received electric power to a predetermined electric power, and output the predetermined electric…
A power control system includes a battery system and a DC-DC converter with first, second, third, and fourth power switches. A second terminal of the first power switch is connected to a first terminal of the second power switch. A second terminal of the third power switch is connected to a first…
An apparatus is disclosed for voltage regulation. In example implementations, an apparatus includes a battery subsystem having a first terminal, a second terminal, a third terminal, and at least one battery. The apparatus also includes a voltage regulator that is coupled to the first terminal, the…
Various embodiments may provide non-isolated single-input dual-output (SIDO) bi-directional buck-boost direct current (DC) to DC (DC-DC) converters. Various embodiments may provide a method for controlling a buck duty cycle of the non-isolated SIDO bi-directional buck-boost DC-DC converter such…
A power conversion system for mobile power generation and support is configured to be adaptable to different, time-varying mission requirements, system statuses, environmental contexts, and for different power sources and power loads. Adaptability includes real-time, on-the-fly adaptation from…
A power supply system includes: a switching buck-boost converter configured to operate an inductor, so as to convert an input power at a first node to a first output power at a second node, wherein first output voltage of the first output power is higher than, lower than or equal to an input…
The inventive concepts provide a bidirectional switching converter including a first power metal oxide semiconductor field effect transistor (MOSFET) connecting an input voltage node to a switching node, a second power MOSFET connecting the switching node to a ground node, and a zero current…
A charging circuit can include: a first port for receiving a first input source; a second port coupled to a second input source or an external device; and a power stage circuit configured to operate as a charge pump in a first state, and to operate as a hybrid switching converter in a second state…
This application provides example circuit modules and example electronic devices comprising the circuit module. One example circuit module includes a power input terminal, a power output terminal, a first switching transistor, a second switching transistor, a comparison unit, a boost unit, an…
A power supply unit using intellectual pre-regulator which includes an input port connected to a power source realized as battery or generator (hereinafter, it is called as ‘battery’), an output port connected to an electronic device, a voltage dropping part connected between said input port and…
The present disclosure relates to a converter cell () for an MMC. The cell comprises a primary energy storage (C), an inductor (Lf), and a secondary energy storage (C); and first and second converter valves (T, T). The secondary energy storage (C) is connected in series with the first converter…
A power supply device, an electronic apparatus, and a power supply method are provided. The power supply device comprises a first buck circuit used to convert, if a single battery cell in N cells connected in series has a voltage lower than a shutdown voltage of an electronic apparatus, a total…
A power system for a battery powered device can include a first stage power converter, a charge injector, and a bypass switch. The first stage power converter can be configured to have an input coupled to a battery and operable to convert a battery voltage to a level higher than a main voltage bus…
The present disclosure relates to an adapter. The adapter includes an input port, a first output port and a second output port, and the adapter further includes: a rectifier circuit having an input terminal being connected to the input port of the adapter; a bus capacitor connected to an output…