Abstract: A hybrid battery charger is disclosed that includes a linear charger circuit for providing vehicle starting current and battery charging and a high frequency battery charging circuit that provides battery charging current. The linear charger circuit and the high frequency battery charging circuits are selectively enabled to provide vehicle starting current, maximum charging current and optimum efficiency.

Abstract: A battery management system includes a plurality of batteries each comprising a positive terminal and a negative terminal, wherein the positive or negative terminal of each of the plurality of batteries is coupled to the positive or negative terminal of another one of the plurality of batteries; a monitoring board connected to the positive terminal and the negative terminal of at least one of the plurality of batteries; and a controller connected to the monitoring board through the positive terminals and the negative terminals of the plurality of batteries, wherein the monitoring board is configured to monitor a status of the at least one battery and transmit one or more battery parameters of the at least one battery to the controller, and wherein the controller is configured to adjust performance of the plurality of batteries based on the one or more battery parameters.

Abstract: The invention relates to controlling an on-board charger for a battery of an electric vehicle to provide a more flexible output DC voltage range by adjusting a turn ratio of a transformer circuit to selectively integrate or exclude one of two winding portions of a primary winding of the transformer circuit.

Abstract: A terminal, includes: a coil disposed inside the terminal; a wireless charging module that is electrically connected to the coil, and includes a wireless charging transmitting circuit and a wireless charging receiving circuit that are electrically connected to the coil; a detection module electrically connected to the wireless charging module and a wired charging port of the terminal. When detecting that electric energy input to the wired charging port, the detection module sends a first electrical signal to the wireless charging module, and the wireless charging module initiates the wireless charging transmitting circuit based on the first electrical signal; when detecting that no electric energy is input to the wired charging port, the detection module sends a second electrical signal to the wireless charging module, and the wireless charging module initiates the wireless charging receiving circuit based on the second electrical signal.

Abstract: Systems and methods to control an electric vehicle accessory of an electric vehicle during a charge event are provided. An apparatus includes a controller communicatively coupled to a battery and an electric vehicle accessory. The controller is structured to: receive a battery power limit from the battery management system; receive an indication that the battery is undergoing the charge event; and cause the electric vehicle accessory to recharge by absorbing energy from a charging station during the charge event.

Abstract: An electricity trading device at least includes a device body and a transaction circuit arranged in the device body, so that connection is made through the transaction circuit to a portable energy storage device and a primary battery, and electricity transfer and trading is conducted with the transaction circuit. As such, the charging frequency and the number of removal/insertion operations of the primary battery are reduced to effectively extend the service life thereof and also to prosper the green energy industry for realizing sharing economy of electricity market.

Abstract: A system includes an electric mobile application having a configurable charging circuit, the configurable charging circuit including an AC charging circuit couplable to a charging station on a first side, a DC charging circuit selectively couplable to a high voltage battery of the electric mobile application on a first side, and a switch interposed between the AC and DC charging circuits, where the switch provides selective coupling between the AC charging circuit on a second side and the DC charging circuit on a second side, where the switch in a first position couples the AC charging circuit to the DC charging circuit through a first inductive coupling arrangement utilizing a magnetic component, and where the switch in a second position couples the AC charging circuit to the DC charging circuit through a second inductive coupling arrangement utilizing the magnetic component.

Abstract: A remote controller enabled to control an external device includes a communication interface to communicate with the external device, an energy harvester to obtain an electrical energy, a power supplier to receive supply of the electrical energy from the energy harvester, and a processor configured to, based on a supply voltage of the power supplier being greater than or equal to a first threshold value and less than a second threshold value, control the communication interface to release communication connection established to communicate with the external device, and supply the electrical energy obtained by the energy harvester to the power supplier.

Abstract: A robot control system according to the present embodiment is a robot control system that controls a plurality of transport robots that is travelable autonomously in a facility. The robot control system: acquires error information indicating that an error has occurred in a first transport robot; acquires transported object information related to a transported object of the first transport robot; determines a second transport robot able to transport the transported object of the first transport robot among the transport robots based on the transported object information and the error information; and moves the second transport robot to a transfer location of the transported object of the first transport robot.

Abstract: Exemplary embodiments may include a device with an input power component, a system supply component, an inductive charger component operatively coupled to the input component and the system component, and a direct charger component operatively coupled to the inductive charger and the system component. Exemplary embodiments may further include an input node of the inductive charger component and an input node of the direct charger component operatively coupled to an output node of the input power component at a first device node. Exemplary embodiments may also include a method of receiving an input power signal, obtaining a charging condition, entering a first charging state, in accordance with the obtained charging condition satisfying a first charging condition, and entering a second charging state, in accordance with the obtained charging condition satisfying a second charging condition.

Abstract: A charging control device of an electric vehicle and a method thereof may include requesting a charging required current from a charger in a state in which power line communication (PLC) with the charger is established, detecting a round trip time required to receive a response to the request, and adjusting a switching period of a multi-inverter based on the round trip time such that the PLC with the charger is prevented from being interrupted in a process of charging a battery of the electric vehicle.

Abstract: A charging control method and apparatus are provided. The electronic device can include a first circuit board, a second circuit board, and a charge pump chipset. The second circuit board is provided on the first circuit board. The charge pump chipset includes at least two charge pump chips on the first circuit board and at least two charge pump chips on the second circuit board connected in parallel. One charge pump chip on the first circuit board and at least one charge pump chip on the second circuit board are controlled to be in a working state at the same time. In response to a temperature of the charge pump chip in the working state on the first circuit board being higher than a threshold, any charge pump chip on the first circuit board with the temperature lower than the threshold is switched to the working state.

Abstract: A battery includes a first electronic circuit configured to operate in a transfer mode to wirelessly transfer power to a device and to operate in a receive mode to wirelessly receive power from the device. The first electronic circuit also configured to adapt a voltage gain of the first electronic circuit to compensate for a voltage drop between the battery and the device during any one or more of the wireless transfer of power to the device when the battery is operating in the transfer mode and the wireless receipt of power from the device when the battery is operating in the receive mode.

Abstract: An electronic device selectively coupled to a first charger and/or a second charger includes a power supply interface, a first comparator, a second comparator, a controller, a first switch circuit, and a second switch circuit. The power supply interface receives a first input voltage and a second input voltage. The first comparator compares the first input voltage with a first reference voltage, so as to generate a first comparison voltage. The second comparator compares the second input voltage with a second reference voltage, so as to generate a second comparison voltage. The controller generates a first control voltage and a second control voltage according to the first comparison voltage and the second comparison voltage. The first switch circuit is selectively enabled or disabled according to the first control voltage. The second switch circuit is selectively enabled or disabled according to the second control voltage.

Abstract: A power supply unit for an aerosol inhaler includes: a power supply able to discharge power to a load for generating an aerosol from an aerosol generation source; and a charger including an information input part, and configured to be able to supply one of a first charging voltage and a second charging voltage lower than the first charging voltage to the power supply, based on an input value which is input from the information input part. A fixed value which is predetermined as one input value can be input to the information input part, and the fixed value is a value for supplying the second charging voltage to the power supply.

Abstract: A hardware device, inserted in a universal serial bus port of a computing device, is detected. A counter is set to an initial value of one. In response to determining that one or more device descriptors associated with the hardware device are not received by the computing device within a predetermined time period, the hardware device is prevented from discharging a high-voltage charge into the computing device by inhibiting the hardware device from storing the high-voltage charge in a capacitor of the hardware device.

Abstract: A charging device, a terminal, and a method for controlling charging are provided. The charging device includes a wireless receiving circuit, a charging interface, a charging management module, and a control module. The wireless receiving circuit is configured to convert a wireless charging signal received into charging electrical energy. The charging interface is configured to receive charging electrical energy supplied by an external power supply device. The charging management module is configured to adjust a voltage and/or current in the charging electrical energy output from the wireless receiving circuit or the charging interface. The control module is configured to control a first charging channel where the wireless receiving circuit and the charging management module are disposed to be switched on, and/or control a second charging channel where the charging interface and the charging management module are disposed to be switched on.

Abstract: This application provides a magnetic integrated device, a power conversion circuit, a charger, and an electric vehicle, and pertains to the field of power electronics technologies. The magnetic integrated device includes a magnetic core, a first transformer winding, and a second transformer winding, where the first transformer winding and the second transformer winding are separated and wound, and a first air gap is formed at separation. A magnetic line may pass through the first air gap to form leakage inductance, and the leakage inductance may be equivalent to resonant inductance in the power conversion circuit. Therefore, there is no need to separately dispose an inductor winding in the magnetic integrated device. This effectively reduces a volume and a weight of the magnetic integrated device. In addition, the power conversion circuit that uses the magnetic integrated device also has a relatively small volume and relatively high-power density.

Abstract: An electronic device includes a control unit that allows at least a first external power source to be connected thereto and is activated upon receipt of a predetermined power, and a power source connected to the control unit. In an activated state, the control unit performs enumeration processing between the control unit and the first external power source. The power source has charging unit capable of being charged by a charge current supplied from the first external power source, and output unit that outputs the predetermined power from the charging unit to the control unit in response to a connection between the control unit and the first external power source. The charging unit sets the charge current to a current value according to whether the enumeration processing is completed.

Abstract: A control method for a direct current electrical device and a direct current electrical device. The method includes: acquiring input parameters of a power supply of the direct current electrical device, identifying a type of the power supply according to the input parameters, and determining an operation mode of the direct current electrical device corresponding to the type of the power supply, and controlling an operation of the direct current electrical device according to the operation mode.

Abstract: An electronic device which can control battery charging on the basis of the state of a battery by checking the voltage of a battery and the output voltage of a charging circuit, while the battery is being charged in a constant current state, and determining the state of the battery on the basis of at least the voltage of the battery and the output voltage of the charging circuit. Other various embodiments identified in the description are possible.

Abstract: A charging method includes: obtaining a first temperature at a preset position on an electronic device when constant-current charging is performed on a battery of the electronic device at a first constant current; in response to that the first temperature exceeds a preset first temperature threshold, obtaining a first voltage currently present at a designated position in the electronic device, and obtaining a second constant current preset in the electronic device; performing first constant-voltage charging on the battery at the first voltage until a charging current during the first constant-voltage charging is changed to the second constant current; and performing the constant-current charging on the battery at the second constant current.

Abstract: Systems and apparatus may carry out analysis of battery physical phenomena, and characterize batteries based on phenomena occurring in particular time and/or frequency domains. These systems may be additionally responsible for charging and/or monitoring a rechargeable battery. Examples of battery physical phenomena include mass transport (e.g., diffusion and/or migration) in battery electrolytes, mass transport in battery electrodes, and reactions on battery electrodes.

Abstract: Batteries and associated charging conditions or other operating conditions are evaluated by a computational model that classifies or characterizes the battery and associated conditions. Such battery model may classify batteries according to any of many different considerations such as whether the conditions are safe or unsafe or whether the conditions are likely to unnecessarily degrade the future performance of the battery. In some cases, the battery model executes while the battery is installed in an electronic device such as a smart phone or a vehicle. In some cases, the battery model executes and provides results (e.g., a classification of the battery) in real time while the battery is installed and being charged.

Abstract: A magnetic balance circuit of a bidirectional resonant converter and a control method thereof are provided. The magnetic balance circuit includes a primary conversion circuit, a transformer, a secondary conversion circuit, and a controller. Said primary conversion circuit is connected to a primary winding of said transformer through a first capacitor, a current transformer is set between the secondary winding of said transformer and said secondary conversion circuit. According to the positive component of the current in the cavity of the secondary conversion circuit and the negative component of the current in the cavity of the secondary conversion circuit, said controller further controls the duty ratios of the switches in the secondary conversion circuit. In the invention, the magnetic deviation phenomenon on both sides of the bidirectional resonant converter is effectively eliminated to achieve balance control for the magnetic circuit, thereby avoiding saturation.

Abstract: A power adaptor for an information handling system may provide a higher power output level by monitoring a temperature inside a transformer of the power adaptor. When the transformer temperature is below a threshold below a rated temperature, the power adaptor may be allowed to operate at high power output levels. For example, a power adaptor rated for 45 Watts at 100 degrees Celsius may be allowed to operate at 65 Watts at 70 degrees Celsius. A feedback circuit may use transformer temperature information to determine when a power output level of the power adaptor may be adjusted to a higher level and then reconfigure the power adaptor to operate at the higher power output level.

Abstract: The present disclosure relates to a wireless charging receiving end, a terminal device and a method for wireless charging. The wireless charging receiving end includes an energy receiver, a receiving end processor and a wireless charging management chip. The receiving end processor is connected with the energy receiver and the wireless charging management chip, converts an alternating current into a direct current and modulates and demodulates wireless signals. The wireless charging management chip is connected with a battery, and controls charging of the battery.

Abstract: An electric shopping cart having an override that can be activated when the cart is cutoff during use due to a low battery condition. The override allows extra run time to be activated in order that the cart can be driven to a recharging area to recharge the battery for future use. In addition, thumb throttles on the electric shopping cart have magnets that return the throttles to a neutral position.

Abstract: A hypercapacitor energy storage system or device facilitates fast charging, stable energy retention, high energy to weight storage and the like. The hypercapacitor comprises an ultracapacitor in electrical connection with an energy retainer which may comprise a battery, a battery field, a standard capacitor and/or the like. The electrical connection between the ultracapacitor and energy retainer may stabilize the energy retention of the hypercapacitor and provide for long-term energy storage and prevent self-discharge. The hypercapacitor may be electrically couplable to an energy source such as the utility grid via a low voltage outlet (e.g., 110V or 220V) or other charging system and may undergo fast charging. The hypercapacitor may be electrically couplable to and/or integrated with various systems or devices requiring energy storage and/or usage and may provide energy thereto.

Abstract: An ECU calculates a surface potential of a negative electrode active material relative to a lithium reference potential, according to a battery model for calculating lithium concentration distribution inside the negative electrode active material. The ECU calculates a voltage drop amount associated with charging of a battery, using a charging current to the battery and a reaction resistance, and calculates a negative electrode potential by subtracting the voltage drop amount from the surface potential. The ECU corrects the negative electrode potential, using an SOC of the battery, an average current in a charging period of the battery, and an integrated current in the charging period.

Abstract: A stationary storage device temporarily stores electric energy in an electric supply grid, and includes at least one electric storage unit, each electric storage unit being connected to a common DC bus by a respective DC-DC converter. The stationary storage device includes a bidirectionally operated AC-DC converter that couples the common DC bus to the electric supply grid, and a charging device that exchanges energy with an electrically operated motor vehicle. The charging device includes a connection device that connects the electrically operated motor vehicle in order to exchange the energy, and a charge control device that controls the exchange of said energy. A coupling device electrically connects the connection device to the common DC bus via one or more DC-DC converters in order to exchange said energy.

Abstract: A battery-to-vehicle charging system includes: a vehicle including an on-board charger including a power factor correction circuit having a boost converter circuit, a first battery that is charged with a charge voltage output from the on-board charger, and a first controller controlling a charge process based on a type of a charge power source provided from the outside; and a mobile energy storage device including a second battery storing a direct current (DC) charge power to be provided to the first battery, and a second controller providing a determination signal for the type of the charge power source to the first controller, in which when the first controller receives the determination signal from the second controller and the charge power source is determined as a mobile energy storage device, the first controller controls the power factor correction circuit to operate as a boost converter.

Abstract: An electronic timepiece includes a secondary battery, a first power feeder, a second power feeder, and a processor. The first power feeder feeds power to the secondary battery. The second power feeder feeds power to the secondary battery at a current larger than a current fed by the first power feeder. The processor determines remaining power of the secondary battery based on different references that are a reference of when the first power feeder is feeding the power to the secondary battery and a reference of when the second power feeder is feeding the power to the secondary battery.

Abstract: There is provided an information processing apparatus including a travelable information display unit that displays before a discharge, regarding motor-driven movable bodies of a discharge source and a discharge destination driven by using electric power of batteries, information about places to which the motor-driven movable body of the discharge source can move using electric power of the battery left after the discharge by assuming, when information about a discharge amount discharged from the battery of the motor-driven movable body of the discharge source toward the motor-driven movable body of the discharge destination that receives power supply is input, a case in which the discharge amount is discharged from the battery.

Abstract: The present disclosure relates to a UPS battery aging state calculation method and system, and more specifically, to an aging state calculation method and system of a UPS battery for accurately calculating an aging state (i.e., State of Health (SOH)) of the UPS battery itself by repeatedly executing the charge and self-discharge of the UPS battery through a switch.

Abstract: A charging device includes an AC/DC converter, a first DC/DC converter, a second DC/DC converter, and an inductance element. The AC/DC converter is connected to an external power source and configured to convert AC power into DC power. The first DC/DC converter is configured to convert a voltage the DC power outputted from the AC/DC converter and supply the resultant DC power to a first battery. The second DC/DC converter is connected in parallel to the first battery on the output side of the first DC/DC converter, and configured to convert a voltage of the DC power outputted from the first DC/DC converter and supply the resultant DC power to a second battery. The inductance element is provided between the first DC/DC converter and the second DC/DC converter, and connected in series to the first DC/DC converter and the second DC/DC converter.

Abstract: Apparatus for use in a microgrid, which comprises a DC bus with at least one DC power source connected thereto, an AC bus connected to a mains power grid that supplies the microgrid, and a DC/AC converter coupling the DC bus and the AC bus, wherein the DC/AC converter may be a one-way DC/AC inverter or a bidirectional DC/AC converter, the apparatus comprising a control system, which is configured to control number (at least one) DC power converters, each of which is configured to couple a respective controllable DC load to the DC bus, and to control the power flowing from the DC bus to each of the number controllable DC loads, so as to control each of the number controllable DC loads to fulfil its function and the voltage on the DC bus.

Abstract: A compact portable power charger having an internal rechargeable battery is provided with a wall plug interface and a car charger interface selectively and independently connected to the charger as power input interfaces for recharging the internal battery when the charger is connected to respective external power sources via the interfaces. Each interface is pivotably movable between an extended position where the interface projects outwardly away from the charger housing for use and a retracted position for storage of the interface within a respective cavity formed in the charger housing. The charger further includes a power output interface, such as a power connection port, operatively connected to the internal battery for providing an electrical charge from the internal battery to an electronic device when the electronic device is connected to the charger via the power output interface.

Abstract: An electronic device including: a housing, a battery mounted within the housing, a power interface disposed to or within the housing and configured to receive power from an external power source wirelessly or through a wire, and a circuit configured to electrically connect the battery and the power interface. The circuit includes a first electrical path configured to supply a first part of a current supply from the power interface to the battery, and a second electrical path configured to supply a second part of the current supply from the power interface to the battery and connected to the battery in parallel to the first electrical path. The circuit is configured to selectively control the current supply to the battery via the second electrical path at least partially based on at least one of a charge level of the battery or a signal from a sensor disposed in the housing.

Abstract: A charging current regulation method, a regulation device and a terminal are provided, the method includes: when charging a terminal, detecting temperature values of working components corresponding to each of a plurality of charging integrated circuits in the terminal (202); according to the temperature values of the working components corresponding to each charging integrated circuit, determining final temperature values of the working components corresponding to each charging integrated circuit (204); regulating charging current of the plurality of charging integrated circuits according to a plurality of final temperature values (206). According to the method, when charging a terminal, equalization of a temperature rise of working components in the terminal in different application scenarios can be ensured, thus the temperature rise of the working components in the terminal is prevented from being too high.

Abstract: Systems and methods are provided for creating and operating a Direct Current (DC) micro-grid. A DC micro-grid may include power generators, energy storage devices, and loads coupled to a common DC bus. Power electronics devices may couple the power generators, energy storage devices, and loads to the common DC bus and provide power transfer.

Abstract: A resettable battery input control apparatus includes disconnect circuitry that allows for a battery or other power source to be disconnected from a load in an electronic device. A processor, such as a power management integrated circuit, may assess operating data indicative of operation of the electronic device. If the processor determines a fault condition, the disconnect circuitry is activated. In the event that the processor itself fails, the disconnect circuitry will fail safe and disconnect the battery from the load. Once disconnected, the battery remains disconnected until external power is applied. In one implementation the disconnect circuitry may comprise a field-effect transistor acting as a low-side switch that operates to disconnect the negative terminal of the battery from the load.

Abstract: A driver circuit includes two high-side switches and a single low-side switch, output inductor, and output capacitor. By having multiple high-side switches, the driver can regulate power from multiple charging devices. The high-side switches share a channel with an input capacitor for that channel and the channels are connected to the low-side switch at a common node. When the capacitor for one of the channels becomes charged quickly, the capacitor of the other channel will balance itself with the charged capacitor. To avoid damaging the high-side switches, a low-impedance bridge and driver circuit is connected between the channels.

Abstract: The present disclosure provides a charging system, a terminal, a power adapter and a charging line. The terminal includes a first controller and M charging input interfaces. The power adapter includes a second controller and N charging output interfaces. When at least one of the N charging output interface is coupled to the charging input interfaces of the terminal, the second controller and the first controller communicate with each other to determine the number of charging output interfaces of the power adapter coupled to the terminal, and a charging current outputted from the power adapter to the terminal is adjusted according to the number of charging output interfaces of the power adapter coupled to the terminal.

Abstract: Embodiments include a power device for an electric vehicle. The power device includes a first bus associated with a first voltage, and a second bus associated with a second voltage, different than the first voltage. The power device includes a plurality of switching elements coupled to a first battery, a second battery, the first bus and the second bus. On/off states of the plurality of switching elements control electrical connections to the first bus, the second bus, the first battery and the second battery according to an operation mode.

Abstract: A power source control circuit includes a USB power supply portion that supplies electric power from a power source circuit to a secondary battery, a solar power supply portion, and a monitoring circuit. A monitoring circuit causes a solar power supply portion to stop the supply of the electric power to the secondary battery if the electric power is supplied from the power source circuit. In this way, if both the power supply by the power source circuit and the power supply by power generation by the solar cell can be performed, the power source control circuit can charge the secondary battery from the power source circuit which is a stable power source, and thus, it is possible to easily secure the electric power for driving the system.

Abstract: A vehicle and method of operating that includes a body structure having hood and front bumper, a grille, mounted between the hood and front bumper, including an opening, and a drawer mounted in the opening, slidable forward to an open position in front of the vehicle and rearward to a closed position within the vehicle. A controller may receive various inputs for controlling the operation of the drawer.

Abstract: In some aspects, an electric vehicle power system may comprise two or more electrically connected power modules connected to a system communication bus. Each power module may comprise a rechargeable battery electrically connected to a DC bus, an inverter circuit electrically connected to the DC bus, and at least one of a single-phase rectifier circuit electrically connected to the DC bus or a multi-phase rectifier circuit electrically connected to the DC bus. A local controller configured to send control signals may be connected to the rechargeable battery, the inverter circuit, and the at least one of the single-phase rectifier circuit or the multi-phase rectifier circuit. The single-phase rectifier circuit may be configured to convert a single-phase AC power signal into the DC voltage of the DC bus. The multi-phase rectifier circuit may be configured to convert a multi-phase AC power signal into the DC voltage of the DC bus.

Abstract: A vehicle battery system and a method of controlling charge of a battery in the system are provided. The system includes a first battery module that has a plurality of battery cells connected to each other in series and a second battery module that has a plurality of battery cells connected to each other in series. The second battery module is connected to the first battery module in series. A controller then monitors a state of charge of each of the first and second battery modules, such that when the state of charge of one of the first and second battery modules is less than a predetermined level, the controller performs active cell balancing between the battery cells of the first battery module and the battery cells of the second battery module.

Abstract: There is provided an information processing apparatus including a travelable information display unit that displays before a discharge, regarding motor-driven movable bodies of a discharge source and a discharge destination driven by using electric power of batteries, information about places to which the motor-driven movable body of the discharge source can move using electric power of the battery left after the discharge by assuming, when information about a discharge amount discharged from the battery of the motor-driven movable body of the discharge source toward the motor-driven movable body of the discharge destination that receives power supply is input, a case in which the discharge amount is discharged from the battery.