Abstract: The present disclosure provides an overvoltage and overcurrent protection circuit and a mobile terminal. The overvoltage and overcurrent protection circuit comprises a primary protection circuit and a secondary protection circuit. The primary protection circuit comprises a power end coupled to an anode of a cell, a detection end coupled to a cathode of the cell, and a low potential interface end coupled to a ground end of a charging and discharging interface. The secondary protection circuit comprises a high potential cell end, a low potential cell end, and a high potential interface end, in which the high potential cell end is externally coupled to the anode of the cell, the low potential cell end is externally coupled to the cathode of the cell, and the high potential interface end is externally coupled to a power end of the charging and discharging interface.

Abstract: The present disclosure discloses a charging system, a charging method and a power adapter. The system includes a power adapter and a terminal. The power adapter includes a first rectifier unit, a switch unit, a transformer, a second rectifier unit, a sampling unit, a control unit and a first isolation unit. The control unit outputs a control signal to the switch unit, and adjusts a duty ratio of the control signal according to a current value and/or voltage value sampled by the sampling unit, such that a third voltage with a third pulsating waveform outputted by the second rectifier unit meets a charging requirement. The terminal includes a battery. When the terminal is coupled to the power adapter, the third voltage is applied to the battery.

Abstract: A charging device that charges a battery device is provided. The battery device includes a memory that stores first degradation information indicating a degradation state of the battery device. The charging device includes: a voltage detection unit that detects a voltage of the battery device; and a control unit that (a) receives the first degradation information from the battery device, (b) determines degradation progress information indicating a progress degree of the degradation state of the battery device, by using a voltage detected by the voltage detection unit, (c) generates second degradation information indicating a degradation state of the battery device, by using the degradation progress information and the first degradation information, and (d) transmits the second degradation information to the battery device to cause the battery device to store the second degradation information in the memory.

Abstract: Systems and methods are disclosed for multi-coil wireless power transfer. The system includes a first transmitting coil disposed within a lower portion of a wireless charger, and a second transmitting coil disposed within a side portion of the wireless charger. The system further includes a communications module configured to receive a signal from an information handling system. The information handling system includes a receiving coil. The system additionally includes a transmit module configured to determine an orientation of the receiving coil, and provide a first current to the first transmitting coil and a second current to the second transmitting coil based on the orientation of the receiving coil.

Abstract: A hand tool case holding device includes: a holding device housing, a case accommodating area, and at least one charging coil, which is provided for the purpose of transferring energy into the case accommodating area in a direction perpendicular to a charging surface of the holding device housing. The holding device housing has a case support surface, which is provided for the purpose of causing a support force at least essentially parallel to the charging surface.

Abstract: An electrical energy storage system includes a battery configured to store electrical energy and discharge the stored electrical energy to an external system, a switch electrically connected to the battery and operable to connect the battery to the external system and disconnect the battery from the external system, a sensor configured to measure an open circuit voltage of the battery while the battery is disconnected from the external system, and a controller. The controller is configured to predict usage of the battery at a plurality of future times, schedule a time to disconnect the battery from the external system based on the predicted usage of the battery at the plurality of future times, operate the switch to disconnect the battery at the scheduled time, and obtain a measurement of the open circuit voltage of the battery while the battery is disconnected.

Abstract: A vehicle has a control system configured to perform, and a method for controlling a battery in a vehicle includes, the steps of modifying a state of charge of at least some battery cells in the battery, based on: a vehicle idle state, and the battery having at least a predetermined decay rate. The SOC of the at least some battery cells is modified such that the battery has less than the predetermined decay rate after the SOC is modified.

Abstract: The disclosure discloses an information processing method, a smart battery, a terminal and a computer storage medium. The method includes: detecting battery capacity information; detecting battery electric quantity information in real time in the process of charging a battery according to the battery capacity information; and sending the battery electric quantity information and the battery capacity information to the terminal.

Abstract: An exemplary aspect of the present disclosure relates to an electrified vehicle including, among other things, a vehicle-mounted battery and a modular battery. The modular battery is selectively removable from the vehicle, and is configured to be charged at a location remote from the vehicle. The vehicle is selectively powered by at least one of the modular battery and the vehicle-mounted battery.

Abstract: A coil unit for inductive transmission of energy includes a coil and a flux management unit to manage a magnetic flux during operation of the coil. The flux management unit is arranged behind the at least one coil, when viewed along a coil axis of the coil, and includes at least two flux management sectors and a channel between the flux management sectors. At least partially accommodating the coil and the flux management unit is a housing. A supporting element is arranged between a housing base and a housing lid and configured such that a projection of the supporting element along the coil axis is congruent with or lies within an extent of the flux management unit. A force acting on the housing lid can be diverted via the supporting element past the at least one coil and the at least two flux management sectors to the housing base.

Abstract: Systems and methods may place a battery in a first constant voltage charging mode and monitoring a diminishing current of the battery while the battery is in the first constant voltage charging mode. Additionally, the battery may be placed in a constant current charging mode when the diminishing current falls to a first predetermined threshold. In one example, a rising voltage of the battery is monitored while the battery is in the constant current charging mode and the battery is placed in a second constant voltage charging mode at an end of the charge cycle in response to the rising voltage reaching a second predetermined threshold. Moreover, a charge current corresponding to the constant current charging mode may be adjusted based on a charge capacity of the battery.

Abstract: The present invention relates to a charging circuit for an electrical energy accumulator and a method for operating a charging circuit. Common components are used for charging and discharging the electrical energy accumulator. According to the invention, a charging circuit comprises step-up and step-down functionalities and combines them with rectifier and/or inverter functionalities. In this way, a circuit arrangement is created which allows a flexible circuit design with a small number of components.

Abstract: A mobile terminal is provided with a housing, a circuit board included in the housing and having a thickness direction normal to a plane of the circuit board, a battery pack included in the housing, and a non-contact charging module included in the housing. The non-contact charging module includes a charging coil formed of a wound conducting wire; a communication coil arranged adjacent to the charging coil; and a magnetic sheet on which the charging coil and the communication coil are arranged. The magnetic sheet has four edges that collectively define a rectangular profile of the magnetic sheet, and at most three pairs of adjacent edges respectively meet to form at most three corners. At least a portion of the non-contact charging module overlaps with the circuit board as viewed in the thickness direction of the circuit board.

Abstract: The invention relates to a control circuit (250) for a power supply unit (200) that has an input (207, 209) for receiving a mains supply (208), the control circuit (250) configured to: sample the input (207, 209) in order to obtain a first sample value; sample the input (207, 209) in order to obtain a second sample value subsequent to obtaining the first sample value; compare the first and second sample values to provide an outcome; set a delay interval in accordance with the outcome of the comparison of the first and second sample values; and sample the input (207, 209) in order to obtain a third sample value after the delay interval has elapsed.

Abstract: An electric vehicle is able to be charged from a power source via a supply side controller. The supply side controller retrieves and acquires vehicular information from the electric vehicle as an electric connection is established with the electric vehicle. The supply side controller stores the retrieved vehicular information. The vehicular information may contain charging information used for a charging control and non-charging information not used for the charging control. An information device, such as a smart phone, requests to supply the vehicular information. In response to the request, the supply side controller supplies the stored vehicular information to the information device without accessing the battery charger and the vehicular functional device. Accordingly, it is possible to supply the vehicular information without rebooting the controller on the vehicle in response to the request from the information device.

Abstract: A control circuit of a battery branch in a battery system is provided. The control circuit includes a relay unit, a switch unit and a control unit. The relay unit is coupled to the battery branch. The switch unit is coupled in parallel with the relay unit. The control unit is coupled to the relay unit and the switch unit, and is arranged for controlling switching of the relay unit and the switch unit in order to selectively conduct a branch current flowing through the battery branch. A control method of a battery branch in a battery system is provided. The control method includes the following steps: coupling a relay unit to the battery branch, and coupling a switch unit in parallel with the relay unit; and controlling switching of the relay unit and the switch unit in order to selectively conduct a branch current flowing through the battery branch.

Abstract: An energy management system includes a power supply module, a charging module, an interface module and an energy management module. The power supply module provides an input power. The charging module generates, based on the input power, a first charge power and a second charge power in response to a first charge control signal and a second charge control signal. The interface module detects electrical energy stored in an energy storage device to generate a detection result. In response to the detection result, the energy management module determines an operating state of the energy storage device, and generates one of the first and second charge control signals.

Abstract: A battery charger and methods for magnetically transferring power from a power source to a battery is disclosed. A driver circuit outputs a modulated signal having a duty cycle from the power source to a sender-side circuit and across a space to a receiver-side tuned circuit. A sender-side sensor is configured to sense a parameter of the sender-side tuned circuit. The controller modifies the first duty cycle of the modulated signal based on the sensed parameter. A receiver-side circuit capable of determining charge status of the receiver side is also disclosed.

Abstract: A system for detecting and characterizing an object proximate to a wireless power transmitting unit includes a transmit circuit having a transmit antenna, the transmit circuit configured to transmit at least one signal having a frequency related to a fundamental power transmit frequency, the transmit circuit configured to measure a response of the transmit antenna, and a controller circuit configured to characterize the object based on the response of the transmit antenna.

Abstract: A route switching circuit includes: a pair of normal detection routes that output voltages of a positive side connection point and a negative side connection point, which are different from each other, in multiple batteries for constituting an assembled battery; and a pair of diagnosis detection routes that output the voltages of the positive side connection point and the negative side connection point, and confirm a connection state of the normal detection routes by using the normal detection routes, which output at least one of a voltage of a positive side battery connected to a positive side from the positive side connection point and a voltage of a negative side battery connected to a negative side from the negative side connection point.