Abstract: The present disclosure provides a device to be charged and a charging method. The device to be charged includes: a charging interface; a first charging circuit, coupled with the charging interface, configured to receive an output voltage and an output current of an adapter via the charging interface and to directly apply the output voltage and the output current of the adapter to both ends of a plurality of battery cells coupled in series in the device to be charged, so as to perform a direct charging on the plurality of battery cells. With the present disclosure, heat generated in the charging process can be reduced while ensuring the charging speed.

Abstract: The present disclosure provides a wireless charging device and method, and a device to be charged. The wireless charging device includes a first communication control circuit. The device to be charged includes a second communication control circuit and a battery. The first communication control circuit performs wireless communication with the second communication control circuit during wireless charging of the battery. The wireless communication may be one or more of Bluetooth communication, Wi-Fi communication, short-range wireless communication based on a high carrier frequency, optical communication, ultrasonic communication, ultra-wideband communication and mobile communication.

Abstract: The present disclosure provides a wireless charging method, device, and system, and a device to be charged. The method includes: a wireless charging device receiving a request instruction sent by a device to be charged, the request instruction being configured to request the wireless charging device to provide a type of a power supply device to the device to be charged; the wireless charging device sending the type of power supply device identified by the wireless charging device to the device to be charged according to the request instruction. The type of power supply device including a fast charging type and a normal type, a maximum output power provided by the fast charging power supply device is greater than or equal to a preset value, and a maximum output power provided by the normal power supply device is less than the preset value.

Abstract: The present disclosure provides a battery charging apparatus and a battery charging protection control method. A power adapter in the battery charging apparatus performs data communication with a charging control circuit; when the power adapter determines that overvoltage and/or overcurrent occurs in the direct current output by a communication interface of the power adapter, the power adapter notifies the charging control circuit to drive a controller in the electronic device to switch off a communication interface of the electronic device and switches off the direct current output automatically; when the charging control circuit determines that overvoltage and/or overcurrent occurs upon receiving output voltage and output current of the power adapter, the charging control circuit notifies the power adapter to switch off the direct current output and drives the controller in the electronic device to switch off the communication interface of the electronic device.

Abstract: Provided are a charging system, charging method, and device, said charging system comprising a battery; a first rectifier, configured to output a first voltage with a first pulsating waveform; a switch unit, configured to modulate the first voltage; a transformer, configured to output a second voltage with a second pulsating waveform; a second rectifier, configured to output a third voltage with a third pulsating waveform, and the third voltage is configured to be applied to the battery charge the battery; a first current sampling circuit, configured to sample current to obtain a current sampling value; and a control unit configured to output the control signal to the switch unit, adjust the amplification factor of the operational amplifier, and adjust a duty ratio of the control signal according to the current sampling value, such that the third voltage meets a charging requirement of the battery.

Abstract: The present disclosure discloses a charging device, a charging method, a power adapter and a terminal. The device includes: a charging receiving terminal configured to receive a first alternating current; a voltage adjusting circuit, including a first rectifier configured to rectify the first alternating current and output a first voltage with a first ripple waveform, a switch unit configured to modulate the first voltage according to a control signal to obtain a modulated first voltage, a transformer configured to output a plurality of voltages with ripple waveforms according to the modulated first voltage, and a compositing unit configured to composite the plurality of voltages to output a second alternating current; and a central control module configured to output the control signal to the switch unit so as to adjust voltage and/or current of the second alternating current in response to a charging requirement of the battery.

Abstract: Provided are a wireless charging system, a wireless charging device and a wireless charging method. The wireless charging device includes a voltage conversion circuit, a wireless transmitter circuit and a communication control circuit. The voltage conversion circuit is configured to receive an input voltage and convert the input voltage to obtain an output voltage and an output current. The wireless transmitter circuit is configured to transmit an electromagnetic signal according to the output voltage and the output current of the voltage conversion circuit to perform wireless charging on a device to be charged. The communication control circuit is configured to perform wireless communication with the device to be charged during the wireless charging, to adjust a transmitting power of the wireless transmitter circuit, such that the transmitting power matches a charging voltage and/or a charging current required by a present charging stage of the battery.

Abstract: A quick charging method, a power adapter and a mobile terminal are provided. The method is applied to the power adapter, the power adapter is coupled to the mobile terminal through a USB interface, a power line in the USB interface is used by the power adapter to charge the mobile terminal, a data line in the USB interface is used by the power source adapter to conduct a bidirectional communication with the mobile terminal, and the power adapter supports a common charging mode and a quick charging mode, charging current of the quick charging mode is greater than that of the common charging mode. The method includes: conducting a bidirectional communication with the mobile terminal to determine to charge the mobile terminal in the quick charging mode; and adjusting charging current to charging current corresponding to the quick charging mode to charge the mobile terminal.

Abstract: A data transmission method and a sending end device are provided. The method is applied to short-range wireless communication based on a high carrier frequency. During the process of a sending end device sending data to be transmitted to a receiving end device, the method includes: after short-range wireless communication interrupted between the sending end device and the receiving end device is restored, the sending end device querying recorded transmission information, wherein the transmission information is used to indicate a data block, transmission of which is not completed, in the data to be transmitted; and the sending end device sending, to the receiving end device, the data block, transmission of which is not completed, in the data to be transmitted.

Abstract: A wireless charging device and a device to-be-charged are provided. The wireless charging system includes a wireless charging device and a device to-be-charged. The wireless charging device is configured to charge the device to-be-charged wirelessly. The wireless charging device includes a wireless transmitting circuit and a first communication control circuit; the device to-be-charged comprises a battery, a wireless receiving circuit, a detecting circuit, and a second communication control circuit. The second communication control circuit is configured to conduct wireless communication with the first communication control circuit, to send to the first communication control circuit at least one of an output voltage and an output current of the wireless receiving circuit detected by the detecting circuit, whereby the first communication control circuit adjusts a transmission power of the wireless transmitting circuit, to meet charging requirements of the battery.

Abstract: A charging cable includes a first interface, configured to connect to a power adapter electronically; and/or a second interface, configured to connect to an electronic equipment electronically; at least one of the first interface and the second interface comprising: a contact sheet; and a first temperature measuring component, configured to measure temperature of the contact sheet, and arranged on the same thermal conductive substrate as the contact sheet. The charging cable further includes a controller, configured to determine temperature of a charging interface and control charging for the electronic equipment according to the temperature of the charging interface, wherein the charging interface comprises at least one of the following interfaces: an interface of the power adapter used for electrical connection with the charging cable, the first interface, the second interface, and an interface of the electronic equipment used for electrical connection with the charging cable.

Abstract: The present disclosure provides a charging method, a power supply device, and a terminal device. The method includes: transmitting, by the power supply device, clock signal to the terminal device via a first data line of the USB interface in a process of that the power supply device is coupled to the terminal device, wherein the clock signal is used for indicating a communication sequence between the power supply device and the terminal device; conducting, by the power supply device, a bidirectional communication with the terminal device via a second data line of the USB interface under control of the communication sequence, so as to determine to charge the terminal device in the quick charging mode; and adjusting, by the power supply device, a charging current of the power supply device to the charging current corresponding to the quick charging mode to charge the terminal device.

Abstract: A charging system for a terminal, a charge method, and a terminal are provided. The charging system includes a power adapter and the terminal. The terminal includes a battery, a fast charging circuit, a voltameter and a comparator circuit. The fast charging circuit applies the voltage with a pulsating waveform to the battery and acquires a battery voltage threshold value. The voltameter adjusts a reference voltage based on the battery voltage threshold value. The comparator circuit outputs a reverse signal to the fast charging circuit when a battery voltage reaches the reference voltage. The fast charging module adjusts a charging state through the power adapter.

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: Provided are a wireless charging device, a wireless charging method, and a device to-be-charged. The wireless charging device is configured to conduct wireless communication with the device to-be-charged through communication control circuits to adjust a transmission power of the wireless charging device. The device to-be-charged includes a battery, a wireless receiving circuit, a first charging channel, a detecting circuit, and a communication control circuit.

Abstract: Provided are a wireless charging device, a device to-be-charged, a method for controlling charging. The wireless charging device includes a wireless transmitting circuit, a transmitting coil, and a control circuit. The transmitting coil includes multiple pairs of joints, and transmitting-coil turns defined by each pair of joints is different. The control circuit is configured to select one of the multiple pairs of joints to be electrically coupled with the wireless transmitting circuit.

Abstract: Provided are a wireless charging system, a wireless charging method, and a device to-be-charged. The wireless charging system includes a wireless charging device and a device to-be-charged. The wireless charging device is configured to conduct wireless communication with the device to-be-charged through communication control circuits to adjust a transmission power of the wireless charging device. In addition, the device to-be-charged has a step-down circuit.

Abstract: A mobile terminal, a power adapter, and an upgrade method are disclosed. The method includes: downloading firmware upgrade information data of the power adapter by a mobile terminal; and sending the firmware upgrade information data to a processor of the power adapter by the mobile terminal through a data line in a charging port when the mobile terminal is coupled to the power adapter through the charging port to facilitate the processor to upgrade the firmware of the power adapter according to the firmware upgrade information data. The mobile terminal downloads the firmware upgrade information data, and the most updated firmware upgrade information data is transmitted to the power adapter during the process that the mobile terminal connects to the power adapter, the power adapter is upgraded to solve the problem that the power adapter is difficult to upgrade.

Abstract: Provided are a charging system, a protection method and a power adapter. The charging system comprises: a battery, a first rectification unit, a switch unit, a transformer, a second rectification unit), a voltage sampling circuit, a control unit, and a comparator unit. The first rectification unit outputs the voltage with the first pulsating waveform. The switch unit outputs the modulated voltage with the first pulsating waveform. The transformer outputs the voltage with the second pulsating waveform. The second rectification unit outputs the voltage with the third pulsating waveform. The control unit adjusts a duty cycle of a control signal, such that the voltage of a third pulsation waveform meets the charging requirement of the battery. The comparator unit applies a comparison signal to the switch unit when the voltage sampling value is greater than the reference voltage value, so as to control the switch unit to forcibly open.

Abstract: A power supply circuit, a power supply apparatus, and a control method are provided. The power supply circuit includes a primary unit, a modulating unit, a transformer, a secondary rectifier-filter unit, a voltage feedback unit, and a control unit. The control unit of the power supply circuit is configured to communicate with a device to-be-charged to adjust output power of the power supply circuit, to make at least one of output voltage and output current of the power supply circuit match a present charging stage of a battery of the device to-be-charged, and control the output voltage thereof within a first voltage range or a second voltage range.