Abstract: A charging and discharging device includes a first branch circuit and a second branch circuit connected in parallel with the first branch circuit. The first branch circuit includes a silicon-based anode lithium-ion battery. The second branch circuit includes a capacitor set configured to store electric power and to charge the silicon-based anode lithium-ion battery and/or provide power to a chargeable device connected to the charging and discharging device.

Abstract: A device to be charged, a charging method, and a charging control circuit are provided. The device to be charged includes multiple cells coupled in series, a conversion circuit, a first charging channel, a second charging channel, and a communication control circuit. The conversion circuit is configured to receive input voltage from a power supply device, convert the input voltage into charging voltage for the multiple cells and into power supply voltage for a system of the device to be charged, charge the multiple cells according to the charging voltage, and supply power to the system of the device to be charged according to the power supply voltage.

Abstract: A charging method is provided. The method includes the following. After a mobile terminal recognizes a type of a power adapter, the mobile terminal transmits indication information to the power adapter. The indication information is configured to indicate that the mobile terminal has recognized the type of the power adapter and instruct the power adapter to activate a quick charging process. The power adapter then negotiates with the mobile terminal via the quick charging process to determine charging parameters, and charges a battery of the mobile terminal in a multi-stage constant current mode.

Abstract: 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 voltage of the N cells into a power supply voltage of the electronic apparatus, such that the power supply voltage is higher than or equal to the shutdown voltage, N being an integer greater than or equal to 2; and a first power supply channel used to supply power to a system of the electronic apparatus according to the power supply voltage.

Abstract: A device to be charged and a charging and discharging control method are disclosed. The device to be charged includes: a first battery unit and a second battery unit connected in series; a charging circuit electrically connected to the first battery unit and the second battery unit; a first switch and a second switch electrically connected to the charging circuit, the first battery unit, and the second battery unit; and a control module electrically connected to the charging circuit, the first switch, and the second switch to control the first switch and the second switch according to a received control instruction, to enable the charging circuit to charge the first battery unit and the second battery unit, or enable the charging circuit to charge the second battery unit, wherein a charge rate of the first battery unit is lower than a charge rate of the second battery unit.

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: The present disclosure provides a wireless charging device and a wireless charging method. The wireless charging device includes a communication control module. The communication control module is configured to, when a power supply device is in a sleep state, control the power supply device to enter a wakeup state; and communicate with the power supply device in the wakeup state to determine a type of the power supply device, where the type of the power supply device includes a fast charging type and a non-fast charging type, a maximum output power of a fast charging power supply device is greater than or equal to a preset value, and a maximum output power of a non-fast charging power supply device is less than the preset value.

Abstract: The present disclosure discloses an apparatus and a method for power supply and an electronic device. The apparatus for power supply includes a first battery and a second battery connected in series, a first voltage step-down module and a control module. The first battery is a silicon negative lithium ion battery. The control module is configured to control the voltage step-down module to step down the voltage of the first battery and the second battery to supply power based on power supply demands, in a power supply process.

Abstract: The present disclosure provides a battery protection board, including: a body; a voltage jump detection circuit, disposed on the body, and configured to detect whether a voltage jump occurs in a voltage of a battery, and to output a voltage jump signal when a voltage jump occurs in the voltage of the battery; and a battery protection unit, coupled to an output end of the voltage jump detection circuit, and configured to determine that the battery is damaged when the voltage jump signal is received, and to protect the battery. The present disclosure also discloses a battery assembly having the above battery protection board and a terminal device having the battery assembly.

Abstract: A device to be charged, a charging method, and a charging control circuit are provided. The device to be charged includes multiple cells coupled in series and a conversion circuit. The conversion circuit is configured to receive input voltage from a power supply device, convert the input voltage into charging voltage for the multiple cells and into power supply voltage for a system of the device to be charged, charge the multiple cells according to the charging voltage, and supply power to the system of the device to be charged according to the power supply voltage.

Abstract: Embodiments of the invention provide a workbench, includes: a workbench unit (110), including a first workbench unit (112) and a second workbench unit (114), the first workbench unit (112) and the second workbench unit (114) are rotatably connected; the first table unit (112) is provided with a first working surface (1120), and the second workbench unit (114) is provided with a second working surface (1140); a bracket (120), including a plurality of support legs (122) and detachably connected to the workbench unit (110); when the workbench unit (110) is in the first state, the first working surface (1120) and the second working surface (1140) together form a working surface supporting the workpiece; when the workbench unit (110) is in the second state, the first workbench unit (112) and the second workbench unit (114) form a bracket placement cavity (140) for at least partially accommodating the bracket (120).

Abstract: A device and a method for charging control, and an electronic device are provided. The device includes an interface module configured to be connected to an external charging device; a battery unit including a plurality of battery cells connected in series; a controller connected to the interface module, and configured to identify a charging mode of the external charging device and send a control instruction correspondingly according to the charging mode; a charging circuit connected to the controller and the battery unit and configured to receive the control instruction, so as to charge the battery unit according to a charging signal output by the external charging device; and a voltage dividing circuit connected in series with the battery unit, and configured to divide an output voltage of the battery unit to obtain a power supply voltage suitable for powering the electronic device.

Abstract: A rectifier circuit applied in an AC/AC power supply, the rectifier circuit including: a filter circuit configured to receive a DC pulsating voltage, and to generate a supply voltage, where the supply voltage follows the DC pulsating voltage during a first time interval of an operation cycle; and where during a second time interval of the operation cycle, a value of the supply voltage is greater than the value of the supply voltage at an end of the first time interval, in order to reduce a size of the filter circuit.

Abstract: The present disclosure provides a power supply device and a charging control method. The power supply device includes a primary conversion circuit, a secondary conversion circuit, a transformer, a feedback control circuit, and a power adjustment circuit. An input end of the feedback control circuit is coupled to both ends of an inductance element in the secondary conversion circuit. The feedback control circuit is configured to sample an output current of the power supply device based on the impedance of the inductance element to obtain a current sampling value, and to generate a feedback signal according to the current sampling value. The power adjustment circuit is coupled to an output end of the feedback control circuit, and is configured to adjust a power coupled from the primary conversion circuit to the secondary conversion circuit via the transformer according to the feedback signal.

Abstract: A terminal and a device are provided. The terminal includes a charging interface and a first charging circuit. The first charging circuit is coupled with the charging interface, and is configured to receive an output voltage from the adapter via the charging interface and apply the output voltage to both ends of multiple cells connected in series in the terminal to charge the multiple cells.

Abstract: The present technology discloses systems, methods, and computer-readable media to establish at least one target for a network, the target including at least one of an ingress parameter or an egress parameter and a policy for network packets; receive at least one network packet on the network; search for at least one matching target from the at least one targets, the at least matching target comprising parameters that match the at least one network packet; apply a policy in the at least one matching target to the at least one network packet; and forward the at least one network packet in accordance with the policy.

Abstract: A power adapter and a terminal are provided. The power adapter includes a power conversion component and a charging interface, the charging interface including a power line; the power conversion component is configured to form a charging loop with a terminal via the power line, for charging a battery of the terminal. The power adapter further includes a communication component, the charging interface further comprises a data line; during a coupling of the power adapter to the terminal, the communication component is configured to perform a bidirectional communication with the terminal via the data line.

Abstract: A charging system, a charging method, and a power adapter are provided. The power adapter includes a battery, a first rectification unit, a transformer, a synthesis unit, a first charging interface, a sampling unit, and a modulation and control unit. The modulation and control unit is configured to modulate a voltage of a first pulsating waveform according to a voltage sampling value obtained by the sampling unit, such that a second AC output from the synthesis unit meets charging requirements.

Abstract: Embodiments of the present disclosure provide a cell protection circuit and an electronic device. The circuit includes a control module, multistage cell units coupled in series and N output interfaces. A positive electrode of a first-stage cell unit and a negative electrode of a last-stage cell unit are each coupled to an output interface, and a negative electrode of each upper-stage cell unit and a positive electrode of an adjacent lower-level cell unit are coupled to a same output interface. A protection module is coupled between at least one output interface in the N output interfaces and a cell unit coupled thereto. The control module is coupled to the protection module, and is configured to control the protection module to be turned off when an electrical signal on a path where the protection module is located is abnormal. N is an integer greater than or equal to 3.

Abstract: A terminal and a device are provided. The terminal includes a charging interface and a first charging circuit. The first charging circuit is coupled with the charging interface, and is configured to receive an output voltage from the adapter via the charging interface and apply the output voltage to both ends of multiple cells connected in series in the terminal to charge the multiple cells.