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

Abstract: A terminal device and a charge control method are provided by the disclosure. The terminal device includes a first processor, which includes a first communication interface. The first processor receives a firmware transmitted by a second processor through the first communication interface when the first communication interface is open, and reads control instructions recorded in the firmware when the terminal device is coupled to an adapter, to control the adapter to charge the terminal device, wherein when the first processor stores no firmware, the first communication interface is open; a second processor acquires the firmware from a server, and when the first communication interface is open, transmits the firmware by the first communication interface. Therefore, the improved charge method based on the control of the terminal device is more practical and universal.

Abstract: A heat dissipation device, a terminal, and a method for controlling a heat dissipation device are provided. The heat dissipation device includes a first conductive layer and a second conductive layer disposed opposite to each other, and a power supply control circuit coupled with the first conductive layer and the second conductive layer. The first conductive layer is made of a thermal conductive material. The power supply control circuit is configured to alternately apply, between the first conductive layer and the second conductive layer, a first electric field and a second electric field which are in opposite directions.

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: The embodiments of the present disclosure provide a power adapter and a method for upgrading the power adapter. The power adapter includes a radio frequency unit configured to receive firmware upgrade data from a server via an antenna, a micro controller unit configured to upgrade a firmware of the micro controller unit according to the firmware upgrade data received by the radio frequency unit, and a charging interface configured to charge a terminal. In embodiments of the present disclosure, the power adapter includes the radio frequency unit and the antenna, thus the power adapter can communicate with the server via a network, so as to obtain updated firmware upgrade data to upgrade the firmware. That is, in the embodiments of the present disclosure, the firmware of the MCU of the power adapter is upgraded via a network.

Abstract: A computer architecture for graph-traversal provides a processor for bottom-up sequencing through the graph data according to vertex degree. This ordered sequencing reduces redundant edge checks. In one embodiment, vertex adjacency data describing the graph may be allocated among different memory structures in the memory hierarchy to provide faster access to vertex data associated with vertices of higher degree reducing data access time. The adjacency data also may be coded to provide higher compression in memory of vertex data having high vertex degree.

Abstract: The present disclosure provides a charging system, a power adapter and a charging method. The power adapter includes a first rectifier, a switch unit, a transformer, a second rectifier, a first current sampling circuit, a first capacitor bank and a second capacitor bank, and a control unit. The control unit is configured to output a control signal to the switch unit, and determine an output current of the power adapter according to a current sampling value sampled by the first current sampling circuit when the power adapter enters a first charging mode, wherein, the control unit is configured to isolate the first capacitor bank when the output current of the power adapter is at a rising edge or a falling edge, and enable the first capacitor bank to work when the output current of the power adapter is at a platform segment.

Abstract: A power adapter, a terminal, and a method for processing an impedance anomaly in a charging loop are provided. The terminal includes a battery and a charging interface, and is configured to form a charging loop with a power adapter via the charging interface to charge the battery. The terminal further includes: a communication component, configured to receive voltage indication information from the power adapter when the power adapter charges the terminal, the voltage indication information indicating an output voltage of the power adapter; a detection component, configured to detect an input voltage of the power adapter; and an anomaly processing component, configured to determine whether an impedance of the charging loop is abnormal according to a difference between the input voltage and the output voltage, and to control the charging loop to enter into a protected state if the impedance of the charging loop is abnormal.

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: 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: Provided are a power supply circuit, a power supply device and a control method. The power supply circuit includes a primary rectifier unit, a modulation unit, a transformer, a secondary rectifier and filtering unit, a current feedback unit and a current sampling control unit. The power supply circuit removes a liquid electrolytic capacitor at a primary side, and an output current of the power supply circuit has a periodically changing current value. The power supply circuit may determine when the output current is at a peak value based on a feedback voltage outputted by the current feedback unit, such that the power supply circuit may manage and control a size of the peak value of the output current.

Abstract: An adapter and a charging control method are provided, the adapter includes: a power conversion unit, a voltage feedback unit, a current feedback unit, and a power adjusting unit. An input end of the power adjusting unit is coupled to an output end of the voltage feedback unit and an output end of the current feedback unit respectively, and an output end of the power adjusting unit is coupled to the power conversion unit. The power adjusting unit is configured to receive a voltage feedback signal and a current feedback signal, and to stabilize the output voltage and the output current of the adapter when the voltage feedback signal indicates that the output voltage of the adapter reaches a predetermined target voltage or when the current feedback signal indicates that the output current of the adapter reaches a predetermined target current.

Abstract: The present disclosure discloses a charging system, a charging method, and a power adapter. The charging system includes a battery, a first rectifier, a switch unit, a transformer, a second rectifier, a sampling unit, and a control 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 ripple waveform outputted by the second rectifier meets a charging requirement. The third voltage is applied to the battery.

Abstract: A neural network processor architecture provides decompression circuitry that can exploit patterns of data in kernel weights of a convolutional neural net as flattened to a vector, the compression allowing reduced kernel data storage costs including on-chip-storage.

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: A charging control apparatus and method for an electronic device are provided. During a process of charging, the power adapter first charges the battery with a constant-voltage direct current output, and then after the power adapter receives a quick-charging instruction, the power adapter adjusts an output voltage according to the voltage of the battery fed back by the charging control circuit, and if the output voltage meets a quick-charging voltage condition pre-set by the charging control circuit, the power adapter adjusts an output current and the output voltage respectively according to a preset quick-charging current value and a preset quick-charging voltage value for quick-charging the battery, and meanwhile the charging control circuit introduces direct current from the power adapter for charging the battery; during a process of quick-charging, the power adapter adjusts the output current in real time according to the output voltage thereof and the voltage of the battery.

Abstract: An adapter for charging control includes a power converting unit, a voltage feedback unit, a current feedback unit, and a power adjusting unit. The power adjusting unit includes an input end coupled to an output end of the voltage feedback unit to an output end of the current feedback unit, and an output end coupled to the power converting unit. The power adjusting unit is used to receive the voltage feedback signal and the current feedback signal, and stabilize the output voltage and output current of the second adapter when the voltage feedback signal indicates that the output voltage of the second adapter has reached the target voltage, or the current feedback signal indicates the output current of the second adapter has reached the target current.

Abstract: The present disclosure discloses a charging system, a lightning protection method for a terminal during charging and a power adapter. The charging system includes a power adapter and a terminal. The power adapter includes a first rectifier, a switch unit, a transformer, a second rectifier, a first charging interface, a second voltage sampling circuit, and a control unit. The control unit adjusts a duty ratio of a control signal such that a third voltage with a third ripple waveform outputted by the second rectifier meets a charging requirement, and controls the switch unit to switch on for a first predetermined time period for discharging when the voltage value sampled is greater than a first predetermined voltage value. The terminal includes a second charging interface and a battery. When the second charging interface is coupled to the first charging interface, the second charging interface applies the third voltage to the battery.

Abstract: A charging system, a charging method, and a power adapter are provided. The power adapter includes a first rectification unit, a switch unit, a transformer, a second rectification unit, a first charging interface, a sampling unit, a control unit, a second charging interface, and a battery coupled to the second charging interface. The control unit is configured to output a control signal to the switch unit, and adjust a duty ratio of the control signal based on a voltage sampling value and/or current sampling value sampled by the sampling unit, in which a voltage of a third pulsating waveform meets charging requirements. When the second charging interface is coupled to the first charging interface, the second charging interface applies the voltage of the third pulsating waveform to the battery, in which the voltage of the pulsating waveform output from the power adapter can be directly applied to the battery.

Abstract: A charging system, a charging method, and a power adapter are provided. The power adapter includes a first rectification unit, a switch unit, a transformer, a second rectification unit, a first charging interface, a sampling unit, and a control unit. The control unit is configured to output a control signal to the switch unit, and adjust a duty ratio of the control signal based on a voltage sampling value and/or current sampling value sampled by the sampling unit, in which a voltage of a third pulsating waveform output from the second rectification unit meets the charging requirements.