Guangdong Oppo Mobile Telecommunications Corp., Ltd.

Fuchun Liao

Jialiang Zhang

Kewei Wu

Jun Zhang

Yuanxiang Hu

Liangcai Peng

Chen Tian

Fanhong Kong

Liang Zhang

Wenqiang Cheng

Wei Chen

Qiang Zhang

Fengshuo Liu

Nianfeng Liu

The present disclosure relates to the technical field of charging. A terminal and a battery charging control device and method are provided. The battery charging control device including a battery connector, a main control circuit and a quick charging switch circuit is adopted. During the regular charging or the quick charging, the main control circuit performs a data communication with the external power adapter via the communication interface, and obtains a charging voltage and a charging current for the battery; if the charging voltage is greater than a voltage threshold and/or the charging current is greater than a current threshold, the main control circuit sends a charging switch-off instruction, such that the controller controls the communication interface to switch off; if the charging voltage is less than or equal to the voltage threshold and the charging current is less than or equal to the current threshold, the main control circuit continues to obtain the charging voltage and the charging current.

Terminal and battery charging control device and method thereof

A power supply control method and device, a storage medium and an electronic device are provided. The method includes that: during charging, a battery is charged through a charging path of a charger, and power is supplied to an electronic device system through a power supplying path of the charger; a current voltage of the battery is detected in a charging process; whether the battery is completely charged or not is determined according to the current voltage of the battery; and the power supplying path of the charger and the charging path of the charger are turned off in response to determining that the battery is completely charged, and power is supplied to the electronic device system through the battery.

Power supply control method and device, storage medium and electronic device

A method of upgrading firmware of an adapter includes transmitting a set of n data blocks of first upgrade file to the adapter, receiving a first response information of the adapter based on the set of n data blocks, and determining that the updating procedure of the adapter fails when the first response information indicates that the adapter fails to receive all of the n data blocks. In the method, a mobile terminal transmits the upgrade file to the adapter and the adapter sends determination information to the mobile terminal after the adapter receives the upgrade file having a predetermined size. In a time interval, if the mobile terminal fails to receive the determination information or the adapter does not receive the upgrade file, the upgrading firmware of the adapter fails.

Method for upgrading firmware of adapter, mobile terminal, and adapter thereof

The present disclosure provides a power adapter, an electronic device and a charging apparatus. In the process of charging a battery in a conventional charge mode after the power adapter is powered on, the power adapter carries out quick charge inquiry communication with the electronic device when an output current value of the power adapter is within a conventional current range for a preset time interval; after the electronic device sends a quick charge command to the power adapter, the power adapter adjusts the output voltage according to the battery voltage information fed back by the electronic device; and when the output voltage meets a voltage requirement for quick charge preset by the electronic device, the power adapter adjusts the output current and the output voltage for charging the battery in a quick charge mode.

Power adapter, electronic device and method for quick charging electronic device

Embodiments of the present disclosure provide a charging method, a charging device and a terminal. According to the embodiments of the present disclosure, a current battery voltage of a battery of a terminal is obtained. A current remaining electric quantity of the battery is obtained according to the current battery voltage. A charging duration of the battery at each charging stage is obtained according to the remaining electric quantity. The battery is charged according to the charging duration of the battery at each charging stage. This solution can increase a charging speed of the terminal.

Charging method, charging device and terminal

A quick-charging control method and system are suitable for mobile terminals. The method includes: a first controller obtaining a voltage value of a cell, and sending the voltage value to a second controller; the second controller searching a threshold segment table to find a current regulation instruction matched with a threshold segment containing the voltage value of the cell, and sending the current regulation instruction to a regulation circuit; the regulation circuit performing a current regulation according the current regulation instruction, and outputting a power signal; the second controller sending a second switch-off instruction to the first controller and a second switch circuit respectively if second abnormal charging information is detected; and the second switch circuit, controlling the charging adapter to stop sending the power signal after the current regulation if the second switch circuit receives the second switch-off instruction.

Charging control method and charging device

Embodiments of the present disclosure provide a charging method, a charging device and a terminal. The charging method includes: when detecting that a battery is charged with a trickle current, acquiring a voltage of the battery; determining a preset voltage range to which the voltage belongs; acquiring a charging current corresponding to the preset voltage range; and charging the battery according to the charging current. During a process that the battery is charged with the trickle current, the battery may be charged with a different charging current when the voltage of the battery belongs to a different voltage range, thereby improving the flexibility of a trickle current charge phase.

A power adapter, an electronic equipment, a battery charging system and a battery charging method are provided. The power adapter include a communication interface and charges via the communication interface a battery of the electronic equipment; during charging a battery, the power adapter is configured to: first charge the battery in a regular charging mode; when an output current value of the power adapter falls within a regular current range for a predefined time period, send a quick charge inquiry instruction to the electronic equipment; after receiving a quick charge command sent by the electronic equipment, adjust an output voltage according to battery voltage information fed back by the electronic equipment; and if the output voltage meets a quick charge voltage requirement predefined, adjust an output current and the output voltage according to a quick charge mode so as to charge the battery.

Power adapter, electronic equipment, battery charging system and method

A charging control method, a charging control device and a terminal are provided. According to the charging control method, it is determined whether the present charging stage is the constant voltage charging stage. The predetermined charging cut-off voltage is increased to the first charging cut-off voltage if the present charging stage is the constant voltage charging stage. The charging current and the battery voltage are periodically detected at a predetermined time interval. The first charging cut-off voltage is decreased by the predetermined voltage adjustment magnitude when the charging current is greater than or equal to the predetermined threshold and the battery voltage is greater than or equal to the safety voltage. The charging is completed when the charging current is less than the predetermined threshold.

Charging control method, charging control device and terminal

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.

Firmware upgrade through GPIO port via UART protocol

The present disclosure provides a charging method and a charging system. The charging system includes a charging device and a mobile terminal, the charging device includes a second controller and an adjusting circuit, and the mobile terminal includes a cell detection circuit and a cell. The cell detection circuit acquires a voltage value of the cell, and sends the voltage value of the cell to the second controller, the second controller searches a threshold range table for a current adjusting instruction matched with a threshold range containing the voltage value of the cell, and sends the current adjusting instruction to the adjusting circuit, and the adjusting circuit performs a current adjustment according to the current adjusting instruction and outputs a power signal after the current adjustment, in which the threshold range table records threshold ranges and current adjusting instructions having a one-to-one mapping relation with threshold ranges.

Charging method and system

The present disclosure provides a charging method, a charging adapter and a charging system. The charging adapter includes a second controller and an adjusting circuit including a current detection circuit. The second controller is configured to receive a voltage value of a cell, search a threshold range table to obtain a current adjusting instruction. The current detection circuit is configured to detect a current value of a power signal outputted by the adjusting circuit. The second controller is further configured to calculate a difference between the current value detected and a current value specified by the current adjusting instruction, and send a calibration instruction to the adjusting circuit when an absolute value of the difference calculated is greater than a difference threshold. The adjusting circuit is configured to calibrate the power signal according to a current difference specified by the calibration instruction, and output a calibrated power signal.

Charging method, charging adapter and charging system

The present disclosure provides a method and an apparatus for charging and a terminal. In the present disclosure, remaining electric quantities in the two batteries may be acquired. A trickle-current charging and a constant-current charging may be performed on a first battery of the two batteries in sequence when the remaining electric quantities in the two batteries are less than a preset value. It may be stopped to charge the first battery and the trickle-current charging and the constant-current charging may be performed on a second battery of the two batteries in sequence when a charging state of the first battery is changed from the constant-current charging to a constant-voltage charging. The constant-voltage charging may be performed on the two batteries simultaneously when the constant-current charging for the second battery finishes.

Terminal and method for charging the same

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.

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Dongguan, China

Fuchun Liao