Abstract: A method and apparatus for charging a battery is provided. The apparatus includes: a constant current circuit, a constant voltage circuit and a control circuit. The control circuit is adapted to control the constant current circuit to perform constant current charging to the battery; after a battery voltage during the constant current charging reaches a preset charging limited voltage, control the constant voltage circuit to perform constant voltage charging to the battery; after a charging current during the constant voltage charging becomes smaller than or equal to a predetermined threshold, control the battery to be charged by pulse charging until an open circuit voltage of the battery is larger than or equal to a preset voltage threshold.

Abstract: The present invention is adapted for the field of power supply and provides a battery charging device and a method for controlling charging thereof, including: a charging circuit which has a charging current setting terminal for charging the battery according to charging current of the charging current setting terminal; a charging current control circuit which is connected with the charging current setting terminal and adjusts the charging current gradually according to equivalent resistance in the charging current control circuit; a general register circuit which is connected to the charging current control circuit and to control the equivalent resistance by setting value of a general register. In the present invention, a plurality of switching tubes and resistances are integrated into the charging current control circuit.

Abstract: The present invention is applicable to the field of electrics and provides an integrated circuit (IC) and a standby controlling method thereof. The IC comprises a reset device, a standby control device, a functional device and a power supply control device. The functional device at least comprises a functional unit that does not operate in a standby mode. The power supply control device is configured to supply power to the functional device, the standby control device and the reset device.

Abstract: A method for adjusting a reference voltage is provided, including: decoding a default code configured in a reference voltage register in a chip to obtain an actual reference voltage; comparing the actual reference voltage with a benchmark value to obtain a deviation value between the two; configuring an adjustment code according to the deviation value; and, burning the adjustment code into a nonvolatile storage medium. The present invention also discloses an apparatus for adjusting a reference voltage. Thus, adjustment on the reference voltage of the chip is standardized and costs of the chip's application schemes are saved. A method and apparatus for obtaining a reference voltage are also provided, and thus stability of the circuit's working is improved and costs of the chip's applications are decreased.

Abstract: A method and apparatus for charging a battery is provided. The apparatus includes: a constant current circuit, a constant voltage circuit and a control circuit. The control circuit is adapted to control the constant current circuit to perform constant current charging to the battery; after a battery voltage during the constant current charging reaches a preset charging limited voltage, control the constant voltage circuit to perform constant voltage charging to the battery; after a charging current during the constant voltage charging becomes smaller than or equal to a predetermined threshold, control the battery to be charged by pulse charging until an open circuit voltage of the battery is larger than or equal to a preset voltage threshold.

Abstract: The present invention is applicable to the field of electrics and provides an integrated circuit (IC) and a standby controlling method thereof. The IC comprises a reset device, a standby control device, a functional device and a power supply control device. The functional device at least comprises a functional unit that does not operate in a standby mode. The power supply control device is configured to supply power to the functional device, the standby control device and the reset device.

Abstract: The present invention is adapted for the field of power supply and provides a battery charging device and a method for controlling charging thereof, including: a charging circuit which has a charging current setting terminal for charging the battery according to charging current of the charging current setting terminal; a charging current control circuit which is connected with the charging current setting terminal and adjusts the charging current gradually according to equivalent resistance in the charging current control circuit; a general register circuit which is connected to the charging current control circuit and to control the equivalent resistance by setting value of a general register. In the present invention, a plurality of switching tubes and resistances are integrated into the charging current control circuit.

Abstract: The present invention discloses a method for adjusting a reference voltage, including: decoding a default code configured in a reference voltage register in a chip to obtain an actual reference voltage; comparing the actual reference voltage with a benchmark value to obtain a deviation value between the two; configuring an adjustment code according to the deviation value; and, burning the adjustment code into a nonvolatile storage medium. The present invention also discloses an apparatus for adjusting a reference voltage. According to the method and apparatus for adjusting a reference voltage provided by embodiments of the present invention, the reference voltage need not be adjusted according to an external power supply's different application schemes. Thus, adjustment on the reference voltage of the chip is standardized and costs of the chip's application schemes are saved.