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CN-224233382-U - Charging module and electronic equipment

CN224233382UCN 224233382 UCN224233382 UCN 224233382UCN-224233382-U

Abstract

The disclosure relates to a charging module and an electronic device. The charging module comprises a battery assembly, a charging port, a first charging circuit and a second charging circuit which are arranged in parallel and are connected between the charging port and the battery assembly, wherein the first charging circuit is used for charging the battery assembly when detecting that the charging port transmits an electric signal and the current voltage of the battery assembly is larger than or equal to a first preset voltage threshold and smaller than a second preset voltage threshold, and the second charging circuit is used for charging the battery assembly after the charging voltage of the battery assembly based on the first charging circuit reaches a third preset voltage threshold, and the charging power of the first charging circuit for charging the battery assembly is larger than the charging power of the second charging circuit for charging the battery assembly. Through the embodiment of the disclosure, the charging capacity of the battery assembly charged each time can be improved, and the user use experience and the endurance competitiveness of the corresponding product of the charging module are improved.

Inventors

  • LIU HANGRAN

Assignees

  • 北京小米移动软件有限公司

Dates

Publication Date
20260512
Application Date
20250410

Claims (10)

  1. 1. A charging module, comprising: A battery assembly; a charging port; The first charging circuit and the second charging circuit are arranged in parallel and are both connected between the charging port and the battery assembly; The first charging circuit is used for charging the battery assembly under the condition that the charging port transmits an electric signal and the current voltage of the battery assembly is detected to be larger than or equal to a first preset voltage threshold value and smaller than a second preset voltage threshold value; The second charging circuit is used for charging the battery assembly after the charging voltage of the battery assembly, which is charged based on the first charging circuit, reaches a third preset voltage threshold; The first preset voltage threshold is smaller than the second preset voltage threshold, the second preset voltage threshold is smaller than the third preset voltage threshold, and the charging power of the first charging circuit for charging the battery assembly is larger than the charging power of the second charging circuit for charging the battery assembly.
  2. 2. The charging module of claim 1, wherein the second charging circuit is in an on state and the first charging circuit is in an off state if the charging port is detected to transmit an electrical signal and the current voltage of the battery assembly is less than the first preset voltage threshold; And under the condition that the current voltage of the battery assembly reaches the third preset voltage threshold value, the first charging circuit and the second charging circuit are both in an off state.
  3. 3. The charging module of claim 2, wherein a duration of time that the first charging circuit and the second charging circuit are both in an off state is a preset duration of time.
  4. 4. A charging module according to any one of claims 1 to 3, further comprising: The boosting module is arranged on the first charging circuit, connected between the charging port and the battery assembly and used for boosting the input voltage of the charging port and inputting the boosted input voltage to the battery assembly; The power management chip is arranged on the second charging circuit, connected between the charging port and the battery assembly, and used for monitoring the voltage of the battery assembly and switching on or off the second charging circuit according to the voltage of the battery assembly.
  5. 5. The charging module of claim 4, wherein the charging module further comprises: The level conversion module is arranged on the second charging circuit, connected between the power management chip and the battery assembly, and used for converting the input voltage and the input current of the charging port when the battery assembly is charged and converting the voltage and the current of the battery assembly when the battery assembly is discharged.
  6. 6. The charging module of claim 5, wherein the level shifting module comprises a first port and a second port; The first port is connected with the power management chip, the second port is connected with the positive electrode of the battery assembly, the boosting module is connected with the positive electrode of the battery assembly, and the negative electrode of the battery assembly is grounded.
  7. 7. The charging module of claim 4, wherein the charging module further comprises: The protection module is arranged on the second charging circuit, connected between the charging port and the power management chip and used for disconnecting the charging port and the power management chip when the input voltage of the charging port is greater than a fourth preset voltage threshold.
  8. 8. A charging module according to any one of claims 1 to 3, wherein the battery assembly comprises at least two battery cells connected in series or parallel.
  9. 9. An electronic device, comprising: the charging module according to any one of claims 1 to 8; And the control module is connected with the first charging circuit and the second charging circuit of the charging module and used for controlling the on-off states of the first charging circuit and the second charging circuit.
  10. 10. The electronic device of claim 9, wherein a boost module of the charging module is disposed on the first charging circuit, and a power management chip of the charging module is disposed on the second charging circuit; The control module is electrically connected with the boosting module and the power management chip and is used for controlling the boosting module to be connected with or disconnected from the first charging circuit and controlling the power management chip to be connected with or disconnected from the second charging circuit.

Description

Charging module and electronic equipment Technical Field The disclosure relates to the field of charging technologies, and in particular, to a charging module and an electronic device. Background With the progress and development of technology, electronic devices such as mobile phones and tablet computers are updated and iterated continuously, so that more and more convenience is brought to daily production and life of people. At present, in order to pursue a charging speed, a battery of an electronic device is charged with less electricity under a large current than is charged under a common current, and particularly under the condition that the internal resistance of the battery is doubled, the effective capacity of the battery is difficult to develop, so that the charging electric quantity of each battery is low and the endurance is low. Disclosure of utility model For overcoming the problem that exists among the related art, this disclosure provides a module and electronic equipment charge, can improve the charge electric quantity that the battery pack charged at every turn, promotes user's use experience and the duration competitiveness of the corresponding product of module that charges. According to a first aspect of embodiments of the present disclosure, there is provided a charging module, at least including: A battery assembly; a charging port; The first charging circuit and the second charging circuit are arranged in parallel and are both connected between the charging port and the battery assembly; The first charging circuit is used for charging the battery assembly under the condition that the charging port transmits an electric signal and the current voltage of the battery assembly is detected to be larger than or equal to a first preset voltage threshold value and smaller than a second preset voltage threshold value; The second charging circuit is used for charging the battery assembly after the charging voltage of the battery assembly, which is charged based on the first charging circuit, reaches a third preset voltage threshold; The first preset voltage threshold is smaller than the second preset voltage threshold, the second preset voltage threshold is smaller than the third preset voltage threshold, and the charging power of the first charging circuit for charging the battery assembly is larger than the charging power of the second charging circuit for charging the battery assembly. In some embodiments, the second charging circuit is in an on state and the first charging circuit is in an off state if the charging port is detected to transmit an electrical signal and the current voltage of the battery assembly is less than the first preset voltage threshold; And under the condition that the current voltage of the battery assembly reaches the third preset voltage threshold value, the first charging circuit and the second charging circuit are both in an off state. In some embodiments, the duration that the first charging circuit and the second charging circuit are both in the off state is a preset duration. In some embodiments, the charging module further comprises: The boosting module is arranged on the first charging circuit, connected between the charging port and the battery assembly and used for boosting the input voltage of the charging port and inputting the boosted input voltage to the battery assembly; The power management chip is arranged on the second charging circuit, connected between the charging port and the battery assembly, and used for monitoring the voltage of the battery assembly and switching on or off the second charging circuit according to the voltage of the battery assembly. In some embodiments, the charging module further comprises: The level conversion module is arranged on the second charging circuit, connected between the power management chip and the battery assembly, and used for converting the input voltage and the input current of the charging port when the battery assembly is charged and converting the voltage and the current of the battery assembly when the battery assembly is discharged. In some embodiments, the level shifting module includes a first port and a second port; The first port is connected with the power management chip, the second port is connected with the positive electrode of the battery assembly, the boosting module is connected with the positive electrode of the battery assembly, and the negative electrode of the battery assembly is grounded. In some embodiments, the charging module further comprises: The protection module is arranged on the second charging circuit, connected between the charging port and the power management chip and used for disconnecting the charging port and the power management chip when the input voltage of the charging port is greater than a fourth preset voltage threshold. In some embodiments, the battery assembly includes at least two battery cells connected in series or parallel. According to a second aspect of