Circuit module and electronic device

CN119731899APending Publication Date: 2025-03-28BEIJING XIAOMI MOBILE SOFTWARE CO LTD
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Patent Information

Application Number
CN202280004514.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2022-06-08
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

In existing electronic equipment, the charging circuit and the discharging circuit are arranged separately, which leads to high requirements on internal space and makes it difficult to realize the sharing of charging and discharging of the battery.

Method used

Design a circuit module that shares the charging and power supply functions of the battery through the main circuit. By switching between the charging mode and the discharging mode, the battery is connected to the first voltage terminal, and the second voltage terminal is connected to the powered terminal and the charging terminal respectively. Through the switch and transformers and other components to achieve bidirectional conduction of voltage.

Benefits of technology

It simplifies the circuit design in electronic equipment, saves internal space, reduces the requirements for space layout, and improves charging and discharging efficiency.

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Abstract

The invention relates to a circuit module and electronic equipment. The circuit module comprises a main circuit which comprises a first voltage end and a second voltage end; the battery is connected to the first voltage end, the second voltage end is respectively connected with a powered end and a charging end of the electronic equipment, and one of the charging end and the powered end is conducted with the main circuit at the same moment; wherein the circuit module comprises a charging mode and a discharging mode, when the circuit module is in the charging mode, the first voltage end of the main circuit is a voltage output end, the second voltage end of the main circuit is a voltage input end, the charging end is conducted with the main circuit, and the battery is charged; when the circuit module is in a discharging mode, the first voltage end of the main circuit is a voltage input end, the second voltage end of the main circuit is a voltage output end, the powered end is connected with the main circuit, and the battery is discharged.
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