Battery charging control circuit, battery system, and electric apparatus

Abstract

The present application belongs to the technical field of batteries. Provided are a battery charging control circuit, a battery system, and an electric apparatus. The charging control circuit comprises: a first switch circuit, wherein a first connection point and a second connection point of the first switch circuit are respectively connected to a positive electrode and a negative electrode of a battery, and the first connection point or the second connection point is further used for connecting to a first terminal of an external energy apparatus; a second switch circuit, wherein a first terminal of the second switch circuit is connected to a second terminal of a first energy storage circuit, and a second terminal of the second switch circuit is connected to the midpoint between a first battery pack and a second battery pack; and the first energy storage circuit, wherein a first terminal of the first energy storage circuit is connected to a third connection point of the first switch circuit, and a second terminal thereof is used for connecting to a second terminal of the external energy apparatus; and the first switch circuit is configured to connect the first energy storage circuit and the external energy apparatus, so as to form a first charging loop, and connect the battery, the first energy storage circuit and the external energy apparatus to form a second charging loop.

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