According to the embodiment of the invention, the invention provides a method and a device for controlling a battery output circuit and a battery management system. The battery output circuit is configured to control an output of a battery and includes a charging MOSFET and a discharging MOSFET connected in series, a drain of the charging MOSFET being connected to a drain of the discharging MOSFET or a source of the charging MOSFET being connected to a source of the discharging MOSFET. The method comprises the following steps: acquiring the conduction state of the charging MOSFET and the conduction state of the discharging MOSFET; obtaining the magnitude and type of current in the charging MOSFET and the discharging MOSFET, wherein the type comprises charging current and discharging current; under the condition that the charging MOSFET is in an on state and the current is charging current, comparing the magnitude of the current with a first threshold value; and controlling the discharge MOSFET to be turned on in response to the situation that the magnitude of the current is greater than the first threshold value.
根据本公开的实施例,提供了用于控制电池输出电路的方法和装置以及电池管理系统。所述电池输出电路被配置为控制电池的输出并且包括串联连接的充电MOSFET和放电MOSFET,所述充电MOSFET的漏极连接至所述放电MOSFET的漏极或者所述充电MOSFET的源极连接至所述放电MOSFET的源极。所述方法包括:获取所述充电MOSFET和所述放电MOSFET的传导状态;获取所述充电MOSFET和所述放电MOSFET中的电流的大小和类型,所述类型包括充电电流和放电电流;在所述充电MOSFET处于开启状态并且所述电流为充电电流的情况下,将所述电流的大小与第一阈值进行比较;以及响应于所述电流的大小大于所述第一阈值,控制所述放电MOSFET开启。
Method and device for controlling battery output circuit and battery management system
用于控制电池输出电路的方法和装置以及电池管理系统
2024-05-24
Patent
Electronic Resource
Chinese
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