公开(公告)号：US20160049812A1

公开(公告)日：2016-02-18

申请号：US14514394

申请日：2014-10-15

Applicant: IEI Integration Corp.

Inventor： Wei-Hung Li

IPC: H02J7/00

CPC classification number: H02J7/0019 ,  H02J7/007

Abstract: A battery expansion system and a battery charging and discharging control method configure the cells as an expansion form to connect to a system host such that the charger IC of the system host treats the battery expansion system as a single battery cell for DC charging and discharging control. The battery expansion system utilizes a controller in control of the charge/discharge route for each battery cell. In such way, each battery cell is capable of providing power for the system host or charging another cell until the battery cells are balanced with one another. With the control of a current control device and a charging switch in the charging/discharging route, the controller may effectively limit the charging current toward each cell under the maximum design charging current once a current impulse or in-rush current occurs.

Abstract translation: 电池膨胀系统和电池充放电控制方法将电池作为扩展形式配置为连接到系统主机，使得系统主机的充电器IC将电池膨胀系统视为用于DC充电和放电控制的单个电池单元 。 电池膨胀系统利用控制器控制每个电池单元的充电/放电路线。 以这种方式，每个电池单元能够为系统主机提供电力或对另一个电池充电，直到电池单元彼此平衡。 通过电流控制装置和充电/放电路径中的充电开关的控制，一旦出现电流脉冲或涌入电流，控制器可以在最大设计充电电流下有效地限制朝向每个电池的充电电流。