Invention Grant
- Patent Title: Active battery balancing circuit and method of balancing an electric charge in a plurality of cells of a battery
- Patent Title (中): 有源电池平衡电路和平衡电池多个电池中的电荷的方法
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Application No.: US13849374Application Date: 2013-03-22
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Publication No.: US09496724B2Publication Date: 2016-11-15
- Inventor: Reiner Schwartz
- Applicant: STMicroelectronics Application GmbH
- Applicant Address: DE Grasbrunn
- Assignee: STMICROELECTRONICS APPLICATION GMBH
- Current Assignee: STMICROELECTRONICS APPLICATION GMBH
- Current Assignee Address: DE Grasbrunn
- Agency: Seed IP Law Group LLP
- Priority: ITVI2010A0257 20100923
- Main IPC: H02J7/00
- IPC: H02J7/00 ; B60L11/18

Abstract:
A method and an active battery balancing circuit for balancing an electric charge in a plurality of cells of a battery that are electrically connected in series is disclosed. A first subset of the cells of the battery is electrically connected to an inductance for providing a current flow from the first subset through the inductance. The first subset of the cells is disconnected from the inductance, and a current is allowed to flow from the inductance into a second subset of the cells of the battery. At least one of the first and the second subset of the cells of the battery comprises two or more cells.
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