公开(公告)号：US20250079539A1

公开(公告)日：2025-03-06

申请号：US18950282

申请日：2024-11-18

Applicant: BYD COMPANY LIMITED

Inventor： Wenjing BAO ,  Jie LI ,  Qifeng LI ,  Yun YANG

IPC: H01M10/42 ,  H01M50/583

Abstract: A vehicle, having a battery system, and the battery system having a battery cell management chip, wherein the chip comprises a collection circuit, a power source, a processing circuit, and a dynamic protection circuit; the collection circuit is used for collecting a parameter value of a working parameter of a single battery cell and transmitting the parameter value to the processing circuit; the power source supplies power to the processing circuit; a storage circuit is used for storing a dynamic protection threshold value for the working parameter; the processing circuit is used for adjusting the working state of the single battery cell in the case of an anomaly; and the dynamic protection circuit is used for adjusting the working state of the single battery cell according to the dynamic protection threshold value.