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BQ27426: 放电期间SOC发生跳变

Part Number: BQ27426


你好,

电池信息:

Cell/Pack Info
Cell/Pack Maker* BYD
Cell/Pack Model* LP113129
Design Capacity* 1230
Charge Voltage* Cell:4.40V
Cut Off Voltage* 3.3V
Cell chemistry Li-ion Battery

已加载黄金学习后TI提供的Fs文件。

问题现象:

在放电期间,会出现SOC跳变的问题,请帮忙确认原因是什么?

25℃ 0.2C放电(每放电12mAh,静置10分钟),SOC 18%--0%
25°C 1A放电(每放电12mAh,静置10分钟),SOC 10%--1%