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BQ27Z746: BQ27Z746磷酸铁锂,容量标称4000的电芯,最小容量3870, 0.2C充放电,FCC偏低的问题

Part Number: BQ27Z746

Hi Ti团队,

最小容量是3870,标称容量为4000,GG设置:设计容量设置为3870,关机电压设置为3V,满充电压3.65V,满充截止电流120mA,循环设置条件:设置0.2C(800mA)充放电,充电截止电流为40mA,放电截止电压为2.9V,循环后FCC在3870mAh以上,客户现觉得FCC低了,想请问下,FCC范围是怎么定义的,在什么范围内是属于正常的呢