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BQ40Z50/BQ40Z80的满充容量FCC更新条件

Other Parts Discussed in Thread: BQ40Z50, BQ40Z80

BQ40Z50/BQ40Z80的满充容量FCC更新条件是什么?我们在批量生产时发现FCC没有按期望更新;

我们的电池为松下NCR18650GA电芯,成组方式2S2P,额定容量=6600mAH,CHIM_ID=2107无误,电池已经按0.2C放电学习成功,学习状态为0X0E; [SMOOTH] = 1;

但通过3A充电至8.4V,0.1截止;静置30min,3A电流放电至电池欠压保护;补电至7.2A,截止电流0.1A;

按上述步骤老化后,老化柜统计的放电容量>6600mAH;

但完成后读取FCC只有6200mAH左右;