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bq27520 如何 制作 和 烧录DFI?

Other Parts Discussed in Thread: BQSTUDIO

你好。  我们用的bq27520 做电量计 ,之前并没有生成golden DFI ,出货后发现电量不准,完全不能用,芯片本身默认的DFI 和我们的电池差别很大。这种情况下如何升级DFI?