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BQ24725A + CSD17308 充电电流只有2A,达不到设置的4A,是怎么回事?

Other Parts Discussed in Thread: BQ24725A

BQ24725A+CSD17308,设置 InputCurrent=4000;ChargerVoltage=16400;当 ChargerCurrent 设置为 2000 以下时正常, 超过 2000 以后电流不再增加了。试着将 ChargerOption 里的 IFAULT_HI Comparator Threshold Adjust 功能禁止、IFAULT_LOW Comparator Threshold Adjust 值加大 ,没有效果。是什么原因?与 CSD17308、L 的PCB布线有关吗?