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BQ25638: 充电电流有周期性的尖峰纹波

Part Number: BQ25638

配置Ibat,Vbat,并关掉ICO及看门狗这四个寄存器后,充电功能正常,但是Ibat上有104hZ、幅度300mA的尖峰脉冲。如下图所示 ,硬件参数与DEMO板一致。尖峰处SW波形可见明显的占空比变化。