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BQ24780S: Schematic Reivew

Part Number: BQ24780S

Hi Sir,

Can u help to reivew the schematic of BQ24780S? Our customer reported that ACFET often burns out, please help to check whether there is a circuit design problem or other problems. 

The schematic was shown as follows:

The charging path is as below:

The Vsys system power source and ACFET circuit:

The waveform of VSYS_VADP_CMSRC_ACDRV is as below:

Thanks,

Best Regards