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BQ24616上电时PG灯闪烁

Other Parts Discussed in Thread: BQ24616

当前使用BQ24616对6S电池进行充电,输入电压28V,输入限流1.5A,预充0.3A,充电电流1.5A,总共做了50pcs板子,其中一块出现一上电PG对应的LED灯不断的闪烁,测量波形如下:

PG管脚输出波形:

ACDRV输出波形:

ACP输出波形:

这个大概是什么原因?