Use BQ24630 ,In accordance with the specification:
charge in progress:stat1 ON stat2 OFF
charge cmoplete:stat1 OFF stat2 ON
charge suspend,timer fault,over-vo1tage ,sleep -mode ,battery absent,stat1 OFF stat2 OFF
howoever,Start power charge stat1 ON stat2 OFF,After charging for a period of time,stat1 ON stat2 ON,this state specification does not mention.
Please analyze what causes.tks