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bq24105 CE pin

Other Parts Discussed in Thread: BQ24105

hi,

        I use bq24105 to charge 1s  lifepo4  ,  the pin of  CE  was connected to ground , and  it worked normally .

Now, I want to stop the charging  ,so  I  connect  the CE pin  to  the Vcc(high level ,as datasheet said),  the

charger was stop  with the power  LED and  the charging LED both off,  and the charge current  was zero.   Then , I

connect   the CE pin to ground ,the charger worked as normal  .     

      But the problem is that when I connect CE pin to the Vcc pin  ,there is a spark  ,   I  don't know that it is 

right  or not .             Thanks .                                

                                                                                                                                                              LYS