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bq27520-g4 CHG flag

 

Hello

 

My Customter is evaluating  BQ27520-G4 using EVM. ( gg file attached ).

Attached image is their read-out from BQ27520-G4 when charging versus time.

The issue is   even though charging finished, i.e.  SOC=100%,  CHG flag goes from low to high  after 4.5hrs in attached. suddenly..

 

We know   CHG flag is set depend on SOC and Temperature , according to   TRM ( sluua35)  page 12 ,

but , customer says the BAT temperature is within the range , and  SOC is above the TCA clear%.

 

Would you please kindly adivise about the  condtion which CHG flag changes except SOC% and Temperature if there were ?

Cusomter can not understand the cause of thie issue now.

 

Image may be NSFW.
Clik here to view.

 

 

 

(Please visit the site to view this file)

 

 

 

 

 

 


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