Hi team
Im using the BQ77915 for a 14S and 7S configured BMS. On these particular boards i am facing an issue of the board not fuctioning. The AVDD voltage on the 14S mid-stack IC and the 7S top-stack IC is around 7V. I am not able to identify why the board is not fuctioning and what fault is being triggered. It is not UV,OV,OT,UT or OW for sure.The per cell voltage is 3.5 volts and LOAD is not being applied. The MOSFET is not beng driven and has 0V on the gate. I will send the schematic and gerber files for the same on private chat. Please look into it and suggest possible troubleshootings.
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