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BQ34Z100-G1: 32Ah, considerations to handle the bigger cell stack?

Part Number: BQ34Z100-G1

Tool/software:

I inherited this design.  Originally we had set up REGIN as shown in the data sheet.  When our board was moved to a bigger stack (32Ah from 19.2 Ah).  We started seeing spikes on REGIN and blowing parts next to this pin.  I am putting in a LDO for powering REGIN, but with the larger stack will that fix my problem or do I need to re-design the whole system?

Thanks.