Getting wrong value of cell 14 and stack voltage when using FRDM33771B and S32k144

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Getting wrong value of cell 14 and stack voltage when using FRDM33771B and S32k144

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Shobha
Contributor I

Hello,

I have interfaced mc33771 with S32K144 and used 7 cells. I have done the cell tapping as per the given connection in datasheet given for cells less than 14. I'm getting wrong value of cell 14 and total stack voltage. I am not able to get why is this happening. Also I'm getting FAULT1 and FAULT3 as yes. How can I know what's this fault is for? I've attached the snip below
It would be great if you can help me with this.

Thanks in advance!

cells_snip2.PNG

 

afterchange1.PNG

 

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Gad_usr1
Contributor II

Hi, were you able to solve this issue?

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guoweisun
NXP TechSupport
NXP TechSupport

HI 

Please install 14 cells for this HW/SW,if less than 14 cells the hardware also need update.

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Shobha
Contributor I

Hey
Can you pl elaborate on how to install 14 cells for this HW/SW, if less than 14 cells.

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guoweisun
NXP TechSupport
NXP TechSupport

You can down AN12536 for getting more information.

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Shobha
Contributor I

Yes I've already downloaded AN12536 and done the connection of 7 cells as per the Type A wiring shown. Below is the attached connection that I've followed.

cell_connection.PNG

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