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BQ2972: Can't get the protection circuit switch on

Part Number: BQ2972

Hello, 

I have developed an electronic board which uses a 18650 battery as power supply, in order to have a protection the TI BQ2972DSER circuit was used. The schematic was pretty straight forward(found in the typical applications section of the datasheet), but, however it seems we can't get in to turn on the transistors.

I have attached the schematic:

I would be kind if you would give a couple of suggestions to get this working.

Thank you,

George