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BQ20Z65-R1: Minimim time between Commands FETS off and Shut down

Part Number: BQ20Z65-R1
Other Parts Discussed in Thread: BQ20Z65, , BQ20Z60-R1

Hello to TI support team ,

     I have question according bq20z65 what is the minimum time for command transmit for ship mode :  Battery unsealed and i need turn fets off and after it send 0X10 (Shut down) sometimes it is not enter to shutdown , Is there some  delay margins should present between two commands ?


Alex Burtakov

  • Hello Alex,

    The commands should be sent consecutively with no other commands between and no longer than a couple second gap between sending the commands.

    The other conditions must also be met for the gauge to enter ship mode, they are outlined in section A.1.2.1 Shutdown (0x0010)

    For bq20z60-R1/bq20z65-R1 to enter ship mode, PackVoltage must be less than Charger Present threshold AND there are no safety conditions. You can also set the sealed ship delay parameter for when the gauges enters ship mode after the MAC commands.


    Wyatt Keller