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BQ27421EVM-G1A: Problem With Learning Cycle.

Swastik Ghosh
Prodigy 10 points
Part Number: BQ27421EVM-G1A

Hi, 

I wanted to start a Learning Cycle on the BQ-27421G1A Battery Gas Gauge. Initially I discharged my battery at a C/5 Rate to 3300mV, and then let it relax for 6 Hours. 

At the end of 6 Hours, It gave us an error saying that the RUP_DIS / RDIS Not Clear, Learning cycle cancelled".

Could someone please help me reslove the issue? I am attaching a photo for your reference.

Swastik

  • 0
    TI__Guru* 76230 points

    Hi 

    Do you actually have a load connected to the cells for the discharge to occur. I would recommend not using the learning cycle plug in, but rather, simply complete the discharge and charge independent of the plug in.

    Before starting the learning cycle, set the update status to 3.  Update status will go from 3 to 2 to 1 during learning. See the trm for quick start guide for additional details.

    thanks

    Onyx