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TI Home » TI E2E Community » Support Forums » Power Management » Battery Management » Battery Management - Gas Gauge Forum » bq20z45-R1 disable OC chg/dsg
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bq20z45-R1 disable OC chg/dsg

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Kohei Sasaki
Posted by Kohei Sasaki
on Mar 29 2012 10:49 AM
Expert1275 points

Is it possible to disable the OC (1st Tier) Chg and Dsg?

The customer requires that threshold is 20A and time is 5s.

Are there any good method?

BQ20Z45
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  • Chase7071949597
    Posted by Chase7071949597
    on Mar 29 2012 14:08 PM
    Expert6520 points
    bq20z45_1_05.encr

    Close any instance of bqEVSW open.Copy the attached file to the following location (or whichever directory you installed TI bqEVSW):

    C:\Program Files\Texas Instruments\bq Evaluation Software

    This will give you access to the OC (1st Tier) Chg Time and OC (1st Tier) Dsg Time DF locations. To disable the features, set these timers to 0.

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  • Kohei Sasaki
    Posted by Kohei Sasaki
    on Mar 29 2012 19:31 PM
    Expert1275 points

    Thank you for your support!

    I could access OC(1st Tier) Chg and Dsg Time.

    Please teach me Min and Max value of these items.

    BQ20Z45
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  • Chase7071949597
    Posted by Chase7071949597
    on Mar 30 2012 11:26 AM
    Expert6520 points

    They are each 1-byte timers, so the min is 0s (disabled) and the max is 255s. The EVSW may limit it to a lower a value, like 240s.

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