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BQ78350: Data Memory setup to allow current draw greater than 9A

Errol Leon6
Expert 5850 points
Part Number: BQ78350
Other Parts Discussed in Thread: BQSTUDIO, BQ76930

Hello team,

Currently my customer is testing out the BQ78350 paired with BQ76930 platform on the dev board using bqStudio. They are running into a bit of a challenge with the setup. They can't seem to setup the Data Memory so that the system allows current draw of more than 9A. The system keeps shutting down the FETs when it hits around 9A. The customer thinks they have turned off all the discharge protection that they can find, but still no dice. What are the settings needed to get past the 9A limitation?

Thank you for your support!

Errol

Texas Instruments

Field Applications Engineer

  • 0
    TI__Guru* 81034 points
    Hi Errol,

    Can they read the SafetyStatus bits to see which protection is triggering? There are some faults that cannot be disabled because they are hardware-based protections on the BQ76930. For example, ASCD, AOLD, SOV, and SUV cannot be disabled completely. Only the thresholds can be changed.

    Best regards,
    Matt