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Magnetic field susceptibility of the bq20z90 gas gauge and bq29330 AFE in a battery application

David Daggett
Intellectual 945 points

Our customer has a requirement that their battery pack survive in the presence of a 100mT magnetic field, and they are concerned about the survivability of the microcircuits under these conditions.  Do we have any test data available along these lines?  Thanks. 

  • 0
    Expert 1205 points

    As the customer in question, I really need to know what data/testing/design concepts TI has done regarding magnetic field susceptibility.  Is it just a matter of good board design practice to prevent H-field coupling, or is there something special in the chip design I need to know about?