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About the bit "PRIMARY_BATTERY_SUPPORT" in Battery Mode

Other Parts Discussed in Thread: BQ20Z70

         In a system that contains Primary/Secondary Battery. The primary  and secondary batteries' gas gauge solution are all using  BQ20z70(In BQ20Z70,this bit "PRIMARY_BATTERY_SUPPORT" is cleared as default.),

       1) The power management system can select either battey as a primary battery or  a secondary .

       2) If the primary battery is to run out , can the power management systerm swith the secondary battery to the primary?

  • The "Primary_Battery_Support" bit is really not used in our devices and is defaulted to off.  We have no firmware to perform an action with this bit.  If you want to use it for your application your host can write the bit.