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Bq34z110

Avinash kalluri
Prodigy 20 points
Other Parts Discussed in Thread: BQ34Z110

my project is to design bms so for that I need  to find soc accurately.so I have chosen bq34z110 as my cell chemistry is lead acid.my doubt is inorder to use this ic do we need EVM or can we  use without it.please help me to get through this

  • 0
    TI__Guru 73830 points

    Avinash,

    The gauge will run an FCC simulation after battery has been attached and it will estimate the capacities. The accuracy of the simulation will depend on how well the battery discharge profile fits the OCV table. One issue with PbA cells is that they rest to a high voltage after the discharge has completed. This could cause the gauge to overestimate the Remaining Capacity, but the accuracy would be restored after the pack has been charged.

    Tom

  • 0 in reply to ThomasCosby
    Prodigy 20 points
    Ty sir, can we use arduino with bq34z110 for getting the information from IC regarding SOC and other parameters through I2C communication protocol as arduino supports for such communication.
  • 0 in reply to Avinash kalluri
    TI__Guru 73830 points

    Avinash,

    Some community members have used the Arduino tool to communicate with the device. There are some posts on this subject on the e2e forum.

    Tom