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EM1402EVM: EM1402EVM : Active Cell Balancing Demo Hangs

Omkar Teli73
Intellectual 260 points
Part Number: EM1402EVM

We are trying to find problem why it is hanging.  above is the snap of debugging where it is hangs.

following is the command 0x00 meaning that we are sending here.

so we are sending 0x00 to EMB1428 to open all switches.

But in return we are getting response 0xC0 so as per format 0xC is fault code followed by command that we had sent. So we had sent 0 in command so we are getting 0xC0.

following is the meaning of fault code that we have received here

So DONE went when EN is high so that is the problem.

I have read one para also in datasheet that is below

Why is it so how to resolve this? 

  • 0
    TI__Genius 10785 points
    HI OmKar,

    May I ask one quick question.
    Are you in the production or developing for a new project?
    We are in the process of not being recommended for new designs and soon to be obsolete.

    IF you developing for new project then we can assist you to other solutions.
  • 0 in reply to Roger Hwang
    Intellectual 260 points
    Hello Roger,
    Yes we are in development phase. We have an extraordinary application. Which can affect Automobile industry.
    Currently we want to see all working of Active balancing With EM1402. Kindly Help us to resolve it.
    AS a representative of TI will please clear me about Using EM1402 Design for EV LI-Ion battery balancing. Our problem is solvable or we have to go for some other better solution? We are open to new solutions but it should best. We could used Passive balancing but we are looking for best. So the active balancing. So do you mean Passive design also going to obsolete?
    No doubt we need best and next design would be something unique as recommend by TI but currently for this one board we want to run the active balancing so we will get confidence about TI solutions.
    Our application is so unique so if possible i can share our requirement with you and team so we can get clear details and support so we can save development time and go for actual production which is beneficial for both.

    Thanks and Regards,
    Omkar Teli.
  • 0 in reply to Omkar Teli73
    TI__Genius 10785 points
    Hello OmKar,

    TI is very active with Passive balance solution .
    I am not sure if you want to discuss your solution in the e2e forums.
    If you request me as friend then we can discuss it privately.

    Then I can provide you my personal opinion and point to right solution.
    I am okay to discuss in this forums if you are okay.

    So let me know how you want to handle this.
    Thanks,

    Roger
  • 0 in reply to Roger Hwang
    Intellectual 260 points
    Hello Roger,
    Thanks for the prompt response. You can ping me on my mail ID so i can share requirement with you.
    E-Mail : omkar.teli@supercede.co


    Thanks and Regards,
    Omkar Teli.