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Original question:

BQ27750: How to start work with BQ27750?

CCS/BQ27750: BQ27z750

TysonLetran
Prodigy 10 points

Part Number: BQ27750

Tool/software: Code Composer Studio

Hello,

 I have the same issue that my battery Management studio could not automatically detect my device BQ27z750EVM-837 with Power on EV2400 with USB and I2c to Eval board.  I tried to select your recommendation BQ28z610 which claims have the same HW/SW configuration.  I have also the same eval circuit in my prototype board which cannot be able to communicate with Battery Management Studio.

Please advise .

Thanks.

Best,  

  • 0
    TI__Guru* 76230 points

    Hi Tyson

    Did you wake the device up from shutdown mode by applying a charger voltage to the packp pin? If so can you capture a scope shot of the TS pin so we see if it is pulsing? If the chip firmware is running, the TS pin will pulse once every second in normal mode and once every 20s in sleep mode.

    thanks

    Onyx