• State TI Thinks Resolved
  • Locked Locked
  • Replies 1 reply
  • Answers 1 answer
  • Subscribers 64 subscribers
  • Views 336 views
  • Users 0 members are here
Support feedback
Options
Options
Similar topics

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

Original question:

BQ78PL116: 0 cells found message prompt when connected to bqWizard

BQ78PL116: 0 cell found when connected to bqWizard

Yansheng Yue
Intellectual 370 points
Part Number: BQ78PL116
Other Parts Discussed in Thread: BQ40Z50

We just reproduced a BMS board with bq78PL116. And the board is an old design with 2P4S cells. The hardware detected and reported cell numbers correctly only for once. But now we can not detect any cells.  I tried the power sequence showed in the forum linked as follows. But it has no use. 

bq78PL114, bq78PL116, bq76PL102 Power Connection Sequence - Power management forum - Power management - TI E2E support forums

And voltages on VLDO1 and VLDO2 are all 2.5V.

So what can I do to find out the problem? Thanks.

  • 0
    TI__Genius 10370 points

    Yansheng,

    Unfortunately due to the age of this device it is no longer a supported device. We continue to sell it for customers already in production with it who do not need assistance. We do not recommend it for new designs, instead would suggest the bq40z50.

    Thanks,

    Eric Vos