• State Resolved
  • Locked Locked
  • Replies 1 reply
  • Subscribers 62 subscribers
  • Views 504 views
  • Users 0 members are here
Support feedback
Options
Options
Related

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.

BQ76PL455A: bq76PL455A / Power up sequence at powering VIO externally

S.Satoshi
Guru 21685 points
Part Number: BQ76PL455A


Hi,

Now the customer consider to power VIO externally, then please let me know the power up sequence. Especially I'd like to know the timing of powering VIO.

Best Regards,

Satoshi / Japan Disty

  • 0
    TI__Genius 11480 points

    Hello Satoshi,

    For  greater detail, I suggest reading sections 7.4.4 and  7.4.5 of the device datasheet.

    VIO powers the digital communications, so it should  be the first thing powered up on the board (along with Vdig and Vp). 

    Since VIO is being powered from  a separate supply, I would also ask to make sure that a decoupling capacitor is placed close to the device pin.