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jacinto 6 PMIC-TPS659039-Q1 does supports coin cell battery for RTC?

Enzoantonio
Prodigy 150 points
Other Parts Discussed in Thread: TPS659039-Q1

HI

we are working on JACINTO 6 PMIC which is TPS659039-Q1 and we need to provide back up battery (coin cell)

for TPS659039-Q1 RTC part. but i can't find in what specific pin should i connect the coin cell battery.looking at its preliminary datasheet basing on its block diagram the RTC part is like powered from the VSYS and no dedicated pin for backup coin cell battery during system power shutdown.

advance thanks

regards,

Antonio

  • 0
    TI__Guru**** 161600 points

    Hi Antonio,

    I cannot go into much details, because J6 & PMIC chips are under NDA and cannot be discussed in a public forum.

    The available PMICs for VAYU do not support battery connection. You can use external LDO in combination with the PMIC.

    Have a look at the following link, it might be of some help: http://www.ti.com/lit/sl/slyy048/slyy048.pdf

    For more details please contact your local FAE, there is an ongoing internal discussion on similar topic where more details are presented.

    Best Regards,
    Yordan