Regarding Jetson Nano PMIC_BBAT pin queries

Robotics & Edge Computing Jetson & Embedded Systems Jetson Nano
1

Hello,

We want to use RTC with backup & hence use PMIC_BBAT pin. I will appreciate following queries pertaining to that,

1.Can this pin be used to power non-rechargeable coin cells like CR2032? Or only chargeable are allowed?

  1. What is back up current consumption on this pin to maintain RTC when power is absent?

Thanks,

3

  1. A super capacitor, a chargeable battery or coin cell like CR1225 all can work.

  2. The current is about 2.2uA.