Hello, We have a custom carrier board for the tx2 platform. We have one unit that is failing to keep time during a power cycle. In the logs I can see that the RTC is setting the time, so it looks like the rtc portion is functioning correctly kernel: tegra_rtc c2a0000.rtc: setting system clock to…

@rctaudio The PMIC max77620 does not monitor RTC battery voltage. You can use rechargeable battery and keep NTP (Network Time Protocol) enabled in software to automatically synchronize time over networks.

Jetson tx2 RTC battery health / status

Robotics & Edge Computing Jetson & Embedded Systems Jetson TX2

JerryChang February 22, 2021, 7:05am 3

hello rctaudio,

please check Jetson TX2 Series OEM Product Design Guide, you may use A50 / VDD_RTC for reference,
please also refer to Topic 49220 and Topic 41893 as see-also.
thanks

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Jetson tx2 RTC battery health / status

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