AM3352: RTC standby power

Jani Isoo

Other Parts Discussed in Thread: AM3352

Our processor AM3352 (+TPS65910PMIC) has an RTC, so one option would be a coil cell.

-Do you have any calculations of how long it would last? Super cap?

0 Biser Gatchev-XID over 7 years ago

The AM335x internal RTC requires stabilized 1.8V +/- 5% power supply. It cannot be supplied directly from a coin cell. See this wiki for RTC power consumption: processors.wiki.ti.com/.../Processor_SDK_Linux_Kernel_Performance_Guide Look for VDDS_RTC power.

0 Ahmad_Rashed over 7 years ago

The PMIC also has an RTC and that would allow full power-off of the processor as an option too.

Processors forum