RTC hold capacitor

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KanyeKanye
Posts: 54
Joined: Mon Dec 05, 2016 12:34 am

RTC hold capacitor

Postby KanyeKanye » Wed Mar 15, 2017 8:02 pm

I would use WROOM module, so VDD3P3_RTC is not available.
How can I hold RTC when main power is down and do not drain its energy too fast - how to programmatically switch off everything but RTC, what current is needed than?
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WiFive
Posts: 3529
Joined: Tue Dec 01, 2015 7:35 am

Re: RTC hold capacitor

Postby WiFive » Wed Mar 15, 2017 8:33 pm

http://esp-idf.readthedocs.io/en/latest ... sleep.html

5-10uA
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