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Where power is a primary concern for the design under discussion. Use the "low-power" tag when that applies.

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Are you trying to run the RPi on a battery pack? There are two ways of handling this: Load switch Controlling the power supply feeding the RPi In the first schematic, it looks like a PFET is … being used as a high side switch to control power flow to whatever is downstream. You can connect a OR'ing Schottky diode to the Alarm of the RTC + a GPIO pin from the RPI. Reset the RTC and be good for …
answered Sep 20 '18 by jaredwolff
0
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A power supply rating does not indicate how much it will "charge" a battery. It's the max current that can be drawn from the device until it shuts down/blows a fuse/etc. With that being said, it has …
answered Jul 22 '18 by jaredwolff