Pogo pins power clarification - reading schematics
#4
(01-04-2021, 09:21 AM)bokomaru Wrote:
(01-04-2021, 12:15 AM)hiimtye Wrote: the bottom row can be connected to power your device, either from the 5V AC->DC source, or the DC source supplied by the battery, or both.

So are you saying that PIN5/USB-5V and PIN1/DCIN are both only outputs from the PinePhone?

Doesn't DCIN go to the USB-C connector? Can you power the phone (charge the battery) via the pogo pins?

hiimtye explained it already...
USB-5V and DCIN should be used to power your extension board... so, yes they should be seen as outputs.

As DCIN is directly connected to the USB Type-C port it's on the same rail.
From my point of view it should not be used to power the phone or charge the battery, because it may conflict with an attached USB Type-C charger.
Powering DCIN from the pogo pins, conflicts with the logic inside the phone and there's no protective element in between.

Without a charger connected to USB Type-C DCIN is normally not present... as long as you use a USB-OTG cable to switch the role.

USB-5V is delivered from a DCDC-regulator and used in general to power attached USB devices with the Pinephone is in the role of the host.
In this case it is switched to USB Type-C connector.

When using USB-5V as a power rail it should definitely be used as a power source coming from the Pinephone.
It could be controlled by GPIO PD8-VCC5V_EN

Hope this helps to understand and does not confuse more Wink

Cheers,
scholbert
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Messages In This Thread
RE: Pogo pins power clarification - reading schematics - by scholbert - 01-06-2021, 04:33 AM

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