Cheap USBC charger: will it work?

Proffieboards
1

I’ve been given some parts for assembly (including a Proffie V2) for a friend and I’m hesitating on integrating the USB-C charging unit.

I should mention the project doesnt have a lot of leds (and the strip is “Skinny”), and is using a 3A battery pack. Board, LEDs, sound…all fine in testing.

This is the USBC charinging board:

There are two negative pads and two positive. I got a reading of 4.2 V output when plugged into usbc and charged the battery succesfully with 28awg wire and a jst connector hooked up to B+ and B-.

When the battery is connected and not USBC, the remaining pads output 4.2V, but I’m not sure what ampergage the circuit can handle in this mode (charging is 1A).

Can I run power from the battery through this circuit board via those pads?

As an alterntive, I could wire the charging pads in parallel with the battery, skipping the additinal pads and only wiring to B+ and B-.

Thoughts?

2

If its anything like the ones saberbay and thesaberarmory sell, they have a wire diagram.

3

That’s what I would use if it was my stuff.

I’m just tring to use what I’ve been given and don’t want to break anything. Or work too hard only get get a failure point. It’s a “you can really solder, can you please help I wrecked my first board” situation :slight_smile:

4

This is what I would do.

1 Like
5

It works. Thanks!

Edit: Cleaned and repaired the other board too, as far as I can tell.