Worklog My first GCp

Aurelio

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i have no idea of max rating, but i was thinking about to use 2 lines for each voltage and 1 for ground.

th e cable says awm 20624 80c 60v vw-1 -f- 60v is the max voltage that it can handle without break?
No, that's definitely not enough. Whatever flows in each voltage line will also flow in the ground one. So if 2A flows in the 1.9V line and 1A flows in the 3.3V line, then 3A will flow in the ground line (the numbers are completely random).
 
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No, that's definitely not enough. Whatever flows in each voltage line will also flow in the ground one. So if 2A flows in the 1.9V line and 1A flows in the 3.3V line, then 3A will flow in the ground line (the numbers are completely random).
so, i can use 2 lines per voltage and also use a bigger separated gnd cable? it will support all charge?
 

Aurelio

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so, i can use 2 lines per voltage and also use a bigger separated gnd cable? it will support all charge?
I’m not sure if two lines of that cable are enough for the currents drawn by the gamecube
 

Stitches

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so, i can use 2 lines per voltage and also use a bigger separated gnd cable? it will support all charge?
In my experience, 22AWG wire isn't thick enough to carry the amount of current the GC uses without getting very hot. That FFC has no chance at all. Use proper wire, or you'll risk a short or fire.
 
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I wired the regulators with 20awg wire. Each regulator output send the correct voltage but When I connect the ptr08100 reg (1.9v) to the 2 points of the console the voltage is divided in half and there is no boot. what can be wrong?.

aw4f56e5w2.jpg
 

cheese

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Did the board work before? If not, check for shorts and sand the heck out of the sides. If so, double check that the ptr works with some other high current load. Also make sure the input isn't sagging when you connect the regs, that could mean you are pulling too much power from your power source
 
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Did the board work before? If not, check for shorts and sand the heck out of the sides. If so, double check that the ptr works with some other high current load. Also make sure the input isn't sagging when you connect the regs, that could mean you are pulling too much power from your power source
Thanks cheese.
I forgot check the board with the original regulator hehehe.
As soon as arrive to my house Will check it.
 
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Before all. Yeah yeah I know... the wii portable is easier, cheaper, more battery life, etc. but it's my first project and I'd love to finish it.

I'm sorry for revive this old trash post but i have some news...
Now that i have a little more time, knowledge, tools and money to spend I'll continue this project. I get stuck trying to make it work only with batteries without any luck until today. :XD:
After watching my steps back i found a lot of issues and problems so this is what i found:

  • I tried to make a multitap for multiplayer support. when i started the project i thought to make it thin and simple so this has no sense (now only will be a single-player device).
  • Now I HATE 80pin IDE cables to make general connections so slowly i'll make a couple of flex cables to make it more secure, smaller and modular (that one also is a "priority" for me when i started the portable.)
  • As I don't like PTH and PTR regs (I think they're bulky for my purpose) I'll make my own custom reg using the WII BMS created here and a some modifications extra of my part (custom PCB to fit into the console).
  • Currently I'm using 2 single-channel 5v audio amps. It's ok but i think i can do it better ( 1 stereo 5v audio amp to lower power consumption a little)
  • I don't like how cables are connected to power rails to power the GC on so i thinking to make a little pcb to handle that.
  • i'll try to make a custom flex board to connect the memory card on cpu vias directly (no more problems of broken wires and modular again)
  • other things that I don't remember right now :awesome:

I redo most of my solder connections and removed the integrated audio amp to have more room for other things.

Sorry for the crap audio and Spanish language.


Regards to everyone
Panchuflenks
 
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Screenshot_20200810-195320_Chrome.jpg

As Aurelio said almost 4 years ago.
Take your time because we definitely wanna see it completed! GC or not!
Though its more impressive with a GC
 
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I little update.

testing the portable running on batteries I got 1:45 hours of gameplay (running twilight princess) . The display turns off 5 minutes before the console.
It isn't a lot of time, but i think its good enough for a chinese li-po battery pack (model: PGF3766C5AT)

 
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Very nice! I love the GC, I made a GCP as well, so don't worry about the haters haha I only got about 40 mins of battery life out of my crappy battery pack, so 1hr 45min isn't bad at all. My thought process is most of the time when you are going to be somewhere more than 2 hours you'll have access to an outlet to charge anyway.
 
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