Oshpark Projects

Here is all I worked on

https://www.dropbox.com/sh/cf07rngyitlwzu3/AADVXbp1l3n-J20txXg1weCAa

Guys... in researching stuff for an unrelated driver I killed, I found it used a bunch of little SOT-23 FETs, the AO3400 (top marking is 'AO7T'). Digikey page: http://www.digikey.com/product-detail/en/AO3400A/785-1000-1-ND/1855942

Check out the datasheet. Compare it to the one we've been using on the 15DD: http://www.digikey.com/product-detail/en/IRLML2502TRPBF/IRLML2502PBFCT-ND/812502

Higher voltage & current ratings, lower on-resistance, and an easier-to-drive gate?

Same package size and solder footprint…nice!

There are a lot of small FETs which are better but the 2502 was so cheap available from china so that it got a kind of rush.
If you order from a bigger distributor anyway than there is a newer version of the 2502 and IRLML6344TRPbF.

They “all” seem to have the same footprint, so a major investigation should find even some better ones.

Who is going to be the guinea pig tester for this? Sounds all good... I'm using a BLF15DD now, and planning on more in those cheap little AA zoomies and it works well, not crazy amps because I don't want crazy amps in that little thing... I'm using a Sanyo 840 and get decent amps but still in the 2.n range. Just ordered the Efest IMR 700's from RMM, so expecting to get more amps. The 15 mm boards are great for little lights, but 5-7 amps is a little insane Tongue Out.

I wouldn't mind trying it I suppose. I can add qty 2 to the next DigiKey order at work here, hhmmm.....

I thought I read that the OP has been updated for the latest DD versions. I get 404 errors when I try to use the links. Can someone link me to them or to the account holder's share page that is sharing them?

EDIT: Ok, I misread. The OP has not been updated. So these are the latest and greatest right now. Right?

Oh oh [raises hand], I volunteer! Just placed a digikey order sunday so I’ll get some on my next order!

Sorry guys, I haven’t kept up with all the latest revisions. I’ll be updating the op this evening.

In the meantime: OSH Park ~ Shared Projects by Mattaus

No prob. I just edited my post as I misread a post above. I haven't been keeping up and now I'm a bet overwhelmed.

So these are the latest and greatest right now. Right? Just making sure because the say version 1. The post I read sounds like the version numbering may have started over?

EDIT: Cross posted with wight. Ok, so they are the latest. Thanks guys.

Yes the decision was made to use a standard numbering system from now on, no more rev vs. version vs. whatever else.

Makes me want to buy an SRK.

I've removed the Medusa PCB for the time being. There is a repairable error in the ground plain. It can be fixed but I'll correct it properly this weekend and upload a fixed version later on.

The Tiny10DD and Tiny12DD links are down. Are there revisions to replace them?

Seem to be working for me:

https://oshpark.com/shared_projects/LO3GPkoN

https://oshpark.com/shared_projects/m2Rw8HzQ

Not the linear boards but the DD versions are down.

Oh...they're not mine so I can't help sorry. I think they were WarHawk's?

He’s sent me the links. I’ll update the op ASAP.

sorry…they are under my profile…Rufus is going to fix the links…I did a revision tweak like on the BLF17/20/22 and moved the C1 capacitor (for the mode change stability) and removed the load resistor

Sorry about that…

RBD - I have released my 22mm 16*7135 driver for F13 flashlights.

https://oshpark.com/shared_projects/SMkMEXha