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FS: Jibs Linear Drivers

LaZeRz

LaZeRz

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Re: FS: Jibs Linear Drivers - 500mA, 1.3-1.6A, 1.8A

Jib, you are the new Dr.Lava :D

Im still building my list of components for the ADJ.PSU...

I'l get back to you hopefully within the next few days :)

+1 rep for your help ;)
 
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jib77

jib77

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Re: FS: Jibs Linear Drivers - 500mA, 1.3-1.6A, 1.8A

LaZeRz said:
Jib, you are the new Dr.Lava :D
Click to expand...

I hope not! That has negative implications these days. :/

LaZeRz said:
Im still building my list of components for the ADJ.PSU...

I'l get back to you hopefully within the next few days :)

+1 rep for your help ;)
Click to expand...

Can you get it in by Tuesday? ... I have a bunch of stuff to order too, this way it can ride with my stuff and you wont have to pay anything for Mouser shipping it to me.
 
LaZeRz

LaZeRz

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Re: FS: Jibs Linear Drivers - 500mA, 1.3-1.6A, 1.8A

Heh, I meant Dr.Lava before he went astray with his customer service ;)
If anything, your much better then him :)

I'l have it done by Sunday ;)
 
jayrob

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Re: FS: Jibs Linear Drivers - 500mA, 1.3-1.6A, 1.8A

jib77 said:
The only purpose for these is to break the 1.5A barrier on a single cell, so initially it will have set resistors for 1.8A(+/- resistor variance). I also hope to get this up to 2.8A to power XML LED builds.

The first batch will be available in about 3 weeks.
Click to expand...

Hey do you think there may be room to put a pot on there? :)
 
jib77

jib77

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Re: FS: Jibs Linear Drivers - 500mA, 1.3-1.6A, 1.8A

jayrob said:
Hey do you think there may be room to put a pot on there? :)
Click to expand...

Not in the current 17mm design. I would have to toss the round shape w/ contact pad and move to rectangle design so I can use both sides ... or make it bigger.
 
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Mohrenberg

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Re: FS: Jibs Linear Drivers - 500mA, 1.3-1.6A, 1.8A

jib77 said:
I am indeed out for the moment ... I have parts but I wont have time to build them until the weekend. When they are back in stock ill post here. And don't worry about the extra for international shipping, Ive stopped collecting it since I put in the PP buttons.
Click to expand...

have you given thought of selling "kits" to save yourself the trouble of assembling them all?
 
jib77

jib77

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Re: FS: Jibs Linear Drivers - 500mA, 1.3-1.6A, 1.8A

Mohrenberg said:
have you given thought of selling "kits" to save yourself the trouble of assembling them all?
Click to expand...

I have, but all the parts on these are SMD and not everyone has the means to assemble them properly. Now that I have a reflow oven and DIY stencil, the only real pain in the arse is me playing human pick and place machine.
 
Alexizupinhea

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Re: FS: Jibs Linear Drivers - 500mA, 1.3-1.6A, 1.8A

I was just wondering, I plan to try making a few LM1117 drivers for myself (not for resale, I don't want to take away from your business). But I was just wondering, was there a reason you chose to use the DPAK package instead of the SOT-223 package? I can't seem to find DPAK ones for cheap, so I was just wondering why you went with the DPAK type (perhaps they can handle the heat better? I don't know).
 
jib77

jib77

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Re: FS: Jibs Linear Drivers - 500mA, 1.3-1.6A, 1.8A

Alexizupinhea said:
I was just wondering, I plan to try making a few LM1117 drivers for myself (not for resale, I don't want to take away from your business). But I was just wondering, was there a reason you chose to use the DPAK package instead of the SOT-223 package? I can't seem to find DPAK ones for cheap, so I was just wondering why you went with the DPAK type (perhaps they can handle the heat better? I don't know).
Click to expand...

You got it ... the SOT-223 can only realistically handle up to 800mA before it starts to hit thermal shutdown.
 
Alexizupinhea

Alexizupinhea

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Re: FS: Jibs Linear Drivers - 500mA, 1.3-1.6A, 1.8A

Thanks for the help. In that case, perhaps you should use the SOT-223 on your 444mA and 501mA options in order to save on cost (although I'm sure you get your parts cheap anyway). But then again, it's hard to beat prices around .144/pc. 100 x AMS1117-ADJ LM1117 1117 ADJ 1A Voltage Regulator | eBay

Edit: Last question, does the capacitance used matter (is any capacitor good enough, or should it be specifically 10uF like i've seen a couple of times.)?

By the way, +rep for the help :)
 
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jib77

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Re: FS: Jibs Linear Drivers - 500mA, 1.3-1.6A, 1.8A

10uF ceramic ... anything else and your driver might not be stable.
 
jib77

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Re: FS: Jibs Linear Drivers - 500mA, 1.3-1.6A, 1.8A

1.3-1.6A drivers are back in stock.
 
Helios

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Re: FS: Jibs Linear Drivers - 500mA, 1.3-1.6A, 1.8A

Can I run the 500mA driver with 2 Li-ions? I see you listed 6V min for a 4V load and partially discharged Li-ions would only put me at like 7V with a 6V load.
 
jib77

jib77

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Re: FS: Jibs Linear Drivers - 500mA, 1.3-1.6A, 1.8A

Helios said:
Can I run the 500mA driver with 2 Li-ions? I see you listed 6V min for a 4V load and partially discharged Li-ions would only put me at like 7V with a 6V load.
Click to expand...

Yes ... combined, your li-ion cells should stay above 7.5V for around 80% of its discharge cycle which is plenty of overhead for for a 6V load. I would expect a total drop-out of regulation @ 7V.
 
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maximdooijes

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Re: FS: Jibs Linear Drivers - 500mA, 1.3-1.6A, 1.8A

can i connect 3 10440 batteries to the 1.8A driver? (i'm sorry if this question has been answered already)
 
jib77

jib77

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Re: FS: Jibs Linear Drivers - 500mA, 1.3-1.6A, 1.8A

maximdooijes said:
can i connect 3 10440 batteries to the 1.8A driver? (i'm sorry if this question has been answered already)
Click to expand...

No, because the Absolute Max VIN is 10V.
No, because 10440's could not possibly provide enough current to make 1.8A.

You really need 2x 18650 LowR/IMR type cells or bigger. 2x IMR 16340's will work, but the run time will suck.
 
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