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Old 02-16-2012, 08:10 PM #81
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Default Re: The New Buck/Boost High Output Driver

Quote:
Originally Posted by tsteele93 View Post
I've kind of gathered from your comments that you are not a fan of the flexdrive - why? I'm just curious. If it is none of my business, you can tell me that and I won't get my feelings hurt.

Or you can PM if it is private and you want to share, or just say it here if you like.

Here's why:
Should Dr. Lava put his website on hold?

I also just generally don't like his drivers - except for the Groove linear.


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Old 02-16-2012, 09:11 PM #82
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Default Re: The New Buck/Boost High Output Driver

Erm... Hello? Did you see MY post? I could assemble some for you or order the IC's from Farnell Czech Republic - here are the prices - the shipping to me is only 7 USD for UPS (!)

Quanity Price
1 - 9 93.81 CZK
10 - 99 73.40 CZK
100 - 249 59.09 CZK
250 - 499 51.47 CZK
500+ 46.30 CZK
(1 CZK is about 5.2 US cents - a.k.a 1 USD is around 19 CZK)
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Old 02-16-2012, 09:37 PM #83
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Default Re: The New Buck/Boost High Output Driver

Quote:
Originally Posted by Johnyz View Post
Erm... Hello? Did you see MY post? I could assemble some for you or order the IC's from Farnell Czech Republic - here are the prices - the shipping to me is only 7 USD for UPS (!)

Quanity Price
1 - 9 93.81 CZK
10 - 99 73.40 CZK
100 - 249 59.09 CZK
250 - 499 51.47 CZK
500+ 46.30 CZK
(1 CZK is about 5.2 US cents - a.k.a 1 USD is around 19 CZK)
^^ There's your solution! Even at a QTY of 10 drivers, you're looking at $3.82 USD for the IC. That's starting to bring the price of your driver down dramatically.
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Old 02-16-2012, 09:54 PM #84
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Default Re: The New Buck/Boost High Output Driver

Actually, 10 IC's are almost exactly 1000 CZK (52 USD) when you add the VAT and shipping. Still, it's 5.2 USD per IC.
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632nm 8mW Tesla 30 year old HeNe made in Czechoslovakia
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Old 02-17-2012, 12:03 AM #85
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Default Re: The New Buck/Boost High Output Driver

Let me know if you need to order parts from the US, I'd be more than happy to help you out. Mouser will rake you over the coals for shipping but it usually only costs me around $8 to get something from them. I'm going to be putting an order in with them probably within about a week or so anyway. First class mail from the US to Bulgaria would only be a couple bucks for a few ICs .

Last edited by Ghostchrome; 02-17-2012 at 12:04 AM.
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Old 02-17-2012, 05:22 AM #86
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Default Re: The New Buck/Boost High Output Driver

wow guys thank you all for you generous help offers. I will pm you for details. Thanks again!
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Old 02-17-2012, 08:18 AM #87
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Default Re: The New Buck/Boost High Output Driver

Quote:
Originally Posted by Johnyz View Post
Actually, 10 IC's are almost exactly 1000 CZK (52 USD) when you add the VAT and shipping. Still, it's 5.2 USD per IC.
hah Johny got mixed up with LM3410 so ghostbuster is my last hope hope he didn't get it mixed up eiher
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Old 02-18-2012, 07:30 AM #88
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Default Re: The New Buck/Boost High Output Driver

PCBs came from the board house... WOOOOOOO

I just need some components now, ghostchrome offered to help so going with him on that just a little more time and they are ready!

Attached Thumbnails
The New Buck/Boost High Output Driver-pcbs.jpg  

Last edited by foulmist; 02-18-2012 at 09:06 AM.
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Old 02-18-2012, 08:30 AM #89
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Default Re: The New Buck/Boost High Output Driver

WOW! That looks AWESOME! Where did you get these PCB's from?
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Fenzir: So why is it that we want these kind of diodes? I don't understand.
anselm: Because they emit coherent light, that's why....
405nm 20mW DealExtreme pointer
445nm 1W Hotlights with CUSTOM BOOST driver
532nm 50mW DealExtreme SDLaser 301 with key, up to spec when IR-filtered!
532nm 400mW DinoDirect Firedragon III "Certified Power Guaranteed" 500mW peak!

632nm 8mW Tesla 30 year old HeNe made in Czechoslovakia
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Old 02-18-2012, 09:07 AM #90
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Default Re: The New Buck/Boost High Output Driver

It's a local company but I think they do international as well.

www.micron20.com

Last edited by foulmist; 02-18-2012 at 09:07 AM.
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Old 02-18-2012, 02:18 PM #91
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Default Re: The New Buck/Boost High Output Driver

Yeah those do look awesome. Nice!
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Old 02-18-2012, 02:51 PM #92
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Default Re: The New Buck/Boost High Output Driver

ok now that I will order parts what currents would you like my driver to have preset. for the moment I have the following options:

these are closest to the real value which will vary with small percentage. when assembled and tested will tell you the real value.


~106ma
~128ma
~227ma
~250ma
~454ma
~500ma
~609ma
~720ma
~750ma
~859ma
~892ma
~1000ma
~1110ma
~1140ma
~1200ma
~1400ma
~1500ma
~1600ma
~1750ma
~1950ma
~2100ma[max boost for 445nm]
~2400ma[buck only]


if the value you are interested in is not in the list let me know I will order more resistors.

Last edited by foulmist; 03-24-2012 at 08:35 AM. Reason: updated output currents
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Old 03-01-2012, 01:36 PM #93
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Default Re: The New Buck/Boost High Output Driver

EDIT: ALL reserved .... none left for now.. expect more soon.

I can ship in the middle or end of next week depends on the day parts arrive! Will let anyone know by PM!


ok parts will be here in the weekend and I should be able to put and test a total of 6 drivers because my budget is very limited and those ICs cost me fortunes >.<

after I sell these I will be able to make some more on request I guess...

2 drivers goes totally free to 2 of you (which I have already chosen - will let you know by PM)

check the manual in the attachment:

your power source must be a good PSU with at least 4A current capability or a 2500/2800/3000mAh Li-Ion battery for testing.

otherwise at currents above 1.4A the driver will begin to pulse if the input power isn't sufficient. This is mainly noticeable in boost mode as the input current should be pretty high but not higher than 3.4A. for a 2A output. when driving 445nm diode.

at lower output voltages input current is way lower. It all depends on your application but for 445nm at high currents you need above 3A input current for full regulation and reasonable run time.

See manual for details:
---------------------------------------------------
if any questions please ask



price is $29 and I use priority shipping with tracking number (~$7).
Attached Files
File Type: pdf Manual.pdf (1.93 MB, 511 views)

Last edited by foulmist; 05-16-2012 at 09:18 AM. Reason: updated manual
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Old 03-06-2012, 09:05 AM #94
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Default Re: The New Buck/Boost High Output Driver

please hold on just a few more days... farnell is delaying my order >.< from England, they told me they should arrive on friday. ... >.<

dammmmn....
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Old 03-07-2012, 07:02 AM #95
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Default Re: The New Buck/Boost High Output Driver

Looks great, man why do you not use a package forwarding company like shipito.com, they will send you your package for 10 usd to europe, i use them shipping things which the seller dont ship outside or the shipping is very much, thanks

please also reserve two drivers for me set them at 1.6 amps, already sent payment and pm enjoy
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Old 03-07-2012, 07:31 AM #96
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Default Re: The New Buck/Boost High Output Driver

Quote:
Originally Posted by Abedin View Post
Looks great, man why do you not use a package forwarding company like shipito.com, they will send you your package for 10 usd to europe, i use them shipping things which the seller dont ship outside or the shipping is very much, thanks

please also reserve two drivers for me set them at 1.6 amps, already sent payment and pm enjoy
there is a forwarding company for farnell here but for some reason the order got delayed... I am expecting them on Friday that's what they said... thanks I will make them as quickly as possible
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