PDA

View Full Version : Supplier of Allegro Chips in Australia



wjohn
06-05-2007, 04:01 AM
Hi,

As many of you would be aware, I have been producing PCBs for the GRINCH and LEDTRIKs projects. I spoke to an Australian local supplier today, who would be prepared to stock Allegro controller chips for us, as long as I buy a heap to get started.

The supplier is:

Analog Electronic Components P/L
38 Maylands Crescent
Glen Waverley, Victoria 3150
Australia
+613-9562-0947
analog@analog.com.au

The IC controller is the Allegro A6279EA-T , a 24pin DIL IC. If you are interested in buying ICs locally in Australia, please drop AMC a line and let them know you would like to have a local provider and save the airmail.

John.

Sparkey
01-01-2010, 12:25 AM
Any idea of the initial price per chip would be?
I'm looking for 8-12 as backups.
And thanks for the info.!

wjohn
01-01-2010, 03:51 AM
they wanted an order of 500$ to get things started.

David_AVD
01-01-2010, 05:18 AM
I may be able to help with distributing stuff like this in the future. It would depend on demand though.

Matt_Edwards
01-01-2010, 07:07 AM
without hijacking the thread too much, has MBI dried up also? I seem to remember they were keen to distribute in AU when I rang them early in 2009.

daviddth
01-02-2010, 07:27 AM
When I tried MBI (And a few others) in about October they all said they were no longer interested in sending them to us, or had no stock & were not expecting any in the future

Sparkey
01-04-2010, 08:51 PM
Greetings all.
I don't want to steal your thunder or the thread, I just want to help people find the part so I'll offer the following news. Here in the United States I contacted Nu Horizons Electronics looking for the part and received the following email reply:

"...Allegro part number A6279EA-T has a lead time of 14 weeks and a minimum buy of 75 pcs. Your price would be $ 1.50 each"

I would think a group buy (though I know nothing about such matters) would help people out here? I personally am looking to buy 8-12 for spares. My apologies in advance if I've posted this in the wrong area.

pete
01-04-2010, 09:54 PM
I was wondering if anyone has looked into other ICs that do the same function. Like The TI TLC5926 or TLC5927. I'm not saying they will do the job. I was only doing a quick search and came across them. Only noticing they seem to have the same layout. I haven't closely compare specs yet.

mrpackethead
01-05-2010, 05:50 AM
whats the allegro chip used for ?

tstraub
01-05-2010, 07:20 AM
whats the allegro chip used for ?
The Allergo chip is a 16 bit constant current LED sink driver. Four chips are used for th 64 channel Grinch controller. I believe they are also used in the LedTricks boards.
Tyler

P. Short
01-05-2010, 03:42 PM
I was wondering if anyone has looked into other ICs that do the same function. Like The TI TLC5926 or TLC5927. I'm not saying they will do the job. I was only doing a quick search and came across them. Only noticing they seem to have the same layout. I haven't closely compare specs yet.

They were not shown in a DIP package in the datasheet that I looked at, only various SMT packages.

Edit...the general problem is one of packaging...there are lots of compatible parts available in SMT packages, but the availability of compatible parts in the DIP-24 packages is diminishing.

wjohn
01-05-2010, 05:39 PM
It may get to the day when a starter board may have to come with a SMT package pre-soldered, leaving the DIYCer to fit the rest of the Thru hole parts.

Until then, King Electronics have the MBIs.

http://www.kingelectronics.com/

http://www.kingelectronics.com/index.asp?sid=AB67164DE14B45FCA2F29BD9F7F23715&action=product&id=166

Sparkey
01-06-2010, 10:33 PM
Just want to make sure I've got this correct.
Are you saying the MBI (MBI5027) is a direct replacement for the Allegro (A6279EA-T) chip? And if so can I mix and match or must I use a matched set of MBIs?
Thanks.

dirknerkle
01-06-2010, 10:39 PM
It's a direct replacement in terms of logic, etc. but it usually requires a slightly higher trigger voltage than the allegro. It's probably best to use identical chips on the same board.

Ronp
01-06-2010, 11:44 PM
Just want to make sure I've got this correct.
Are you saying the MBI (MBI5027) is a direct replacement for the Allegro (A6279EA-T) chip? And if so can I mix and match or must I use a matched set of MBIs?
Thanks.

The allegro chip was the replacement for the mbi. lol

Yes you should run all the same type ic

Ronp
01-08-2010, 11:02 AM
http://www.newark.com/allegro-microsystems/a6276ea-t/led-driver-ic/dp/87K3398

These may work I havent tryed them

soakes94
02-09-2010, 06:40 PM
Does anyone have any spare ic chips that they wouldn't mind posting to the UK? Im really struggling to get them without having to pay a fortune for P&P. I will pay postage as well.

thanks steve