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Author: Subject: Fried Megasquirt Chip - Please Help!!!
Nev

posted on 15/5/06 at 04:48 PM Reply With Quote
Fried Megasquirt Chip - Please Help!!!

I've managed to toast the MOSFET driver in my V3 megasquirt.

Does anyone know where I can get a new one?

I've tried RS, Farnell, Digi-key and maplin but there either out of stock or have a handling charge 10x the value of the chip!

The Chip is labeled U4 and is manufactured by IXYS part no. IXDI404PI and alternative part is the older MC33151P chip.

Any help would be greatly appriciated.

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BKLOCO

posted on 15/5/06 at 04:54 PM Reply With Quote
There is a VERY slim chance that I may have one indoors.
I'll have a look later tonight when I get home from work.
If I have I'll U2U you and post here.
If you hear nowt then you know I haven't got one.
Are you sure that this is the only component that you've let the smoke out of?





Experience is what you get when you don't get what you want!!!

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Nev

posted on 15/5/06 at 05:06 PM Reply With Quote
Thanks BKLOCO,

I'm pretty sure that it's only the MOSFET thats damaged, the FETs and CPU look fine.

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rayward

posted on 15/5/06 at 05:16 PM Reply With Quote
have you got an RS part number?,if so i can get you one and post it on

Ray

[Edited on 15/5/06 by rayward]

[Edited on 15/5/06 by rayward]

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BKLOCO

posted on 15/5/06 at 05:23 PM Reply With Quote
quote:
Originally posted by rayward
have you got an RS part number?,if so i can get you one and post it on

Ray

[Edited on 15/5/06 by rayward]

[Edited on 15/5/06 by rayward]


You are looking at U4 in V2.2
U4 in V3 is the same as U7 in V2.2
Confusing aint it....Do try and keep up mate

I don't think they are stocked by RS. or Farnell.

[Edited on 15-5-06 by BKLOCO]





Experience is what you get when you don't get what you want!!!

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Nev

posted on 15/5/06 at 05:58 PM Reply With Quote
It U4 on the V3 board, U7 on the 2.2.

RS did stock the mc33151p but have discontinued it (444-8866). they now only appear to have the SOIC style chip (484-5481).

Farnell have also discontinued the mc33151p (793085) and now offer the RoHS compliant (9666770) as an alternative.

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SteveH

posted on 15/5/06 at 08:46 PM Reply With Quote
If you have now luck here try asking on the European MS forum.... Bill is bound to know....

European MegaSquirters

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BKLOCO

posted on 15/5/06 at 08:56 PM Reply With Quote
I've got one!
U2U being sent now.





Experience is what you get when you don't get what you want!!!

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BKLOCO

posted on 16/5/06 at 06:08 AM Reply With Quote
It's in the post.
Should be with you tomorrow.
Regards
Brian





Experience is what you get when you don't get what you want!!!

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