lifebook ah530 blown chip on motherboard

[moodoo]

hello guys, my laptop has a blown chip see pic below, now i want to repair this myself, i do many laptop/game console reflows and have the tools to perform this repair, only problem is i'm not sure what chip this is.
on the blown chip i can see the numbers 4496, now on the chip near to this blown one there is a code FV1T2N 4496. searching google i'm unable to find a definate answer.
now i have a few motherboards lying around and there are similar chips but with numbers like 4486. now am i able to replace the 4496 with a 4486 or will this just be a waste of time.
id appreciate is someone clever sole is able to assist me in finding the right chip to perform this repair. Many thanks and i,ll keep you updated on how this turns out.

Thanks again _Lee

 

[jarotech]

Hi, you need a 4496, not a 4486. The 4496 has an Id of 10A, and the 4486 has an Id of 4,2A, Id is the current going through them. They are both DC-DC converters.

 

[moodoo]

Thanks jarotech for giving up your time to answer me..

i'm currently searching through ebay to find the part, i'm a little confused as i cannot find a part specifically labeled 4496 would it be cheeky to ask for you to link me the part needed from ebay or another site based in uk.

Thankyou for your assistance_Lee

 

[jarotech]

It's from Alpha & Omega Semiconductor, Ltd., the number is AO4496, and here is the link from ebay.

 

[moodoo]

Thanks mate... if your ever in the PE13 area i shall get you a beer. i will update this post in a few days let you know whether this goes according to plan.

Thanks again mate. _Lee

 

[jarotech]

I'm glad I can help you with your repair, I thank you for your good intention, but I'm from Canada, not near UK.