Not applicable
Jun 16, 2018
05:28 PM
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Jun 16, 2018
05:28 PM
Hi I have an out of warranty Graphics card I wish to attempt a repair on. The Card has died twice during it's warranty and again just after warranty ended (not your fault!), I suspect underpowered IR3553 might have been responsible each time. (They develop a short when broken)
I am wondering if it is possible for me to replace all the IR3553 with IR3555, i.e. are they pin compatible.
I understand the IR3553 is 4mm x 6mm and the IR3555 is 6mm x 6mm, but the GPU seems to have extra pin space for fitting the larger chips, there are large solder pads underneath each chip which allow for different chip sizes. I have attached an image showing the 4mm x 6mm IR3553 on the circuit board.
Thanks for any advice on this.
I am wondering if it is possible for me to replace all the IR3553 with IR3555, i.e. are they pin compatible.
I understand the IR3553 is 4mm x 6mm and the IR3555 is 6mm x 6mm, but the GPU seems to have extra pin space for fitting the larger chips, there are large solder pads underneath each chip which allow for different chip sizes. I have attached an image showing the 4mm x 6mm IR3553 on the circuit board.
Thanks for any advice on this.
Solved! Go to Solution.
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- IFX
1 Solution
Jun 18, 2018
07:51 PM
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Jun 18, 2018
07:51 PM
1 Reply
Jun 18, 2018
07:51 PM
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Jun 18, 2018
07:51 PM
Hello Karrana,
IR3553 / IR3555 are not pin compatible.
IR3553 / IR3555 are not pin compatible.