DIY - Flash Chip Socketing P01 & P59

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Joined: Thu Sep 21, 2017 3:00 pm

DIY - Flash Chip Socketing P01 & P59

Postby 160plus » Wed Apr 25, 2018 11:34 am

This is NOT for the feint of heart. You will need to be able to solder 1.27 mm spacing SMD terminals with out damaging a plastic header or causing damage to the Pcm's circuit board that has other parts mounted in close proximity.

Since this material is not aimed at inexperienced users I'm not going to give a blow by blow and I'm going to assume your able to lift a flash chip with out damage.

This consists of 4 parts.

#1 The socket - TSOP 44 to 2.54mm DIP mounting. There are a number of brands/companies that make these. This is just an example of the type of socket used.
https://www.amazon.com/WINGONEER-PSOP44 ... B06XHJXDJ2

#2 The Adapter board - This is the real key to making this work. This board converts the 2.54mm pin spacing on the socket to the same pitch as the flash chip's 1.27mm spacing.

Adapter board.PNG
Adapter board.PNG (29.36 KiB) Viewed 642 times


The files to have your own pcb's made
Gerber_TSOP 44 Adapter_20180424210101.zip
(17.8 KiB) Downloaded 52 times

Other Formats for PCB.rar
(10.52 KiB) Downloaded 49 times


#3 The female header - any female header that's at least 2x22 with 1.27 spacing and L type pads will work. This is the type of header I used.
https://lcsc.com/product-detail/Female-Header_Double-female-header2-30-pitch1-27mm-SMD_C72530.html

#4 The cheapest and easiest way to attach directly to the pcm is with a Road Runner header. They are a bit pricey but it's a whole lot less headache then other methods I've used to do this with.
http://www.moates.net/roadrunnerdiy-sol ... ath=100_56


The hardest part of all this was soldering the plastic female header to the adapter pcb. The header can be hard to get to sit flat and make good contact so I would advise soldering one and then pull it apart by force and see how well everything held up.

So pics of the parts and I test fit them and assembled everything.

Screenshot_20180424-123801.png


Screenshot_20180424-123722.png


Screenshot_20180424-123748.png

Posts: 71
Joined: Thu Sep 21, 2017 3:00 pm

Re: DIY - Flash Chip Socketing P01 & P59

Postby 160plus » Wed Apr 25, 2018 11:36 am

Screenshot_20180424-204021.png


20180424_201928.jpg

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Re: DIY - Flash Chip Socketing P01 & P59

Postby antus » Thu Apr 26, 2018 1:25 pm

nice project for flash testing without a bdm :thumbup:
Have you read the FAQ? For lots of information and links to significant threads see here: viewtopic.php?f=7&t=1396

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