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SMT Breakout PCB for TSSOP-28
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SMT Breakout PCB for TSSOP-28

by PJC on Mon May 20, 2013 3:14 am

Hello all,

I am verry interested by the breakout PCB that allow prototyping with TSSOP chips. I am thinking to buy a 28 pins board to start playing with a PWM constant current LED Driver (TLC59116) http://www.ti.com/product/tlc59116
I just want to know what is the pitch (lead spacing) used for TSSOP side? I know it is 1.27mm for SOIC but it can be 0.635mm or 0.5mm for TSSOP.
The TLC59116 is 0.635mm lead spacing, does it fit?

An aditional question would be does the breakout PCB can fit in a prototyping breadboard? But I guess yes :)

Thanks for your help

Product ID: 1208
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Re: SMT Breakout PCB for TSSOP-28

by adafruit_support_mike on Mon May 20, 2013 3:38 pm

TSSOP is .65mm spacing, or 40 pins per inch. The .5mm spacing happens on QFN devices.

All the breakouts are designed to fit in a breadboard. The ones with larger pin counts are wider than the .3" spacing at the center of a breadboard because pins and traces take up space, but the spacing between the rows of pins is always some multiple of .1".
When you void a product warranty, you give up your right to sue the manufacturer if something goes wrong and accept full responsibility for whatever happens next. And then you truly own the product.

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Re: SMT Breakout PCB for TSSOP-28

by PJC on Tue May 21, 2013 7:31 am

Hello Mike,

Thanks for the answer and technical support, I am now going to place my order!!
Looking forward prototyping using your board,

Cheers
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Re: SMT Breakout PCB for TSSOP-28

by drodgers_ls on Wed Apr 15, 2015 4:18 pm

I hate to necro-post, but this person asked the exact question I needed to ask, namely what the pin pitch is on your TSSOP adapters, and I had to go Googling for the answer.

http://www.adafruit.com/product/1208 (and many others)

0.65mm may be the standard, but it would be simple and unambiguous for you to state in the product description what the pitch of the adapter pads are. Thanks.

David

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Re: SMT Breakout PCB for TSSOP-28

by ke5fx on Tue Apr 21, 2015 3:35 am

There's actually no formal standard associating (T)SSOP packaging with a certain pin pitch. You sometimes see .65 mm, sometimes .635. I just ran into this for the first time, myself, luckily before any boards went out...

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