4DSP Support Forum
Products => FMC Products => FMC122, FMC125, FMC126 => Topic started by: gyellen1120 on January 31, 2014, 04:58 PM
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Hi - I have a PC720 with FMC125 and FMC122 mezzanine cards. I've added extra cooling fans to blow down between the cards, and according to the FMC temperature monitors, I see temperatures of about 47 C ("external") and 69 C ("internal") on the FMC125 (the FMC122 runs cooler).
The e2V digitizer is rated for Tambient of 0 - 70 C. I assume that this means that the chip temperature can exceed this (the Tjunction is rated to 125 C) - does this sound correct? What do you consider a safe range for the chip temperature?
To get the digitizer any cooler than it is (while not in standby), I think it would be necessary to add a heatsink, as the airflow is quite good now.
Thanks - gary
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Dear Gary,
Such a heatsink could be used: http://search.digikey.com/us/en/products/ATS-52300P-C2-R0/ATS1138-ND/1284852
Mind the heights constraints.
Thanks,
Arnaud
[size=78%][/size]
[size=78%][/size]
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Thanks, Arnaud. But what is a reasonable safe temp range for the chip? I realized that if Tambient is rated up to 70, the die temp must be higher.
Thanks - Gary
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This topic is being closed because the issue is considered as resolved by 4DSP. Feel free to create a new topic for any further inquiries.