Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

FPGA is hot

I'm using EP1C6Q240 FPGA, after programming it , the current for 3V3 was about 400mA, working OK, after several weeks, the current went to about 800mA and FPGA was getting hot, but it's still working...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

--- Quote Start ---

I'm using EP1C6Q240 FPGA, after programming it , the current for 3V3 was about 400mA, working OK, after several weeks, the current went to about 800mA and FPGA was getting hot, but it's still working.

Does anybody know why the FPGA is getting hot?

--- Quote End ---

Hi,

check the default setting of unused pins. You can find the setting under:

Assignments -> settings -> Device and Pin options -> unused Pins

As FvM mentioned should be set to "As input tri-stated with weak pull-up"

Kind regards

GPK