Altera PowerPlay Early Power Estimator User Manual
Page 14

2–6
Altera
Corporation
PowerPlay Early Power Estimator For Arria GX FPGAs
May 2008
Entering Information into the PowerPlay Early Power Estimator
Importing a file from the Quartus II software populates all input
parameters on the main page that were specified in the Quartus II
software. These parameters include:
•
Family
•
Device
•
Package
•
Temperature grade
•
Power characteristics
•
Ambient or junction temperature
•
Heat sink
•
Airflow
•
Custom
θ
SA
or custom
θ
JA
•
Board thermal model
•
Custom
θ
JB
•
Board temperature
The ambient or junction temperature, airflow, heat sink, custom
θ
SA
, or
custom
θ
JA
board thermal model, custom
θ
JB
, and board temperature
parameters are optional. See
“Main Input Parameters” on page 3–1
more information on these parameters.
The f
MAX
values imported into the PowerPlay Early Power Estimator
spreadsheet are the same as the f
MAX
values specified by the designer in
the Quartus II software. You can manually edit the f
MAX
and the toggle
percentage in the PowerPlay Early Power Estimator spreadsheet to suit
your system requirements.