Same as mine current protection is used in Curtis controller (maked out on LM339)
http://www.evdl.org/docs/curtis_1221b_schematic.pdf
http://cafeelectric.com/curtis/Curtis_manual.pdf
Some notes about MOSFET sizing:
Curtis has 35x IRF640 0.15 ohm 11A (100 C) 200V
Current protection 400 A
and rating: 400 A for 2 min
250 A for 5 min and
150 A 1 hour
Quote:
Originally Posted by MPaulHolmes
P.S., I might end up switching to the ATMega16 too.
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I sugest ATmega32 (same as ATMega16 but 32 kb flash)