i have done my pcb l298 l297 2A
its work perfect with stepper 1A
but when i change with 3A stepper i uses 0.666 vref at paralell 2.1
with pc power supply 12v
but l298 heat abnormal more then 120 degre c
i put aluminuim and 3 fan cooler but chip very heat
did some 1 have solution haw i do
thanks
stepper =
Typ : bipolar / (unipolar)
Strom : 2,2 A (3,0 A) / Phase
Haltemoment : 1,65 Nm (1,3 Nm)
Widerstand : 0,9 Ohm / Phase
Induktivität : 2,2 mH / Phase