noorworkshop
New member
Hi all
This is the car amp's smps core
It's 4x70w(280w) and class ab
Smps ferquency is 50khz
Skin depth in 50khz is 66/223.6=0.3mm
Pri current in each rail is:
(280x2(efficiency about 50%)/12)/2=23A
In this amp pri winding is 3 layer of 0.8 wire and we need to give 7.8A from per layer
But How it can give 7.8A in this ferquency and this skin depth?
I attach amp pic
Please help me to give same power from same winding
Thanks
This is the car amp's smps core
It's 4x70w(280w) and class ab
Smps ferquency is 50khz
Skin depth in 50khz is 66/223.6=0.3mm
Pri current in each rail is:
(280x2(efficiency about 50%)/12)/2=23A
In this amp pri winding is 3 layer of 0.8 wire and we need to give 7.8A from per layer
But How it can give 7.8A in this ferquency and this skin depth?
I attach amp pic
Please help me to give same power from same winding
Thanks