Hello,
Short circuit protection is described in the electrical characteristics of the data sheet as follows.
(question)
Does 45A indicate the maximum current that flows through the FET during a short circuit?
Or does it mean that it is okay to flow 45A in the event of a short circuit?
Best regards,
Hi Kaji,
During short-circuit, the turn-off response depends on the magnitude of the short-circuit current
The device has fast-trip threshold set at 2xIOL i.e., 2 times the current limit value. For example, if you set 6A current limit, the fast-trip threshold will be 12A. the short-circuit current around that will takes 3.2us to respond.
If the short-circuit impedance is very low causing large short-circuit current exceeding ISCP 45A, then the device will turn-off in 1us (typ)
Best regards,
Rakesh
