I'm currently using relatively expensive MOSFETs (IPS6021) that have built in over current and over temperature protection. I do not use the "diagnostic" feature of the device.
I would like to use the much cheaper simple MOSFETs and use external circuitry for current limiting.
The goal is to have a high side switch capable of ~10A @ 12V. The current limit does not need to be precise, but below the MAX current rating for the MOSFET I choose.
Since these switches will be used in large quantities, a $1 per switch savings does make a difference.
Any suggestions?
P.S. Perhaps there are cheaper self-protected MOSFETS.
I would like to use the much cheaper simple MOSFETs and use external circuitry for current limiting.
The goal is to have a high side switch capable of ~10A @ 12V. The current limit does not need to be precise, but below the MAX current rating for the MOSFET I choose.
Since these switches will be used in large quantities, a $1 per switch savings does make a difference.
Any suggestions?
P.S. Perhaps there are cheaper self-protected MOSFETS.