Recent content by nuggetchris

I've since updated the schematic a good bit, and it now looks like this: https://forum.allaboutcircuits.com/attachments/fet-switch-jpg.157706/ Where should diodes go? Across each load? Across each mosfet?

There is only one layer of windings, no overlap of coil wire. I'll heat sink the fets, run the fans constantly, and see long I can run each magnet before heat gets excessive. Then refine from there on.

I am not planning on any puncture failures, as everything is clamped down very securely in the case. My main concern is magic smoke from faulty circuitry. Assuming that, the low side drive circuit would NOT require a gate driver and I can switch using Arduino? And in order to manage heat, I...

Hi, the mosfets would not be all pumping 35A, the current I would flow through would only be around 75A, so between three 35A rated fets, that leaves 30A worth of buffer or ~10A buffer on each. I’m located in central Florida in the summer so it may reach ambient temps of ~85F. Accounting for...

For a project, I need a means of switching a high-current circuit between two inductors. The purpose is, each inductor serves as an electromagnet, and they are switched every 15s or so in order for one of the two to cool before starting again. The system I've designed uses arduino as a...