Turning off Mosfet results in spikes, with slowest setting (6EDL7141)

[eTobey]

Can anyone explain, why there are those spikes in the current? I already have setup the driver to drive the gate with 10mA, and that is the slowest setting possible.

The resistor after the inductor is 0.1 Ohm, held in place by alligator clips. The inductor is actually a stator, with just using 2 of the 3 connections.

The turning on of the mosfet happens faster, and looks good.

Datasheet of driver:
https://www.infineon.com/dgdl/Infineon-6EDL7141-DataSheet-v01_20-EN.pdf?fileId=8ac78c8c8e7ead30018ec7bd6aac46f3

Datasheet of Mosfet:
https://www.vishay.com/docs/76233/sir180dp.pdf

[jwet]

Its a bit difficult to understand your scope plots- I can't tell the magnitude of these spikes, it looks like there on a math channel thats reading out in webers?  I think the problem is that at these very slow rise times, you're getting through conduction.  The driver has dead time insertion between hiside and lowside but it kind of breaks down at these very low speeds.  Do you really need to operate at these levels?  Another possibility is running out of dynamic range in the current measuring- isn't there a low side current sense below the fets? (CSNA etc.).  These can also be tough measurement but if your high speed stuff works ok, you probably have a decent test setup.

I have a question for you.  I just bought a Siglent scope (SDS120x HD), what are you using for a current probe?.  I have one for my old Tek buts it only for that scope with the smart interface stuff.  I haven't bought an I probe in a while, they've gotten really pricey.

[Andy Watson]

Spikes? Looks like oscillation to me. To get from On to Off the mosfet must transition through a linear region. The longer the transistion, the greater the chance of dwelling in that "sweet spot" where oscillations can build-up. The inductive nature of the load probably does not help.
If turn-off (and on) time is not important to you, try spoiling the "Q" of the gate circuit with a resistor (10-200\$\Omega\$) placed close to the gate lead.