Hello everybody,
I have the need now to simulate ferromagnetic cores. I thought about it and don't recall info in the help file so, I asked google's Gemini AI "Proper method to model a ferromagnetic core with LTspice?". Gemini was kind enough to include a code example.
* Define the material properties
.model my_ferrite LAMINATION(
+ LOSSES=1
+ DC_RES=1e-6
+ THICKNESS=0.5m
+ STACKING=0.95
+ H_C=100
+ B_SAT=1
+ MU_I=1000
)
* Create the inductor
L1 1 0 1uH
.model L1 INDUCTOR (
+ L=1uH
+ IC=0
+ A_L=1e-6
+ R_SER=0.1
+ Rg=1e6
+ PARAM: Lr=1uH
)
* Define the core material for the inductor
.model L1_core my_ferrite
* Excite the circuit (example using a voltage source)
V1 1 0 SIN(0 1 60 0 0)
* Simulate and analyze the results
.tran 0 0.1 0 1u
.end
Would this be a good start to modeling ferromagnetic cores?
