SIMPLORER User Manual V6.0 - FER-a

Freewheeling Diode Model
SIMPLORER 6.0 — Manual 139
The FWD model is a static one only. The static current follows the formula:
– VDS – I ⋅ RB_FWD
----------------------------------------------------
⎛ M ⋅ VT ⎞
k ⋅ ( TEMP_JNCT + 273K)
I = ISAT, FWD ⋅ ⎜e– 1⎟
VT= -----------------------------------------------------------------
⎝ ⎠
q
k = Boltzmann constant (1.381E-23) q =
Elementary charge (1.602E-19)
Component Parameters FWD Model
Description [Unit] Parameter Name Data Type
Ideality Factor of FWD M_FWD real
Saturation Current of FWD at TEMP0 [A] ISAT0_FWD real
Bulk Resistance of FWD [Ω] RB_FWD real
Linear Temperature Coefficient of M_FET ALPHA_M_FWD real
Exponential Temperature Coefficient of N_FET ALPHA_ISAT_FWD real
Linear Temperature Coefficient of M_FWD ALPHA_RB_FWD real
Component Outputs for all FET Types
Description [Unit] Parameter Name Data Type
Internal Gate-Source-Voltage [V] VGS real
Internal Gate-Drain-Voltage [V] VGD real
Internal Drain-Source-Voltage [V] VDS real
Internal Bulk-Source-Voltage [V] VBS real
Bulk-Drain-Voltage [V] VBD real
Current through Drain Connector [A] ID real
Current through Gate Connector [A] IG real
Gate-Source-Capacitance [F] CGS real
Drain-Gate-Capacitance [F] CDG real
Drain-Bulk-Capacitance [F] CDB real
Source-Bulk-Capacitance [F] CSB real
Junction Temperature [°C] TEMPJNCT real
Chip Temperature [°C] TEMPINTR real
Case Temperature [°C] TEMPC real
Total Component Losses [W] PEL real
Power Transfer by Conduction [W] PCOND real
Power Transfer by Convection [W] PCONV real
Power Transfer by Radiation [W] PRAD real
Losses of One Switching Cycle [Ws] ESWITCH real
Average Losses of One Switching Cycle [W] PSWITCH real
Total Losses During Simulation [Ws] ETOT real
Total Average Losses During Simulation [W] PTOT real