SIMPLIS Parts: SIMPLIS Diode Options

The default test conditions for the Extract Diode Parameters dialog can be set from the Command Shell menu File ▶ General ▶ SIMPLIS Options....

Diode Extracted Parameters
Test Condition	Default Value	Units	Description

Forward current	200m	A	The peak forward current used for curve fitting. The algorithm fits a straight line between 50% and 100% of this value.
Reverse voltage	100	V	The peak off-state voltage seen by this device. Used to extract capacitance for model level = 1 which includes parasitic capacitance. Breakdown is not modeled.
Model temperature	50	°C	Temperature used for all extraction simulations.
Model level	0		Model complexity. For information on choosing the model level, see SIMPLIS_Diode_Model_Levels.
Number of Segments	3		Diodes may have two segments - representing On and Off Resistance or three segments with the third segment representing the transition between the On and Off states.
Initial Condition	0 Reversed Biased		Sets initial conducting segment.
Limit maximum off resistance	Checked	none	Limits the off resistance for the diode. For some SPICE models, this will produce a SIMPLIS model which runs faster.
Maximum off resistance	100Meg	W	The maximum off resistance of the diode. This value is used only if the "Limit maximum off resistance" checkbox is Checked.

Additional Options
Option	Default Value	Description
Debug
Output parameter ...	Unchecked	If checked, the debug statements are automatically written to the deck file. The Command shell menu SIMPLIS ▶ Edit Netlist (after preprocess) opens the .deck file for editing. An example set of debug statements can be found in the Deck-Level Debug section.

Deck-Level Debug

If you check "Output parameter debug statements to the deck file," each Diode in the design has a debug report inserted in the .deck file when you run a simulation. This debug report displays the calculated values for each major parameter in a formatted table. You can edit the .deck file with the Command shell menu SIMPLIS ▶ Edit Netlist (after preprocess). A sample debug report is shown below:

***SIMPLIS DEBUG EXTRACTED DIODE START******************************************
***                                                                          ***
*** Device with REF : D1                                                     ***
***                                                                          ***
*** Extracted from SPICE model: D1n4148                                      ***
***                                                                          ***
********************************************************************************
*
* Model Extraction Parameters
*
* ID_PEAK : 200m
* VD_PEAK : 63
* TEMP : 50
* LEVEL : 0
* LIMIT_MAX_ROFF : 1
* MAX_ROFF : 100Meg
*
* Conduction Parameters
*
* NUMSEG : 3
* R SEG#1 : 100Meg
* R SEG#2 : 3.47253
* R SEG#3 : 1.36621
*
* Conduction V-I Points
*
* VD0 : -63
* ID0 : -630n
* VD1 : 696.738m
* ID1 : 6.96738n
* VD2 : 846.43m
* ID2 : 43.1075m
* VD3 : 1.06078
* ID3 : 200m
*
********************************************************************************
***                                                                          ***
*** Device with REF : D1                                                     ***
***                                                                          ***
*** Extracted from SPICE model: D1n4148                                      ***
***                                                                          ***
***SIMPLIS DEBUG EXTRACTED DIODE END********************************************