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Limiting the junction potential to a usual values for silicon diodes

This commit is contained in:
dwarning 2015-03-06 14:29:48 +01:00 committed by rlar
parent c30373e37e
commit ea4c438311
1 changed files with 9 additions and 0 deletions
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9
src/spicelib/devices/dio/diotemp.c
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@ -184,6 +184,15 @@ DIOtemp(GENmodel *inModel, CKTcircuit *ckt)
here->DIOtVcrit = vte * log(vte/(CONSTroot2*here->DIOtSatCur));
/* limit junction potential to max of 1/FC */
if(here->DIOtDepCap > 1.0) {
here->DIOtJctPot=1.0/model->DIOdepletionCapCoeff;
here->DIOtDepCap=model->DIOdepletionCapCoeff*here->DIOtJctPot;
SPfrontEnd->IFerrorf (ERR_WARNING,
"%s: junction potential VJ too large, limited to %f",
model->DIOmodName, here->DIOtJctPot);
}
/* and now to compute the breakdown voltage, again, using
* temperature adjusted basic parameters */
if (model->DIObreakdownVoltageGiven){