luke
/
ngspice
mirror of https://git.code.sf.net/p/ngspice/ngspice
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

VDMOS parameter default fixing and node collapsing for body diode series resistance

This commit is contained in:
dwarning 2020-10-19 10:13:08 +02:00 committed by Holger Vogt
parent 49fd5361e6
commit e1a428e002
1 changed files with 12 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
src/spicelib/devices/vdmos/vdmosset.c
View File

@ -89,7 +89,7 @@ VDMOSsetup(SMPmatrix *matrix, GENmodel *inModel, CKTcircuit *ckt,
model->VDMOSmtr = 1.;
if (!model->VDIObvGiven)
model->VDIObv = 1.0e30;
model->VDIObv = 1e99;
if (!model->VDIOibvGiven)
model->VDIOibv = 1.0e-10;
@ -110,7 +110,7 @@ VDMOSsetup(SMPmatrix *matrix, GENmodel *inModel, CKTcircuit *ckt,
model->VDMOSrds = 1.0e+15;
if (!model->VDIOresistanceGiven)
model->VDIOresistance = 10e-03;
model->VDIOresistance = 0.0;
if (!model->VDIOnGiven)
model->VDIOn = 1.;
@ -190,6 +190,12 @@ VDMOSsetup(SMPmatrix *matrix, GENmodel *inModel, CKTcircuit *ckt,
if (!model->VDMOSvgdrMaxGiven)
model->VDMOSvgdrMax = 1e99;
if (!model->VDMOSqsResistanceGiven)
model->VDMOSqsResistance = 0.0;
if (!model->VDMOSqsVoltageGiven)
model->VDMOSqsVoltage = 0.0;
if ((model->VDMOSqsResistanceGiven) && (model->VDMOSqsVoltageGiven))
model->VDMOSqsGiven = 1;
else
@ -266,7 +272,7 @@ VDMOSsetup(SMPmatrix *matrix, GENmodel *inModel, CKTcircuit *ckt,
here->VDMOSgateConductance = 0.0;
}
if (model->VDMOSrdsGiven) {
if (model->VDMOSrds != 0) {
if (model->VDMOSrds > 0) {
here->VDMOSdsConductance = here->VDMOSm / model->VDMOSrds;
} else {
here->VDMOSdsConductance = 1e-15;
@ -274,10 +280,10 @@ VDMOSsetup(SMPmatrix *matrix, GENmodel *inModel, CKTcircuit *ckt,
} else {
here->VDMOSdsConductance = 1e-15;
}
if (model->VDIOresistance > 10e-3) {
if (model->VDIOresistance > 0) {
here->VDIOconductance = here->VDMOSm / model->VDIOresistance;
} else {
here->VDIOconductance = here->VDMOSm / 10e-03;
here->VDIOconductance = 0.0;
}
if (model->VDMOSdrainResistance > 0) {
@ -351,7 +357,7 @@ VDMOSsetup(SMPmatrix *matrix, GENmodel *inModel, CKTcircuit *ckt,
here->VDMOSsNodePrime = here->VDMOSsNode;
}
if (model->VDIOresistance != 0 ) {
if (model->VDIOresistance > 0 ) {
if (here->VDIOposPrimeNode == 0) {
error = CKTmkVolt(ckt, &tmp, here->VDMOSname, "body diode");
if (error) return(error);