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Minor change in VDMOS that helps VADistiller.

This commit is contained in:
Árpád Bűrmen 2025-11-12 14:13:07 +01:00
parent c0d92ebd96
commit 807ff2b90c
1 changed files with 10 additions and 9 deletions
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19
src/spicelib/devices/vdmos/vdmosload.c
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@ -363,7 +363,7 @@ VDMOSload(GENmodel *inModel, CKTcircuit *ckt)
double t2 = exp((vgst-shift)/slope);
vgst = slope * log(1 + t2);
double dvgstdvgs = t2/(t2+1);
if (vgst <= vdss) {
/* saturation region */
cdrain = betap * vgst*vgst * .5;
@ -639,22 +639,23 @@ bypass:
if (selfheat)
{
double gthjc = 1/model->VDMOSrthjc;
double gthca = 1/model->VDMOSrthca;
(*(here->VDMOSDtempPtr) += dIrd_dT);
(*(here->VDMOSDPtempPtr) += GmT - dIrd_dT);
(*(here->VDMOSSPtempPtr) += -GmT);
(*(here->VDMOSGPtempPtr) += 0.0);
(*(here->VDMOSTemptempPtr) += -gTtt - dIrd_dT*Vrd + 1/model->VDMOSrthjc + gcTt);
(*(here->VDMOSTemptempPtr) += -gTtt - dIrd_dT*Vrd + gthjc + gcTt);
(*(here->VDMOSTempgpPtr) += -gTtg);
(*(here->VDMOSTempdPtr) += -dIth_dVrd);
(*(here->VDMOSTempdpPtr) += -gTtdp + dIth_dVrd);
(*(here->VDMOSTempspPtr) += -gTtsp);
(*(here->VDMOSTemptcasePtr) += -1/model->VDMOSrthjc);
(*(here->VDMOSTcasetempPtr) += -1/model->VDMOSrthjc);
(*(here->VDMOSTcasetcasePtr) += 1/model->VDMOSrthjc + 1/model->VDMOSrthca);
(*(here->VDMOSTptpPtr) += 1/model->VDMOSrthca);
(*(here->VDMOSTptcasePtr) += -1/model->VDMOSrthca);
(*(here->VDMOSTcasetpPtr) += -1/model->VDMOSrthca);
(*(here->VDMOSTemptcasePtr) += -gthjc);
(*(here->VDMOSTcasetempPtr) += -gthjc);
(*(here->VDMOSTcasetcasePtr) += gthjc + gthca);
(*(here->VDMOSTptpPtr) += gthca);
(*(here->VDMOSTptcasePtr) += -gthca);
(*(here->VDMOSTcasetpPtr) += -gthca);
(*(here->VDMOSCktTtpPtr) += 1.0);
(*(here->VDMOSTpcktTPtr) += 1.0);
}