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general vdmos update

This commit is contained in:
dwarning 2025-11-20 15:09:04 +01:00
parent f7c32d5edd
commit 7f75f09ecd
6 changed files with 126 additions and 95 deletions
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5
src/spicelib/devices/vdmos/vdmosacld.c
View File

@ -138,7 +138,6 @@ VDMOSacLoad(GENmodel *inModel, CKTcircuit *ckt)
double gthca = here->VDMOSm / model->VDMOSrthca;
*(here->VDMOSDPtempPtr) += GmT;
*(here->VDMOSSPtempPtr) += -GmT;
*(here->VDMOSTemptempPtr) += gTtt + gthjc;
*(here->VDMOSTempgpPtr) += gTtg;
*(here->VDMOSTempdpPtr) += gTtdp;
@ -149,8 +148,8 @@ VDMOSacLoad(GENmodel *inModel, CKTcircuit *ckt)
*(here->VDMOSTptpPtr) += gthca;
*(here->VDMOSTptcasePtr) += -gthca;
*(here->VDMOSTcasetpPtr) += -gthca;
*(here->VDMOSCktTtpPtr) += 1.0;
*(here->VDMOSTpcktTPtr) += 1.0;
*(here->VDMOSDevTtpPtr) += 1.0;
*(here->VDMOSTpdevTPtr) += 1.0;
*(here->VDMOSTemptempPtr + 1) += xcTt;
*(here->VDMOSDPtempPtr + 1) += xcdT;

30
src/spicelib/devices/vdmos/vdmosbindCSC.c
View File

@ -67,8 +67,8 @@ VDMOSbindCSC (GENmodel *inModel, CKTcircuit *ckt)
CREATE_KLU_BINDING_TABLE(VDMOSTempdPtr, VDMOSTempdBinding, VDMOStempNode, VDMOSdNode);
CREATE_KLU_BINDING_TABLE(VDIOPosPrimetempPtr, VDIOPosPrimetempBinding, VDIOposPrimeNode, VDMOStempNode);
CREATE_KLU_BINDING_TABLE(VDMOSDtempPtr, VDMOSDtempBinding, VDMOSdNode, VDMOStempNode);
CREATE_KLU_BINDING_TABLE(VDMOStempSPtr, VDMOStempSBinding, VDMOStempNode, VDMOSsNode);
CREATE_KLU_BINDING_TABLE(VDMOSSTempPtr, VDMOSSTempBinding, VDMOSsNode, VDMOStempNode);
CREATE_KLU_BINDING_TABLE(VDMOSTempsPtr, VDMOStempSBinding, VDMOStempNode, VDMOSsNode);
CREATE_KLU_BINDING_TABLE(VDMOSStempPtr, VDMOSSTempBinding, VDMOSsNode, VDMOStempNode);
CREATE_KLU_BINDING_TABLE(VDMOSTcasetcasePtr, VDMOSTcasetcaseBinding, VDMOStcaseNode, VDMOStcaseNode); /* Rthjc between tj and tcase*/
CREATE_KLU_BINDING_TABLE(VDMOSTcasetempPtr, VDMOSTcasetempBinding, VDMOStcaseNode, VDMOStempNode);
@ -76,9 +76,9 @@ VDMOSbindCSC (GENmodel *inModel, CKTcircuit *ckt)
CREATE_KLU_BINDING_TABLE(VDMOSTptpPtr, VDMOSTptpBinding, VDMOStNodePrime, VDMOStNodePrime); /* Rthca between tcase and Vsrc */
CREATE_KLU_BINDING_TABLE(VDMOSTptcasePtr, VDMOSTptcaseBinding, VDMOStNodePrime, VDMOStcaseNode);
CREATE_KLU_BINDING_TABLE(VDMOSTcasetpPtr, VDMOSTcasetpBinding, VDMOStcaseNode, VDMOStNodePrime);
CREATE_KLU_BINDING_TABLE(VDMOSCktTcktTPtr, VDMOSCktTcktTBinding, VDMOSvcktTbranch, VDMOSvcktTbranch); /* Vsrc=cktTemp to gnd */
CREATE_KLU_BINDING_TABLE(VDMOSCktTtpPtr, VDMOSCktTtpBinding, VDMOSvcktTbranch, VDMOStNodePrime);
CREATE_KLU_BINDING_TABLE(VDMOSTpcktTPtr, VDMOSTpcktTBinding, VDMOStNodePrime, VDMOSvcktTbranch);
CREATE_KLU_BINDING_TABLE(VDMOSDevTdevTPtr, VDMOSDevTdevTBinding, VDMOSvdevTbranch, VDMOSvdevTbranch); /* Vsrc=devTemp to gnd */
CREATE_KLU_BINDING_TABLE(VDMOSDevTtpPtr, VDMOSDevTtpBinding, VDMOSvdevTbranch, VDMOStNodePrime);
CREATE_KLU_BINDING_TABLE(VDMOSTpdevTPtr, VDMOSTpdevTBinding, VDMOStNodePrime, VDMOSvdevTbranch);
}
}
}
@ -142,8 +142,8 @@ VDMOSbindCSCComplex (GENmodel *inModel, CKTcircuit *ckt)
CONVERT_KLU_BINDING_TABLE_TO_COMPLEX(VDMOSTempdPtr, VDMOSTempdBinding, VDMOStempNode, VDMOSdNode);
CONVERT_KLU_BINDING_TABLE_TO_COMPLEX(VDIOPosPrimetempPtr, VDIOPosPrimetempBinding, VDIOposPrimeNode, VDMOStempNode);
CONVERT_KLU_BINDING_TABLE_TO_COMPLEX(VDMOSDtempPtr, VDMOSDtempBinding, VDMOSdNode, VDMOStempNode);
CONVERT_KLU_BINDING_TABLE_TO_COMPLEX(VDMOStempSPtr, VDMOStempSBinding, VDMOStempNode, VDMOSsNode);
CONVERT_KLU_BINDING_TABLE_TO_COMPLEX(VDMOSSTempPtr, VDMOSSTempBinding, VDMOSsNode, VDMOStempNode);
CONVERT_KLU_BINDING_TABLE_TO_COMPLEX(VDMOSTempsPtr, VDMOStempSBinding, VDMOStempNode, VDMOSsNode);
CONVERT_KLU_BINDING_TABLE_TO_COMPLEX(VDMOSStempPtr, VDMOSSTempBinding, VDMOSsNode, VDMOStempNode);
CONVERT_KLU_BINDING_TABLE_TO_COMPLEX(VDMOSTcasetcasePtr, VDMOSTcasetcaseBinding, VDMOStcaseNode, VDMOStcaseNode); /* Rthjc between tj and tcase*/
CONVERT_KLU_BINDING_TABLE_TO_COMPLEX(VDMOSTcasetempPtr, VDMOSTcasetempBinding, VDMOStcaseNode, VDMOStempNode);
@ -151,9 +151,9 @@ VDMOSbindCSCComplex (GENmodel *inModel, CKTcircuit *ckt)
CONVERT_KLU_BINDING_TABLE_TO_COMPLEX(VDMOSTptpPtr, VDMOSTptpBinding, VDMOStNodePrime, VDMOStNodePrime); /* Rthca between tcase and Vsrc */
CONVERT_KLU_BINDING_TABLE_TO_COMPLEX(VDMOSTptcasePtr, VDMOSTptcaseBinding, VDMOStNodePrime, VDMOStcaseNode);
CONVERT_KLU_BINDING_TABLE_TO_COMPLEX(VDMOSTcasetpPtr, VDMOSTcasetpBinding, VDMOStcaseNode, VDMOStNodePrime);
CONVERT_KLU_BINDING_TABLE_TO_COMPLEX(VDMOSCktTcktTPtr, VDMOSCktTcktTBinding, VDMOSvcktTbranch, VDMOSvcktTbranch); /* Vsrc=cktTemp to gnd */
CONVERT_KLU_BINDING_TABLE_TO_COMPLEX(VDMOSCktTtpPtr, VDMOSCktTtpBinding, VDMOSvcktTbranch, VDMOStNodePrime);
CONVERT_KLU_BINDING_TABLE_TO_COMPLEX(VDMOSTpcktTPtr, VDMOSTpcktTBinding, VDMOStNodePrime, VDMOSvcktTbranch);
CONVERT_KLU_BINDING_TABLE_TO_COMPLEX(VDMOSDevTdevTPtr, VDMOSDevTdevTBinding, VDMOSvdevTbranch, VDMOSvdevTbranch); /* Vsrc=devTemp to gnd */
CONVERT_KLU_BINDING_TABLE_TO_COMPLEX(VDMOSDevTtpPtr, VDMOSDevTtpBinding, VDMOSvdevTbranch, VDMOStNodePrime);
CONVERT_KLU_BINDING_TABLE_TO_COMPLEX(VDMOSTpdevTPtr, VDMOSTpdevTBinding, VDMOStNodePrime, VDMOSvdevTbranch);
}
}
}
@ -217,8 +217,8 @@ VDMOSbindCSCComplexToReal (GENmodel *inModel, CKTcircuit *ckt)
CONVERT_KLU_BINDING_TABLE_TO_REAL(VDMOSTempdPtr, VDMOSTempdBinding, VDMOStempNode, VDMOSdNode);
CONVERT_KLU_BINDING_TABLE_TO_REAL(VDIOPosPrimetempPtr, VDIOPosPrimetempBinding, VDIOposPrimeNode, VDMOStempNode);
CONVERT_KLU_BINDING_TABLE_TO_REAL(VDMOSDtempPtr, VDMOSDtempBinding, VDMOSdNode, VDMOStempNode);
CONVERT_KLU_BINDING_TABLE_TO_REAL(VDMOStempSPtr, VDMOStempSBinding, VDMOStempNode, VDMOSsNode);
CONVERT_KLU_BINDING_TABLE_TO_REAL(VDMOSSTempPtr, VDMOSSTempBinding, VDMOSsNode, VDMOStempNode);
CONVERT_KLU_BINDING_TABLE_TO_REAL(VDMOSTempsPtr, VDMOStempSBinding, VDMOStempNode, VDMOSsNode);
CONVERT_KLU_BINDING_TABLE_TO_REAL(VDMOSStempPtr, VDMOSSTempBinding, VDMOSsNode, VDMOStempNode);
CONVERT_KLU_BINDING_TABLE_TO_REAL(VDMOSTcasetcasePtr, VDMOSTcasetcaseBinding, VDMOStcaseNode, VDMOStcaseNode); /* Rthjc between tj and tcase*/
CONVERT_KLU_BINDING_TABLE_TO_REAL(VDMOSTcasetempPtr, VDMOSTcasetempBinding, VDMOStcaseNode, VDMOStempNode);
@ -226,9 +226,9 @@ VDMOSbindCSCComplexToReal (GENmodel *inModel, CKTcircuit *ckt)
CONVERT_KLU_BINDING_TABLE_TO_REAL(VDMOSTptpPtr, VDMOSTptpBinding, VDMOStNodePrime, VDMOStNodePrime); /* Rthca between tcase and Vsrc */
CONVERT_KLU_BINDING_TABLE_TO_REAL(VDMOSTptcasePtr, VDMOSTptcaseBinding, VDMOStNodePrime, VDMOStcaseNode);
CONVERT_KLU_BINDING_TABLE_TO_REAL(VDMOSTcasetpPtr, VDMOSTcasetpBinding, VDMOStcaseNode, VDMOStNodePrime);
CONVERT_KLU_BINDING_TABLE_TO_REAL(VDMOSCktTcktTPtr, VDMOSCktTcktTBinding, VDMOSvcktTbranch, VDMOSvcktTbranch); /* Vsrc=cktTemp to gnd */
CONVERT_KLU_BINDING_TABLE_TO_REAL(VDMOSCktTtpPtr, VDMOSCktTtpBinding, VDMOSvcktTbranch, VDMOStNodePrime);
CONVERT_KLU_BINDING_TABLE_TO_REAL(VDMOSTpcktTPtr, VDMOSTpcktTBinding, VDMOStNodePrime, VDMOSvcktTbranch);
CONVERT_KLU_BINDING_TABLE_TO_REAL(VDMOSDevTdevTPtr, VDMOSDevTdevTBinding, VDMOSvdevTbranch, VDMOSvdevTbranch); /* Vsrc=devTemp to gnd */
CONVERT_KLU_BINDING_TABLE_TO_REAL(VDMOSDevTtpPtr, VDMOSDevTtpBinding, VDMOSvdevTbranch, VDMOStNodePrime);
CONVERT_KLU_BINDING_TABLE_TO_REAL(VDMOSTpdevTPtr, VDMOSTpdevTBinding, VDMOStNodePrime, VDMOSvdevTbranch);
}
}
}

4
src/spicelib/devices/vdmos/vdmosconv.c
View File

@ -83,8 +83,8 @@ VDMOSconvTest(GENmodel *inModel, CKTcircuit *ckt)
*/
vd = model->VDMOStype * (
*(ckt->CKTrhsOld+here->VDIOposPrimeNode)-
*(ckt->CKTrhsOld + here->VDMOSdNode));
*(ckt->CKTrhsOld+here->VDIOposPrimeNode)-
*(ckt->CKTrhsOld + here->VDMOSdNode));
delvd=vd- *(ckt->CKTstate0 + here->VDIOvoltage);

18
src/spicelib/devices/vdmos/vdmosdefs.h
View File

@ -50,7 +50,7 @@ typedef struct sVDMOSinstance {
int VDMOStNodePrime; /* number of the internal temp node between voltage source and Rthca */
int VDIOposPrimeNode; /* number of the internal node of the body diode */
int VDMOSvcktTbranch; /* equation number of branch equation added for cktTemp source */
int VDMOSvdevTbranch; /* equation number of branch equation added for cktTemp source */
double VDMOSm; /* parallel device multiplier */
@ -229,8 +229,8 @@ typedef struct sVDMOSinstance {
double *VDMOSTempdPtr;
double *VDIOPosPrimetempPtr;
double *VDMOSDtempPtr;
double *VDMOStempSPtr;
double *VDMOSSTempPtr;
double *VDMOSTempsPtr;
double *VDMOSStempPtr;
double *VDMOSTcasetcasePtr; /* for Rthjc */
double *VDMOSTcasetempPtr;
@ -238,9 +238,9 @@ typedef struct sVDMOSinstance {
double *VDMOSTptpPtr; /* for Rthca */
double *VDMOSTptcasePtr;
double *VDMOSTcasetpPtr;
double *VDMOSCktTcktTPtr; /* for VcktTemp */
double *VDMOSCktTtpPtr;
double *VDMOSTpcktTPtr;
double *VDMOSDevTdevTPtr; /* for VdevTemp */
double *VDMOSDevTtpPtr;
double *VDMOSTpdevTPtr;
#ifdef KLU
BindElement *VDMOSDdBinding ;
@ -287,9 +287,9 @@ typedef struct sVDMOSinstance {
BindElement *VDMOSTptpBinding ;
BindElement *VDMOSTptcaseBinding ;
BindElement *VDMOSTcasetpBinding ;
BindElement *VDMOSCktTcktTBinding ;
BindElement *VDMOSCktTtpBinding ;
BindElement *VDMOSTpcktTBinding ;
BindElement *VDMOSDevTdevTBinding ;
BindElement *VDMOSDevTtpBinding ;
BindElement *VDMOSTpdevTBinding ;
#endif
} VDMOSinstance ;

142
src/spicelib/devices/vdmos/vdmosload.c
View File

@ -57,10 +57,10 @@ VDMOSload(GENmodel *inModel, CKTcircuit *ckt)
int error;
int selfheat;
double rd0T, rd1T, dBeta_dT, dIds_dT;
double rd0T, rd1T, dBeta_dT, dIds_dT=0.0;
double Vrd=0.0, dIth_dVrd=0.0, dIrd_dT=0.0;
double drd0T_dT, drd1T_dT, drd_dT, dgdrain_dT=0.0;
double dIrd_dgdrain;
double drd0T_dT, drd1T_dT, dgdrain_dT=0.0;
double rsT, Vrs=0.0, dIth_dVrs=0.0, dIrs_dT=0.0, dgsource_dT=0.0;
double deldelTemp=0.0, delTemp, delTemp1, Temp, Vds, Vgs;
double ceqqth=0.0;
double GmT, gTtg, gTtdp, gTtt, gTtsp, gcTt=0.0;
@ -270,7 +270,7 @@ VDMOSload(GENmodel *inModel, CKTcircuit *ckt)
}
if (selfheat)
delTemp = DEVlimitlog(delTemp,
*(ckt->CKTstate0 + here->VDMOSdelTemp),30,&Check_th);
*(ckt->CKTstate0 + here->VDMOSdelTemp),10,&Check_th);
else
delTemp = 0.0;
#endif /*NODELIMITING*/
@ -278,7 +278,7 @@ VDMOSload(GENmodel *inModel, CKTcircuit *ckt)
}
if (selfheat) {
Temp = here->VDMOStemp + delTemp;
Temp = delTemp + CONSTCtoK;
VDMOStempUpdate(model, here, Temp, ckt);
} else {
Temp = here->VDMOStemp;
@ -287,17 +287,24 @@ VDMOSload(GENmodel *inModel, CKTcircuit *ckt)
/* Calculate temperature dependent values for self-heating effect */
if (selfheat) {
double TempRatio = Temp / here->VDMOStemp;
Beta = here->VDMOStTransconductance * pow(TempRatio,model->VDMOSmu);
Beta = here->VDMOStTransconductance;
dBeta_dT = Beta * model->VDMOSmu / Temp;
rd0T = here->VDMOSdrainResistance * pow(TempRatio, model->VDMOStexp0);
drd0T_dT = rd0T * model->VDMOStexp0 / Temp;
rd0T = here->VDMOSdrainResistance;
if (model->VDMOStexp0Given)
drd0T_dT = rd0T * model->VDMOStexp0 / Temp;
else
drd0T_dT = model->VDMOSdrainResistance / here->VDMOSm
* (model->VDMOStrd1 + 2 * model->VDMOStrd2 * (Temp - model->VDMOStnom));
rd1T = 0.0;
drd1T_dT = 0.0;
if (model->VDMOSqsGiven) {
rd1T = here->VDMOSqsResistance * pow(TempRatio, model->VDMOStexp1);
rd1T = here->VDMOSqsResistance;
drd1T_dT = rd1T * model->VDMOStexp1 / Temp;
}
rsT = 1 / here->VDMOSsourceConductance;
double drsT_dT = model->VDMOSsourceResistance / here->VDMOSm
* (model->VDMOStrs1 + 2 * model->VDMOStrs2 * (Temp - model->VDMOStnom));
dgsource_dT = -drsT_dT / (rsT*rsT);
} else {
Beta = here->VDMOStTransconductance;
dBeta_dT = 0.0;
@ -307,6 +314,7 @@ VDMOSload(GENmodel *inModel, CKTcircuit *ckt)
drd1T_dT = 0.0;
if (model->VDMOSqsGiven)
rd1T = here->VDMOSqsResistance;
dgsource_dT = 0.0;
}
/*
@ -359,25 +367,37 @@ VDMOSload(GENmodel *inModel, CKTcircuit *ckt)
double betap = Beta*t0/t1;
double dbetapdvgs = -Beta*theta*t0/(t1*t1);
double dbetapdvds = Beta*lambda/t1;
double dbetapdT = dBeta_dT*t0/t1;
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;
here->VDMOSgm = betap*vgst*dvgstdvgs + 0.5*dbetapdvgs*vgst*vgst;
here->VDMOSgds = .5*dbetapdvds*vgst*vgst;
dIds_dT = dbetapdT * vgst*vgst * .5;
}
else {
/* linear region */
cdrain = betap * vdss * (vgst - .5 * vdss);
here->VDMOSgm = betap*vdss*dvgstdvgs + vdss*dbetapdvgs*(vgst-.5*vdss);
here->VDMOSgds = vdss*dbetapdvds*(vgst-.5*vdss) + betap*mtr*(vgst-.5*vdss) - .5*vdss*betap*mtr;
dIds_dT = dbetapdT * vdss * (vgst - .5 * vdss);
}
if (selfheat) {
double dvgst_dT = model->VDMOStype * model->VDMOStcvth;
double dvdsat_dT = 0.0;
if (vgst > 0) {
dvdsat_dT = dvgst_dT;
}
double dt1_dT = theta * dvdsat_dT;
double dbetap_dT = t0 * (t1 * dBeta_dT - Beta * dt1_dT) / (t1 * t1);
if (vgst <= vdss) {
dIds_dT = .5 * dbetap_dT * vgst*vgst + betap * vgst * dvgst_dT;
}
else {
dIds_dT = vdss * (dbetap_dT * vgst + betap * dvgst_dT) - dbetap_dT * vdss * .5 * vdss;
}
}
}
@ -409,7 +429,7 @@ VDMOSload(GENmodel *inModel, CKTcircuit *ckt)
*(ckt->CKTrhsOld + here->VDMOSdNode) -
*(ckt->CKTrhsOld + here->VDMOSsNode));
double rd = rd0T + rd1T * (vdsn / (vdsn + fabs(model->VDMOSqsVoltage)));
drd_dT = drd0T_dT + drd1T_dT * (vdsn / (vdsn + fabs(model->VDMOSqsVoltage)));
double drd_dT = drd0T_dT + drd1T_dT * (vdsn / (vdsn + fabs(model->VDMOSqsVoltage)));
if (rd > 0) {
here->VDMOSdrainConductance = 1 / rd + ckt->CKTgmin;
dgdrain_dT = -drd_dT / (rd*rd);
@ -442,10 +462,16 @@ VDMOSload(GENmodel *inModel, CKTcircuit *ckt)
- here->VDMOSgtempT * delTemp;
Vrd = *(ckt->CKTrhsOld + here->VDMOSdNode) - *(ckt->CKTrhsOld + here->VDMOSdNodePrime);
dIth_dVrd = here->VDMOSdrainConductance * Vrd;
dIrd_dgdrain = Vrd;
dIth_dVrd = here->VDMOSdrainConductance * 2 * Vrd;
double dIrd_dgdrain = Vrd;
dIrd_dT = dIrd_dgdrain * dgdrain_dT;
here->VDMOScth += here->VDMOSdrainConductance * Vrd*Vrd - dIth_dVrd*Vrd - dIrd_dT*Vrd*delTemp;
Vrs = *(ckt->CKTrhsOld + here->VDMOSsNode) - *(ckt->CKTrhsOld + here->VDMOSsNodePrime);
dIth_dVrs = here->VDMOSsourceConductance * 2 * Vrs;
double dIrs_dgsource = Vrs;
dIrs_dT = dIrs_dgsource * dgsource_dT;
here->VDMOScth += here->VDMOSsourceConductance * Vrs*Vrs - dIth_dVrs*Vrs - dIrs_dT*Vrs*delTemp;
}
/*
@ -466,8 +492,11 @@ VDMOSload(GENmodel *inModel, CKTcircuit *ckt)
DevCapVDMOS(vgd, cgdmin, cgdmax, a, cgs,
(ckt->CKTstate0 + here->VDMOScapgs),
(ckt->CKTstate0 + here->VDMOScapgd));
// Everything is computed for m parallel instances... so scale cthj accordingly
*(ckt->CKTstate0 + here->VDMOScapth) = here->VDMOSm * model->VDMOScthj; /* always constant */
/* Everything is computed for m parallel instances... so scale cthj accordingly
* Also, take into account Meyer numerical integration style and
* halve the value of cthj that gets stored in the state.
*/
*(ckt->CKTstate0 + here->VDMOScapth) = here->VDMOSm * model->VDMOScthj / 2; /* always constant */
vgs1 = *(ckt->CKTstate1 + here->VDMOSvgs);
vgd1 = vgs1 - *(ckt->CKTstate1 + here->VDMOSvds);
@ -550,8 +579,6 @@ bypass:
{
error = NIintegrate(ckt, &gcTt, &ceqqth, capth, here->VDMOSqth);
if (error) return(error);
ceqqth = ceqqth - gcTt*delTemp + ckt->CKTag[0] *
*(ckt->CKTstate0 + here->VDMOSqth);
}
}
@ -598,15 +625,18 @@ bypass:
*(ckt->CKTrhs + here->VDMOSsNodePrime) += cdreq + model->VDMOStype * ceqgs;
if (selfheat) {
*(ckt->CKTrhs + here->VDMOSdNode) += dIrd_dT * delTemp;
*(ckt->CKTrhs + here->VDMOSsNode) += dIrs_dT * delTemp;
*(ckt->CKTrhs + here->VDMOSdNodePrime) += GmT * delTemp - dIrd_dT * delTemp;
*(ckt->CKTrhs + here->VDMOSsNodePrime) += -GmT * delTemp;
*(ckt->CKTrhs + here->VDMOSsNodePrime) += -GmT * delTemp - dIrs_dT * delTemp;
*(ckt->CKTrhs + here->VDMOStempNode) += here->VDMOScth - ceqqth;
double vCktTemp = (ckt->CKTtemp-CONSTCtoK); /* ckt temperature */
double vDevTemp = (ckt->CKTtemp-CONSTCtoK); /* ckt temperature */
if (here->VDMOStempGiven)
vDevTemp = (here->VDMOStemp-CONSTCtoK); /* device temperature */
if (ckt->CKTmode & MODETRANOP)
vCktTemp *= ckt->CKTsrcFact;
*(ckt->CKTrhs + here->VDMOSvcktTbranch)+= vCktTemp;
vDevTemp *= ckt->CKTsrcFact;
*(ckt->CKTrhs + here->VDMOSvdevTbranch)+= vDevTemp;
}
/*
* load y matrix
*/
@ -641,26 +671,28 @@ bypass:
if (selfheat)
{
// Everything is computed for m parallel instances... so scale gthjc and gthja accordingly
/* Everything is computed for m parallel instances... so scale gthjc and gthja accordingly
*/
double gthjc = here->VDMOSm / model->VDMOSrthjc;
double gthca = here->VDMOSm / model->VDMOSrthca;
(*(here->VDMOSDtempPtr) += dIrd_dT);
(*(here->VDMOSDPtempPtr) += GmT - dIrd_dT);
(*(here->VDMOSSPtempPtr) += -GmT);
(*(here->VDMOSGPtempPtr) += 0.0);
(*(here->VDMOSTemptempPtr) += -gTtt - dIrd_dT*Vrd + gthjc + gcTt);
(*(here->VDMOSStempPtr) += dIrs_dT);
(*(here->VDMOSSPtempPtr) += -GmT - dIrs_dT);
(*(here->VDMOSTemptempPtr) += -gTtt - dIrd_dT*Vrd - dIrs_dT*Vrs + gthjc + gcTt);
(*(here->VDMOSTempgpPtr) += -gTtg);
(*(here->VDMOSTempdPtr) += -dIth_dVrd);
(*(here->VDMOSTempsPtr) += -dIth_dVrs);
(*(here->VDMOSTempdpPtr) += -gTtdp + dIth_dVrd);
(*(here->VDMOSTempspPtr) += -gTtsp);
(*(here->VDMOSTempspPtr) += -gTtsp + dIth_dVrs);
(*(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);
(*(here->VDMOSDevTtpPtr) += 1.0);
(*(here->VDMOSTpdevTPtr) += 1.0);
}
/* body diode model
@ -672,18 +704,18 @@ bypass:
double vtebrk, vbrknp;
double cdb, cdeq;
double capd;
double gd, gdb, gspr;
double gd, gdb, gbpr;
double delvd; /* change in diode voltage temporary */
double evrev;
double Ith=0.0, dIth_dT=0.0;
double dIdio_dT=0.0, dIth_dVdio=0.0;
double vrs=0.0, dIrs_dT=0.0, dIth_dVrs=0.0;
double vrb=0.0, dIrb_dT=0.0, dIth_dVrb=0.0;
#ifndef NOBYPASS
double tol; /* temporary for tolerance calculations */
#endif
gspr = here->VDIOtConductance;
gbpr = here->VDIOtConductance;
vt = CONSTKoverQ * Temp;
vte = model->VDIOn * vt;
@ -878,18 +910,18 @@ bypass:
load:
#endif
if (selfheat) {
double dIrs_dgspr, dIth_dIrs;
vrs = *(ckt->CKTrhsOld + here->VDMOSsNode) - *(ckt->CKTrhsOld + here->VDIOposPrimeNode);
double dIrb_dgbpr, dIth_dIrb;
vrb = *(ckt->CKTrhsOld + here->VDMOSsNode) - *(ckt->CKTrhsOld + here->VDIOposPrimeNode);
Ith = vd*cd + vrs*vrs*gspr;
Ith = vd*cd + vrb*vrb*gbpr;
dIth_dVdio = cd + vd*gd;
dIth_dVrs = vrs*gspr;
dIth_dVrb = vrb*gbpr;
dIrs_dgspr = vrs;
dIrs_dT = dIrs_dgspr * here->VDIOtConductance_dT;
dIth_dIrs = vrs;
dIth_dT = dIth_dIrs*dIrs_dT + dIdio_dT*vd;
dIrb_dgbpr = vrb;
dIrb_dT = dIrb_dgbpr * here->VDIOtConductance_dT;
dIth_dIrb = vrb;
dIth_dT = dIth_dIrb*dIrb_dT + dIdio_dT*vd;
}
/*
* load current vector
@ -903,28 +935,28 @@ load:
*(ckt->CKTrhs + here->VDIOposPrimeNode) += cdeq;
}
if (selfheat) {
*(ckt->CKTrhs + here->VDIOposPrimeNode) += dIdio_dT*delTemp - dIrs_dT*delTemp;
*(ckt->CKTrhs + here->VDIOposPrimeNode) += dIdio_dT*delTemp - dIrb_dT*delTemp;
*(ckt->CKTrhs + here->VDMOSdNode) += -dIdio_dT*delTemp;
*(ckt->CKTrhs + here->VDMOSsNode) += dIrs_dT*delTemp;
*(ckt->CKTrhs + here->VDMOStempNode) += Ith - model->VDMOStype*dIth_dVdio*vd - dIth_dVrs*vrs - dIth_dT*delTemp;
*(ckt->CKTrhs + here->VDMOSsNode) += dIrb_dT*delTemp;
*(ckt->CKTrhs + here->VDMOStempNode) += Ith - model->VDMOStype*dIth_dVdio*vd - dIth_dVrb*vrb - dIth_dT*delTemp;
}
/*
* load matrix
*/
*(here->VDMOSSsPtr) += gspr;
*(here->VDMOSSsPtr) += gbpr;
*(here->VDMOSDdPtr) += gd;
*(here->VDIORPrpPtr) += (gd + gspr);
*(here->VDIOSrpPtr) -= gspr;
*(here->VDIORPrpPtr) += (gd + gbpr);
*(here->VDIOSrpPtr) -= gbpr;
*(here->VDIODrpPtr) -= gd;
*(here->VDIORPsPtr) -= gspr;
*(here->VDIORPsPtr) -= gbpr;
*(here->VDIORPdPtr) -= gd;
if (selfheat) {
(*(here->VDMOStempSPtr) += -dIth_dVrs);
(*(here->VDIOTempposPrimePtr) += -dIth_dVdio + dIth_dVrs);
(*(here->VDMOSTempsPtr) += -dIth_dVrb);
(*(here->VDIOTempposPrimePtr) += -dIth_dVdio + dIth_dVrb);
(*(here->VDMOSTempdPtr) += dIth_dVdio);
(*(here->VDMOSTemptempPtr) += -dIth_dT);
(*(here->VDIOPosPrimetempPtr) += dIdio_dT - dIrs_dT);
(*(here->VDMOSSTempPtr) += dIrs_dT);
(*(here->VDIOPosPrimetempPtr) += dIdio_dT - dIrb_dT);
(*(here->VDMOSStempPtr) += dIrb_dT);
(*(here->VDMOSDtempPtr) += -dIdio_dT);
}
}

22
src/spicelib/devices/vdmos/vdmosset.c
View File

@ -416,10 +416,10 @@ VDMOSsetup(SMPmatrix *matrix, GENmodel *inModel, CKTcircuit *ckt,
if (error) return(error);
here->VDMOStcaseNode = tmp->number;
}
if(here->VDMOSvcktTbranch == 0) {
error = CKTmkCur(ckt,&tmp,here->VDMOSname,"VcktTemp");
if(here->VDMOSvdevTbranch == 0) {
error = CKTmkCur(ckt,&tmp,here->VDMOSname,"VdevTemp");
if(error) return(error);
here->VDMOSvcktTbranch = tmp->number;
here->VDMOSvdevTbranch = tmp->number;
}
if (here->VDMOStNodePrime == 0) {
error = CKTmkVolt(ckt, &tmp, here->VDMOSname, "cktTemp");
@ -479,8 +479,8 @@ do { if((here->ptr = SMPmakeElt(matrix, here->first, here->second)) == NULL){\
TSTALLOC(VDMOSTempdPtr, VDMOStempNode, VDMOSdNode);
TSTALLOC(VDIOPosPrimetempPtr, VDIOposPrimeNode, VDMOStempNode);
TSTALLOC(VDMOSDtempPtr, VDMOSdNode, VDMOStempNode);
TSTALLOC(VDMOStempSPtr, VDMOStempNode, VDMOSsNode);
TSTALLOC(VDMOSSTempPtr, VDMOSsNode, VDMOStempNode);
TSTALLOC(VDMOSTempsPtr, VDMOStempNode, VDMOSsNode);
TSTALLOC(VDMOSStempPtr, VDMOSsNode, VDMOStempNode);
TSTALLOC(VDMOSTcasetcasePtr, VDMOStcaseNode, VDMOStcaseNode); /* Rthjc between tj and tcase*/
TSTALLOC(VDMOSTcasetempPtr, VDMOStcaseNode, VDMOStempNode);
@ -488,9 +488,9 @@ do { if((here->ptr = SMPmakeElt(matrix, here->first, here->second)) == NULL){\
TSTALLOC(VDMOSTptpPtr, VDMOStNodePrime, VDMOStNodePrime); /* Rthca between tcase and Vsrc */
TSTALLOC(VDMOSTptcasePtr, VDMOStNodePrime, VDMOStcaseNode);
TSTALLOC(VDMOSTcasetpPtr, VDMOStcaseNode, VDMOStNodePrime);
TSTALLOC(VDMOSCktTcktTPtr, VDMOSvcktTbranch, VDMOSvcktTbranch); /* Vsrc=cktTemp to gnd */
TSTALLOC(VDMOSCktTtpPtr, VDMOSvcktTbranch, VDMOStNodePrime);
TSTALLOC(VDMOSTpcktTPtr, VDMOStNodePrime, VDMOSvcktTbranch);
TSTALLOC(VDMOSDevTdevTPtr, VDMOSvdevTbranch, VDMOSvdevTbranch); /* Vsrc=cktTemp to gnd */
TSTALLOC(VDMOSDevTtpPtr, VDMOSvdevTbranch, VDMOStNodePrime);
TSTALLOC(VDMOSTpdevTPtr, VDMOStNodePrime, VDMOSvdevTbranch);
}
}
}
@ -533,9 +533,9 @@ VDMOSunsetup(GENmodel *inModel, CKTcircuit *ckt)
if (here->VDMOStNodePrime > 0)
CKTdltNNum(ckt, here->VDMOStNodePrime);
here->VDMOStNodePrime = 0;
if (here->VDMOSvcktTbranch > 0)
CKTdltNNum(ckt, here->VDMOSvcktTbranch);
here->VDMOSvcktTbranch = 0;
if (here->VDMOSvdevTbranch > 0)
CKTdltNNum(ckt, here->VDMOSvdevTbranch);
here->VDMOSvdevTbranch = 0;
}
}