diff --git a/src/spicelib/devices/bsim4v6/Makefile.am b/src/spicelib/devices/bsim4v6/Makefile.am
index 0815d57eb..ad03052c0 100644
--- a/src/spicelib/devices/bsim4v6/Makefile.am
+++ b/src/spicelib/devices/bsim4v6/Makefile.am
@@ -20,6 +20,7 @@ libbsim4v6_la_SOURCES = \
b4v6par.c \
b4v6pzld.c \
b4v6set.c \
+ b4v6soachk.c \
b4v6temp.c \
b4v6trunc.c \
bsim4v6def.h \
diff --git a/src/spicelib/devices/bsim4v6/b4v6.c b/src/spicelib/devices/bsim4v6/b4v6.c
index acb95ab00..7c0c8d2b0 100644
--- a/src/spicelib/devices/bsim4v6/b4v6.c
+++ b/src/spicelib/devices/bsim4v6/b4v6.c
@@ -974,6 +974,13 @@ IOP( "ef", BSIM4v6_MOD_EF, IF_REAL, "Flicker noise frequency exponent"),
IOP( "af", BSIM4v6_MOD_AF, IF_REAL, "Flicker noise exponent"),
IOP( "kf", BSIM4v6_MOD_KF, IF_REAL, "Flicker noise coefficient"),
+IOP("vgs_max", BSIM4v6_MOD_VGS_MAX, IF_REAL, "maximum voltage G-S branch"),
+IOP("vgd_max", BSIM4v6_MOD_VGD_MAX, IF_REAL, "maximum voltage G-D branch"),
+IOP("vgb_max", BSIM4v6_MOD_VGB_MAX, IF_REAL, "maximum voltage G-B branch"),
+IOP("vds_max", BSIM4v6_MOD_VDS_MAX, IF_REAL, "maximum voltage D-S branch"),
+IOP("vbs_max", BSIM4v6_MOD_VBS_MAX, IF_REAL, "maximum voltage B-S branch"),
+IOP("vbd_max", BSIM4v6_MOD_VBD_MAX, IF_REAL, "maximum voltage B-D branch"),
+
IP( "nmos", BSIM4v6_MOD_NMOS, IF_FLAG, "Flag to indicate NMOS"),
IP( "pmos", BSIM4v6_MOD_PMOS, IF_FLAG, "Flag to indicate PMOS"),
};
diff --git a/src/spicelib/devices/bsim4v6/b4v6mask.c b/src/spicelib/devices/bsim4v6/b4v6mask.c
index 39bb05a0a..72175e747 100644
--- a/src/spicelib/devices/bsim4v6/b4v6mask.c
+++ b/src/spicelib/devices/bsim4v6/b4v6mask.c
@@ -2489,6 +2489,26 @@ IFvalue *value)
case BSIM4v6_MOD_KF:
value->rValue = model->BSIM4v6kf;
return(OK);
+
+ case BSIM4v6_MOD_VGS_MAX:
+ value->rValue = model->BSIM4v6vgsMax;
+ return(OK);
+ case BSIM4v6_MOD_VGD_MAX:
+ value->rValue = model->BSIM4v6vgdMax;
+ return(OK);
+ case BSIM4v6_MOD_VGB_MAX:
+ value->rValue = model->BSIM4v6vgbMax;
+ return(OK);
+ case BSIM4v6_MOD_VDS_MAX:
+ value->rValue = model->BSIM4v6vdsMax;
+ return(OK);
+ case BSIM4v6_MOD_VBS_MAX:
+ value->rValue = model->BSIM4v6vbsMax;
+ return(OK);
+ case BSIM4v6_MOD_VBD_MAX:
+ value->rValue = model->BSIM4v6vbdMax;
+ return(OK);
+
default:
return(E_BADPARM);
}
diff --git a/src/spicelib/devices/bsim4v6/b4v6mpar.c b/src/spicelib/devices/bsim4v6/b4v6mpar.c
index 181139846..25faa22d8 100644
--- a/src/spicelib/devices/bsim4v6/b4v6mpar.c
+++ b/src/spicelib/devices/bsim4v6/b4v6mpar.c
@@ -3377,6 +3377,31 @@ GENmodel *inMod)
mod->BSIM4v6kf = value->rValue;
mod->BSIM4v6kfGiven = TRUE;
break;
+ case BSIM4v6_MOD_VGS_MAX:
+ mod->BSIM4v6vgsMax = value->rValue;
+ mod->BSIM4v6vgsMaxGiven = TRUE;
+ break;
+ case BSIM4v6_MOD_VGD_MAX:
+ mod->BSIM4v6vgdMax = value->rValue;
+ mod->BSIM4v6vgdMaxGiven = TRUE;
+ break;
+ case BSIM4v6_MOD_VGB_MAX:
+ mod->BSIM4v6vgbMax = value->rValue;
+ mod->BSIM4v6vgbMaxGiven = TRUE;
+ break;
+ case BSIM4v6_MOD_VDS_MAX:
+ mod->BSIM4v6vdsMax = value->rValue;
+ mod->BSIM4v6vdsMaxGiven = TRUE;
+ break;
+ case BSIM4v6_MOD_VBS_MAX:
+ mod->BSIM4v6vbsMax = value->rValue;
+ mod->BSIM4v6vbsMaxGiven = TRUE;
+ break;
+ case BSIM4v6_MOD_VBD_MAX:
+ mod->BSIM4v6vbdMax = value->rValue;
+ mod->BSIM4v6vbdMaxGiven = TRUE;
+ break;
+
case BSIM4v6_MOD_NMOS :
if(value->iValue) {
mod->BSIM4v6type = 1;
diff --git a/src/spicelib/devices/bsim4v6/b4v6set.c b/src/spicelib/devices/bsim4v6/b4v6set.c
index 93e573eaf..e7b5682b1 100644
--- a/src/spicelib/devices/bsim4v6/b4v6set.c
+++ b/src/spicelib/devices/bsim4v6/b4v6set.c
@@ -1937,6 +1937,19 @@ BSIM4v6instance **InstArray;
if (!model->BSIM4v6kfGiven)
model->BSIM4v6kf = 0.0;
+ if (!model->BSIM4v6vgsMaxGiven)
+ model->BSIM4v6vgsMax = 1e99;
+ if (!model->BSIM4v6vgdMaxGiven)
+ model->BSIM4v6vgdMax = 1e99;
+ if (!model->BSIM4v6vgbMaxGiven)
+ model->BSIM4v6vgbMax = 1e99;
+ if (!model->BSIM4v6vdsMaxGiven)
+ model->BSIM4v6vdsMax = 1e99;
+ if (!model->BSIM4v6vbsMaxGiven)
+ model->BSIM4v6vbsMax = 1e99;
+ if (!model->BSIM4v6vbdMaxGiven)
+ model->BSIM4v6vbdMax = 1e99;
+
/* stress effect */
if (!model->BSIM4v6sarefGiven)
model->BSIM4v6saref = 1e-6; /* m */
diff --git a/src/spicelib/devices/bsim4v6/b4v6soachk.c b/src/spicelib/devices/bsim4v6/b4v6soachk.c
new file mode 100644
index 000000000..69dc14a07
--- /dev/null
+++ b/src/spicelib/devices/bsim4v6/b4v6soachk.c
@@ -0,0 +1,110 @@
+/**********
+Copyright 2013 Dietmar Warning. All rights reserved.
+Author: 2013 Dietmar Warning
+**********/
+
+#include "ngspice/ngspice.h"
+#include "ngspice/cktdefs.h"
+#include "bsim4v6def.h"
+#include "ngspice/trandefs.h"
+#include "ngspice/sperror.h"
+#include "ngspice/suffix.h"
+#include "ngspice/cpdefs.h"
+
+
+int
+BSIM4v6soaCheck(CKTcircuit *ckt, GENmodel *inModel)
+{
+ BSIM4v6model *model = (BSIM4v6model *) inModel;
+ BSIM4v6instance *here;
+ double vgs, vgd, vgb, vds, vbs, vbd; /* actual mos voltages */
+ int maxwarns;
+ static int warns_vgs = 0, warns_vgd = 0, warns_vgb = 0, warns_vds = 0, warns_vbs = 0, warns_vbd = 0;
+
+ if (!ckt) {
+ warns_vgs = 0;
+ warns_vgd = 0;
+ warns_vgb = 0;
+ warns_vds = 0;
+ warns_vbs = 0;
+ warns_vbd = 0;
+ return OK;
+ }
+
+ maxwarns = ckt->CKTsoaMaxWarns;
+
+ for (; model; model = model->BSIM4v6nextModel) {
+
+ for (here = model->BSIM4v6instances; here; here = here->BSIM4v6nextInstance) {
+
+ vgs = fabs(ckt->CKTrhsOld [here->BSIM4v6gNodePrime] -
+ ckt->CKTrhsOld [here->BSIM4v6sNodePrime]);
+
+ vgd = fabs(ckt->CKTrhsOld [here->BSIM4v6gNodePrime] -
+ ckt->CKTrhsOld [here->BSIM4v6dNodePrime]);
+
+ vgb = fabs(ckt->CKTrhsOld [here->BSIM4v6gNodePrime] -
+ ckt->CKTrhsOld [here->BSIM4v6bNodePrime]);
+
+ vds = fabs(ckt->CKTrhsOld [here->BSIM4v6dNodePrime] -
+ ckt->CKTrhsOld [here->BSIM4v6sNodePrime]);
+
+ vbs = fabs(ckt->CKTrhsOld [here->BSIM4v6bNodePrime] -
+ ckt->CKTrhsOld [here->BSIM4v6sNodePrime]);
+
+ vbd = fabs(ckt->CKTrhsOld [here->BSIM4v6bNodePrime] -
+ ckt->CKTrhsOld [here->BSIM4v6dNodePrime]);
+
+ if (vgs > model->BSIM4v6vgsMax)
+ if (warns_vgs < maxwarns) {
+ soa_printf(ckt, (GENinstance*) here,
+ "|Vgs|=%g has exceeded Vgs_max=%g\n",
+ vgs, model->BSIM4v6vgsMax);
+ warns_vgs++;
+ }
+
+ if (vgd > model->BSIM4v6vgdMax)
+ if (warns_vgd < maxwarns) {
+ soa_printf(ckt, (GENinstance*) here,
+ "|Vgd|=%g has exceeded Vgd_max=%g\n",
+ vgd, model->BSIM4v6vgdMax);
+ warns_vgd++;
+ }
+
+ if (vgb > model->BSIM4v6vgbMax)
+ if (warns_vgb < maxwarns) {
+ soa_printf(ckt, (GENinstance*) here,
+ "|Vgb|=%g has exceeded Vgb_max=%g\n",
+ vgb, model->BSIM4v6vgbMax);
+ warns_vgb++;
+ }
+
+ if (vds > model->BSIM4v6vdsMax)
+ if (warns_vds < maxwarns) {
+ soa_printf(ckt, (GENinstance*) here,
+ "|Vds|=%g has exceeded Vds_max=%g\n",
+ vds, model->BSIM4v6vdsMax);
+ warns_vds++;
+ }
+
+ if (vbs > model->BSIM4v6vbsMax)
+ if (warns_vbs < maxwarns) {
+ soa_printf(ckt, (GENinstance*) here,
+ "|Vbs|=%g has exceeded Vbs_max=%g\n",
+ vbs, model->BSIM4v6vbsMax);
+ warns_vbs++;
+ }
+
+ if (vbd > model->BSIM4v6vbdMax)
+ if (warns_vbd < maxwarns) {
+ soa_printf(ckt, (GENinstance*) here,
+ "|Vbd|=%g has exceeded Vbd_max=%g\n",
+ vbd, model->BSIM4v6vbdMax);
+ warns_vbd++;
+ }
+
+ }
+ }
+
+ return OK;
+}
diff --git a/src/spicelib/devices/bsim4v6/bsim4v6def.h b/src/spicelib/devices/bsim4v6/bsim4v6def.h
index fc0900441..8e522bd73 100644
--- a/src/spicelib/devices/bsim4v6/bsim4v6def.h
+++ b/src/spicelib/devices/bsim4v6/bsim4v6def.h
@@ -1692,6 +1692,13 @@ typedef struct sBSIM4v6model
double BSIM4v6af;
double BSIM4v6kf;
+ double BSIM4v6vgsMax;
+ double BSIM4v6vgdMax;
+ double BSIM4v6vgbMax;
+ double BSIM4v6vdsMax;
+ double BSIM4v6vbsMax;
+ double BSIM4v6vbdMax;
+
struct bsim4v6SizeDependParam *pSizeDependParamKnot;
@@ -2493,6 +2500,13 @@ typedef struct sBSIM4v6model
unsigned BSIM4v6afGiven :1;
unsigned BSIM4v6kfGiven :1;
+ unsigned BSIM4v6vgsMaxGiven :1;
+ unsigned BSIM4v6vgdMaxGiven :1;
+ unsigned BSIM4v6vgbMaxGiven :1;
+ unsigned BSIM4v6vdsMaxGiven :1;
+ unsigned BSIM4v6vbsMaxGiven :1;
+ unsigned BSIM4v6vbdMaxGiven :1;
+
unsigned BSIM4v6LintGiven :1;
unsigned BSIM4v6LlGiven :1;
unsigned BSIM4v6LlcGiven :1;
@@ -3546,6 +3560,13 @@ typedef struct sBSIM4v6model
#define BSIM4v6_MOD_TNJTSSWD 1254
#define BSIM4v6_MOD_TNJTSSWGD 1255
+#define BSIM4v6_MOD_VGS_MAX 1301
+#define BSIM4v6_MOD_VGD_MAX 1302
+#define BSIM4v6_MOD_VGB_MAX 1303
+#define BSIM4v6_MOD_VDS_MAX 1304
+#define BSIM4v6_MOD_VBS_MAX 1305
+#define BSIM4v6_MOD_VBD_MAX 1306
+
#include "bsim4v6ext.h"
extern void BSIM4v6evaluate(double,double,double,BSIM4v6instance*,BSIM4v6model*,
diff --git a/src/spicelib/devices/bsim4v6/bsim4v6ext.h b/src/spicelib/devices/bsim4v6/bsim4v6ext.h
index c78426430..c08a6b9b9 100644
--- a/src/spicelib/devices/bsim4v6/bsim4v6ext.h
+++ b/src/spicelib/devices/bsim4v6/bsim4v6ext.h
@@ -28,3 +28,4 @@ extern int BSIM4v6temp(GENmodel*,CKTcircuit*);
extern int BSIM4v6trunc(GENmodel*,CKTcircuit*,double*);
extern int BSIM4v6noise(int,int,GENmodel*,CKTcircuit*,Ndata*,double*);
extern int BSIM4v6unsetup(GENmodel*,CKTcircuit*);
+extern int BSIM4v6soaCheck(CKTcircuit *, GENmodel *);
diff --git a/src/spicelib/devices/bsim4v6/bsim4v6init.c b/src/spicelib/devices/bsim4v6/bsim4v6init.c
index 05f49a494..28cd3e28a 100644
--- a/src/spicelib/devices/bsim4v6/bsim4v6init.c
+++ b/src/spicelib/devices/bsim4v6/bsim4v6init.c
@@ -67,7 +67,7 @@ SPICEdev BSIM4v6info = {
NULL, /* DEVsenTrunc */
NULL, /* DEVdisto */
BSIM4v6noise, /* DEVnoise */
- NULL, /* DEVsoaCheck */
+ BSIM4v6soaCheck,/* DEVsoaCheck */
#ifdef CIDER
NULL, /* DEVdump */
NULL, /* DEVacct */
diff --git a/visualc/vngspice.vcproj b/visualc/vngspice.vcproj
index 8b79e4940..feec3a5f0 100644
--- a/visualc/vngspice.vcproj
+++ b/visualc/vngspice.vcproj
@@ -4296,6 +4296,10 @@
RelativePath="..\src\spicelib\devices\bsim4v6\b4v6set.c"
>
+
+