关于pspice仿真不收敛问题，请高手帮忙，务必是高手！

huangdongqiang · 发表于 2022-7-17 18:31:36

仿真错误如下：
  These voltages failed to converge:
V(N16555116)             = -25.83uV  \ -6.774pV
V(N16555108)             = 26.04mV  \ 124.61pV
V(N16554862)             = 131.74mV  \    15.85V
V(N16555104)             = -6.851mV  \ -2.288nV
V(N16555120)             = 26.04mV  \ 124.61pV
V(X_U2.STANDBY)          =    5.000V  \ 62.31mV
V(X_U2.GUVLO)          = 62.31mV  \ 616.88uV
V(X_U2.SS08)             = 26.04mV  \ 1.553pV
V(X_U2.27)             = 63.24uV  \ 21.08nV
V(X_U2.AMP)             = 63.24uV  \ 21.08nV
V(X_U2.75)             =    15.00V  \ 186.91mV
V(X_U2.46)             =    5.000V  \ 62.31mV
V(X_U2.30)             = -6.851mV  \ -28.51pV

  These devices failed to converge:
D_D1    X_U2.X2.D_D10 X_U2.X16.D_D10 X_U2.E_B3 X_U2.E_B23 X_U2.X21.E_B1
X_U2.X_A1.E_ABMGATE X_U2.X_A14.E_ABMGATE X_U2.X_A16x.E_ABMGATE
X_U2.X_A2.E_ABMGATE X_U2.X_A5.E_ABMGATE X_U2.X_A7.E_ABMGATE
X_U2.X_A15.E_ABMGATE X_U2.X_A16.E_ABMGATE X_U2.X_A23.E_ABMGATE
X_U2.X_A24.E_ABMGATE X_U2.X_A26.E_ABMGATE X_U2.XVCO.XU2.E1 X_U2.XVCO.XU3.E1
X_U2.XVCO.XU1.E1 X_U2.X2.X1.E_ABMGATE1 X_U2.X2.X2.E_ABMGATE
X_U2.X16.X1.E_ABMGATE1 X_U2.X16.X2.E_ABMGATE X_U2.G_B4 X_U2.X2.GQ
X_U2.X16.GQ
**** Interrupt ****

你好我是河源人 · 发表于 2022-7-17 18:32:11

--------------- INFO(ORPROBE-3209): Simulation Profile:  SCHEMATIC1-solar 2 ---------------
INFO(ORPROBE-3183): Simulation running...
** Profile: "SCHEMATIC1-solar 2"  [ e:\simulation\lm25ll9-solar 2 output\lm25119-solar 2-pspicefiles\schematic1\solar 2.sim ]
Reading and checking circuit
INFO(ORPSIM-15453): Model X_X3.NMOS: Using BSIM VERSION 3.2
INFO(ORPSIM-15453): Model X_X3.PMOSd: Using BSIM VERSION 3.2
INFO(ORPSIM-15453): Model X_X2.NMOS: Using BSIM VERSION 3.2
INFO(ORPSIM-15453): Model X_X2.PMOSd: Using BSIM VERSION 3.2
INFO(ORPSIM-15453): Model X_X4.NMOS: Using BSIM VERSION 3.2
INFO(ORPSIM-15453): Model X_X1.NMOS: Using BSIM VERSION 3.2
Circuit read in and checked, no errors
DC Analysis
Starting GMIN stepping
Starting pseudo-transient algorithm
Convergence problem in DC sweep

  These voltages failed to converge:

V(N16555116)             = -25.83uV  \ -6.774pV
V(N16555108)             = 26.04mV  \ 124.61pV
V(N16554862)             = 131.74mV  \    15.85V
V(N16555104)             = -6.851mV  \ -2.288nV
V(N16555120)             = 26.04mV  \ 124.61pV
ERROR(ORPSIM-15661): 5 of 5 errors shown. See output file for complete list

  These supply currents failed to converge:

I(X_U2.E_BDembThresh)    = -37.92uA  \ -3.000nA
I(X_U2.E_Bclk2)          = -11.69mA  \ -3.195uA
I(X_U2.X_A13.E_ABMGATE) =  -126.41uA  \ -10.00nA
I(X_U2.X_A8.E_ABMGATE) =  -126.41uA  \ -10.00nA
I(X_U2.X_A10.E_ABMGATE) =  -126.42uA  \ -10.06nA
ERROR(ORPSIM-15661): 5 of 145 errors shown. See output file for complete list
ERROR(ORPSIM-15660): These devices failed to converge
D_D1
X_U2.X2.D_D10
X_U2.X16.D_D10
X_U2.E_B3
X_U2.E_B23
ERROR(ORPSIM-15661): 5 of 5 errors shown. See output file for complete list
INFO(ORPROBE-3185): Simulation paused