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LMR51420: Convergence error while simulating in PSPICE for TI

Part Number: LMR51420

I am getting the following convergence error while trying to simulate a circuit using LMR51420, that I am unable to resolve 

ERROR(ORPSIM-15138): Convergence problem in Transient Analysis at Time = 348.1E-06.

These voltages failed to converge:

V(BST3) = 9.80V \ 5.800V
V(SW3) = 4.000V \ 100.01e-18V
V(X_U3.SWI) = 4.000V \ 100.01e-18V
V(X_U1.X_EA_U10.INM1) = -225.09mV \ -225.73mV
V(X_U1.EA_I2VSTEAL) = 313.09mV \ 313.73mV
ERROR(ORPSIM-15661): 5 of 5 errors shown. See output file for complete list

These supply currents failed to converge:

I(V_V2) = -1.742mA \ -246.85uA
I(X_U1.V_EA_V22) = 31.13nA \ 31.19nA
I(X_U1.V_V2) = -2.538mA \ -1.863mA
I(X_U2.V_EA_V22) = 1.460nA \ 1.515nA
I(X_U2.V_V2) = -5.514mA \ -5.026mA
ERROR(ORPSIM-15661): 5 of 8 errors shown. See output file for complete list
ERROR(ORPSIM-15660): These devices failed to converge
X_U3.X_Drv_U861.d1
X_U2.G_EA_ABM2I9

Also, I am getting the following warnings.

WARNING(ORPSIM-15256): <X_C6.X> not a subcircuit param
WARNING(ORPSIM-15256): <X_L1.IC> not a subcircuit param
WARNING(ORPSIM-15256): <X_C5.X> not a subcircuit param
WARNING(ORPSIM-15256): <X_C14.X> not a subcircuit param
WARNING(ORPSIM-15256): <X_L2.IC> not a subcircuit param
WARNING(ORPSIM-15256): <X_C13.X> not a subcircuit param
WARNING(ORPSIM-15256): <X_C12.X> not a subcircuit param
WARNING(ORPSIM-15256): <X_C19.X> not a subcircuit param
WARNING(ORPSIM-15256): <X_C20.X> not a subcircuit param
WARNING(ORPSIM-15256): <X_L3.IC> not a subcircuit param

I tried using auto-convergence but then I am getting 0 V for output.

I am attaching the project file. LMR51420.rar

Thanks.