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* PSpice Model Editor - Version 17.2-2016
*$
* TPS7A20_ADJ
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* (C) Copyright 2020 Texas Instruments Incorporated. All rights reserved.
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** This model is designed as an aid for customers of Texas Instruments.
** TI and its licensors and suppliers make no warranties, either expressed
** or implied, with respect to this model, including the warranties of
** merchantability or fitness for a particular purpose. The model is
** provided solely on an "as is" basis. The entire risk as to its quality
** and performance is with the customer.
*****************************************************************************
*
* This model is subject to change without notice. Texas Instruments
* Incorporated is not responsible for updating this model.
*
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*
** Released by: WEBENCH Design Center, Texas Instruments Inc.
* Part: TPS7A20_ADJ
* Date: 21JAN2020
* Model Type: Transient
* Simulator: PSPICE
* Simulator Version: 17.2-2016 S050
* EVM Order Number:
* EVM Users Guide:
* Datasheet: SBVS338 �AUGUST 2019
*
*
* Model Version: Final 1.00
*
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*
* Updates:
*
* Final 1.00
* Release to Web
*
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*
* Model Usage Notes:
*
* 1. The following features have been modeled
* a. Start-up time
* b. PSSR
* c. Enable/VIN shutdown
* d. Load and line transients
* e. Internal current limit
* f. Model supports inverting topology.
*
*
* 2. Temperature effects & Ground/quiescent current have not been modeled.
*
*****************************************************************************
*$
.SUBCKT TPS7A20_ADJ_TRANS VIN GND EN N_C VOUT
V_V2 N15528889 VOUT 0Vdc
C_C6 GND N15505691 20n
X_F1 VZZ N15505639 N15505691 VYY TPS7A20_ADJ_F1
V_V5 VIN N15505717 0Vdc
E_E14 N15738584 GND VALUE { V(N15738829, 0) }
C_U1_C3 GND N15505751 1n
X_U1_U2 VIN_PRE U1_N15850660 U1_N158505703 U1_VIN_OK COMPHYS_BASIC_GEN
+ PARAMS: VDD=1 VSS=0 VTHRESH=0.5
V_U1_V6 U1_N15496735 0 0.92V
V_U1_V3 U1_N158505703 0 0.025
E_U1_E2 U1_DROP 0 TABLE { V(ISENSE, 0) }
+ ( (0,62.7m)(1m,71.2m)(6m,74.1m)(25m,75.046m)(250m,88m)(300m,101.41m) )
E_U1_ABM8 EN_OK 0 VALUE { IF(V(U1_N15545135) >=0.5,1,0) }
X_U1_U4 U1_N15545135 U1_EN_PRE d_d PARAMS:
V_U1_V4 U1_N15850660 0 1.325
R_U1_R3 U1_N15850670 U1_N15488381 {3.333e5*SQRT(TTRN)} TC=0,0
C_U1_C1 0 U1_N15488381 {1e-6*SQRT(TTRN)}
X_U1_U1 EN_INT U1_N15496735 U1_N154966513 U1_EN_PRE COMPHYS_BASIC_GEN
+ PARAMS: VDD=1 VSS=0 VTHRESH=0.5
R_U1_R4 U1_N15488775 U1_N15488397 10 TC=0,0
E_U1_E4 U1_N154887931 GND VALUE { V(U1_N15846152, 0) }
V_U1_V5 U1_N154966513 0 0.025
R_U1_R2 GND U1_N15488397 1G
C_U1_C2 0 U1_N15488397 1n
E_U1_ABM6 U1_N15850670 0 VALUE { IF(V(U1_VIN_OK)> 0.6 & V(EN_OK) > 0.6,
+ {VREF}, 0) }
E_U1_ABM5 U1_N15846152 0 VALUE { MIN(V(U1_N15488397),
+ MAX(V(VIN_PRE) - V(U1_DROP), 0)) }
R_U1_R5 U1_N154887931 N15505751 10 TC=0,0
R_U1_R9 U1_EN_PRE U1_N15545135 {30u/(0.7*1n)} TC=0,0
E_U1_ABM4 U1_N15488775 0 VALUE { V(U1_N15488381)
+ * (ABS(V(N15506031)) + 1e-6)
+ / (ABS(V(V_FBK)) + 1e-6) }
C_U1_C5 0 U1_N15545135 1n TC=0,0
R_U1_R1 GND U1_N15488381 1G
E_E6 VIN_PRE 0 VALUE { V(VIN, GND) }
* ENABLE RESISTOR SHOULD BE 500k
R_R15 GND EN 500e3 TC=0,0
X_S1 LOAD_DIS GND N15518026 GND TPS7A20_ADJ_S1
V_V4 N15505647 VOUT_INT 0Vdc
E_E16 N15506031 0 VALUE { V(VOUT_INT, GND) }
V_V3 N15528889 N15518026 0Vdc
R_R14 0 N_C 100MEG TC=0,0
R_R1 VXX N15505691 {RINP}
X_H1 N15505639 N15505647 ISENSE 0 TPS7A20_ADJ_H1
R_R13 LOAD_DIS N157842371 1 TC=0,0
X_S4 EN_OK 0 N15505717 N15505691 TPS7A20_ADJ_S4
E_ABM1 N15738829 0 VALUE { MIN(V(N15735226), (V(Vzz_INT)+(ILIM*ROUT)))
+ }
R_R2 N15505751 VXX {PSRR*RINP}
C_C8 0 LOAD_DIS 1n TC=0,0
E_E5 EN_INT 0 VALUE { V(EN, GND) }
R_R3 GND FB {Rbottom}
C_C1 VXX N15505691 {1/(6.28*RINP*POLE)}
E_ABM3 N157842371 0 VALUE { IF(V(EN_OK)<0.5,1,0) }
E_E13 N15735226 0 VALUE { V(VXX, GND) }
R_R6 N15738584 VYY 1 TC=0,0
R_R4 FB VOUT_INT {RTOP}
X_S2 LOAD_DIS 0 N15528889 VOUT_INT TPS7A20_ADJ_S2
C_C2 VXX N15505751 {1/(6.28*PSRR*RINP*ZERO*1)}
R_R10 0 N_C 100MEG TC=0,0
R_R5 VZZ VYY {ROUT}
E_E11 V_FBK 0 VALUE { V(FB, GND) }
C_C3 GND VYY 1n
E_E15 VZZ_INT 0 VALUE { V(VZZ, GND) }
*EDIT OF THE ORIGINAL NETLIST...
.PARAM V_out=5
.PARAM rtop=3e6 psrr=178u rbottom={(3e6)/((V_out/0.8)-1)} ilim=520m ven=0.92 pole=10k
+ zero=1Meg rinp=1e12 ttrn=750u rout=57.7m vref=0.8
.ENDS
*$
.subckt TPS7A20_ADJ_F1 1 2 3 4
F_F1 3 4 VF_F1 1
VF_F1 1 2 0V
.ends TPS7A20_ADJ_F1
*$
.subckt TPS7A20_ADJ_S1 1 2 3 4
S_S1 3 4 1 2 _S1
RS_S1 1 2 1G
.MODEL _S1 VSWITCH Roff=1e6 Ron=230 Voff=0.0V Von=1m
.ends TPS7A20_ADJ_S1
*$
.subckt TPS7A20_ADJ_H1 1 2 3 4
H_H1 3 4 VH_H1 1
VH_H1 1 2 0V
.ends TPS7A20_ADJ_H1
*$
.subckt TPS7A20_ADJ_S4 1 2 3 4
S_S4 3 4 1 2 _S4
RS_S4 1 2 1G
.MODEL _S4 VSWITCH Roff=100 Ron=80 Voff=0.4 Von=0.5
.ends TPS7A20_ADJ_S4
*$
.subckt TPS7A20_ADJ_S2 1 2 3 4
S_S2 3 4 1 2 _S2
RS_S2 1 2 1G
.MODEL _S2 VSWITCH Roff=1e-6 Ron=1E6 Voff=0 Von=1m
.ends TPS7A20_ADJ_S2
*$
.SUBCKT COMPHYS_BASIC_GEN INP INM HYS OUT PARAMS: VDD=1 VSS=0 VTHRESH=0.5
EIN INP1 INM1 INP INM 1
EHYS INP1 INP2 VALUE { IF( V(1) > {VTHRESH},-V(HYS),0) }
EOUT OUT 0 VALUE { IF( V(INP2)>V(INM1), {VDD} ,{VSS}) }
R1 OUT 1 1
C1 1 0 5n
RINP1 INP1 0 1K
.ENDS COMPHYS_BASIC_GEN
*$
.subckt d_d 1 2
d1 1 2 dd
.model dd d
+ is=1e-015
+ n=0.01
+ tt=1e-011
.ends d_d
*$