Simulation error: expected (possibly empty) sequence of Spice lines followed by an .ends line

bask185 · October 3, 2024, 10:01am

I downloaded a spice model for an LM317 from TI’s website. I haven’t done this before, using a downloaded spice model from a 3rd party site.

When I try to select the .lib file. I get the error message as shown in the title.

Me KiCad version.

Application: KiCad x64 on x64

Version: 8.0.5, release build

Libraries:
	wxWidgets 3.2.5
	FreeType 2.13.2
	HarfBuzz 9.0.0
	FontConfig 2.14.2
	libcurl/8.8.0-DEV Schannel zlib/1.3.1

Platform: Windows 11 (build 22631), 64-bit edition, 64 bit, Little endian, wxMSW
OpenGL: Intel, Intel(R) Iris(R) Xe Graphics, 4.6.0 - Build 31.0.101.5333

Build Info:
	Date: Sep  7 2024 02:39:48
	wxWidgets: 3.2.5 (wchar_t,wx containers)
	Boost: 1.85.0
	OCC: 7.8.1
	Curl: 8.8.0-DEV
	ngspice: 42
	Compiler: Visual C++ 1939 without C++ ABI

Build settings:

This is the content of the file. As far as I can see in VSCode every .SUBCKT has a .ENDS

**$ENCRYPTED_LIB
**$INTERFACE
* PSpice Model Editor - Version 16.2.0
*$
* LM317
*****************************************************************************
* (C) Copyright 2014 Texas Instruments Incorporated. All rights reserved.
*****************************************************************************
** 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.
*****************************************************************************
*
** Released by: WEBENCH Design Center, Texas Instruments Inc.
* Part: LM317
* Date: 11DEC2014 
* Model Type: TRANSIENT
* Simulator: PSPICE
* Simulator Version: 16.2.0.p001
* EVM Order Number:
* EVM Users Guide:
* Datasheet:SLVS044V-SEPTEMBER 1999-REVISED FEBRUARY 2013
*
* Model Version: Final 1.00
*
*****************************************************************************
*
* Updates:
*
* Final 1.00
* Release to Web
*
*****************************************************************************
.SUBCKT LM317_TRANS IN ADJ OUT_0 OUT_1
$CDNENCSTART
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afe317ae10e98155cfa2b28727d5c31d48a3b97d66f85591b032015482838020dbe86c1f70c2d0d390a59aac3b04ace7f6f903a6332b17b333c6941deeb7990a
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$CDNENCFINISH
.ENDS LM317_TRANS
*$
.SUBCKT LM317_TRANS_F1 1 2 3 4  
$CDNENCSTART
eee8c5c7a2bc4b01f045f303678664e7916da0bae22e8cb0bba041dd67c69ce448ea70148a9ac1670c8926c1ac5057c8ccfcd77bf87ca9dc0f1da3cdb0bcd952
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$CDNENCFINISH
.ENDS LM317_TRANS_F1
*$
.SUBCKT COMP_BASIC_GEN INP INM Y PARAMS: VDD=1 VSS=0 VTHRESH=0.5	
$CDNENCSTART
eee8c5c7a2bc4b01f045f303678664e7916da0bae22e8cb0bba041dd67c69ce448ea70148a9ac1670c8926c1ac5057c8ccfcd77bf87ca9dc0f1da3cdb0bcd952
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$CDNENCFINISH
.ENDS COMP_BASIC_GEN
*$
.SUBCKT COMPHYS_BASIC_GEN INP INM HYS OUT PARAMS: VDD=1 VSS=0 VTHRESH=0.5	
$CDNENCSTART
eee8c5c7a2bc4b01f045f303678664e7916da0bae22e8cb0bba041dd67c69ce448ea70148a9ac1670c8926c1ac5057c8ccfcd77bf87ca9dc0f1da3cdb0bcd952
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$CDNENCFINISH
.ENDS COMPHYS_BASIC_GEN
*$
.SUBCKT COMPHYS2_BASIC_GEN INP INM HYS OUT PARAMS: VDD=1 VSS=0 VTHRESH=0.5	
+ T=10
$CDNENCSTART
eee8c5c7a2bc4b01f045f303678664e7916da0bae22e8cb0bba041dd67c69ce448ea70148a9ac1670c8926c1ac5057c8ccfcd77bf87ca9dc0f1da3cdb0bcd952
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$CDNENCFINISH
.ENDS COMPHYS2_BASIC_GEN
*$
.SUBCKT D_D 1 2
$CDNENCSTART
eee8c5c7a2bc4b01f045f303678664e7916da0bae22e8cb0bba041dd67c69ce448ea70148a9ac1670c8926c1ac5057c8ccfcd77bf87ca9dc0f1da3cdb0bcd952
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$CDNENCFINISH
.ENDS D_D
*$

Can somebody tell me what is wrong and if and how I can fix this?

Kind regards,

Bas

holger · October 3, 2024, 2:50pm

You might notice the first line

**$ENCRYPTED_LIB

TI does not want us to read this file. It can be read only by PSPICE.

There is no way to use such a model file. You may need to look for an unencrypted model.

bask185 · October 3, 2024, 4:31pm

I suspected as much .

Do you happen to know a good site?

Bas

holger · October 3, 2024, 5:11pm

Serach for TI LM317

Here the German site: LM317 Datenblatt, Produktinformationen und Support | TI.com

gschelotto · October 3, 2024, 6:31pm

In the same TI site you’ve downloaded the PSpice model you will find the unencrypted option.

bask185 · October 3, 2024, 7:15pm

Thnx. I wonder why they put an encrypted file there when they also have the same thing not encrypted? whatever.

I managed to google me another one though. It contains all kind of voltage regulators and stuff. It may be usefull for others here as well, so I’ll just post the link.

N.B. on line 884 there are lots of dots … they need to be removed with a comment * before it. Or a little bit of backspacing.

It seems promising, because my capacitor now has a really nice charging “curve”.

Kind regards

Bas

holger · October 14, 2024, 6:39pm

The non-encrypted model is a behavioral model, simplified, using spice constructs. The encrypted model may contain real transistors as integrated on the IC, thus being more precise, but as an open model it would reveal the circuit design of the device.