LM431 as over discharge protection

ericgibbs

Joined Jan 29, 2010
18,766
hi gk,
You most likely have no TL431 module, as the Error message shows.
Unzip this zip file.
Place the .lib in the LTSpice SUB folder and
the .asy in the LTSpice CMP folder,
restart LTSpice
Type .inc TL431.lib on the asc file circuit digram.


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Alec_t

Joined Sep 17, 2013
14,280
For another thing, right-click the MOSFET symbol and select a suitable MOSFET instead of the default one (which rarely works well).
 
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