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Auto laptop 12V/mains switchover design | 26 comments (26 topical, editorial)
Re: Auto laptop 12V/mains switchover design (3.00 / 0) (#9)
by DamonHD (d@hd.org) on Sat Jun 30th, 2007 at 02:53:25 AM MST
(User Info) http://www.earth.org.uk/

OK, here's the improved voltage detector/comparator circuit:

http://www.earth.org.uk/battery-voltage-monitor-12V-13V-thresholds-1-full.gif

This should switch the laptop to mains power at 12V and back to battery at 13V.

Rgds

Damon



Auto laptop 12V/mains switchover design | 26 comments (26 topical, 0 editorial)

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