Archive for March, 2009

Battery regulator- part 2

I continued troubleshooting the board yesterday, and came to a few conclusions- The gain of the power transistor is indeed high enough to be driven directly from the optocoupler. In order to get the C-E voltage drop nice and low (.35 v or less) I am driving the base with about 20 ma- it’s definitely […]

Posted on March 1, 2009 at 12:25 pm by Henry · Permalink · Leave a comment
In: Battery Regulator