Samlex PSA-305 current control add on.

Thread Starter

be80be

Joined Jul 5, 2008
2,042
I have a Samlex PSA 305 that friend gave me looks like a nice supply I am doing some mods to it.
Overcurrent Sense Circuit Modification and Modification to Eliminate Power-Off Voltage Overshoot.

Those I have worked out from here https://w1hue.org/Articles/samlex_mods.html
Next thing I want add is current control.

Here the circuit looking for good ideal to add current control.
Samlex2.png



samlex.png
 

Thread Starter

be80be

Joined Jul 5, 2008
2,042
I guess no one wants to post any of there ideas to figure best way to add current control limiting to this.
 

Thread Starter

be80be

Joined Jul 5, 2008
2,042
Here something I found But testing it doesn't seem to control any current.
limlit.png
 
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