So at the Source of my circuit there is actually going to be a super capacitor, and my load is a bluetooth module. the bluetooth module runs fine from 5v to around 3 and half volts during the discharge of the capacitor. after that it goes into some sort of "protection mode" and wont turn on even if the voltage is 5 again, unless it's been either disconnected completely or the voltage in is less then 1.5.
So I tried making this circuit https://imgur.com/a/atTh8Py
In the above example i used circuitLab to test it and it worked how i was hoping. The zener would conduct through the base of pnp and allow power to my load only when it was above the zener's voltage. Keep in mind that I do not care for efficiency in this project, and as long as the voltage is mostly cut off from my load then i will be happy with the results.
I used an s8550 pnp transistor in the real life test here https://imgur.com/a/CY9LIrU
At the higher voltage of 5v it works as expected of course, but at lower voltage of 2.6 it is still conducting enough through the zener to keep the transistor active.
I'm not sure what else to try, but if anyone has any advice or ideas why this doesn't work in the real world, i would love to here them, because i am still very novice with electronics! Thanks!
So I tried making this circuit https://imgur.com/a/atTh8Py
In the above example i used circuitLab to test it and it worked how i was hoping. The zener would conduct through the base of pnp and allow power to my load only when it was above the zener's voltage. Keep in mind that I do not care for efficiency in this project, and as long as the voltage is mostly cut off from my load then i will be happy with the results.
I used an s8550 pnp transistor in the real life test here https://imgur.com/a/CY9LIrU
At the higher voltage of 5v it works as expected of course, but at lower voltage of 2.6 it is still conducting enough through the zener to keep the transistor active.
I'm not sure what else to try, but if anyone has any advice or ideas why this doesn't work in the real world, i would love to here them, because i am still very novice with electronics! Thanks!