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How do you test your power supply for your diode laser?

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Laser
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2023-03-27

Hi, how does one analyze their power supply?
Forgive me for this general open question. I’m still trying to learn about diode lasers and their quirks. I’ve searched the internet for days for a way to check if my power supply is fast enough and strong enough. So I decided to ask a question here. I would like to know if there are tests/procedures that people in this forum have used to check power supplies?
I kinda new to electronics of the laser unit. I have a two tree 20w (not optical) laser w stock driver and a power supply from an Ender 3 pro 3d printer on my machine. I’m using a mks dlc32 v2 board and Lightburn to run the laser.
Just trying learn something for the future.

C

    • roy

      2023-03-28
      Take each part of your laser and find out how much current is used in each… Such as the controller the basic motors, the led and anything else you need to power. Add them up.
Check that your supply of capable of this value…
Usually you start seeing issues because of power, such as the controller resetting…
The other option is to measure the output of the supply when the machine runs in a mode that draws the most current. If the voltage drops, it under powered.
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