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I've settled on the PT driver, because I can find them dirt cheap on aliexpress. The circuit I'm using is the reference design in the datasheet, but I just want to make sure that I'm chosing the correct parts. Aside from an intro class to circuits about 2 years ago, I don't really have much experience with electronics.
This would give a mA current, just to be safe. A standard SMD sized resistor should do the trick? The diode D is a Schottky SS24 diode. Therefore I'm adding a Zener diode of 5.
I'm not quite sure if this is right. Zener diode is this one [ Link ] My circuit designed in KiCad looks like this: Note that the resistor value is wrong in the schematic, it should be 0. I'm thinking that I have to drive this with a 24V supply, as this is the easiest supply to get hold of, while 18V would be to little? The DIM pin will be driven by a Wemos or other micro controller. Here is the entire solution: So does this look like it will work?
This is my first post, so feel free to give me feedback on the format of the post as well, but preferably in my message box instead of cluttering the thread. Scroll to continue with content.
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2PCs 6-30V LED Driver, PT4115, PWM Tuning
LED Driver with Dimming. The PT is a continuous conduction mode inductive. The device operates from an input supply between 6V. Depending upon the supply. The PT includes the power switch and a high-side. Applying a voltage of.
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