PT4115 PDF

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Latest Projects Education. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. Thread starter Sindre Brun Start date Feb 14, Search Forums New Posts. They all have a forward voltage of 3. The proposed driver will be used to drive 5 of the LEDs, and so I'll use two of them. The leds will be used in a WakeUp light, ie I'll gradually increase the light over a period of minutes. Because of this, it has to be dimmable.

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.

You must log in or register to reply here. Thread starter Similar threads Forum Replies Date T Different ways of designing a remote sensor to detect when a a glass container holding cooking spices is near-to-empty. Similar threads Different ways of designing a remote sensor to detect when a a glass container holding cooking spices is near-to-empty. Designing a logic circuit using a full adder? Been designing a computer and need to convert binary to BCD.

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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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By using our site, you acknowledge that you have read and understand our Cookie Policy , Privacy Policy , and our Terms of Service. Electrical Engineering Stack Exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts. It only takes a minute to sign up. Excuse me if my question is too specific. I've spent hours but no success.

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