In the first blog post, I’ll help you with how you can find the right LED driver for your luminaire or application. Basically, we can divide the LED drivers into categories: constant current and constant voltage drivers. But there is a lot more than that. Let’s get to business.
If you already have the light source, you can check what does the datasheet or technical label say about its technical values. If there is mentioned mA, for example, 350mA, it means that you’ll need a constant current driver. If the label says 12V or 24V you need a constant voltage LED driver.
I will write a blog post about the constant voltage LED drivers later, so now let’s get into constant current ones.
Check the datasheet or technical label. For example, if your light source needs a current of 350mA, you should try to find a driver with a 350mA output current.
You can find the power consumption of the LED from the datasheet. Or if the wattage information is missing, you can calculate that by yourself. Multiply typical driven current (A) with typical forward voltage (V).
Note! Are you using several LED components? Remember that you must find a LED driver that can feed all the LED components in your luminaire.
Check the datasheet. Find the voltage of the LED. If you have several LEDs, you should add the voltages together. This way you can find the driver with the right voltage range.
If you do not need dimming, go with on/off driver.
If you need dimming, there are many options that depend on the specification of your luminaire. We could write another blog post about the dimming types, so let’s not go too deep on this one.
Sizing is a critical value if you are making small-sized luminaire. Then the driver needs to fit in a small space. Consider this. You can always find the size of the driver from the datasheet.
If the luminaire is used outdoors you need higher IP-classification. IP67 is made for extreme conditions such as outdoor and moist spaces.
Indoor use you don’t need to think IP-classification as much as outdoor. IP20 is enough for indoor use. Except in rooms with a lot of dust or moisture, like a bathroom.
Is the luminaire going to market in Europe or in the USA? Check what approvals you need and then try to find a driver that suits you.
Wasn’t it easy? This was the basics of finding the right driver. I hope this helps you with your selection. If you have anything to ask, contact our customer service (firstname.lastname@example.org)
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