Choosing Your LED Power Supply?

You will need a device to limit the amount of present reaching to your LED to protect it from overheating. These devices can be a drivers or a resistor. If you do not regulate the current, LED can draw up much present than it is designed for. This can actually lead to failure of your LED light.

In this article, we will discuss some tricks and tips that will help you choose your next LED Power.


First thing first, find out how a lot of watts your light will be consuming. If you need more than one LED you can sum up the watts of individual LEDs.

Now add more 20% towards the total number of watts you calculated. This is to make sure that your LED does not get overheated easily. This can be carried out very easily.
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Just multiply your complete calculated watts with 1 . second . Now you can find a power supply as per the last calculated watt.

Let us take an example, you have 4 LED strips that will consume 12 watts each. So , you have 12*4=48. So your total watts is 48 watts. Now add 1 . 2*48=57. 6. So you are likely to find a power of approximately 60 w.


Before you build an LED fixture, you must find out whether or not the result voltage is compatible with the voltage from the LED. Using LED products that can regulate the current itself is very useful. In our example above, we would require a 12V power.

Another thing to consider is to make sure that the power supply, you are selecting can effectively handle the input power at your home. Line voltage can change depending on where you are living. It is important to understand if you are living in an area of low-line power (90-120V) or high-line energy (200-240V).

Dimmable LED

If you are using dimmable LEDs whose brightness can be modified make sure the power you choose should also possess adjusting characteristic. You should go through the specifications and find out if your power supply is dimmable or not.

PWM Dimming: The characteristic of this dimming modulation is that they can be used in any power supply. Moreover, the products that do not mention “dimmable” can also be dimmed using these.

TRIAC Dimming: In this instance, you would need standard dimmers to regulate the power.

Temperature and Weather

A single important thing to consider while choosing your own power supply is the location and atmosphere it would be used in. They perform greatest when they are used within the specified temperatures range as per their specifications. The environment and weather are also responsible for the particular effective performance.

The power supplies are provided with an IP rating or ingress-protection rating. This rating identifies the size of solid and the pressure of liquid that it can withstand.

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