How to choose a suitable power supply for LED strips?

Views: 0     Author: Site Editor     Publish Time: 2021-07-13      Origin: Site


      12What is a led light strip driver?

      When we use led light strips, can we directly connect the led light strips to AC110V or AC220V? the answer is negative. Usually low-voltage LED strips are DC12V or DC24V. In fact, LED light bars also have DC3V, 5V, 36V, 48V light bars. But they are used for very special projects. Now we are talking about DC12V/24V LED strips.

The LED light bar driver is a transformer. It changes the high voltage AC110V/220V to DC12V/24V. Then the led strip can be used safely.

Do I need to drive when using led strips?

      When using led strips, generally DC12V and DC24V. So you need to buy led power supply for led strip. How does a driver to power the led strip? Please check picture on the right.

     4 points to consider before buying led power supply

      4 things you need to know when buying led power supplies. In this way, you can choose a suitable LED power supply, which will benefit the long life of the LED light bar. 

      1. Outdoor/indoor

      You must know where you are using LED strips. Outdoor or indoor, humid or dry place. If you use it outdoors in damp, or where it might rain, then you need a waterproof power supply. If used indoors, the place should be dry. Just like in ceilings, kitchen cabinets, and TV cabinets, non-waterproof drives are sufficient.


Waterproof power supply

 We can see from the appearance of the power supply. Usually the housing is made of plastic or aluminum. The shell is sealed like a sealed tin. Usually, it uses silicone sealant to seal electronic components.


 Non-waterproof power supply

Non-waterproof led drivers are usually as follows. The housing is made of aluminum. And has a heat dissipation function. With the same wattage, non-waterproof drives are cheaper than waterproof drives.

      2. DIY users/home users

      We use it in DIY. If a few meters of LED light strips are not used in a lot of LED strips, then we don't need to use BIG power supply, we can choose the following power supply. Wall-mounted power supply and desktop power supply. Wall-mounted power supplies are generally not large in wattage, 1A, 2A, 3A. Desktop power supply is bigger, 4A, 5A, 6A. So this is convenient for us to make some small DIY lighting.


      Wall-mounted switching power supply


      Desktop power

      3. For some special requirements, some customers need more functions.

          Dimming :  There are 3 kinds of dimmable power supplies with different functions

          I have shown you three different dimming methods. 







      4. Use branded led driver

      I suggest you buy a branded led power supply. I use a lot of power supplies, but more or less there will be problems. I use MEAN WELL led power supply. MEAN WELL drives good quality. Very, very few quantities have quality problems. However, MEAN WELL does less in dimming power supply, and the delivery time is very long. If you want to know more about dimming power supply, please send us an email.

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