What is a LED Driver?

An LED driver is an electronic device that regulates the current flowing to a Light Emitting Diode (LED). LEDs are semiconductor devices that produce light when electrical current passes through them. Since LEDs are sensitive to variations in current and voltage, an LED driver is essential to regulate and stabilize the power supply to the LED.

Why is an LED Driver necessary

An LED driver ensures that the LED operates at the right current and voltage to guarantee optimal performance. It protects the LED from damage due to excessive current or voltage, thereby extending the LED's lifespan. LED drivers are commonly used in lighting applications, such as in homes, offices, street lighting, and automotive lighting, as well as in displays, billboards, and electronic signage. There are different types of LED drivers, including constant current and constant voltage types, suitable for various LED application types.

Two kinds of led drivers

There are two types of drivers, namely the AC driver and the DC driver. The AC driver uses alternating current, so it does not precisely provide a set number of volts. The voltage can be slightly above or below the specified value. LED lighting connected to this transformer must be compatible with these variations. A DC driver provides a constant current, ensuring a steady supply of an exact number of volts to the connected LED lighting. LED lighting can therefore also be connected to a DC driver. The transformer ensures that a uniform, reduced current can be delivered to the LED lighting.


Connecting an LED driver requires some knowledge of electrical wiring and components. Here is a general guide for connecting an LED driver:

Make sure the power is turned off before starting the installation.

Identify the input and output connections on the LED driver. The input connection is typically labeled as "AC" for alternating current, while the output connection is labeled as "DC" for direct current.

Connect the power source to the input connection of the LED driver. Ensure that the voltage and current rating of the power source match the specifications of the LED driver.

Connect the output connection of the LED driver to the LED lighting. Ensure that the polarity is correct, as reverse polarity can damage the LEDs.

Check to ensure all connections are securely fastened and safely insulated to prevent any short circuits.

Turn on the power supply and check if the LEDs are being powered correctly and are lighting up.

It is essential to carefully follow the installation instructions provided by the specific LED driver you are using to ensure a safe and proper connection.

If you are unsure about the installation, you can always contact our technical team for advice.