LED Driver
- Updated:
- By: Kevin van Mierlo
Contents
What is an LED driver?
Definition
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 stabilise the current flow to the LED.
Why is an LED driver necessary?
An LED driver ensures that the LED operates at the right current and voltage to ensure optimal performance. It protects the LED from damage caused by too high current or voltage, thus extending the life of the LED. LED drivers are often used in lighting applications, such as in homes, offices, street lighting and car lighting, as well as in displays, billboards and electronic displays. There are different types of LED drivers, including constant current and constant voltage types, which are suitable for different types of LED applications.
Two types of LED Drivers
There are two different types of drivers: the AC driver and the DC driver. The AC driver uses alternating current and therefore does not supply an exact Volt. The voltage may be slightly above or below the specified level. LED lighting connected to this transformer must be able to cope with this. A DC driver delivers a constant current and ensures a constant voltage of an exact number of Vols for the connected LED lighting. LED lighting can therefore also be connected to a DC driver. The transformer ensures that a steady, reduced current can be supplied to the LED lighting.
Connecting
Connecting an LED driver requires some knowledge of electrical wiring and components. Here is a general manual for connecting an LED driver:
1. Make sure the power supply is switched off before starting the installation.
2. Identify the input and output connectors on the LED driver. The input terminal is usually labelled "AC" for alternating current, while the output terminal is labelled "DC" for direct current.
3. Connect the power source to the input socket of the LED driver. Make sure that the voltage and current of the power source match the specifications of the LED driver.
4. Connect the output connector of the LED driver to the LED lighting. Make sure the polarity is correct, as reverse polarity can damage the LEDs.
5. Check that all connections are securely attached and safely insulated to prevent short circuits.
6. Switch on the power supply and check that the LEDs are correctly powered and light up.
It is essential to carefully follow the installation instructions of the specific LED driver you are using to ensure a safe and correct connection.
If you are unsure about the installation, you can always contact our technical team for advice.
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Author
Kevin van Mierlo
Lighting expert at TRALERT® - Kevin tests lighting and finds out everything about legislation. He can tell you all about it.
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