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Constant Current LED Drivers Vs. Constant Voltage Drivers: Learn The Difference

Constant Current LED Drivers Vs. Constant Voltage Drivers: Learn The Difference

For many businesses, driving greater energy efficiency in their facilities has become a high priority in recent years. One of the most popular ways in which these businesses are cutting their energy consumption and lowering their utility bills is through LED lighting. When used in place of traditional incandescent bulbs, LED lights consume less electricity, which makes them an ideal choice for lighting a commercial facility such as an office or warehouse.

Though when retrofitting an existing facility for LED lighting, it’s important for businesses and commercial property owners to understand that there’s more to the process than simply switching lighting fixtures. LED lighting systems require unique infrastructure to ensure the best results. A major part of that infrastructure is the driver. The driver is the device that regulates power to the LED system. There are two primary options: the constant current LED driver and the constant voltage driver.

Understanding Constant Current LED Drivers

A constant current driver provides steady current to an LED system, even when voltage fluctuates. This is because the constant current driver varies the voltage across the circuit automatically. The primary benefit of the constant current driver is that it ensures that the current never surpasses the specified maximum level, preventing burnout and thermal runaway.

Understanding Constant Voltage Drivers

On the other hand, constant voltage drivers provide fixed voltage — either 12VDC or 24VDC, in most cases. This means greater energy efficiency over constant current drivers, as well as a more streamlined configuration. However, constant voltage drivers tend to be less reliable and don’t provide the same consistency in terms of brightness.

Which Ones Are Right for You?

Knowing if your LED system specifies the voltage necessary is the most important consideration when choosing between constant current and constant voltage LED drivers. If the LED lighting system you choose does not specify a voltage, you’ll need to use the constant current driver to ensure proper functionality. If the system does specify voltage, you can use the constant voltage driver. In this case, you may be able to save money in a large-scale LED system, due to the greater energy-efficiency of the constant voltage driver. However, constant current drivers offer more flexibility and control over the system.

If you’ve made up your mind or if you need more guidance about which driver is right for your application, the experts at Lightbulb Wholesaler can help you make the right decision. Contact us today to ask questions or place your order. 

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