Constant Voltage LED Strip vs. Constant Current LED Strip: Differences and Application Scenarios

In the field of LED lighting, constant voltage LED strips and constant current LED strips are two common product types. As a professional LED strip manufacturer, Shenzhen Jomo Lighting Technology Co., Ltd. provides an analysis of their definitions, differences, and application scenarios to help you quickly select the right lighting solution.

1. What is a Constant Voltage LED Strip?
A constant voltage LED strip operates at a stable voltage, commonly driven by 12V or 24V DC power supplies. Its internal circuit design is simple, using resistors for current limiting, and it can be used by directly connecting to a compatible power supply.
Advantages: Easy installation, low cost, suitable for long-distance installation (voltage drop should be considered).
Applications: Home decoration, advertising light boxes, commercial lighting, and other scenarios where brightness consistency is not a critical requirement.

2. What is a Constant Current LED Strip?
A constant current LED strip uses a constant current driver (IC) to ensure stable current output. Even with voltage fluctuations, the current remains constant. This type of strip typically requires a dedicated constant current power supply.
Advantages: Uniform brightness, longer lifespan, strong resistance to voltage fluctuations.
Applications: High-end commercial lighting, museums, galleries, and other settings with strict requirements for lighting consistency.

3. Key Differences Between Constant Voltage and Constant Current LED Strips
(1) Working Principle
· Constant voltage strips rely on external voltage stability, with current varying based on resistance.
· Constant current strips actively regulate current through IC chips, unaffected by voltage fluctuations.

(2) Lighting Performance
· Constant voltage strips may exhibit brightness attenuation over long distances.
· Constant current strips ensure consistent brightness throughout the entire length.

(3) Cost and Maintenance
· Constant voltage solutions have lower initial costs but require careful power supply matching.
· Constant current solutions involve higher upfront investment but offer superior long-term stability.

4. How to Choose?
· For cost-effectiveness: Choose constant voltage strips (e.g., 12V/24V series) for short-distance installations.
· For premium quality: Opt for constant current strips (e.g., Jomo Lighting IC constant current series) for long-distance or precision applications.

Shenzhen Jomo Lighting Technology Co., Ltd. specializes in LED strip R&D and production for 13 years, offering comprehensive constant voltage and constant current solutions with customization services. Our products are internationally certified and exported to over 50 countries, earning customer trust with high stability and durability.

Visit our official website or contact us now for professional selection advice and industry-leading LED lighting solutions!