TP Max

LED temperature optimization (TP MAX)

The efficiency and durability of LED (light emitting diode) lighting systems are intrinsically linked to their ability to manage and dissipate the heat generated during operation.

The maximum allowable operating temperature for light-emitting diodes (LEDs) is typically 40°C, although certain manufacturers and models can tolerate up to 65°C.

Relación entre lumen vs temperatura

It should be clarified that we refer to the general system and ambient temperature scale (measured in degrees Celsius) and not to the LED color temperature (measured in Kelvin).

However, luminaires, comprising both the LED and its electronic and structural assembly, can experience heatsink temperatures of up to 90°C and electronic components of between 60°C to 80°C.

This white paper focuses on elucidating the challenges and solutions in the thermal management of LED lighting systems.

Impact of Temperature on LED Efficiency

LED performance is significantly affected by high temperatures. These adverse effects include reduced luminous efficiency (lumens per watt), change in color output (chromatic shift), and decreased device lifetime.

These consequences result from the alteration in the physical and chemical properties of the semiconductor materials that make up the LED under high-temperature conditions.

Heat dissipation strategies

Heat sink design

The heat sink is a critical component in the design of LED luminaires, responsible for transferring the heat generated by the LED to the surrounding environment.

The selection of materials with high thermal conductivity, such as aluminum or copper, is fundamental. In addition, the geometric design of the heatsink, including its size, shape, and air contact surface, must be optimized to maximize heat dissipation by natural or forced convection.

Electronic power management

Optimization of the electronic circuitry powering the LED can contribute significantly to the reduction of heat generation. The use of high-efficiency LED drivers that minimize energy losses in the form of heat during power conversion is essential.

In addition, the implementation of intelligent dimming strategies can reduce the operating time at full power, thereby reducing heat generation.

Our approach

Effective temperature management is critical to maximizing the efficiency, color rendering, and lifetime of LED lighting systems.

Careful heat sink design, proper selection of thermal interface materials, and optimization of power electronics are key strategies to combat the negative effects of high temperatures on LEDs.

Through the implementation of these strategies, it is possible to develop LED lighting solutions that not only meet performance and energy efficiency requirements but also ensure long-term sustainability and reliability.

Our commitment

At Actilum, we design and manufacture products with high luminous efficiency and superior design, while comprehensively addressing thermal management challenges.

Our innovation focuses on improving heat dissipation to increase the durability and efficiency of our lighting systems.

Thanks to a team of specialized engineers who use simulations and testing to optimize thermal design, along with a meticulous selection of effective materials and heat sinks, we ensure optimal performance and extended life of our products, mitigating the adverse impacts of heat.

Energy efficiency and sustainability

Our power control systems are not only designed to minimize heat generation but also to reduce energy consumption, thus offering environmentally friendly and economically efficient lighting solutions.

At Actilum, we continue to innovate and perfect our products, ensuring that every lighting solution that leaves our production line not only meets but exceeds our customers’ expectations in terms of performance, reliability and environmental responsibility.

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Led’s create together