1. Introduction
Thank you for choosing LCFOCUS COB LED Chips. This manual provides essential information for the safe and efficient use of your LED chip. Our COB LED chips are designed for high brightness, high Color Rendering Index (CRI Ra 80+), energy efficiency, low light decay, environmental protection, and a long lifespan. They are suitable for various lighting applications such as DIY bulbs, track lights, and downlights.
2. Specifications
The LCFOCUS COB LED Chips are available in various wattages and color temperatures. Key specifications are detailed below:
2.1 General Specifications
- Brand Name: LCFOCUS
- Model Number: LC-XL2824 SERIES
- Item Type: BALL (LED Chip)
- Origin: Mainland China
- Certification: CE
- High-concerned chemical: None
2.2 Electrical and Optical Characteristics
| Attribute | Value |
|---|---|
| Current | 600-3000mA (20-100W) |
| Voltage | 30-38.4V (20-100W) |
| Power | 20W, 30W, 42W, 54W, 60W, 72W, 100W |
| Color Temperature | 3000K (Warm White), 4000K (Natural White), 6000K (Cool White) |
| Lumen | 120-130LM/W |
| Color Rendering Index (CRI) | Ra 80+ |
| Chip Brand | BRIDGELUX |
| Bracket Size | 28x28mm |
| Light Emitting Surface Size | Diameter 24mm |
| Emitting Angle | 120 Degrees |
| Color Tolerance | Less than 5 SDCN |
3. Setup and Installation
Proper handling and installation are crucial for the performance and longevity of your COB LED chip.
3.1 Handling Precautions
- Static electricity or surge voltage can damage the LED chip. It is recommended to use anti-electrostatic gloves or a wrist band when handling the LEDs.
- Avoid touching the light-emitting surface directly. Handle the chip by its edges.
3.2 Thermal Management
To prevent intense heat generation and ensure optimal performance, a proper LED radiator cooling system is essential. The operating temperature should be decided after considering the ambient maximum temperature of the LEDs. The LEDs must be mounted on a heat sink, and the LED work temperature should be kept below 60°C.
3.3 Power Supply Connection
Connect the LED chip to a compatible constant current LED driver. Ensure the voltage and current ratings of the driver match the requirements of your specific LED chip wattage. Refer to the specifications table for appropriate current and voltage values.
4. Operation
Once properly installed and connected to a suitable power source, your LCFOCUS COB LED chip will provide consistent and high-quality illumination.
4.1 Color Temperature Options
Our LED chips are available in three primary color temperatures:
- 3000K (Warm White): Provides a cozy, yellowish light, similar to incandescent bulbs.
- 4000K (Natural White): Offers a balanced, neutral white light, ideal for general illumination.
- 6000K (Cool White): Produces a bright, bluish-white light, often used for task lighting or modern aesthetics.
4.2 Color Rendering Index (CRI)
LCFOCUS LED chips boast a high CRI (Ra 80+), ensuring that colors appear vibrant and true to life under their illumination. This is significantly better than chips with lower CRI values.
5. Maintenance
LCFOCUS COB LED chips are designed for long-term, maintenance-free operation under normal conditions. However, proper thermal management is key to their lifespan.
- Regularly check that the cooling system (heat sink and fan, if applicable) is free from dust and debris to ensure efficient heat dissipation.
- Ensure the LED chip's operating temperature does not exceed 60°C. Prolonged exposure to high temperatures can significantly reduce the chip's lifespan and performance.
- Avoid physical impact or excessive pressure on the LED chip.
6. Troubleshooting
If you encounter issues with your LED chip, consider the following diagnostic steps:
6.1 Diagnostic Methods
- Constant Voltage (C.V.) Test Method: This method can be used to check if the chip is damaged. Apply a constant voltage according to the parameters of the LED. Note that this method cannot be used to check the LED power/voltage/current accurately.
- Constant Current (C.C.) Test Method: This method can also be used to check if the chip is damaged. Apply a constant current according to the parameters of the LED. This method can be used to check the LED power/voltage/current.
6.2 Common Issues
- LED not lighting up: Check the power supply connection, ensuring correct polarity (+/-). Verify the power supply is providing the correct voltage and current.
- Dim or flickering light: This could indicate an insufficient power supply, overheating, or a faulty connection. Ensure adequate cooling and check power supply stability.
- Discoloration: Overheating can cause color shift. Ensure proper thermal management.
If you have any questions or require further assistance, please contact LCFOCUS customer support.
7. User Tips
- Always verify the power supply voltage and current requirements for your specific LED chip wattage before connecting to prevent damage.
- For DIY projects, ensure your heat sink is adequately sized for the wattage of the COB LED chip to maintain optimal operating temperatures.
- When integrating into fixtures, consider the overall thermal environment to maximize the lifespan of the LED.
8. Warranty and Support
LCFOCUS is committed to providing high-quality products and customer satisfaction.
8.1 Warranty
All LCFOCUS products come with a 1-year warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use conditions.
8.2 Returns and Refunds
- Free returns: Available within 90 days of receipt if there are any quality problems.
- Refund if package lost: Full refund will be issued if the package is lost during transit.
- Refund if items damaged: Full refund will be issued if items arrive damaged.
- Refund if no delivery in 30 days: Full refund will be issued if the product is not delivered within 30 days.
8.3 Customer Support
If you have any problems with your order or product, please feel free to contact us. Our customer service team aims to respond to all inquiries within 24 hours.
