Our company was established in 2012 and is a national high-tech enterprise. We mainly take charge of R&D, production, sales, and service of LED drivers. We have over 1000 clients worldwide and over 3 million output every year. Our products have been sold worldwide, such as in Thailand and USA.
Custom Service
We can customize the lamp structure, required functions, parameters, etc. Also, we provide OEM&ODM services and a one-stop solution including a full design, manufacturing, and after-sales.
Complete Certification
The company has passed the "ISO9001:2015" quality management system certification as well as the certificate of national high-tech enterprise. The products are compatible with multi-national certifications, including China CQC certification and international UL, CUL, TUV, ROHS, CE, CB, SAA, FCC, CCC, etc.
Strong Production Ability
With a 4000 square meters factory in Foshan high-tech Zone, the company has 3 patch production lines and 3 plug-in production lines. There are around 100 employees and the annual capacity reaches 5 million shipments. Not only does the company have a professional R&D team of about 20 people, but also has advanced equipment to support such as SMT machines, automatic gluing machines, aged vehicles, reflow solder, and so on.
Professional Team
Most of the R&D team has 10 years of experience in the LED lighting industry. The team covers professionals from multiple fields including electronic engineering, optical design, and lighting engineering, providing comprehensive technical support to customers.
Non-Isolated Constant Current Sensor Driver
Non-isolated LED driver does not have transformer isolation like an isolated LED driver, which prevents the surge voltage from flowing to the secondary side and causing damage to the LED.
3CCT means there are 3 colors control temperature options for LED light fixture control, you can turn to variable light color by switching to a different mode set. There are three levels of brightness including low, medium, and high levels in this product.
PWM Dimmable LED Sensor Driver
PWM stands for pulse width modulation. PWM offers a full range of brightness by varying how much time the signal is high (ON) or low (OFF). This product has 4 grade light to adjust without flicker.
It has a 5.8GHz microwave motion sensor with dimmable function and has a length for 199mm, a width for 31 mm, and a height for 21.5mm. With 4 levels of brightness and infrared remote control, you can easily adjust light. Its main feature is keeping constant and abundant light when people is inside.
The 22W sensor driver is a non-isolated power designed for constant current. With 250mA output currency and flicker-free features, it is especially suitable for warehouse, parking lot, and corridors.
The 40W sensor driver has 350-500mA output currency and is a non-isolated constant current power. Users can adjust output current by a dial switch. It is suitable for various lamps.
The product has a slim and elaborate size, and especially suitable for narrow spaces. With a long metal case, it has a good function of dissipation. It is a non-isolated and single-voltage power.
Sensor Drivers For Linear Lights
The product has four kinds of watt to choose, include 22W, 40W, 60W, 75W. You can adjust the current by a dial switch. With the efficiency is as high as 92%, it can be used for linear lights, and plant lights. The driver has 4 levels of brightness to adjust and a 12V auxiliary power supply.
The product has passed the TUV/CA/SAA/VED certification. Its aim is keeping constant light when people is inside the cabin. The driver's compatibility with 200-240VAC input voltage makes it suitable for use in a variety of locations, including commercial and residential settings.
A constant current LED driver is an electronic device that regulates the current flowing through an LED to maintain a constant brightness. Many LEDs are designed to operate at a specific current, and this can be achieved by using a resistor in series with the LED, but this is not very efficient as the power wasted in the resistor will be quite high. A constant current LED driver will be much more efficient as it can deliver the required current with very little wastage. There are two main types of constant current LED drivers, linear and switch-mode. Linear drivers operate by passing a constant current through a transistor, which regulates the flow of current. Switch-mode drivers use high-frequency switching to deliver the required current and are much more efficient than linear drivers.
Working Principles of a Constant Current LED Driver
Sensing the LED Current
The driver typically uses a current-sensing element, such as a shunt resistor or a current transformer, to measure the current flowing through the LED.
Comparing the Sensed Current to a Reference
The driver compares the sensed current to a reference value, which is set by the driver's internal circuitry or by an external control signal.
Adjusting the Current
If the sensed current is not equal to the reference value, the driver adjusts the current using a feedback loop. The driver may use a switching regulator, linear regulator, or another type of circuit to adjust the current.
Providing a Constant Output
The driver continuously adjusts the current until it matches the reference value, providing a constant output to the LED regardless of changes in the input voltage or temperature.
Constant Current LED Driver
This type of LED driver ensures a constant current output to the LEDs, regardless of variations in the input voltage. It is commonly used when precise control of the LED current is required to maintain consistent brightness and performance.
Constant Voltage LED Driver
Unlike constant current drivers, constant voltage drivers provide a stable output voltage while allowing the LED current to vary. They are often used when multiple LEDs are connected in parallel and require a consistent voltage supply.
Dimmable LED Driver
Dimmable LED drivers allow users to adjust the brightness of the LED lights. They can be controlled using various methods such as 0-10V analog control, PWM (pulse-width modulation), or DALI (Digital Addressable Lighting Interface) protocols. Dimmable LED drivers provide flexibility in creating different lighting moods and energy-saving options.
AC LED Driver
AC LED drivers are designed to directly convert AC (alternating current) voltage to the required DC (direct current) voltage for LEDs. They eliminate the need for an external AC-DC power supply or LED driver and are often used in retrofit applications where existing AC infrastructure is available.
Integrated LED Driver
Integrated LED drivers are built directly into the LED module or bulb. They offer a compact and simplified solution, as the driver and LED are housed in a single unit. Integrated drivers are commonly found in LED bulbs, downlights, and other small-scale lighting fixtures.
Applications of Constant Current LED Driver
Retail Lighting
CC LED drivers are commonly used in retail environments for accent lighting, product displays, and highlighting specific areas or products. They provide consistent brightness and color to enhance visual appeal.
Museum and Gallery Lighting
Constant Current drivers are ideal for museum and gallery lighting, where precise illumination is required to showcase artwork, artifacts, and exhibits. They ensure uniform lighting without any fluctuations.
Hospitality Lighting
Hotels, restaurants, and bars often utilize CC LED drivers for ambient lighting, task lighting, and decorative lighting. These drivers offer stable and flicker-free illumination, creating a pleasant and inviting atmosphere.
Commercial Office Lighting
Constant Current drivers are suitable for office spaces, providing reliable lighting solutions for general illumination or task lighting requirements. They help improve productivity and create a comfortable work environment.
Outdoor Landscape Lighting
CC LED drivers are used for landscape lighting applications such as garden illumination, pathway lighting, or highlighting architectural features. They offer consistent brightness and color in outdoor settings.
Street Lighting
In street lighting applications, where high-power LEDs are employed, CC LED drivers ensure efficient and uniform illumination throughout the street, contributing to enhanced visibility and safety.
Industrial Lighting
Industrial facilities such as warehouses, factories, and production areas can benefit from CC LED drivers for high-bay lighting or task lighting, ensuring consistent and reliable illumination in challenging environments.
Entertainment Lighting
Constant Current drivers are utilized in the entertainment industry for stage lighting, concert lighting, theatrical lighting, and other performance-related applications. They provide precise control over lighting effects and maintain stable output.
Back-Lighting and Display Lighting
CC drivers can be used in back-lighting for LCD televisions and display lighting where stable and uniform brightness is required.
How to Choose Constant Current LED Driver
Power Output
The power output of an LED driver refers to the amount of power it can supply to the LEDs. It's like the horsepower of a car - the higher the power output, the more LEDs it can drive. However, it's important to match the power output of the driver with the power requirements of the LEDs. Overpowering can lead to overheating and damage, while underpowering can result in dim and ineffective lighting. Always check the power specifications of your LEDs and choose a driver that can meet these requirements.
Efficiency
Efficiency is a key factor when it comes to LED drivers. It refers to the amount of power that is actually used to light the LEDs, compared to the total power consumed by the driver. An efficient LED driver wastes less power as heat and delivers more to the LEDs, resulting in brighter light and lower energy costs. It's like a fuel-efficient car - it gets more miles per gallon, saving you money and reducing environmental impact. Always look for LED drivers with high-efficiency ratings to get the most out of your LED lighting system.
Dimming Capabilities
LED drivers can also come with dimming capabilities, allowing you to adjust the brightness of your LEDs. This feature can be particularly useful in creating different moods or atmospheres in a room. However, not all LEDs are dimmable, so it's important to check this before purchasing a driver with dimming capabilities. Also, different drivers may use different dimming methods, such as pulse-width modulation or analog dimming, each with its own advantages and disadvantages.
Input/Output Voltage
Understanding the input and output voltage of an LED driver is crucial for ensuring compatibility with your power source and LEDs. The input voltage is what you feed into the driver, and it must match your main voltage. The output voltage, on the other hand, is what the driver supplies to the LEDs. It's like making sure the water flowing through your pipes is at the right pressure - too high, and you could cause damage; too low, and your LEDs won't light up properly. Always check the voltage requirements of your LEDs and ensure the driver you select can provide the correct output voltage.
Our Certificate
We are a LED drive manufacturer headquartered in Shenzhen city, China. We have set up a branch in Taiwan, and possess a 4000 square meters factory.
Frequently Asked Questions
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LN series
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Performance |
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Model |
LN40D1A-540750AZ |
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Input |
Efficiency |
89%@230Vac full load |
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Voltage |
120-277Vac(standard) |
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120-347Vac(optional) |
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Frequency Range(Hz) |
50/60Hz |
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Power Factor |
≥ 0.9@347Vac full load |
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THD(full load) |
<20%@120Vac full load |
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AC Current(max) |
0.34A@120Vac full load |
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Standby power |
<1W |
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Inrush current (cold engine start) max |
25A@120Vac |
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60A@277Vac |
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80A@347Vac |
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Leakage current (max) |
<0.75mA@347V |
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Output |
Current(mA)/Voltage (VDC) Power(W) |
30-54Vdc/750mA/40W |
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Channel |
1 output |
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Linear Regulation |
±5% |
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No-load output voltage |
<60V |
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Start Time |
<0.5S@347V <1S@120V |
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auxiliary voltage |
12V/100mA |
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Function |
Dimming method |
0-10V 0.5V OFF /0.7V OPEN |
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Dimming current |
<1mA@10V <2mA@0.7V |
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Dimming range |
7%-100% (standard) |
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Color temperature |
Three gears adjustable |
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Protection |
Over Temperature |
When temperature is too high,shut down the output, Recovers automatically |
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Over load |
Hiccup, when the output power exceeds ,then,recovers automatically after fault removed |
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Short Circuit |
Close output,recovers automatically after fault removed |
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Physical |
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Length |
210 mm |
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Width |
28 mm |
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Height |
21 mm |
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Mounting Length |
195mm |
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Weight (g) |
154g |
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Environmental |
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Safety standard |
UL8750 ,Class1 |
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EMC emission |
Meets FCC part 15 |
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Operating Temperature |
-20°C to 50°C |
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Storage Temperature,Humidity |
-20°C to 85°C,20-90%RH |
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Case Temperature |
TC=90℃ |
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Warranty Tc |
85°C max for 50k Hr Life |
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Surge protection |
L-N 1KV , L/N-FG 2KV |
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IP Rating |
IP20 |
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Material |
Iron shell |
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Certificate |
CE/FCC/UL certificate |
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Series Driver |
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Model |
Max Power |
Input Voltage |
Output Voltage |
Output Current |
Power Factor |
Power Regulation |
Color temperature |
Efficiency |
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LN40D1A-54XXXXYZ |
36W |
120-277/120-347Vac |
30-54Vdc |
750mA |
0.9 |
Adjustable |
Adjustable |
89% |
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LN60D1A-54XXXXYZ |
55W |
120-277/120-347Vac |
30-54Vdc |
1000mA |
0.9 |
Adjustable |
Adjustable |
91% |
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LN80D1A-54XXXXYZ |
75W |
120-277/120-347Vac |
30-54Vdc |
1500mA |
0.9 |
Adjustable |
Adjustable |
91% |