Products
Non-isolated Flicker Free Sensor Driver

Non-isolated Flicker Free Sensor Driver

A non-isolated LED driver is an LED driver that is not electrically isolated from the input power source or the load. Non-isolated LED drivers are simpler and less expensive than isolated LED drivers, but they do not provide the same level of safety or reliability. Non-isolated drivers can operate in a wide range of voltages from just a few volts in a simple LED bulb or solar light to 200dc in a 150w commercial LED Fixture range in a commercial fixture.
JUSINPOWER: Your Leading Constant Current LED Driver Supplier

 

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.

 

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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.

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3cct LED Driver

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.

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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.

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5.8G LED Sensor Driver

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.

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22W Sensor Driver

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.

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40W Sensor Driver

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.

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Long Bar Sensor Driver

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.

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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.

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CE LED Sensor Driver

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.

 

 

What is a Non-isolated LED Driver

A non-isolated LED driver is an LED driver that is not electrically isolated from the input power source or the load. Non-isolated LED drivers are simpler and less expensive than isolated LED drivers, but they do not provide the same level of safety or reliability. Non-isolated drivers can operate in a wide range of voltages from just a few volts in a simple LED bulb or solar light to 200dc in a 150w commercial LED Fixture range in a commercial fixture.

LED Driver with Adjustable Three Color Temperatures

 

0 10V Dimming Driver Suitable for Tri-proof Lights

 

Features of Non-isolated LED Driver

Labeling
Non-isolated LED driver may be labeled with terms like 'Non-isolated' or similar to indicate the lack of electrical isolation.

Housing Design
Non-isolated LED drivers often have smaller housings due to the absence of isolation components. Additionally, there may be no additional safety markings on the housing.

Terminal Identification
While input and output terminals may be labeled, there won't be an emphasis on electrical isolation, as there are no isolation components on non-isolated LED drivers.

 

Benefits of Non-isolated LED Driver

 

 

Efficiency
The efficiency and regulation of non-isolated converters also tend to be better than that of an isolated converter. The transformer and opto-couplers again are major contributors to the difference in performance. The absence of an isolation barrier allows for the output to be directly sensed and tightly controlled for better regulation and transient performance. Their small size also allows them to be placed closer to the load to reduce the transmission line effects.

Cost-Effectiveness
Non-isolated LED drivers are a recommended option for projects with a tight budget because they are typically cheaper to develop and buy.

Compact Size
Non-isolated LED drivers typically have smaller, more compact sizes due to their streamlined designs, making them ideal for applications with confined space.

Versatility
Non-isolated LED drivers can be used in various applications, especially those with lower safety requirements and cost considerations, such as industrial and outdoor lighting.

Voltage Fluctuations
Due to the lack of electrical isolation, non-isolated LED drivers may experience voltage fluctuations at the output terminal directly influenced by input voltage variations, potentially leading to output voltage instability.

 

Function of Non-isolated LED Driver

 

Voltage Regulation
LEDs require a specific voltage to operate effectively and safely. LED drivers regulate and stabilize the voltage supplied to the LEDs, ensuring that they receive the correct voltage range for optimal performance and longevity.

Current Control
LEDs are current-driven devices, meaning they require a constant current to operate efficiently. LED drivers manage the current flow to the LEDs, providing a consistent and steady current to ensure uniform brightness, color accuracy, and reliability.

Compatibility
LED drivers bridge the gap between the electrical system and the LED lighting fixtures. They ensure compatibility by converting the input voltage from the power source (e.g., AC mains) to the appropriate voltage and current levels needed by the LEDs.

Energy Efficiency
LED drivers contribute to energy efficiency by converting the power supply to a lower voltage and regulating the current flow. They minimize energy losses and optimize power consumption, allowing LEDs to operate at their highest efficiency levels.

Dimming and Control
LED drivers enable dimming and control capabilities for LED lighting systems. They provide the necessary circuitry to facilitate smooth dimming functionality, allowing users to adjust the brightness and create different lighting atmospheres.

Protection and Safety
LED drivers incorporate various protection features to safeguard the LEDs and the driver itself. These features can include over-voltage protection, over-current protection, short-circuit protection, and temperature monitoring. LED drivers ensure the safe and reliable operation of the LED lighting system.

Compatibility with Electronic Control Systems
LED drivers often have compatibility with electronic control systems, such as lighting control protocols (e.g., DALI, DMX) or smart home automation systems. This enables integration and synchronization of LED lighting with other devices or systems, providing enhanced functionality and control.

 

 

Primary Types of Non-isolated LED Driver

Constant Current Drivers
These LED drivers maintain a constant current and vary the voltage depending on the load of the LED. They're typically used when LEDs are connected in series.

Constant Voltage Drivers
These LED drivers supply a constant voltage and allow the current to vary based on the load. They're generally used when LEDs are wired in parallel.

1-10v Dimming Driver

 

Common Areas Where LED Drivers are Used

 

 
 

Residential Lighting

LED drivers are used in residential lighting fixtures, including LED bulbs, downlights, track lights, and under-cabinet lights. They provide the necessary power and regulate the current to ensure the LEDs operate efficiently and with the desired brightness.

 
 

Commercial and Office Lighting

LED drivers are widely used in commercial and office spaces for general lighting, task lighting, and accent lighting. They are found in recessed lights, panel lights, troffers, and linear fixtures to power and control the LED modules.

 
 

Street and Outdoor Lighting

LED drivers are utilized in streetlights, parking lot lights, and outdoor floodlights. They regulate the current and voltage to ensure consistent and reliable performance of the LEDs, even in outdoor and harsh environmental conditions.

 
 

Automotive Lighting

LED drivers are an essential component in automotive lighting systems, including headlights, taillights, daytime running lights, and interior lighting. They provide the necessary power and control for the LEDs to achieve optimal brightness and functionality.

 
 

Signage and Display Lighting

LED drivers are commonly used in illuminated signs, channel letters, display boards, and digital signage. They enable precise control of the LEDs, ensuring uniform illumination and proper brightness levels.

 
 

Decorative and Architectural Lighting

LED drivers are employed in decorative lighting applications, such as strip lights, rope lights, and LED tape lights. They allow for the customization of colors, dimming capabilities, and dynamic lighting effects.

 
 

Industrial and Warehouse Lighting

LED drivers are used in high-bay lights, low-bay lights, and industrial fixtures for efficient and reliable illumination in warehouses, factories, and industrial facilities.

 
 

Entertainment and Stage Lighting

LED drivers play a vital role in entertainment and stage lighting systems, including concert lighting, theater lighting, and architectural lighting. They provide control over color mixing, dimming, and various lighting effects.

 

What to Consider When Choosing an LED Driver?

 

 

Type and Number
Determine the type and number of LED lights you'll be using in your setup and how they'll be arrayed. If your lights are wired in series, such as with ground lights or decking lights, you'll require a constant-current LED driver. If they'll be wired in parallel, such as with LED tape or LED strip lights, then you'll need to have a constant-voltage LED driver.

Milliamp Rating
You'll need to ensure that the milliamp rating on your lights matches the milliamp rating of your LED driver. Electrical current is measured in amps and milliamps. While there are some different milliamp ratings for LED lights, the most common are 350mA and 700mA.

Wattage Rating
Check to ensure that the wattage rating of your LED driver is greater than or equal to the total wattage of all lights wired to that driver. As an example, if you have five 3-watt ground lights wired to your driver, the driver must have a wattage rating of at least 15 watts. When using LED tape, you need to multiply the wattage rating per meter of tape times the length of the tape. As an example, if the tape is rated at 15 watts per meter and the total tape length is 3 meters, your LED driver will have to carry at least a 45-watt rating.

Output Voltage
Make sure that the output voltage of the LED driver is compatible with the input voltage of your LED light(s). Some constant-current LED drivers have a wide range of output voltage, such as 6 to 24 volts, making them more universal and compatible with many different LED lights. Constant-current LED drivers, however, may output a very specific voltage, which may not work with your LED lights. Damage may be caused by using incorrect voltage, so it's important to carefully check this.

 

Key Steps Involved in Repairing an LED Light Driver
 
 

Prepare the Tools and Equipment
Prepare all the necessary tools and equipment required for the repair process, including a multi-meter, desoldering pump, solder wick, wire cutters or strippers, soldering iron and solder, replacement components, and a screwdriver set.

 
 

Open the LED Light
Carefully remove the LED light cover or casing using a flat-head screwdriver to access the internal components. Ensure to keep the screws or clips on the side safely.

 
 

Identify the Problem
Identify the problem with the LED light driver to help you troubleshoot and locate the faulty components. Common issues include complete failure, flickering lights, dimming, or no output. Also, inspect the LED driver for visible damage signs, such as burnt components or loose connections.

 
 

Check the Capacitors and Diodes
Faulty capacitors and diodes are the leading cause of LED light driver issues. Look for capacitors with bulging or leaking electrolytes. Using a multimeter, test these components by checking their voltage readings to ensure their proper functioning.

 
 

Replace Faulty Components
Integrated circuits are critical components in LED light drivers. If you suspect faults in these components, desolder and replace them with new ones and ensure to align their pins correctly. It is advised to consult the data-sheet to understand the bespoke components' functionality and pin configuration for proper pins alignment.

 
 

Inspect and Repair Connections
Loose or damaged connections can disrupt the current flow, leading to LED light driver problems. Inspect all repair connections, including solder joints, cleaning older solder and wire connections. If there are loose connections, resell them to ensure a secure and reliable electrical connection.

 
 

Test and Reassemble the Repaired LED Light Driver
Once you have repaired or replaced the faulty components, reassemble the LED light driver. Double-check all connections to ensure they are secure and properly soldered.

 
 

Final Checks
Before reconnecting the power supply, perform a final test to confirm the LED driver is functioning correctly. Measure the output voltage and verify it matches the LED light's specifications.

 

 

Certifications

 

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Our Factory

 

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.

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Frequently Asked Questions
 

Q: Does the isolated driver cost more?

A: Isolated LED drivers typically cost more than non-isolated LED drivers. This is because the isolation transformer or other isolation technique used in isolated LED drivers adds complexity and cost to the driver. Additionally, the manufacturing processes for isolated LED drivers may be more expensive, as they require higher levels of quality control to ensure the electrical isolation is maintained.

Q: What is the function of an LED driver?

A: LED drivers provide a bridge between mains power supply and LED lights, converting medium and high Voltage alternating current to lower Voltage direct current.

Q: What is an LED Driver?

A: LED driver is a power regulator. Technically it is a circuit that is responsible for regulating and supplying the ideal current to the LED. The LED driver provides power and regulates the variable needs of LEDs by providing a constant amount of power as its properties of change with temperature. LED drivers rectify higher voltage alternating current to low voltage.

Q: How do you identify isolated or non-isolated LED drivers?

A: The easiest way is in the dc output. Drivers with very high DC output have to be non-isolated. Isolated drivers can reduce and control the current like a true transformer. In most driver models, the DC is listed somewhere. An SS-320VP-56 means 320 watts and 56 dc output. That ratio of 320w and 56 DC has to be isolated. See ones that are 50watts and 150 and you know it non-isolated.

Q: Which is more efficient - the isolated or non-isolated LED driver?

A: The non-isolated will often achieve 3-5% more lumens per watt and thus be more efficient. This is because the isolation reduces some of the power efficiency of the driver. For example, in a 150-watt non-isolated driver, a small portion is lost, usually under 1% in an isolated driver that may be 2%, and thus drop the fixture's efficiency. The safety and reliability make up for the slight decrease.

Q: What are things to consider when selecting an LED driver?

A: The output current. Check the current requirements of the LED lights you're using. If you're using a constant-current driver, it will need to reflect that output.
The output power. The output power is provided in watts. At a minimum, your LED driver should have the same output power as your LEDs.
The output voltage. If you're using a constant-voltage driver, it needs to have the same output voltage as your LED voltage requirements. If you're using multiple LEDs, add the voltage requirements together to determine the output voltage your driver needs. If you use a constant-current driver, make sure the output voltage exceeds the requirements of your LED lights.

Q: How do you know if a driver is a constant voltage or constant current?

A: To differentiate between the two types of drivers, constant voltage drivers maintain a consistent voltage, where the current can fluctuate depending on the required power. On the other hand, constant current drivers provide a consistent current, and the voltage fluctuates depending on the power required.

Q: Why do LEDs need drivers?

A: LEDs need drivers to protect them from voltage or current fluctuations that could cause overheating or premature failure. The driver ensures that the LED receives the right amount of power to operate efficiently.

Q: How do I choose the right LED driver?

A: Choosing the right LED driver involves considering several factors, including the power requirements of your LEDs, the driver's efficiency, its dimming capabilities, and its input/output voltage. It's also important to consider the installation and safety aspects, as well as the driver's compatibility with your LEDs.

Q: What are some common issues with LED drivers?

A: Common issues with LED drivers include overheating, flickering lights, and inconsistent brightness. These issues can often be resolved by ensuring proper installation, choosing the right driver for your LEDs, and addressing any power supply issues.

Q: What are some advanced features of LED drivers?

A: Some advanced features of LED drivers include smart capabilities, such as integration with home automation systems, and programmability, which allows you to customize the performance of your lights.

Q: What are some design considerations when choosing an LED driver?

A: When choosing an LED driver, it's important to consider aspects like thermal management and the size and form factor of the driver. These factors can influence the performance and lifespan of your LED lighting system.

Q: How does the cost and lifespan of an LED driver impact my LED lighting system?

A: The cost and lifespan of an LED driver can significantly impact the overall cost and lifespan of your LED lighting system. Investing in a high-quality driver can lead to long-term savings through lower energy costs and a longer lifespan for your LEDs.

Q: What is the environmental impact of LED drivers?

A: LED drivers can contribute to energy efficiency and sustainability by reducing power waste and delivering more power to the LEDs. At the end of their life, LED drivers should be disposed of responsibly to minimize environmental impact.

Q: How do you calculate LED driver size?

A: The maximum number of LEDs you can run from a single driver is determined by dividing the maximum output voltage of the driver by the forward voltage of your LED(s).

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LC20S

 

Performance

 

Model

LC20S-800250

Input

Efficiency

85%@220Vac full load

Voltage

200-240Vac

Frequency Range(Hz)

50Hz

Power Factor

≥ 0.95@230Vac full load

THD(full load)

<20%@230Vac full load

AC Current(max)

0.1A@230Vac full load

Standby power

<1W

Inrush current

(cold engine start) max

9.8A@230Vac

peak value

10.05A@230Vac

Leakage current (max)

0.11mA

Output

Current(mA)/Voltage (VDC)

Power(W)

50-80Vdc/250mA/20W

Current ripple

 

<5%

Linear Regulation

±5%

No-load output voltage

<100V

Start Time

 

<1S@230V

auxiliary voltage

12V/100mA

Dimming range

10%-100%(optional)

Protection

Over Temperature

When temperature is too high,shut down the output,

Recovers automatically

Over load

Hiccup, when the output power exceeds ,then,recovers automatically after fault removed

Short Circuit

Close output,recovers automatically after fault removed

 

Physical

Length

199 mm

Width

31 mm

Height

21.5 mm

Mounting Length

196mm

Weight (g)

143.5g

 

Environmental

Operating Temperature

-20°C to 50°C

Storage Temperature,Humidity

-20°C to 85°C,20-90%RH

Case Temperature

TC=90℃

Warranty Tc

85°C max for 50k Hr Life

Surge protection

L-N 1KV , L/N-FG 2KV

IP Rating

IP20

Material

Iron shell

Certificate

CE /TUV/3C/CB/SAA certificate

 

Series Driver

Model

Max Power

Input Voltage

Output Voltage

Output Current

Power Factor

Power

Regulation

Efficiency

LC20S-080250

22W

200-240Vac

50-80Vdc

250mA

0.9

Adjustable

84%

LC40S-120500

40W

200-240Vac

50-120Vdc

350-500mA

0.9

Adjustable

89%

LC60S-170500

60W

200-240Vac

72-170Vdc

350-500mA

0.9

Adjustable

92%

LC70S-190500

75W

200-240Vac

72-190Vdc

250-500mA

0.9

Adjustable

92%

 

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