Global warming has drawn enormous attention to green energy and DC house application. Many countries have started to promote energy-saving and safer electricity usage. MEAN WELL develops direct current (DC) input LED drive power supply, the LDH-25/65 series for green energy LED lighting applications, including LED solar street lights or equipment with secondary battery applications, such as camping car/yacht applications. LDH-25/65 series provide customers options for reducing conversion losses between DC bus to DC/DC driver. LDH-25/65W which are d...

As an important part that influences the reliability of LED lighting fixtures, LED driver’s quality and stability are pivotal to the lifespan of the whole lamp. In recent years, as the LED lighting industry entered a mature period of stability, LED driver manufacturers started to seek breakthroughs and innovation. Rising of niche markets has brought new business opportunities to the LED driver industry, leading to another round of competition. Meanwhile, ever-changing market environment has presented new difficulties and challenges to the industry, making manufacture...

LED Driving Design Structure LED modules are typically driven by one of the three structures listed below: - A constant current (CC) LED driver connects to LED directly, luminance controlled by LED driver’s output current. - A constant voltage (CV) LED power supply, typically 12V or 24V, connects to LED strips or tubes which have resistor or simple current limiting circuit on the LED PCB. The resistor or current limiter defines the current and luminance. - Cascade connection of a CV power supply and a DC-to-DC converter (DC/DC) an...

With continuous developments of LED display technology, the market share of full-color LED displays has been increasing in recent years. The characteristics of its high-brightness and high-resolution are widely favored by most advertisers and real estate developers. For a better watching experience, people require higher demands on clarity and resolution. As a result, the small-pitch LED display has become a trend. As full-color small-pitch LED display can achieve better graphics images and videos displaying effects on smaller screens, the range of the applications are gr...

MEAN WELL introduced the LSP series, a new miniature enclosure-type power supply developed to provide equipment with high stability and redundant functions. Slim width (55mm) and low profile(20 mm) case with fanless design is a perfect fit for indoor noise-free equipment or narrow-sized display applications. In addition to the miniature mechanism design, the new product is featured with fanless design that solves noise and lifespan issue at the same time. In addition, the output provides DC available and current sharing (redundancy) function to monitor and parall...

Signify launched the upgraded portfolio of compact Philips Xitanium Sensor Ready Xtreme LED drivers with the recently granted D4i certification for wider adoption of IoT connectivity in lighting and aid smart city or building projects. (Image: Signify) By Q2 2020, Signify will also upgrade the complete non-isolated Philips Xitanium Dimmable Sensor Ready drivers portfolio for indoor applications to the new D4i standard, to facilitate the rapid market adoption of energy-saving technologies and drive standardization. Launched by the Digital Illumination Inter...

The XBG series is a new generation LED driver with a patented circular case mechanism design for bay lights and floodlight applications. The main differences compared to the previous version of HBG series are the circuit design with constant power output and complying with the latest safety regulations with isolation between output and dimming lines. But the product keep mounting holes at the same place for easy replacement. In addition, the overall design also confirm with the SELV (Safety Extra-Low Voltage) regulation, which reduces the complexity of the lighting insul...

MEAN WELL, the leading standard power supply manufacturer, continues to promote the building automation technology for a green and sustainable society. In order to enlarge its KNX product variety to meet the needs of end customers and system integrators, MEAN WELL unveiled the KNX LED driver PWM-60/120KN. PWM-KN series is an AC/DC LED driver featuring constant voltage mode with PWM style output, which is able to maintain color temperature and brightness homogeneity when driving all kinds of LED strips. Its KNX interface also helps to ...

MEAN WELL, the leading standard power supply manufacturer, continues to promote the building automation technology for making a green and sustainable society. In order to enlarge the KNX product variety to meet the needs of end customers and system integrators, MEAN WELL is pleased to unveil the LCM-25KN to complete the product series after the launching of LCM-40/60KN to the market. LCM-25KN series is a 25W AC/DC constant current mode output LED driver featuring the multiple levels selectable by dip switch and the KNX interface, avoiding usin...

The annual exhibition of the lighting industry— Hong Kong International Lighting Fair (Autumn Edition) will be staged from October 27 to 30, 2019 at the Hong Kong Convention and Exhibition Centre (HKCEC). Highly recognized by visitors, MEAN WELL decides to apply last year exhibition pattern by showing up at 5th floor, the LED & Green Lighting zone, with booth No. 5C-A26 and at 1st floor Hall of Aurora with booth No. 1C-D25 to present brand image as the reliable power partner. MEAN WELL is ready to welcome visitors at the fair. Wi...

MEAN WELL new ultra-slim SLD-50 series is officially released after the SLD-80 series. With the launch of SLD-50 series, the whole linear type product line is fully completed. The SLD series is especially suitable for decorative lighting/advertising light boxes and linear luminaires. In addition to ultra-slim size features, this series also meets SELV and isolation circuit design, which is suitable for usage in various indoor lighting fixtures. Another key point is the 56V model that adopts the constant power output design and is applicable for LED design...

One major market trend in the LED lighting industry is to make LED luminaires intelligent. MEAN WELL is dedicated to designing innovative power supplies and has developed the LCM-40/60BLE LED driver with a Bluetooth mesh networking solution. The new driver allows customers to control luminaires using Bluetooth Low Energy 4.0 mesh protocol with their smartphones or tablets to set up settings and controls. Working with the European company Casambi, which is dedicated to developing Bluetooth mesh networking solutions, MEAN WELL has integrated the B...

MEAN WELL unveils the new linear type SLD series with both mechanism and specification strengths. The 12V/24V models are the constant voltage and current mode for any 12V/24V LED strip application in the market. As for the 56V model, it applies the constant power mode, which downsizes the model numbers. The 56V model is suitable for any LED luminaires design with output forward voltage between 30V to 56V. The built-in potentiometer design is kept for the user to flexibly adjust output driver current from minimum 700 mA to maximum 2100 mA. (CP mode full power ...

The HBGC-300 series is a newly developed LED driver for bay light and outdoor floodlight luminaires applications with DALI 2 dimming function which can operate with intelligently dimming control to increase the luminaire’s value and functions. Besides, the HBGC-300 is designed with MEAN WELL’s patented metal housing (Patented No. CN201220314551) and is able to operate with constant power mode to avoid the compatible issue and reduce the output models. HBGC-300 provides three in one and DALI 2 dimming function. Also the series is complian...

In 2008, MEAN WELL officially released the first LED power supply – CLG-150 series and stepped into the potential LED market. Until now, the selling quantity of LED related products is uncountable. Having a special opportunity, MEAN WELL received several pieces of the CLG-150 products which were manufactured in 2008. A detailed investigation and analysis were executed, and the result is shared below. The number of the components could be from dozens to hundreds depends on the wattage and topology of power supply. Each component is applied to the ...

As LED technology matures, applications abound and burst upon the GILE scene. Apart from common lighting products, smart lighting and horticulture lighting also formed the focus of display for many suppliers. But behind the shines and shimmers of all those LED applications lay concealed a quiet but vital component: LED drivers. Taiwanese power supplier MEAN WELL may very well be the great demiurge of LED drivers, reaching worldwide fame with its brand and standard products and remaining at the vanguard of the turbulent and tumultuous LED industry. At GI...

The ELGC-300-DA series is a newly developed LED driver with DALI 2 dimming function which can apply to intelligent dimming control interface and further increase the value of luminaires Besides, the ELGC-300 series adopts the constant power mode design to reduce the compatible issue. It is also equipped with 3 in 1, DALI 2 and programmable dimming functions. The isolation design between the output and dimming cables is added to enhance the safety of luminairy usage. ELGC-300 series is compliant with the latest safety regulation: IEC61347/ UL8750 and GB...

The 2019 Taiwan International Lighting Show (TILS) rounded off in the beginning of May. The show demonstrated that LED technology has delved deep into general lighting, and major LED lighting manufacturers have expanded to multiple niche applications. However, regardless of the changes and upgrades in applications, LED driver is always the core element of lighting and the heart of electronic application. As LED lighting moves towards differentiation and niche development, how will LED driver, the star behind the scenes, play to its strengths and keep up with th...

To offer a complete product choice, the XLG-150/200 series (150/ 200W) was officially unveiled after the launch of XLG-25/50/75 /100 series (25/50/75 /10W). The whole series adopts constant power mode design, which is convenient for customers to design and adjust driver current for various LED light sources. Besides, adopting constant power and wide current range adjustable design, XLG series has other voltage output choices, such as 12V/24V output for constant voltage applications. L/M/H types output for constant current applications can fulfill customer’s d...

To select a LED driver with a proper voltage operating range (Constant Current region) may look fairly easy, but this article will explain that it is not that straight forward. Firstly, one has to realize that LED forward voltages are not identical from die to die. Secondly, the LED voltage varies when the junction temperature goes up or down. Since a correct working of the driver is crucial to the functionality and reliability of the lamp, it is worthwhile to look more into details of these factors which affect the LED voltage. This article explains the typical concerns o...

After MEAN WELL received good feedbacks form the market after the launch of XLG-25/50 series (25/50W), it officially unveiled the XLG-75/100 series (75/100W). With the constant power mode design and other advantages, it is believed that the XLG-75/100 series not only meets customers’ demands for medium wattage, but further facilitates various LED light sources design and current adjustment. In response to the miniaturization trend of the lighting fixture design, MEAN WELL R&D team expertly designed the XLG series, with a reduction of dimen...

Seoul Semiconductor filed a patent infringement lawsuit for infringement of its LED driver patents against SATCO Products (SATCO). Seoul Semiconductor claimed that SATCO is selling various LED lighting products that infringe 11 patents of Seoul Semiconductor’s LED driver technology, including U.S. Patent 7,081,722, U.S. Patent 9,807,828; U.S. Patent 8,513,899; and U.S. Patent 8,716,946. The asserted LED driver patents are widely used in replacement bulbs in the form of incandescent or fluorescent lamps, wall-mount lights, and ceiling ...

The XBG-160 series is a newly developed LED driver for high bay and outdoor luminaires applications. With its patented appearance and cutting-edge circuitry design, XBG series is believed to create a sensation. XBG-160 series adopts the MEAN WELL patented metal housing circular design (patent number CN201220314551). The constant power circuitry design of the XBG series enables users to easily adjust drive current and greatly reduce the SKU of models. In addition, AC input cable with waterproof connector and the general AC input cable are offered by op...

The emerging trend of smart lighting and Internet of Things, requires a new generation of LED drivers. Infineon Technologies introduces the new member of its XDP™ LED series, the XDPL8221 for cost-effective dual-stage drivers with advanced features. This device combines a quasi-resonant PFC and a quasi-resonant flyback controller with primary side regulation together with a communication interface. A comprehensive set of configurable protection mechanisms (standard and sophisticated) ensure safe, reliable and robust LED driver for a large set of use cases. Th...

About two years ago, MEAN WELL decided to add DALI function to the current PWM style output LED Driver — PWM-120 series, which led to a wide and huge positive feedback from the market. To further satisfy customers’ demands, the DALI function is added to the current PWM-60/90 series, through which, we believe broader applications can be covered. PWM series is a PWM (Pulse Width Modulation) design with constant voltage output product which can operate with the regular LED soft strip for decoration application and further for any DC in...

MEAN WELL is thrilled to introduce the new LED driver, FDHC-100 series. The release of FDHC -100 series means MEAN WELL offers wide product selection for our customer and our products can be applied to not only in the Indian market but other countries. FDHC-100 series is specially designed with AC input over voltage cut-off function for areas with unstable electricity supply. With such a function, the reliability of LED driver becomes higher and can even extend the lifetime of luminaires. There are two main output current for FDHC-100 series, inclu...

US-based Environmental Lights announced its new RGB 160 Degree LED Light Bar for shallow backlighting applications. Each RGB 160 Degree LED Light Bar is equipped with six high power RGB LEDs for bright and consistent illumination. The light bars utilize an optical lens over each LED to ensure even distribution of light with a wide beam angle of 160 degrees. The wide beam angle of the RGB 160 Degree LED Light Bars enables users to illuminate shallow light boxes and reduce hotspots using fewer light bars. (Image: Environment Lights) Featured...

Driving LED by constant power mode has been a popular topic recently. Why do LEDs must be driven by the constant current? Why not with a constant power source? Before discussing the above issue, we have to understand why the LED must be driven by a constant current. As shown in Figure (a) LED I-V curve, when the LED forward voltage changed about 2.5%, the current through the LED will correspondingly change about 16%, and forward voltage of the LED is easily affected by junction temperature. The change of high and low temperature may even make the voltage chan...

Monitoring LED drivers and controlling lighting function have become critical with increasing applications of LED products. Lighting companies and system producers develop new solutions for meeting the needs of various operations. Tridonic launched a set of various software tools for optimizing production errors and EnOcean will display its wireless sensor and control system for LED lighting. Tridonic released companionSUITE, a dynamic set of various software tools for long-term process optimization. The software gathers information of LED drivers and provides lumi...

For LED luminaires application, MEAN WELL officially releases the new generation waterproof LED driver series—XLG series. The whole XLG series, which has been highly expected by the market, covers from 25W to 250W. It can be used for LED Bay light/Street light/Horticulture lighting and flood light applications. XLG series applies the constant current and constant power design, which remarkably enhances the convenience of integrating model selection. The design of XLG Series makes the model selection easier and reduces the pressure of stock. (I...