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Seoul Semiconductor Launches the World’s Smallest LED Driver for Japan Lighting Market

Published: Mar 14,2018

Seoul Semiconductor has developed the industry’s smallest 100V / 24W LED driver for Japan lighting market. The NanoDriver Series LED drivers employ Seoul’s patented Acrich technology to produce an ultra-miniature device to drive LED circuits from 8 – 24W with 100V input designs with low flicker requirements.

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“The NanoDriver Series LED drivers will have an significant impact on lighting fixture design, enabling the smallest size luminaires while still delivering high efficacy and low flicker using our patented AC technology” explained Keith Hopwood, executive vice president at Seoul Semiconductor.

“Fixture manufacturers can significantly reduce the size, weight and volume of their luminaire designs, thus providing their end customers with a highly efficient, less bulky light fixture”, Hopwood continued. “The NanoDriver Series’ superior efficacy, low flicker, and small size is the result of Seoul Semiconductor’s continued research and development in AC LED technology, which delivers a unique power topology that results in smaller size, increased efficiency and lower costs”

The NanoDriver Series devices are ideal for applications such as flush mount, wall sconce, vanity and downlight fixture applications. The NanoDriver Series overcomes the problem of the limited space in lighting fixtures for the electronic controls, it had previously been difficult to convert these applications to LEDs, as there was no space for conventional driver components and circuitry.

The NanoDriver Series LED drivers are designed for controlling luminaires up to 3,000 lumens, making possible the integration of the external converter with the control circuitry. The reduction in size for control circuits made possible by the NanoDriver Series facilitates mounting more light sources on the PC board or reducing the overall size of the fixture and its mounting plate. The NanoDriver Series devices are also small and lightweight enough to make airfreight practical and economical, reducing lead times and streamlining the supply chain.

The NanoDriver Series is available in two models rated for output power of 16W and 24W, for LED assemblies operating at input voltages of 100V (50 – 60Hz). The drivers have typical efficiencies of 85% and up to 150lm/W fixture efficiency, depending on the LEDs and configuration used. They feature power factor correction (PFC) of <0.9, with an over-temperature protection feature that limits the LED current at temperatures above 160°C. Operating temperature range is -40° to +70°C (ambient) and -40° to +140°C (case temperature).

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