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5 Important Factors When Buying LED Drivers

WILMINGTON, Mass.--(BUSINESS WIRE)--Jul 31, 2017--Osram, a leading global lighting and technology company, today announced its OPTOTRONIC®Dual-Mode Programmable Emergency LED Driver, the market’s first programmable single-driver solution for emergency Solid State Lighting fixtures, which offers the ability to program and customize the light output in both normal and emergency operations.A separate snap-on battery pack with harness, available in slim, linear and compact options, powers emergency lighting in the event of an outage and provides up to 18W in back-up mode. The complete solution reduces the number of components required per emergency luminaire, substantially simplifies in-fixture wiring, and enables OEMs to better tailor their fixtures to application requirements while reducing the number of SKUs they must inventory.

Industry’s First Dual-Mode LED Driver with Programmable Emergency Light Levels Offers OEMs Greater Flexibility, Simplifies Manufacturing (Photo: Business Wire)

“Emergency lighting luminaires typically require a dedicated emergency driver, a dedicated LED driver and numerous wiring connections, creating a complex manufacturing process and often compatibility issues for OEMs,” said Tom Shottes, Head of Osram Digital Systems, Americas Region. “Osram’s new OPTOTRONIC® Programmable CE Emergency LED Driver combines the emergency and standard LED drivers into one solution, addressing key issues experienced by OEMs. The ability to program and tailor the light output in both standard and emergency mode offers additional value and flexibility in designing emergency lighting fixtures.”

The National Fire Protection Association’s code has a minimum requirement of one foot candle of light on the ground for at least 90 minutes to allow people to safely and efficiently exit a building in the event of an emergency. A programmable emergency driver solution enables OEMs to support customers with tailored and optimized emergency led driver accessories, irrespective of the building architecture, space and lighting plans.

The lamp inrush current on switching LEDs has become an area of concern in the lighting industry. ‘Inrush current’ of the LED drivers refers to the input current of short duration that flows into the LED driver, during the initial start-up, to charge the capacitors on the input side. Typically, this is a short duration current, whose amplitude is much greater than the operating or steady-state current. The inrush current is due to the EMC filter on the input and bulk capacitor on the boost circuit this is inherent to the LED technology.

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