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Fairchild's New LED Lighting Solutions Simplify Development of Smart LED Lighting Products
The FL77944 LED Direct AC Drive Solution Offers Superior Performance and Size Advantages Over a Multiple Component Approach
Fairchild have introduced the new FL77944, the first solution in its LED Direct AC Drive family of solid-state LED lighting solutions
that manufacturers can use to easily scale power and create smart and scalable LED-based lighting products that can be smaller,
have higher performance and a longer system lifetime compared to products using the switch mode power supply (SMPS) approach.
“Our FL77944 LED Direct AC Drive is a superior solution for solid-state LED lighting systems compared to expensive
light engines based on SMPS technology,” said Gaurang Shah, Senior Vice President, Power Systems Business Group at Fairchild.
“The FL77944 is a cost-effective integrated circuit with everything manufacturers need for smart LED lighting products
so they can accelerate time-to-market and focus on differentiating features, rather than spending precious time cobbling together
The advantages of the new FL7794 include:
- Comprehensive dimming capabilities - The FL77944 has all the important dimming capabilities
required for smart lighting products, including phase-cut dimming as well as analog and PWM dimming,
which is also key for wirelessly connected lighting.
- Scaling for higher power applications - The FL77944's ability to scale to support higher power applications
up to 120W by wiring products in parallel is a critical feature. This reduces the number of different ICs
that manufacturers need to keep in inventory.
- Elimination of electrolytic caps - The FL77944 can eliminate the need for electrolytic caps, transformers and
inductance coils. This reduces both the bill-of-materials (BOM) costs and the overall complexity compared
to designs using SMPS.
- Reduced board space - The FL77944 enables designers to reduce their board space requirements by
locating the controller IC on the same PCBs as the LEDs and by eliminating the need for electrolytic caps,
transformers and inductance coils.
- Improved reliability and longevity - Products based on the FL77944 should be more reliable and last longer
than SMPS-based products as there are inherently fewer points of failure. In particular, eliminating the
need for electrolytic capacitors should improve reliability as they are a common source of failures
in SMPS-based products.
The company's Web site address is www.fairchildsemi.com.
[Reprinted with kind permission from Fairchild Semiconductor - Release Date: 20th May, 2016]