Fairchild Semiconductor's Global Power ResourceSM Center (GPRC) in Shenzhen, China, develops an integrated power and backlighting solution for the fast-growing LED-backlit LCD TV market. The new solution is for 46-inch LED TVs. According to Fairchild's test results, the power of the new solution can be reduced to less than 110W compared to the 180W power required for a normal CCFL solution. This GPRC innovative solution has the obvious low power consumption and energy efficiency, allowing engineers to quickly develop products and reduce time to market.
The new design features high performance power factor correction (PFC), high efficiency DC/DC, current balancing and system protection, and is the first all-in-one offered by semiconductor manufacturers on the market today (from AC/ DC to LED backlighting) one of the solutions. Its low power consumption and energy efficiency combined with a slim package for ultra-thin design make it ideal for 32- to 55-inch LCD TVs.
Fairchild's GPRC team and Field Application Engineer (FAE) developed this energy-efficient solution using the company's extensive product portfolio, reducing component count and system cost while significantly simplifying the design process. Designed for LCD TVs, the FAN7930 PFC controller improves PFC values ​​and achieves high levels of integration. The FSFR1700L is an LLC all-in-one solution that is optimized for LCD TVs and enables efficient, thin designs. The multi-channel current balancing solution controlled by a microcontroller (MCU) uses phase shifting technology to improve display quality by reducing screen brightness flicker and provides a variety of system protection features.
Chen Kunhe, vice president of sales and marketing for Fairchild Semiconductor China and Southeast Asia, said: "At Fairchild, our first priority is to work closely with our customers to develop practical energy-efficient solutions. Our global power resources in Shenzhen. Center staff and field application engineers have been working tirelessly to help design engineers introduce innovative designs for LED TV solutions, and we are proud of it."
The solution demonstrates Fairchild's reputation for energy-efficient solutions by reducing power consumption while meeting the requirements of the US Energy Star and mandatory California Energy Commission (CEC) standards. .
Chen Kunhe concluded: "Fairchild's Greater China GPRC has the expertise and experience to continue to play an important role in enabling us to develop energy-efficient solutions that meet the needs of today's fast-growing emerging markets. Fairchild Semiconductor The latest integrated circuit technology and system know-how, as well as consistent technical support, help customers quickly introduce new LED TV solutions. Our FAE can fine-tune solutions to meet the specific needs of each customer, as well as provide technical reports and demos. And design application support services until the customer achieves mass production."
Fairchild GPRC is a valuable resource for system design engineers, enabling them to quickly differentiate designs and reduce time-to-market. Fairchild's Global Power Resource Center is designed to deliver innovative, energy-efficient solutions for a wide range of applications, both locally and globally. The solution described in this paper was developed by GPRC in Shenzhen. Fairchild Semiconductor also has two global power resource centers in Shanghai and Taipei in Greater China.
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