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As China's LED industry faces overcapacity, LED prices have fallen rapidly and are beginning to grow into the lighting market. According to the TrendForce study, the LED lighting market will reach $35.3 billion in 2014, up 47.8 from this year.
Optimistic about this market, analog chip design factory Dialog recently acquired digital power management chip supplier iWatt, entered the LED market, and launched a 16-channel LED backlight driver power supply iW7025 on the 15th.
Dialog used to focus on the development of highly integrated mixed-signal integrated circuits, and saw iWatt's leading position in the AC/DC adapter market. Scott Brown, vice president of the power conversion business group (formerly iWatt), pointed out that by acquiring iWatt, it integrated The advantages of digital power control and AC/DC power conversion allow Dialog to gain a dominant position in the end market.
Due to the complex structure of the LED, the heat dissipation problem is a big challenge. LiangYan, vice president of the Dialog System Engineering and Marketing Division, pointed out that the design of the digital power supply can reduce the problem of poor heat dissipation of the LED. Therefore, Dialog also absorbed iWatt's extensive experience in LEDASSP and entered the LED market, launching iW7019, iW1679, iW1766/67 and many other products. ScottBrown said that compared to competitors, Dialog has reduced the LED current through the advantages of power management, reducing LED heat dissipation and achieving low-cost targets.
In addition, Dialog also released the latest LED backlight driver power supply iW7025 on the 15th, expanding Dialog's target market to LCD TV backlight power management. The iW7025 is a 16-channel LED backlight driver with patented short-circuit protection technology that enhances the image quality of next-generation 2D and 3D LCD TVs.
Because LED TVs often face a major challenge - how to dramatically reduce motion blur and improve contrast, traditional LED driver power supplies often require complex calculations and algorithms to configure the LED current phase to achieve optimal synchronization of LCD panel backlight and film refresh rate. . To this end, Dialog uses the patented dimming technology AnyMode to synchronize the same or higher frequencies with the film with continuous, non-continuous PWM signals, reducing the complexity of the design. ScottBrown pointed out that in addition to reducing the cost of parts, the iW7025 can also meet the requirements of medium to large screens for different sizes in the same model, and can meet the existing TV power system specifications without a separate voltage source.
The LED lighting market will reach $35.3 billion in 2014