AnalogicTech(TM) Launches Family of Direct and Edge LED Backlighting Drivers; Unveils Strategic Roadmap for LED Backlit LCD Televisions

Advanced Analogic Technologies, Inc. (AnalogicTech), an analog semiconductor company focused on powering innovative solutions in consumer, industrial, and communications markets, Wednesday made its official move into the LED backlit LCD television market with the first chip set families in a series of innovative power management semiconductor systems designed to significantly enhance energy efficiency and user-experience for LED backlit LCD televisions.

The intelligent control of LED current sinks in direct/matrix backlight applications can provide precise brightness of individual segments based on image content and can give the consumer truer blacks and improved contrast for a significantly better, more natural viewing experience. Dynamic LED backlighting also makes it possible to meet the increasingly stringent energy consumption specifications for large panel TVs such as the state of California is considering.

"The unique design and process advantages of our proprietary ModularBCD(TM) process allow the effective integration of low voltage digital circuitry with high-voltage analog circuitry. This combination enables the dynamic management of high current, high voltage LED current sinks and results in significant power savings," added Williams.

As its initial entry point into the LED television market, AnalogicTech announced 7 new products:

LED Driver Chipset with Integrated Boost converter for Direct/Matrix Backlighting
AAT2400 (8ch Master) & AAT2401 Unlatched (8ch Slave) Chipset
AAT2402M (8ch Master) & AAT2402S Latched (8ch Slave) Chipset
Dedicated LED Driver for Direct/Matrix Backlighting
AAT2403 (16ch) Latched LED Driver
Dedicated LED Driver for Edge Backlighting
AAT2405 PWM with phase shift (6ch) LED Driver
AHK2417E Latched (8ch) LED Driver
AHK2418E Latched (16ch) LED Driver
DC/DC Boost Controller
AAT2404 High Voltage Boost Controller

These devices utilize AnalogicTech's patent pending Multiple Chip Voltage Feedback technique that ensures the proper LED supply voltage is simultaneously regulated across up to 16 chipsets (or 256 channels) allowing precise control of up to 2560 LEDs for direct or dynamic backlighting solutions or up to 16 channels for Edge.

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