Products, Materials & Tools | Dec 22, 2010

Sharp Develops and Will Introduce LED Controller for Indoor Lighting - Adjust Brightness and Color

Sharp Corporation has developed and will introduce the LR56001 LED controller for LED ceiling lights, allowing users to adjust the brightness and color of three types of LEDs: cool white, warm white, and night light.
Product name    LED controller for indoor lighting
Model name    LR56001
Sample price    450 yen
Sample availability date    December 22, 2010
Mass production date    January 31, 2011
Monthly production    100,000 units

Major Features:
1.  A three-channel independent control allows brightness and color adjustments to be made for three types of LED ceiling lights (cool white, warm white, and night lights).
2.   Built-in chopper circuit contributes to greater energy efficiency for LED lights.

Specifications:

Product name      LED controller for indoor lighting
Model name    LR56001
Output channels    3
Operating voltage    Core: 5.0 V ± 0.5
   I/O: 3.3 V ± 0.3 / 5.0 V ± 0.5
Consumption current    TYP. 12 mA
Operating temperature    -40 °C to 85 °C

The demand of long-life, energy-saving LED lighting is growing and its use is expected to expand for indoor lighting fixtures, such as ceiling lights and light bulbs.

The LR56001 LED controller can independently control up to three types of LED lights. This allows the user to choose among three types of ceiling lights—cool white, warm white and night light—with each at the desired level of brightness. By adjusting the brightness of cool white and warm white lights the user is able to change the color emitted, anywhere from a warm red color to a cool light blue color. Further, the LR56001 has a built-in chopper circuit*1, which prevents power loss even when the forward voltage*2 of the three types of LED differs.

With this entry into the market for LED controllers for indoor lighting, Sharp will bring improved convenience and energy efficiency to LED lighting.

About Sharp:
Sharp Corporation (TSE: 6753) is a worldwide developer of innovative products and core technologies that play a key role in shaping the future of electronics. As a leader in liquid crystal displays (LCDs) and digital technologies, Sharp offers one of the broadest and most advanced lines of consumer electronics, information products and electronic components, while also creating new network businesses. For more information, please visit www.sharp.co.jp.


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