Tokyo Electronics Co., Ltd. has developed the LED driver "TE7118PF", which can drive up to 21 RGB LEDs and has begun to sell. The driver has a 3-channel output terminal with a maximum withstand voltage of 28V. Each channel can drive 7 serial LEDs. It is mainly used for backlights for liquid crystal displays in the industrial and entertainment fields, as well as indoor LED lighting.
Equipped with a 3-channel constant current control circuit, the output current can be changed from 5 to 30 mA depending on the external resistance to adjust the brightness of each channel. The maximum switching frequency is 20MHz. Support daisy chain connection.
The package is a 20-terminal TSSOP. Sample shipments began on November 11, 2008, and mass production is scheduled for December 2008. The standard price for 10,000 batch purchases is 200 yen (excluding tax). The sales target for 2009 is 100 million yen.
In addition, the Tokyo electronic components will be exhibited at the "Embedded Technology 2008" held at the Yokohama Convention and Exhibition Center in the Pacific Ocean from November 19 to 21, 2008.
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