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16-channel I2C LED blinker
( 01 Sep 2008 )
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• The CAT9552 LED driver/blinker drives up to 16 LEDs in either programmable flashing or “on/off” modes
• It is ideal for applications including advertising point-of-sale signage with flashing LEDs, and any type of consumer or industrial equipment with “on/off” LED indicators
• Designed with an internal oscillator and two programmable “on/off” or “blink” rate timers, adjustable from 0.02 to 5.8 seconds. This oscillator and its two timers reduce overall parts count and substantially reduce the I2C bus traffic, which would normally occur if traditional bus expanders were used
• An added benefit is that I/Os not used for controlling LEDs can be used as general-purpose I/Os (GPIOs)
• Packaging: 24-lead SOIC, TSSOP and 24-pad TQFN (4mm x 4mm)
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