Catalyst push 16 channel I2C interface LED flash controller

Catalyst semiconductor products for the bus to add a new 16 channel I2C/SMBus interface LED driver / flashing controller. CAT9552 can be programmed for up to 16 LED flash or on / off drive. The product is suitable for use by the flashing LED advertising sales signs and with on / off LED indicator of a variety of consumer or industrial equipment.

The CAT9552 contains an internal oscillator and two programmable on / off or flicker frequency timers, which can range from 0.02 seconds to 5.8 seconds. Compared with the traditional bus extender, built-in oscillator and a programmable timer structure to reduce the number of components of the whole system and can significantly reduce the I2C bus data flow. Another feature of CAT9552 is that ports that are not used as LED control can be used as an ordinary I/O port.

The characteristics of the product

16 open drain outputs, each driving current of 25mA

Two programmable timer on / off or flicker frequency (beats can be from 0.02 seconds to 5.8 seconds)

I/O port can be used as general-purpose I/O port to use

Package: 24 pin SOIC, TSSOP and 24 TQFN package (size 4x4mm)

Price and delivery

CAT9552LED drive / flash controller in order quantity of 10000 pieces, each price of $1. Sample available now. 6 to 8 weeks after receipt of orders

Source: International Electronic Business