Datasheet Summary
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16-Channel I2C-bus LED Driver with Programmable Blink Rate
Features
- 16 LED drivers with On/Off and programmable blink rate control
- 2 selectable, programmable blink rates:
- frequency: 0.172Hz to 44Hz
- duty cycle: 0% to 99.6%
- 16 open drain outputs drive 25mA each
- I/Os can be used as GPIOs
- 400kHz I2C bus patible
- 2.3V to 5.5V operation
- 5V tolerant I/Os
- Active low reset input
- RoHS-pliant 24-Lead SOIC, TSSOP and 24-pad TQFN (4 x 4mm) packages
DESCRIPTION
The CAT9552 is a 16-channel, parallel input/output port expander optimized for LED On/Off and blinking control. Each individual LED may be turned ON, OFF, or set to blinking at one of two...