CAT9532 Description
The CAT9532 is a CMOS device that provides 16−bit parallel input/output port expander optimized for LED dimming control. The CAT9532 outputs can drive directly 16 LEDs in parallel. Each individual LED may be turned ON, OFF, or blinking at one of two programmable rates.
CAT9532 Key Features
- 16 LED Drivers with Dimming Control
- 256 Brightness Steps
- 16 Open Drain Outputs Drive 25 mA Each
- 2 Selectable Programmable Blink Rates
- Frequency: 0.593 Hz to 152 Hz
- Duty Cycle: 0% to 99.6%
- I/Os can be Used as GPIOs
- 400 kHz I2C Bus patible
- 2.3 V to 5.5 V Operation
- 5 V Tolerant I/Os
CAT9532 Applications
- 16 LED Drivers with Dimming Control