PCA9533 Datasheet - NXP

PCA9533, 4-bit I2C LED dimmer

INTEGRATED CIRCUITS PCA9533 4-bit I2C LED dimmer Product data sheet Supersedes data of 2003 Sep 19 2004 Oct 01 Philips Semiconductors Philips Semic.
PIN NUMBER 1 2 3 4 5 6 7 8 SYMBOL LED0 LED1 LED2 VSS LED3 SCL SDA VDD FUNCTION LED driver 0 LED driver 1 LED driver 2 Supply ground LED driver 3 Seria.

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PCA9533_PhilipsSemiconductors.pdf

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Datasheet Details

Part number:

PCA9533

Manufacturer:

NXP ↗

File Size:

122.30 KB

Description:

4-bit I2C LED dimmer

Features

* 4 LED drivers (on, off, flashing at a programmable rate)
* 2 selectable, fully programmable blink rates (frequency and duty cycle) between 0.591 Hz and 152 Hz (1.69 seconds and 6.58 milliseconds)
* 256 brightness steps
* Input/outputs not used as LED drivers can b

Applications

* The PCA9533 contains an internal oscillator with two user programmable blink rates and duty cycles coupled to the output PWM. The LED brightness is controlled by setting the blink rate high enough (> 100 Hz) that the blinking cannot be seen and then using 2004 Oct 01 2 Philips Semiconductors Pr

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