PCA9530 - 2-bit I2C-bus LED dimmer

Product Overview

NXP Semiconductors

Datasheet Details

Part number	PCA9530
Manufacturer	NXP Semiconductors
File Size	186.32 KB
Description	2-bit I2C-bus LED dimmer
Datasheet	PCA9530 Datasheet
Additional preview pages of the PCA9530 datasheet.

Product details

Description

The PCA9530 is a 2-bit I2C-bus and SMBus I/O expander optimized for dimming LEDs in 256 discrete steps for Red/Green/Blue (RGB) color mixing and backlight applications.

The PCA9530 contains an internal oscillator with two user programmable blink rates and duty cycles coupled to the output PWM.

Features

I 2 LED drivers (on, off, ﬂashing at a programmable rate) I 2 selectable, fully programmable blink rates (frequency and duty cycle) between 0.591 Hz and 152 Hz (1.69 seconds and 6.58 milliseconds) I 256 brightness steps I Input/output not used as LED drivers can be used as regular GPIOs I Internal oscillator requires no external components I I2C-bus interface logic compatible with SMBus I Internal power-on reset www. DataSheet4U. com NXP Semiconductors PCA9530 2-bit I2C-bus LED dimmer I I I I.

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Other Datasheets by NXP Semiconductors

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Published: Jul 17, 2010 |