PCA9552 - 16-bit I2C LED driver

Name: PCA9552
SKU: PCA9552-36523

NXP

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Datasheet Details

Part number	PCA9552
Manufacturer	NXP
File Size	437.36 KB
Description	16-bit I2C LED driver
Datasheet	PCA9552_PhilipsSemiconductors.pdf

PCA9552 Product details

Description

The PCA9552 LED blinker blinks LEDs in I2C-bus and SMBus applications where it is necessary to limit bus traffic or free up the I2C-bus controller's (MCU, MPU, DSP, chip set, etc.) timer.

Features

16 LED drivers (on, off, flashing at a programmable rate).
2 selectable, fully programmable blink rates (frequency and duty cycle) between 0.172 Hz and 44 Hz (5.82 seconds and 0.023 seconds).
Input/outputs not used as LED drivers can be used as regular GPIOs.
Internal oscillator requires no external components.
I2C-bus interface logic compatible with SMBus.
Internal power-on reset.
Noise filter on SCL/SDA inputs.
Active LOW.

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Other Datasheets by NXP

PCA9550 - 2-bit I2C LED driver
PCA9551 - 8-bit I2C LED driver
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PCA9554A - 8-bit I2C and SMBus I/O port
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PCA9555A - Low-voltage 16-bit I2C-bus I/O port

Published: Mar 22, 2005 |