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PCA9550

2-bit I2C LED driver

Description

PCA9550 2-bit I2C-bus LED driver with programmable blink rates Rev. 05 — 13 October 2008 Product data sheet 1. General description The PCA9550 LED blinker blinks LEDs in I2C-bus and SMBus applications where it is necessary to limit bus trafﬁc or free up the I2C master's (MCU, MPU, DSP, chip set, etc.) timer. The uniqueness of this device is the internal ...

NXP

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