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PCA9553

4-bit I2C LED driver

PCA9553 Features

* I 4 LED drivers (on, off, flashing at a programmable rate) I 2 selectable, fully programmable blink rates (frequency and duty cycle) between 0.172 Hz and 44 Hz (5.82 seconds and 0.023 seconds) I Input/outputs not used as LED drivers can be used as regular GPIOs I Internal oscillator requires no exter

PCA9553 General Description

The PCA9553 LED blinker blinks LEDs in I2C-bus and SMBus applications where it is necessary to limit bus traffic or free up the I2C-bus master's (MCU, MPU, DSP, chip set, etc.) timer. The uniqueness of this device is the internal oscillator with two programmable blink rates. To blink LEDs using norma.

PCA9553 Datasheet (129.02 KB)

Preview of PCA9553 PDF

Datasheet Details

Part number:

PCA9553

Manufacturer:

NXP ↗

File Size:

129.02 KB

Description:

4-bit i2c led driver.

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TAGS

PCA9553 4-bit I2C LED driver NXP

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