PCA9551 Series 5.5 V 8-bit I2C-Bus LED Driver Programmable Blink Rates - SOIC-16

Mfr Part#: PCA9551D,118
Mounting Method:  Surface Mount
Package Style:  SOIC-16
Packaging:  REEL
Std Packaging Qty:  2,500



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$0.8800 USD (each)
2500+ $0.8800


Qty in Stock : 2,500
On Order :
Min. Order Qty: 2,500
Multiple of: 2,500
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Product Highlight

  • Supply Voltage: 2.3 to 5.5 V
  • Output Current per Channel: 25 mA
  • Switching Frequency-Max: 400 kHz

The PCA9551D,118 is a 8-bit I2C-bus LED driver with programmable blink rate.Its core supply voltage ranges from 2.3 to 5.5 V.


  • 8 LED drivers (on, off, flashing at a programmable rate)
  • 2 selectable, fully programmable blink rates (frequency and duty cycle) between 0.148 Hz and 38 Hz (6.74 seconds and 0.026 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 reset input
  • 8 open-drain outputs directly drive LEDs to 25 mA
  • Edge rate control on outputs


  • Industrial
  • Automotive



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