PCA9955BTW-ARD LED Driver Arduino® Shield Evaluation Board

PCA9955BTW-ARD

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The PCA9955BTW-ARD Arduino Shield allows easy integration with Arduino EVKs to evaluate the LED controller features for color mixing, blinking and dimming LEDs. A graphical interface allows the user to easily explore the different functions of the driver to create an evaluation system.

Supported Devices

LED Drivers

  • PCA9955BTW: 16-Channel Fm+ I²C-Bus 57 MA/20 V Constant-Current LED Driver

Features

Gradation Control

  • Support up to four groups of LED gradation control
  • Each LED channel assigned to one of four groups
  • Programmable gradation time and rate for ramp-up and/or ramp-down operation
  • Programmable hold-on time after ramp-up and hold-off time
  • Programmable brightness current output adjustment

Power Supply

  • Supply voltage: 3 V to 5.5 V
  • Low standby current (170 µA)

LED Current

  • 57 mA / 20 V output drive per channel
  • Output current accuracy:
    • ±4% channel to channel
    • ±6% chip to chip
  • Output current adjusts through resistor at REXT pin

Interface

  • 1 MHz I²C bus
  • Output enable (/OE) pin

Package

  • HTSSOP28 - plastic thermal enhanced thin shrink small outline package, 28 leads, body width 4.4 mm, lead pitch 0.65 mm, exposed die pad

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PCA9955BTW-ARD LED Driver Arduino® Shield Evaluation Board.

    $33.33 USD
    In Stock :19

    Normally ships 1-2 business days

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