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Evaluation Board, PCA9957HN, Arduino Evaluation Kits to Evaluate LED Controller


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Product Overview

PCA9957HN-ARD is a LED Driver Arduino® shield evaluation board. The Arduino shield allows easy integration with Arduino EVKs to evaluate the LED controller features for colour 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.
  • PCA9957 24-channel SPI serial bus 32mA/5.5V constant-current LED driver
  • Support up to four groups of LED gradation control
  • Each LED channel assigned to one of four groups
  • For each group, PCA9959 supports 64-grid brightness control
  • Each LED output has 6bit resolution pre-set current configuration with an absolution accuracy of ±8%
  • Supply voltage range from 2.7V to 5.5V, low standby current of 170µA
  • 10MHz SPI interface, output enable (/OE) pin


PCA9957HN-ARD Arduino shield, Quick reference card.

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