PCA9959 LED Driver Evaluation Board

OMPCA9959LEDEV

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The OMPCA9959LEDEV evaluation board features LEDs for color mixing, blinking and dimming demonstrations. A graphical interface allows the user to easily explore the different functions of the driver. The board can be connected in series with other SPI-bus demoboards to create an evaluation system.

Supported Devices

Power Management

LED Drivers

  • PCA9959: 24-Channel SPI Serial Bus 63 mA/5.5 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
  • For each group, PCA9959 supports 64-grid brightness control
  • Each LED output has its own 6-bit resolution (64 steps) preset current configuration, with an absolution accuracy of ± 8%

Power

  • Supply voltage: 2.7 V to 5.5 V
  • Low standby current (170 µA)

LED current

  • 63 mA / 5.5 V output drive per channel
  • Output current accuracy:
    ±5% channel to channel
    ±7% chip to chip
  • Output current adjusts through resistor at REXT pin

Interface

  • 10 MHz SPI interface
  • Output enable (/OE) pin

Buy Options

OMPCA9959LEDEV-Image

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  • OMPCA9959LEDEV

  • PCA9959 LED Driver Evaluation Board.

  • PCA9959 Evaluation board

    • Assembled and tested OMPCA9959LEDEV board in an antistatic bag
    • One USB A to Micro B cable
    • Quick Start guide
  • $522.50 USD
  • For a quantity of 1
    • Availability: In stock
    • Inventory: 25
    • Shipping: Normally ships 1-2 business days
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Documentation

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3 documents

Design Resources

Design Files

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2 design files

Software

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1 software file

Note: For better experience, software downloads are recommended on desktop.

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