PCA9959 LED Driver Evaluation Board

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Supported Devices

Power Management

LED Drivers


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%


  • 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


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

Buy Options


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  • PCA9959 LED Driver Evaluation Board.

  • $522.50USD
  • For a quantity of 1
    • Availability: In stock
    • Inventory: 25
    • Shipping: Normally ships 1-2 business days
Order from distributors


Quick reference to our documentation types.

3 documents

Design Files

Quick reference to our design files types.

2 design files


Quick reference to our software types.

1 software file

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


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