PCA9957HN-ARD LED Driver Arduino® Shield 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%

Power Supply

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

LED Current

  • 32 mA / 5.5V output drive per channel
  • Output current accuracy:
    • ±4% channel to channel
    • ±6% chip to chip
  • Output current adjusts through resistor at REXT pin


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


  • HVQFN40 - Plastic thermal enhanced very thin quad flat package; no leads; 40 terminals; body 5 x 5 x 0.85 mm

Buy Options


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  • PCA9957HN-ARD

  • PCA9957HN-ARD LED Driver Arduino® Shield Evaluation Board.

  • $122.50USD
  • For a quantity of 1
    • Availability: In stock
    • Inventory: 11
    • Shipping: Normally ships 1-2 business days
Order from distributors


Quick reference to our documentation types.

3 documents

Related Hardware

Quick reference to our board types.

3 hardware offerings

Design Files

Quick reference to our design files types.

1 design file


Quick reference to our software types.

3 software files

  • Application Example Software


  • BSPs and Device Drivers

    PCA9957 LED Driver with Demo App (SDK)

  • BSPs and Device Drivers

    PCA9957 LED Driver - Application Code Hub

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


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