3-Channel RGB LED Driver with I2C Control, AutoBlinQ™


  • Ultra low dropout regulated 3-channel current sinks
    • 40mV typ. at 10mA per channel
  • Programmable LED setting by I2C compatible interface
  • Individual channel control
    • On/Off Interval Time Control
    • Dimming Up/Down Time
    • RGB LED Color Control
  • 191 current level setting
  • AutoBlinQ LED1 (D1 pin) mode
    • Blinking period: 2s
    • Current setting: 8mA
  • Fast, smooth start-up
  • VIN Range: 2.7V to 5.5V
  • 0.1 μA Shutdown Current
  • Pb-free Package: UTDFN-8 1.5×1.5mm
  • -40°C to +85°C Temperature Range


  • RGB indicator LEDs
  • Mobile Phones and Handheld Devices /span>
  • Digital Cameras

Key Electrical Specifications

Vin(Min) Vin(Max) Number of LEDs/Channel LED Channels Brightness Control Max. Current per Channel Accuracy Dropout Package
2.7V 5.5V 1 3 I2C 24mA ±5% 40mV UTDFN-8 1.5×1.5mm

Typical Application Diagram