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          SGM31323

          Constant Current RGB LED Driver with I2C Control
           
          Constant Current RGB LED Driver with I2C Control
          GENERAL DESCRIPTION

          The SGM31323 is a fully programmable, constant current RGB LED driver with a flexible control interface. The device is ideally powered from 1-cell Lithium-Ion/ Polymer, 3-cell NiCd/NiMH/Alkaline batteries, or systems with 3.3V or 5V supplies. It provides 3 independent programmable constant current sinks without requiring any external components.

          With an on-chip timing control unit, LED blink rate, fade-in and fade-out are user-adjustable resulting in unique color lighting patterns.

          Nine internal registers are programmed via the I2C control interface with a built-in decoder allowing individual control of the LED channels’ ON/OFF state and current level. A total of 192 current levels are available for each channel from 0.125mA to 24mA with a 0.125mA step.

          In shutdown mode, the quiescent current is reduced to less than 1μA.

          The device is available in Green UTDFN-1.5×1.5-8L package. It operates over an ambient temperature range of -40 to +85.

          PIN CONFIGURATIONS

          1581572845901274.png

          FEATURES
          • Ultra Low Dropout Regulated 3-CH Current Sinks

              30mV (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

          • 192 Current-Level Setting

              0.125mA ~ 24mA, 0.125mA Step

          • No Noise, Non-Pulsating LED Current

          • Fast, Smooth Start-Up

          • Input Voltage Range: 2.5V to 5.5V

          • Less than 1μA Shutdown Current

          • -40 to +85 Operating Temperature Range

          • Available in Green UTDFN-1.5×1.5-8L Package

          APPLICATIONS

          RGB Indicator LEDs

          Flashing LEDs

          Mobile Phones

          Handheld Devices

          Digital Cameras

          ORDERING INFORMATION
          Part NumberStatusPackagePinsPb-FreeTemp Range
          SGM31323YUDW8G/TRProductionUTDFN-1.5×1.5-8L8Y-40℃ to +85℃






           

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