Light Management Unit For 6 LEDs With SemPulseTM Interface

The SC654 is a high ei ciency Charge Pump LED Driver using Semtech’s proprietary Charge Pump technology. Performance is optimized for use in single-cell Li-ion battery applications. The Charge Pump provides backlight current utilizing six matched current sinks. The load and supply conditions determine whether the Charge Pump operates in 1x, 1.5x, or 2x mode. An optional fading feature that gradually adjusts the backlight current is provided to simplify control software. The SC654 uses the proprietary SemPulseTM single wire Interface to control all functions of the device, including backlight currents. The single wire Interface minimizes Microcontroller and Interface pin counts. The six LEDs CAN be grouped in up to three separate banks that CAN be independently controlled. The SC654 enters sleep mode when all the LED Drivers are disabled. In this mode, the quiescent current is reduced while the device continues to monitor the SemPulse Interface By Semtech Corporation
SC654 's PackagesSC654 's pdf datasheet

SC654 Pinout, Pinouts
SC654 pinout,Pin out
This is one package pinout of SC654,If you need more pinouts please download SC654's pdf datasheet.

SC654 Application circuits
SC654 circuits
This is one application circuit of SC654,If you need more circuits,please download SC654's pdf datasheet.

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