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SY22189BFEC (SY7629BFEC)

Production
High Dimming Accuracy Boost Backlight Controller
Combined with 3A Buck Converter

Datasheet
SY22189BFEC High Dimming Accuracy Boost Backlight Controller Combined with 3A Buck Converter Datasheet
    Part NumberSY22189BFEC
    Fsw (MHz)0.5
    Dimming ModePWM
    Channels1
    PackageSOP16E
    Vin_min (V)8
    Vin_max (V)16
    Vo_max (V)
    Io_max (A)1
    Features / Special FunctionBoost LED Driver+ Buck CV+OP
    ApplicationTV Power Backlight

     

    • 8~16V input voltage
    • Programmable LED current
    • PWM dimming control: 200Hz~10kHz
    • Analog dimming control: 10kHz ~1MHz
    • Dimming function can be achieved with external MOSFET/BJT
    • Open/Short LED protection
    • Programmable over-voltage protection
    • Buck Converter: Low RDS(ON),3A max output
    • CTRL pin to control Buck converter power saving mode or not
    • 500kHz switching frequency buck converter
    • Integrated reference and operational amplifier
    • Thermal shut down
    • SOP16E package

     

    Evaluation Board

    • 2022-02-09_170232

      Photo of evaluation board

    • 2022-02-09_170207

      Photo of evaluation board

    • 2022-02-09_170254

      Photo of evaluation board

    EVB_SY22189BFEC

    The EVB_SY22189BFEC is intended for evaluating High Dimming Accuracy Boost Backlight Controller Combined with 3A Buck Converter

     

    Technical Documentation