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    L9781TR

    L9781TR

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    L9781 Active

    Multiple valve pre-driver for diesel and gasoline direct injection
    Learn More about L9781
    Quantity $ per Unit Savings
    1 - 9$7.930%
    10 - 24$7.1510%
    25 - 99$6.8314%
    100 - 249$5.6629%
    250 - 499$5.1635%
    500$4.8239%
    500 + Contact Sales
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    Parameter NameParameter Value
    Operating Temp Min Celsius-40.0
    Operating Temp Max Celsius150.0
    Operating Voltage Min Volt5.0
    Operating Voltage Max Volt26.0
    ECCN USEAR99
    ECCN EUNEC
    Packing TypeTray
    ROHS Compliance GradeEcopack2
    GradeAutomotive
    Package NameLQFP 64 10x10x1.4 mm
    Key features
    • AEC-Q100 qualified
    • 1 x DC/DC converter controller for VTank voltage generation (up to 80 V):
      • 1 x low-side push-pull type N-channel MOSFET pre-driver
      • 1 x current sensing block for current limitation
      • 1 x voltage comparator with hysteresis for VTank voltage sensing
    • 2 x driving channel controllers each made up of:
      • 1 x high-side push-pull type VTank N-channel MOSFET pre-driver
      • 1 x high-side push-pull type VBat N-channel MOSFET pre-driver
      • 2 x low-side push-pull type N-channel MOSFET pre-driver
      • 1 x differential amplifier with programmable gain for current sensing & peak current detection
      • 1 x digital-to-analog converter for peak current threshold setting
      • 1 x HW protection and diagnosis block for full load protection from accidental external short circuits
    • 1 x additional peak and hold controller:
      • 1 x high-side push-pull type VBat N-channel MOSFET pre-driver
      • 1 x low-side push-pull type N-channel MOSFET pre-driver
      • 1 x differential amplifier with programmable gain for current sensing and peak current detection
      • 1 x digital-to-analog converter for peak current threshold setting
      • 1 x HW protection and diagnosis block for full load protection from accidental external short circuits
    • 1 x 32 bit SPI interface (up to 8 MHz)
      • IC general control
      • Programmable parameters setting
      • Diagnosis and hardware protection management
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