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    L9945

    L9945

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    Active

    L9945TR

    Automotive fully configurable 8-channel High/Low side MOSFET

    Parameters
    Operating RangeAutomotive
    Operating Temp Min Celsius-40.0
    Operating Temp Max Celsius150.0
    Operating Voltage Min Volt3.8
    Operating Voltage Max Volt36.0
    ECCN USEAR99
    ECCN EUNEC
    Packing TypeTape And Reel
    RoHs compliantEcopack2
    GradeAutomotive
    Package NameTQFP 64 10x10x1.0
    Description

    The L9945 is an 8-channel MOSFET pre-driver configurable for low-side, high-side, peak and hold and H-Bridge load control. It is designed to comply with the requirements of 12 V (passenger vehicle) and 24 V (commercial vehicle) battery systems.All outputs can be PWM controlled. Six outputs are...
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    Key features
    Key features
    • AEC-Q100 qualified
    • 12 V and 24 V battery systems compliance
    • 3.3 V and 5 V logic compatible I/O
    • 8-channel configurable MOSFET pre-driver
      • High-side (N-channel and P-channel MOS)
      • Low-side (N-channel MOS)
      • H-bridge (up to 2 H-bridge)
      • Peak & Hold (2 loads)
    • Operating battery supply voltage 3.8 V to 36 V
    • Operating VDD supply voltage 4.5 V to 5.5 V
    • All device pins, except the ground pins, withstand at least 40 V
    • Programmable gate charge/discharge currents for improving EMI behavior
    • Individual diagnosis for:
      • Short circuit to battery
      • Open load
      • Short circuit to ground
    • Highly flexible overcurrent sensing implementation
      • Possibility of monitoring external MOS drain to source voltage
      • Possibility of monitoring voltage on external shunt resistor
      • 64 programmable overcurrent thresholds independent for each channel
      • Ultra-fast output shutdown in case of overcurrent
    • Current limitation for H-Bridge configuration
    • 32-bit SPI protocol available for configuration and diagnostics
      • Failures latched even if they occur during diagnostics reading
      • Daisy chain operation
      • SDO protected against overvoltage
    • Safety features
      • Fast switch off redundant output disable through two external pins
      • Built In Self Test (BIST) for logic operation
      • Hardware Self Check (HWSC) for VDD5 overvoltage comparator
      • Configurable Communication Check (CC) watchdog timer available
      • Disable feedback through bi-directional pin
      • Highly redundant output monitoring through dedicated SPI registers
    • 10-bit ADC for battery and die temperature measurements available through SPI
    • VDD5 monitoring for over/under voltage
    • VPS (battery) monitoring for under voltage
    • ISO26262 systems compatible
    In stock
    Quantity $ per unit Savings
    1-9$8.770%
    10-99$6.2828%
    100-499$4.8245%
    500$4.7146%
    500 + Contact sales
    $8.77
    $8.77
    Parameters
    Operating RangeAutomotive
    Operating Temp Min Celsius-40.0
    Operating Temp Max Celsius150.0
    Operating Voltage Min Volt3.8
    Operating Voltage Max Volt36.0
    ECCN USEAR99
    ECCN EUNEC
    Packing TypeTape And Reel
    RoHs compliantEcopack2
    GradeAutomotive
    Package NameTQFP 64 10x10x1.0
    Description

    The L9945 is an 8-channel MOSFET pre-driver configurable for low-side, high-side, peak and hold and H-Bridge load control. It is designed to comply with the requirements of 12 V (passenger vehicle) and 24 V (commercial vehicle) battery systems.All outputs can be PWM controlled. Six outputs are...
    Read More

    Key features
    Key features
    • AEC-Q100 qualified
    • 12 V and 24 V battery systems compliance
    • 3.3 V and 5 V logic compatible I/O
    • 8-channel configurable MOSFET pre-driver
      • High-side (N-channel and P-channel MOS)
      • Low-side (N-channel MOS)
      • H-bridge (up to 2 H-bridge)
      • Peak & Hold (2 loads)
    • Operating battery supply voltage 3.8 V to 36 V
    • Operating VDD supply voltage 4.5 V to 5.5 V
    • All device pins, except the ground pins, withstand at least 40 V
    • Programmable gate charge/discharge currents for improving EMI behavior
    • Individual diagnosis for:
      • Short circuit to battery
      • Open load
      • Short circuit to ground
    • Highly flexible overcurrent sensing implementation
      • Possibility of monitoring external MOS drain to source voltage
      • Possibility of monitoring voltage on external shunt resistor
      • 64 programmable overcurrent thresholds independent for each channel
      • Ultra-fast output shutdown in case of overcurrent
    • Current limitation for H-Bridge configuration
    • 32-bit SPI protocol available for configuration and diagnostics
      • Failures latched even if they occur during diagnostics reading
      • Daisy chain operation
      • SDO protected against overvoltage
    • Safety features
      • Fast switch off redundant output disable through two external pins
      • Built In Self Test (BIST) for logic operation
      • Hardware Self Check (HWSC) for VDD5 overvoltage comparator
      • Configurable Communication Check (CC) watchdog timer available
      • Disable feedback through bi-directional pin
      • Highly redundant output monitoring through dedicated SPI registers
    • 10-bit ADC for battery and die temperature measurements available through SPI
    • VDD5 monitoring for over/under voltage
    • VPS (battery) monitoring for under voltage
    • ISO26262 systems compatible
    Associated products