L9945TR

L9945TR

Active

L9945

Automotive fully configurable 8-channel High/Low side MOSFET

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 TypeTray
RoHs compliantEcopack2
GradeAutomotive
Package NameTQFP 64 10x10x1.0

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
  • 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
Out of Stock
Quantity $ per unit Savings
1-9$10.560%
10-24$9.5410%
25-99$9.0914%
100-249$7.9025%
250-499$7.5529%
500$6.8835%
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$10.56
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 TypeTray
RoHs compliantEcopack2
GradeAutomotive
Package NameTQFP 64 10x10x1.0

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
  • 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