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    L9177ATR

    Automotive engine management control IC for small engines

    Parameters
    Operating RangeAutomotive
    Operating Temp Min Celsius-40.0
    Operating Temp Max Celsius150.0
    Operating Voltage Min Volt6.0
    Operating Voltage Max Volt18.0
    ECCN USEAR99
    ECCN EUNEC
    Packing TypeTape And Reel
    RoHs compliantEcopack2
    GradeAutomotive
    Package NameTQFP 64 10x10x1.0 mm
    Description

    L9177A is a device realized in ST BCD proprietary technology, able to provide the full set of power supplies and signal preprocessing peripherals needed to control a 2 Cylinder internal combustion Engine for Low End Application (e.g. small motorcycle, K-car, nautical engines, etc.).L9177A...
    Read More

    Key features
    Key features
    • AEC-Q100 qualified
    • Supply voltage from 6 V to 18 V
      • Basic functionality guaranteed down to 3.9 V
    • 5 V regulator up to 300 mA with thermal shutdown protection in current limitation condition
    • 5 V tracking regulator up to 40 mA and short to battery protection
    • 5 V standby regulator up to 2.5 mA
    • 2 channels injectors drivers
      • Parallel and serial driving
      • Output internally clamped to 60 V
      • Minimum overcurrent at 2.8 A
      • Ron 0.6 Ω worst case (at Tj = 150 °C)
    • 3 relay drivers
      • 2 with parallel and serial driving, 1 with serial driving
      • Output internally clamped to 45 V
      • Minimum guaranteed output current 1 A
      • Ron 1.5 Ω worst case (at Tj = 150 °C)
    • Tachometer driver
      • Parallel and serial driving
      • Minimum guaranteed output current 25 mA
      • Ron 5 Ω worst case (at Tj = 150 °C)
    • Current limited low side driver (LSD)
      • Serial driving
      • Output internally clamped to 45 V
      • Minimum guaranteed output current 1 A (2 A during in-rush)
      • Ron 1.5 Ω worst case (at Tj = 150 °C)
    • Stepper motor driver
      • Parallel driving
      • Minimum guaranteed output current 500 mA - full step
      • Ron 2.6 Ω worst case on the diagonal (at Tj = 150 °C)
    • O2 sensor heater
      • Parallel and serial driving
      • Output internally clamped to 45 V
      • Minimum guaranteed output current 3 A
      • Ron 0.5 Ω worst case (at Tj = 150 °C)
    • Protected high side driver
      • 100 mA min. current limitation threshold
    • Full diagnosis by SPI
      • Injector driver: OL, STG, OC
      • Relay and current limited LSD drivers: OL, STG, OC
      • O2 sensor heater: OL, STG, OC
      • Tachometer: OL, STG, OC
      • Stepper motor driver: OL, STG, STB, OC
      • general diagnostic: over-temperature
    • Protection for STB, STG (for stepper motor drivers and tracking regulator)
    • Self configuring variable reluctance sensor interface
    • K-line transceiver
    • Microcontroller reset logic
    • Small Factor form package TQFP64 10 x 10 mm exposed pad down
    Out of Stock
    Parameters
    Operating RangeAutomotive
    Operating Temp Min Celsius-40.0
    Operating Temp Max Celsius150.0
    Operating Voltage Min Volt6.0
    Operating Voltage Max Volt18.0
    ECCN USEAR99
    ECCN EUNEC
    Packing TypeTape And Reel
    RoHs compliantEcopack2
    GradeAutomotive
    Package NameTQFP 64 10x10x1.0 mm
    Description

    L9177A is a device realized in ST BCD proprietary technology, able to provide the full set of power supplies and signal preprocessing peripherals needed to control a 2 Cylinder internal combustion Engine for Low End Application (e.g. small motorcycle, K-car, nautical engines, etc.).L9177A...
    Read More

    Key features
    Key features
    • AEC-Q100 qualified
    • Supply voltage from 6 V to 18 V
      • Basic functionality guaranteed down to 3.9 V
    • 5 V regulator up to 300 mA with thermal shutdown protection in current limitation condition
    • 5 V tracking regulator up to 40 mA and short to battery protection
    • 5 V standby regulator up to 2.5 mA
    • 2 channels injectors drivers
      • Parallel and serial driving
      • Output internally clamped to 60 V
      • Minimum overcurrent at 2.8 A
      • Ron 0.6 Ω worst case (at Tj = 150 °C)
    • 3 relay drivers
      • 2 with parallel and serial driving, 1 with serial driving
      • Output internally clamped to 45 V
      • Minimum guaranteed output current 1 A
      • Ron 1.5 Ω worst case (at Tj = 150 °C)
    • Tachometer driver
      • Parallel and serial driving
      • Minimum guaranteed output current 25 mA
      • Ron 5 Ω worst case (at Tj = 150 °C)
    • Current limited low side driver (LSD)
      • Serial driving
      • Output internally clamped to 45 V
      • Minimum guaranteed output current 1 A (2 A during in-rush)
      • Ron 1.5 Ω worst case (at Tj = 150 °C)
    • Stepper motor driver
      • Parallel driving
      • Minimum guaranteed output current 500 mA - full step
      • Ron 2.6 Ω worst case on the diagonal (at Tj = 150 °C)
    • O2 sensor heater
      • Parallel and serial driving
      • Output internally clamped to 45 V
      • Minimum guaranteed output current 3 A
      • Ron 0.5 Ω worst case (at Tj = 150 °C)
    • Protected high side driver
      • 100 mA min. current limitation threshold
    • Full diagnosis by SPI
      • Injector driver: OL, STG, OC
      • Relay and current limited LSD drivers: OL, STG, OC
      • O2 sensor heater: OL, STG, OC
      • Tachometer: OL, STG, OC
      • Stepper motor driver: OL, STG, STB, OC
      • general diagnostic: over-temperature
    • Protection for STB, STG (for stepper motor drivers and tracking regulator)
    • Self configuring variable reluctance sensor interface
    • K-line transceiver
    • Microcontroller reset logic
    • Small Factor form package TQFP64 10 x 10 mm exposed pad down
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