📢 Flat rate shipping below $10 in multiple countries! Limited offer ends May 31 🛒 Order now

L9177

L9177

Active

L9177TR

Peripheral on chip for low end engine control

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 NamePowerSO 46

L9177 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.).L9177 integrates...
Read More

Key features
  • 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)
  • Lamp driver
    • 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 Lamp 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
  • Packaged in PowerSO46
Out of Stock
Quantity $ per unit Savings
1-9$11.610%
10-24$10.678%
25-99$10.2312%
100-249$9.0222%
250-500$8.5826%
Contact sales
$11.61
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 NamePowerSO 46

L9177 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.).L9177 integrates...
Read More

Key features
  • 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)
  • Lamp driver
    • 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 Lamp 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
  • Packaged in PowerSO46