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Multifunction IC for engine management system

Quantity $ per Unit Savings
1 - 9$19.560%
10 - 24$17.978%
25 - 99$17.2312%
100 - 249$15.1822%
250 - 499$14.4426%
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Parameter NameParameter Value
Operating RangeAutomotive
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius150.0
Operating Voltage Min Volt6.0
Operating Voltage Max Volt18.0
Packing TypeTape And Reel
RoHs compliantEcopack2
Package NameHI-QUAD 64 14x14

The L9779WD-SPI is an integrated circuit designed for automotive environment and implemented in BCD6S technology.

It is conceived to provide all basic functions for standard engine management control units.

It is assembled in the HiQUAD-64 power package.

Key features
  • 5 V logic regulator
  • 3.3 V logic regulator
  • 5 V tracking sensor supply
  • Smart reset function
  • Power latch with Secure Engine Off (SEO) functionality, to safely complete driver switch off procedure
  • Flying wheel interface function (VRS) with adaptive time and amplitude control
  • Protected low-side relay driver
    • OUT13 to 18, MRD
  • Protected low-side (injector drivers)
    • OUT1 to 4
  • Protected low-side (high current)
    • OUT5, 6, 7
  • Protected low-side (low current)
    • OUT20
  • IGBT pre-drivers (IGN1 to 4) with parallel input
  • Parallel input IN1 to IN7 to drive OUT1 to OUT7
  • Configurable power stages CPS
    • Stepper motor driver/ high-side - low-side (OUTA to D)
  • Thermal warning and shutdown
  • Serial interface
    • SPI 16-bit frame
    • ISO9141 interface (K-Line)
  • High speed CAN transceiver
  • VDA 2.0 compliance with 3 level Watchdog
  • Package: HiQUAD-64