L9779WD-SPI:Multifunction IC with SPI interface for engine management system

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
Product Specifications
DescriptionVersionSize
DS10980: Multifunction IC for engine management system2.01 MB
Product Evaluation Tools
Part NumberManufacturerDescription
EVAL-L9779WD-SPISTEvaluation board for L9779WD-SPI
Sample & Buy
Part NumberPackagePacking TypeOperating Temperature (°C) (min)Operating Temperature (°C) (max)Unit Price (US$) *QuantityECCN (EU)ECCN (US)Country of Origin
L9779WD-SPI-TRHI-QUAD 64 14x14Tape And Reel-401508.41000NECEAR99MALAYSIA
L9779WD-SPIHI-QUAD 64 14x14Tray-401508.41000NECEAR99MALAYSIA
Quality & Reliability
Part NumberPackageGradeRoHS Compliance GradeMaterial Declaration**
L9779WD-SPI-TRHI-QUAD 64 14x14AutomotiveEcopack2
L9779WD-SPIHI-QUAD 64 14x14AutomotiveEcopack2
Multifunction IC for engine management system L9779WD-SPI