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L9779WD-SPI Datasheet, PDF (1/141 Pages) STMicroelectronics – Smart reset function
L9779WD-SPI
Multifunction IC for engine management system
Datasheet - production data
*$3*36
HiQUAD-64
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
Description
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.
Order code
L9779WD-SPI
L9779WD-SPI-TR
Table 1. Device summary
Package
HiQUAD-64
HiQUAD-64
Packing
Tray
Tape and Reel
May 2015
This is information on a product in full production.
DocID027721 Rev 2
1/141
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