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L9779WD Datasheet, PDF (1/170 Pages) STMicroelectronics – Multifunction IC for engine management system
L9779WD
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)
– OUT19, 20
 IGBT pre-drivers (IGN1 to 4)
 External MOS pre-drivers (OUT8 to 9)
 Configurable power stages CPS
– Stepper motor driver/ high-side - low-side
(OUT21 to 28)
 Thermal warning and shutdown
 Serial interface
– Micro Second Channel interface (MSC)
– ISO9141 interface (K-Line)
 High speed CAN transceiver
 Dedicated pin VDDIO to select the voltage
level of digital output used for serial
communication
 VDA 2.0 compliance with 3 level Watchdog
 Package: HiQUAD-64
Description
The L9779WD 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
L9779WD-TR
Table 1. Device summary
Package
HiQUAD-64
HiQUAD-64
Packing
Tray
Tape and Reel
September 2015
This is information on a product in full production.
DocID027452 Rev 5
1/170
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