describe
L9779wd-spi is an integrated circuit designed for automotive environment, which is realized by bcd6s technology. It aims to provide all basic functions for the standard engine management control unit. It is assembled in the hiquad-64 power pack.
features
5 V logic regulator
3.3 V logic regulator
5 V tracking sensor power supply
intelligent reset function
electric latch (SEO) when the safety engine is off
Function, safely complete the driver switch
close program
flywheel interface function (VRS)
Adaptive time and amplitude control
protected low voltage side relay driver
– out13 to 18, MRD
protected low pressure side (injector driver)
– outputs 1 to 4
protected low voltage side (high current)
– output 5, 6, 7
protected low voltage side (low current)
–OUT20
IGBT pre driver with parallel input (ign1 to 4)
input in1 to in7 in parallel to drive out1 to out7
configurable power level CP
– stepper motor driver / high voltage side - low voltage side
(outa to d)
thermal alarm and shutdown
serial interface
– SPI 16 bit frame
– ISO9141 interface (K line)
high speed can transceiver
VDA 2.0 complies with level 3 watchdog
packaging: hiquad-64
