Features

 AEC-Q100 qualified

 Engineered for ISO26262 compliant system

 1 pre-boost regulator and 1 pre-buck regulator

 1 linear 5 V regulator with 1 A output current

 3 independent self-protection 5 V tracking

regulator with 150 mA output.

 1 input voltage pin for monitor external

tracking.

 Coordinated soft start-up of all regulators

 4 channels LS injector LS drivers

 2 channels LS drivers for O2H load with current

sense

 2 channels LS camshaft or solenoid drivers

 5 channels LS relay drivers

 2 channels LS LED drivers

 3 channels LS/HS drivers with low battery

function for smart start

 1 channel LS main relay driver (MRD) with

internal diode for reverse battery protection

 5 channels pre-drivers for external FET drivers.

Pre-driver 1&3 configurable for O2H load with

external Rshunt-on the source of Ext.

N-channel MOS

 6 channels pre-drivers for internal or external

igniter drivers

 1 K-Line ISO9141/LIN 2.1 compliant

 Integrated charge-pump

 VRS-interface

 Watchdog

 Wake-up pin

 Temperature sensor and monitoring

 Stop-counter with wakeup

 Dual bandgap reference & oscillator

 Micro-second-channel MSC for differential

single ended mode

 SEO function

 CAN-FD with wakeup by CAN function

 Package LQFP100 exposed pad

Description

The L9788 is an integrated circuit designed for automotive engine management system.

L9788 is a device realized in ST BCD proprietary technology, able to provide the full set of power supplies and signal preprocessing peripherals needed to control a 4-cylinders internal combustion engine.