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.
- 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
