L9788TR STMicroelectronics

L9788 Multifunction IC for automotive engine management system Data brief 1 channel LS main relay driver (MRD) with internal diode for reverse battery protection 5 channels pre-drivers for external FET drivers - Predriver 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 /4)3 PP 1 K-Line ISO9141/LIN 2.1 compliant H SRVHG SDG GRZQ 36 * * Integrated charge-pump VRS-interface Features Watchdog Pin Wake-up AEC-Q100 qualified Temperature sensor and monitoring Engineered for ISO26262 compliant system Stop-counter with Wake-up 1 pre boost regulator and 1 pre buck regulator Dual bandgap reference & oscillator 1 linear 5 V regulator with 1 A output current Micro-second-channel MSC for differential 3 independent self-protection 5 V tracking single ended mode regulator with 150 mA output. SEO function 1 input voltage pin for monitor external tracking. CAN-FD with wake up by CAN function Coordinated soft start-up of all regulators Package LQFP100 exposed pad 4 channels LS injector LS drivers Description 2 channels LS drivers for O2H load with current sense The L9788 is an integrated circuit designed for 2 channels LS camshaft or solenoid drivers automotive engine management system. 5 channels LS relay drivers L9788 is a device realized in ST BCD proprietary 2 channels LS LED drivers technology, able to provide the full set of power supplies and signal preprocessing peripherals 3 channels LS/HS drivers with low battery needed to control a 4 cylinders internal function for smart start combustion engine. Table 1. Device summary Order code Package Packing L9788 Tube LQFP100 14x14x1.4 mm (Exposed pad down 7.6x7.6 mm) L9788TR Tape & Reel October 2017 DocID031109 Rev 1 1/12 For further information contact your local STMicroelectronics sales office. www.st.comContents L9788 Contents 1 Block diagram and pin description . 3 1.1 Block diagram . 3 1.2 Pin description 4 2 Package information . 8 2.1 LQFP100 (14x14x1.4 mm exp. pad down) package information 8 2.1.1 Exposed pad size option 10 3 Revision history . 11 2/12 DocID031109 Rev 1