L9788TR Power Management Specialised – PMIC Multifunction IC for Automotive Engine Management System
♠ Product Description
| Product Attribute | Attribute Value |
| Manufacturer: | STMicroelectronics |
| Product Category: | Power Management Specialised - PMIC |
| RoHS: | Details |
| Series: | L9788 |
| Type: | Engine Management |
| Mounting Style: | SMD/SMT |
| Package/Case: | LQFP-100 |
| Output Current: | 150 mA, 1 A |
| Output Voltage Range: | 5 V |
| Qualification: | AEC-Q100 |
| Packaging: | Reel |
| Packaging: | Cut Tape |
| Packaging: | MouseReel |
| Brand: | STMicroelectronics |
| Maximum Output Voltage: | 5 V |
| Moisture Sensitive: | Yes |
| Product Type: | Power Management Specialized - PMIC |
| Factory Pack Quantity: | 1000 |
| Subcategory: | PMIC - Power Management ICs |
| Unit Weight: | 650 mg |
♠ Multifunction IC for automotive engine management system
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
• 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







