L9788数据手册集成电路（IC）的电源管理-专用规格书PDF

描述 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.

特性 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 - 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
• 1 K-Line ISO9141/LIN 2.1 compliant
• Integrated charge-pump
• VRS-interface
• Watchdog
• Pin Wake-up
• Temperature sensor and monitoring
• Stop-counter with Wake-up
• Dual bandgap reference & oscillator
• Micro-second-channel MSC for differential single ended mode
• SEO function
• CAN-FD with wake up by CAN function
• Package LQFP100 exposed pad

简介

L9788属于集成电路（IC）的电源管理-专用。由制造生产的L9788电源管理 - 专用专用型电源管理集成电路 (PMIC) 用于电源的控制或操作，适合特定或小范围的目标应用，例如汽车气囊管理、电容器组平衡、AC 公共电力监控、存储器总线端接、接地故障检测、能量收集、小型引擎管理、处理器或芯片集专用电压调节、负载突降保护、触觉驱动器、热电制冷器控制等。