Overview
The L9779WD-TR, produced by STMicroelectronics, is an integrated circuit specifically designed for automotive environments. It is implemented in BCD6S technology and is conceived to provide all the basic functions required for standard engine management control units. This multifunction IC is assembled in the HiQUAD-64 power package, ensuring robust performance and reliability in demanding automotive applications.
Key Specifications
| Operating Range | Automotive |
|---|---|
| Operating Temp Min Celsius | -40.0 |
| Operating Temp Max Celsius | 150.0 |
| Operating Voltage Min Volt | 6.0 |
| Operating Voltage Max Volt | 18.0 |
| ECCN US | EAR99 |
| ECCN EU | NEC |
| Packing Type | Tape And Reel |
| RoHs compliant | Ecopack2 |
| Grade | Automotive |
| Package Name | HI-QUAD 64 14x14 |
Key Features
- 5 V and 3.3 V logic regulators
- 5 V tracking sensor supply
- Smart reset function
- Power latch with Secure Engine Off (SEO) functionality
- Flying wheel interface function (VRS) with adaptive time and amplitude control
- Protected low-side relay driver and injector drivers
- IGBT pre-drivers and external MOS pre-drivers
- Configurable power stages for stepper motor and high-side/low-side drivers
- Thermal warning and shutdown
- Serial interface including SPI, ISO9141 (K-Line), and high-speed CAN transceiver
- VDA 2.0 compliance with 3-level Watchdog
Applications
The L9779WD-TR is primarily used in automotive engine management systems. It is designed to handle various functions such as ignition switch management, main relay control, battery pin management, and power-up/down management. It also supports advanced features like flying wheel interface, protected low-side drivers, and configurable power stages, making it a comprehensive solution for modern automotive control units.
Q & A
- What is the L9779WD-TR used for? The L9779WD-TR is used in automotive engine management systems to provide all the basic functions required for standard engine control units.
- What technology is the L9779WD-TR implemented in? It is implemented in BCD6S technology.
- What is the operating temperature range of the L9779WD-TR? The operating temperature range is from -40°C to 150°C.
- What is the operating voltage range of the L9779WD-TR? The operating voltage range is from 6.0 V to 18.0 V.
- Is the L9779WD-TR RoHS compliant? Yes, it is RoHS compliant with Ecopack2.
- What package type is the L9779WD-TR available in? It is available in the HiQUAD-64 power package and packed in Tape and Reel.
- Does the L9779WD-TR have any specific serial interfaces? Yes, it includes SPI, ISO9141 (K-Line), and high-speed CAN transceiver interfaces.
- What are some of the key features of the L9779WD-TR? Key features include 5 V and 3.3 V logic regulators, smart reset function, power latch with SEO functionality, and protected low-side drivers among others.
- Is the L9779WD-TR compliant with any automotive standards? Yes, it is compliant with VDA 2.0 and includes a 3-level Watchdog.
- What kind of drivers does the L9779WD-TR support? It supports IGBT pre-drivers, external MOS pre-drivers, and configurable power stages for stepper motor and high-side/low-side drivers.
