Overview
The L9779WD is an integrated circuit designed specifically for automotive environments and implemented in BCD6S technology. It 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 automotive applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | HiQUAD-64 |
| Operating Temperature (°C) | -40.0 to 150.0 |
| Operating Voltage (V) | 6.0 to 18.0 |
| ECCN US | EAR99 |
| ECCN EU | NEC |
| Packing Type | Tape and Reel, Tray |
| RoHS Compliance | Ecopack2 |
| Grade | Automotive |
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 (OUT13 to 18, MRD)
- Protected low-side injector drivers (OUT1 to 4)
- Protected low-side high current drivers (OUT5, 6, 7)
- Protected low-side low current drivers (OUT19, 20)
- IGBT pre-drivers (IGN1 to 4)
- External MOS pre-drivers (OUT8 to 9)
- Configurable power stages CPS – Stepper motor driver/high-side - low-side (OUT21 to 28)
- Thermal warning and shutdown
- Serial interface – Micro Second Channel interface (MSC), ISO9141 interface (K-Line), SPI (for L9779WD-SPI variant)
- High speed CAN transceiver
- Dedicated pin VDDIO to select the voltage level of digital output used for serial communication
- VDA 2.0 compliance with 3 level Watchdog
Applications
The L9779WD is specifically designed for automotive applications, particularly for engine management control units. It is suitable for controlling various automotive loads such as lamps, motors, and solenoids, ensuring reliable and efficient operation in automotive environments.
Q & A
- Q: What is the primary function of the L9779WD?
A: The L9779WD is designed to provide all basic functions for standard engine management control units in automotive environments.
- Q: What package type does the L9779WD use?
A: The L9779WD is assembled in the HiQUAD-64 power package.
- Q: What are the operating temperature and voltage ranges for the L9779WD?
A: The operating temperature range is -40°C to 150°C, and the operating voltage range is 6.0 V to 18.0 V.
- Q: Does the L9779WD support serial communication interfaces?
A: Yes, it supports Micro Second Channel interface (MSC), ISO9141 interface (K-Line), and SPI (for the L9779WD-SPI variant).
- Q: What kind of protections does the L9779WD offer?
A: The L9779WD offers overvoltage protection, overcurrent protection, and thermal shutdown.
- Q: Is the L9779WD RoHS compliant?
A: Yes, it is RoHS compliant with the Ecopack2 grade.
- Q: What is the purpose of the Secure Engine Off (SEO) functionality?
A: The SEO functionality ensures the safe completion of the driver switch off procedure.
- Q: Can the L9779WD be used for controlling stepper motors?
A: Yes, it includes configurable power stages for stepper motor drivers.
- Q: Does the L9779WD support high-speed CAN communication?
A: Yes, it includes a high-speed CAN transceiver.
- Q: What is the VDA 2.0 compliance feature in the L9779WD?
A: The L9779WD is VDA 2.0 compliant with a 3-level Watchdog.
