Overview
The L9779WD is an integrated circuit designed for automotive environments and implemented in BCD6S technology. It is conceived to provide all basic functions for standard engine management control units. This IC is assembled in the HiQUAD-64 power package, making it suitable for robust and reliable automotive applications.
Key Specifications
| Parameter | Description |
|---|---|
| Package | HiQUAD-64 14x14 |
| Grade | Automotive |
| RoHS Compliance Grade | Ecopack2 |
| Operating Temperature (°C) | -40 to 150 |
| Voltage Regulators | 5 V, 3.3 V |
| Supply Voltage | 5 V tracking sensor supply |
| Interface | Micro Second Channel (MSC), ISO9141 (K-Line), High speed CAN transceiver |
| Watchdog | VDA 2.0 compliance with 3 level Watchdog |
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 drivers (OUT13 to 18, MRD)
- Protected low-side injector drivers (OUT1 to 4)
- Protected high-current and low-current drivers
- IGBT pre-drivers (IGN1 to 4)
- External MOS pre-drivers (OUT8 to 9)
- Configurable power stages (CPS) for stepper motor and high-side/low-side drivers
- Thermal warning and shutdown
- Dedicated pin VDDIO for selecting digital output voltage level
Applications
The L9779WD is primarily designed for automotive engine management systems. It is suitable for various applications within the automotive sector, including:
- Engine control units
- Fuel injection systems
- Ignition systems
- Automotive sensors and actuators
- Other automotive control and monitoring systems
Q & A
- What is the primary application of the L9779WD IC?
The L9779WD is primarily designed for automotive engine management systems. - What technology is the L9779WD implemented in?
The L9779WD is implemented in BCD6S technology. - What type of package does the L9779WD come in?
The L9779WD is assembled in the HiQUAD-64 power package. - What are the key voltage regulators provided by the L9779WD?
The IC provides 5 V and 3.3 V logic regulators. - Does the L9779WD support any specific automotive communication interfaces?
Yes, it supports Micro Second Channel (MSC), ISO9141 (K-Line), and high-speed CAN transceiver interfaces. - What is the Secure Engine Off (SEO) functionality?
The SEO functionality ensures the safe completion of the driver switch-off procedure. - Does the L9779WD have thermal protection features?
Yes, it includes thermal warning and shutdown features. - What types of drivers are supported by the L9779WD?
The IC supports protected low-side relay drivers, injector drivers, high-current drivers, low-current drivers, IGBT pre-drivers, and external MOS pre-drivers. - Is the L9779WD RoHS compliant?
Yes, the L9779WD is RoHS compliant with an Ecopack2 grade. - What is the operating temperature range of the L9779WD?
The operating temperature range is from -40°C to 150°C.
