Overview
The L9779WDM, produced by STMicroelectronics, is an integrated circuit designed specifically 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, which is a 14x14 mm package, ensuring robust performance and reliability in automotive applications.
Key Specifications
| Parameter | Description |
|---|---|
| Package | HiQUAD-64 14x14 mm |
| Grade | Automotive |
| RoHS Compliance | Ecopack2 |
| Operating Temperature (°C) | Min: -40, Max: 150 |
| Voltage Regulators | 5 V, 3.3 V |
| Serial Interface | Micro Second Channel (MSC), ISO9141 (K-Line), High speed CAN transceiver |
| Power Stages | Configurable power stages CPS – Stepper motor driver/high-side - low-side |
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 and injector drivers
- IGBT pre-drivers (IGN1 to 4) and 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 – MSC, ISO9141 (K-Line), 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 L9779WDM is primarily used in automotive engine management systems. It provides the necessary functions for controlling and managing engine operations, including fuel injection, ignition, and various sensor interfaces. This IC is suitable for use in a wide range of automotive applications where robust and reliable engine control is critical.
Q & A
- What is the primary application of the L9779WDM IC?
The L9779WDM is primarily used in automotive engine management systems.
- What technology is the L9779WDM implemented in?
The L9779WDM is implemented in BCD6S technology.
- What type of package does the L9779WDM use?
The L9779WDM is assembled in the HiQUAD-64 power package.
- What are the key voltage regulators provided by the L9779WDM?
The IC provides 5 V and 3.3 V logic regulators.
- Does the L9779WDM have thermal protection features?
Yes, it includes thermal warning and shutdown features.
- What serial interfaces are supported by the L9779WDM?
The IC supports Micro Second Channel (MSC), ISO9141 (K-Line), and High speed CAN transceiver interfaces.
- Is the L9779WDM RoHS compliant?
Yes, the L9779WDM is RoHS compliant with an Ecopack2 grade.
- What is the operating temperature range of the L9779WDM?
The operating temperature range is from -40°C to 150°C.
- Does the L9779WDM have watchdog functionality?
Yes, it complies with VDA 2.0 and includes a 3-level Watchdog.
- What kind of power stages are configurable in the L9779WDM?
The IC has configurable power stages CPS for stepper motor drivers and high-side/low-side drivers.
