Overview
The L9779WD-SPI, also known as L9779-TR, is an integrated circuit designed specifically for automotive environments. It is implemented in BCD6S technology and is intended to provide all the basic functions required for standard engine management control units. This multifunction IC is assembled in the HiQUAD-64 power package, making it a comprehensive solution for automotive engine management systems.
Key Specifications
| Parameter | Description |
|---|---|
| Package | HiQUAD-64 |
| Operating Temperature (°C) | Min: -40, Max: 150 |
| Logic Regulators | 5 V and 3.3 V |
| Power Stages | 4 low-side N-channel and 4 high-side P-channel |
| Protected Low-Side Drivers | Injector drivers (OUT1 to 4), high current drivers (OUT5, 6, 7), low current drivers (OUT19, 20), relay drivers (OUT13 to 18) |
| IGBT Pre-drivers | IGN1 to 4 with parallel input |
| Serial Interface | SPI 16-bit frame, ISO9141 interface (K-Line), High speed CAN transceiver |
| Compliance | VDA 2.0 with 3 level Watchdog |
| RoHS Compliance | Ecopack2 |
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 (IGN1 to 4) with parallel input
- Configurable power stages (CPS) for stepper motor driver/high-side - low-side (OUT21 to 28)
- Thermal warning and shutdown
- Serial interface: SPI 16-bit frame, ISO9141 interface (K-Line), High speed CAN transceiver
- VDA 2.0 compliance with 3 level Watchdog
Applications
The L9779WD-SPI is primarily designed for use in automotive engine management systems. It is suitable for various automotive applications that require robust and reliable control over engine functions, including fuel injection, ignition, and sensor monitoring.
Q & A
- What is the L9779WD-SPI used for?
The L9779WD-SPI is used for engine management in automotive systems, providing all the basic functions required for standard engine control units.
- What technology is the L9779WD-SPI implemented in?
The L9779WD-SPI is implemented in BCD6S technology.
- What type of package does the L9779WD-SPI come in?
The L9779WD-SPI is assembled in the HiQUAD-64 power package.
- What are the key power stages of the L9779WD-SPI?
The L9779WD-SPI includes 4 low-side N-channel and 4 high-side P-channel power stages.
- Does the L9779WD-SPI have thermal protection?
- What serial interfaces are supported by the L9779WD-SPI?
The L9779WD-SPI supports SPI 16-bit frame, ISO9141 interface (K-Line), and High speed CAN transceiver.
- Is the L9779WD-SPI RoHS compliant?
- What is the operating temperature range of the L9779WD-SPI?
The operating temperature range is from -40°C to 150°C.
- Does the L9779WD-SPI have any specific automotive compliance?
- What are the protected low-side drivers in the L9779WD-SPI?
The protected low-side drivers include injector drivers, high current drivers, low current drivers, and relay drivers.
