Overview
The L9524C-TR is a control IC designed by STMicroelectronics for managing up to six glow plugs in diesel engines. This integrated circuit is crucial for the efficient operation of diesel engine systems, ensuring the proper functioning and monitoring of the glow plugs. The L9524C-TR can be configured to work with either up to four external PWM-controlled N-channel Power MOSFETs or a single relay in high-side configuration. It monitors various parameters such as supply voltage, battery voltage, junction temperature, currents through the glow plugs, and charge pump voltage, ensuring robust and reliable performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | -0.3 to 45 | V |
| Operating Temperature Range | -40 to 150 | °C |
| Package Type | SO-24 | - |
| Packing Type | Tape and Reel (TR) | - |
| RoHS Compliance | Ecopack1 | - |
| Grade | Automotive | - |
Key Features
- Quad gate driver for external N-channel Power MOSFETs in high-side configuration with PWM output signal, adjustable gate charge/discharge currents, limited gate-to-source voltages, and negative clamping for inductive loads.
- Control output for external relay driver.
- Battery-voltage-compatible two-wire interface for communication with the diesel engine management system.
- Monitoring of supply voltage, battery voltage, junction temperature, currents through the glow plugs, and charge pump voltage with shutdown capabilities.
- Active clamping during load dump and advanced run-off control.
- Regulation of power through the glow plugs.
- Monitoring of external switches and adjustable overcurrent threshold.
Applications
The L9524C-TR is specifically designed for automotive applications, particularly in the control and management of diesel engine glow plug systems. It is ideal for use in diesel engines where precise control and monitoring of the glow plugs are essential for efficient engine operation.
Q & A
- What is the primary function of the L9524C-TR IC?
The L9524C-TR is a control IC for managing up to six glow plugs in diesel engines.
- How are the glow plugs switched in the L9524C-TR?
The glow plugs are switched by up to four external PWM-controlled N-channel Power MOSFETs or a single relay in high-side configuration.
- What parameters does the L9524C-TR monitor?
The IC monitors supply voltage, battery voltage, junction temperature, currents through the glow plugs, and charge pump voltage.
- What is the communication interface used by the L9524C-TR?
A two-wire interface is used to communicate with the diesel engine management system.
- What are the key features of the gate drivers in the L9524C-TR?
The gate drivers are capable of driving external N-channel Power MOSFETs with PWM output signals, adjustable gate charge/discharge currents, limited gate-to-source voltages, and negative clamping for inductive loads.
- Does the L9524C-TR have thermal shutdown capabilities?
Yes, the IC includes junction temperature monitoring with shutdown capabilities.
- What is the package type and packing method for the L9524C-TR?
The package type is SO-24, and it is available in tape and reel (TR) packing.
- Is the L9524C-TR RoHS compliant?
Yes, the L9524C-TR is RoHS compliant with an Ecopack1 rating.
- What is the operating temperature range of the L9524C-TR?
The operating temperature range is from -40°C to 150°C.
- What are the typical applications of the L9524C-TR?
The L9524C-TR is designed for automotive applications, specifically for diesel engine glow plug systems.
