The TLE82463-3SA is a monolithic integrated circuit manufactured by Infineon Technologies. It's a highly integrated system basis chip (SBC) designed for automotive applications. This SBC integrates a voltage regulator, a watchdog timer, and a high-speed CAN transceiver, making it a comprehensive solution for microcontroller-based systems in vehicles.
Applications
- Automotive ECUs (Engine Control Units): Powering and monitoring microcontrollers in engine management systems.
- Body control modules: Managing various vehicle functions such as lighting, wipers, and door locks.
- Transmission control units: Controlling automatic transmissions and gear shifting.
- Anti-lock braking systems (ABS): Providing power and communication for ABS controllers.
- Electric power steering (EPS): Controlling power steering systems in modern vehicles.
Features
- Integrated voltage regulator: Provides a stable 3.3V supply for the microcontroller.
- Watchdog timer: Monitors microcontroller activity and resets the system in case of a fault.
- High-speed CAN transceiver: Enables communication with other ECUs on the CAN bus.
- Low quiescent current: Minimizes power consumption in standby mode.
- Overtemperature protection: Protects the device from overheating.
Benefits
- Reduced component count: Integration of multiple functions simplifies system design.
- Improved reliability: Watchdog timer ensures system stability and prevents malfunctions.
- Enhanced communication: CAN transceiver provides reliable data transmission.
- Lower power consumption: Low quiescent current extends battery life in automotive applications.
- Robust protection: Overtemperature protection prevents damage to the device.
Additional Details
The TLE82463-3SA typically operates with a wide input voltage range, suitable for automotive battery voltages. The voltage regulator features a high degree of accuracy and stability to ensure proper operation of the microcontroller. The watchdog timer can be configured to trigger a reset after a specific time interval if the microcontroller fails to respond. The CAN transceiver complies with the CAN standard and supports data rates up to 1 Mbps. Infineon Technologies provides detailed datasheets with comprehensive specifications, including pinout diagrams, electrical characteristics, and application notes. These datasheets are essential for engineers and designers to ensure proper integration of the IC into their automotive systems. Adherence to recommended PCB layout and component selection practices is crucial for minimizing noise and ensuring stable operation. The TLE82463-3SA also includes protection circuitry to prevent damage from overvoltage, short circuits, and reverse polarity. Proper thermal management is important for maintaining the IC's reliability and preventing overheating.
The TLE82463-3SA's package type is typically a PG-DSO-14 or similar, designed for surface mounting on printed circuit boards. The device's operating temperature range is specified to meet the harsh environmental conditions of automotive applications. Proper grounding and decoupling techniques are also important for minimizing noise and ensuring stable operation.