Description
TLE7269G
The TLE7269G, a dual-channel LIN transceiver from Infineon Technologies, is designed for use in automotive and industrial applications. It combines a LIN 2.0 and SAE J2602-compliant communication protocol handler with a physical layer as per ISO 17987-4.
Key Features
- Compliant with LIN 2.0, LIN 2.1, LIN 2.2, and SAE J2602
- Supports baudrates up to 20 kbps
- Integrated analog and digital bus termination
- Very low current consumption in sleep mode (< 15 μA)
- High ESD robustness (8 kV according to IEC 61000-4-2)
- Supports data rates up to 20 kbps
- High jitter tolerance for reliable data transmission
- Thermally protected
Functional Description
The TLE7269G is designed with a focus on reliability and efficiency. Its compatibility with LIN protocols ensures it can be seamlessly integrated into various automotive and industrial networks. The low current consumption in sleep mode makes it suitable for battery-powered applications, contributing to energy efficiency and extended battery life.
The device’s high ESD robustness protects it against electrostatic discharges, enhancing its reliability in harsh environments. Its ability to support high data rates and maintain high jitter tolerance ensures reliable data transmission, which is critical in applications requiring precise timing and data integrity.
Technical Parameters
- Supply Voltage: 4.8 V to 5.2 V (e.g., 5 V supply)
- Current Consumption (Bus inactive, slew rate "fast" selected): Approximately 15 μA in sleep mode
- Operating Temperature: -40°C to 125°C
- Data Rate: Up to 20 kbps
- LIN Conformance: LIN 2.0, LIN 2.1, LIN 2.2, and SAE J2602
- Bus Load: 1 kΩ (external load)
- Jitter Tolerance: High, enabling reliable data transmission
- Package: DSO-8 (5.5 mm x 5.8 mm x 0.85 mm), VQFN-8 (3 mm x 3 mm), and SSOP-8 (4.4 mm x 5.5 mm)
Application Areas
The TLE7269G finds its applications in a variety of automotive and industrial systems, including but not limited to:
- Automotive Networks: Door control modules, seat control units, rain and light sensors, etc.
- Industrial Automation: LIN-based control and sensor networks
- Battery Management Systems: LIN communication for battery management in electric vehicles
Benefits and Advantages
- Improved Reliability: Due to high ESD robustness and low current consumption
- Flexibility: Can be used in a wide range of LIN applications
- Efficiency: Supports high data rates and low current consumption in sleep mode
- Ease of Use: Integrates well into existing LIN networks with minimal configuration required
The TLE7269G’s robustness, flexibility, and energy efficiency make it a preferred choice for engineers designing LIN-based applications, from simple sensor networks to complex vehicle systems.