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TLE9221SXXUMA2

TLE9221SXXUMA2 Description

The TLE9221SXXUMA2 from Infineon Technologies is an automotive-grade FlexRay transceiver designed for high-speed in-vehicle networking applications. Housed in a compact SSOP16-2 package, this 1/1 driver/receiver IC operates within a 4.75V to 5.25V supply range, ensuring compatibility with standard automotive power systems. As part of Infineon’s TLE9221 base product family, it meets stringent ROHS3 and REACH compliance requirements, making it suitable for environmentally conscious designs. Although marked as obsolete, its robust performance and adherence to AEC-Q100 standards (implied by its automotive grade) make it a reliable choice for legacy systems requiring FlexRay communication.

TLE9221SXXUMA2 Features

• FlexRay Protocol Support: Enables high-speed (up to 10 Mbps), deterministic communication for advanced automotive networks.
• Automotive-Grade Reliability: Qualified for harsh environments (-40°C to +125°C) with MSL 2A (4 weeks) moisture sensitivity.
• Low-Power Design: Optimized for energy efficiency in always-on systems like ECUs and safety modules.
• Surface-Mount (SSOP16-2): Compact footprint ideal for space-constrained PCB layouts.
• EMC/EMI Robustness: Enhanced noise immunity critical for automotive EMI-heavy environments.
• Single-Channel Integration: Simplifies design vs. multi-chip solutions, reducing BOM complexity.

TLE9221SXXUMA2 Applications

• X-by-Wire Systems: Fault-tolerant communication for steer-by-wire or brake-by-wire architectures.
• Advanced Driver Assistance Systems (ADAS): Reliable data transmission for radar/LiDAR modules.
• Powertrain Control Modules: High-speed messaging between engine/transmission ECUs.
• Industrial Automation: FlexRay-based machinery control where deterministic latency is critical.

Conclusion of TLE9221SXXUMA2

The TLE9221SXXUMA2 excels in legacy automotive networks demanding FlexRay’s deterministic performance. Its automotive-grade ruggedness, compact form factor, and compliance with environmental standards make it a pragmatic choice for designers needing reliable high-speed communication. While newer protocols like CAN FD may supersede FlexRay, this transceiver remains viable for maintenance or phased-upgrade scenarios in vehicles and industrial systems.

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