TI a first mover in CAN XL transceivers

The Controller Area Network (CAN) extended data-field length (XL) specification—which has been standardized for years—now has the first commercially available CAN XL transceiver. Texas Instruments has unveiled the TCAN6062 CAN XL transceiver, which supports payloads of up to 2,048 bytes per frame and data rates up to 20 Mbps.

The CAN XL transceiver ensures that priority messages are delivered first and on time, facilitating performance critical to humanoid robots, industrial robots, and human-machine interface (HMI) systems. This allows system designers to leverage CAN XL to exchange data rapidly and reliably in applications ranging from industrial robotics to automotive safety.

Figure 1 The CAN XL technology is promising to open the door to a new era of applications. Source: Texas Instruments

The new CAN XL transceiver is also backward compatible with CAN flexible data rate (FD) and CAN signal improvement capability (SIC) operations. This ensures a seamless migration and enables design teams to evolve existing designs incrementally without requiring a full redesign.

Next, while CAN XL is better and cheaper than CAN FD, it can also tunnel Ethernet. So, the CAN XL transceiver allows engineers to consolidate communication layers and use Ethernet in mixed-network architectures with Transmission Control Protocol/Internet Protocol (TCP/IP) tunneling. That facilitates efficient transfers of diagnostics, sensor data, control traffic, and over-the-air (OTA) updates on a single network.

Figure 2 The TCAN6062 CAN XL transceiver helps reduce ringing by up to 80% in complex networks, simplifying validation in high-node architectures. Source: Texas Instruments

CAN has been the backbone of industrial communications for decades. However, industrial systems are now generating and demanding more data than ever before. That’s because applications require fast, deterministic communication to synchronize motion control, sensor feedback, and diagnostic data. That, in turn, leads to new networking requirements, and as a result, engineers often accept system-level trade-offs to compensate for bandwidth constraints.

Dwight Byrd, GM of Interface Products at TI, claims that the TCAN6062 CAN XL transceiver bridges that gap. “It offers engineers a path to higher-bandwidth networks while maintaining the proven reliability CAN is known for.”

“As industrial systems become more intelligent and interconnected, what we ask of our networks continues to evolve,” Byrd added. “Engineers need more data, higher speeds, and greater flexibility, all without compromising performance or reliability.

TI’s networking technology managers are confident that CAN XL will open the door to a new era of applications, enabling systems to deliver higher performance at a reasonable cost. And here, TI has the first-mover advantage.

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