MCP2562-E/SN High-Speed CAN Transceiver: Data Sheet and Application Notes

The MCP2562-E/SN is a highly integrated high-speed CAN (Controller Area Network) transceiver from Microchip Technology, serving as a critical interface between a CAN protocol controller and the physical two-wire CAN bus. It is fully compliant with the ISO-11898-2 standard, making it an ideal solution for a wide array of automotive and industrial applications that demand robust network communication under harsh electrical conditions.

A primary strength of the MCP2562-E/SN lies in its robust electromagnetic compatibility (EMC) and electrostatic discharge (ESD) protection. The device is engineered to withstand severe electrical disturbances, featuring significant protection on the CAN bus pins (up to ±8 kV for IEC 61000-4-2 contact discharge). This ensures reliable operation and enhances the long-term durability of the network node, reducing the need for additional external protection components.

The transceiver supports high data rates of up to 1 Mb/s, which is essential for real-time control systems found in modern vehicles (e.g., engine control, powertrain, and body electronics) and industrial automation (e.g., PLCs and sensor networks). Its ability to handle this speed while maintaining signal integrity is paramount for the deterministic performance required in these systems.

A key feature for system safety and diagnostics is the integrated fault detection and management capabilities. The MCP2562-E/SN includes a mode control pin that allows the device to be placed in a low-power Standby mode, reducing the supply current to a minimal level when the node is inactive. Furthermore, it offers comprehensive diagnostic functions such as thermal shutdown protection and a detectible open on the CAN bus lines, which aids in early system fault detection and maintenance.

From an application perspective, the MCP2562-E/SN is designed for ease of use. It operates from a single +5V supply and features excellent immunity to ground shifts, tolerating a common-mode voltage range of -2V to +7V. This allows the transceiver to function correctly even when there are significant ground potential differences between nodes on the network, a common scenario in large distributed systems like automobiles.

When designing with this transceiver, careful attention to the PCB layout is recommended. The use of a common-mode choke and split termination resistors can further improve EMC performance. Proper decoupling capacitors should be placed close to the VDD and VSS pins to ensure stable operation.

ICGOODFIND: The MCP2562-E/SN stands out as a reliable, high-performance, and cost-effective solution for implementing robust CAN network nodes. Its combination of high-speed operation, exceptional protection features, and diagnostic capabilities makes it a premier choice for designers in the automotive and industrial control sectors.

Keywords: High-Speed CAN Transceiver, ISO-11898-2, ESD Protection, Fault Detection, Standby Mode.