Product Description
| Product Overview The MCP2551 is a fault-tolerant, high-speed CAN device that serves as both a CAN protocol controller and a physical bus interface. The MCP2551 provides differential transmit and receive capabilities for the CAN protocol controller and complies with the ISO-11898 standard, including 24V operation. Typically, each node in a CAN system must have a device that converts the digital signals generated by the CAN controller into signals suitable for bus transmission. It also provides a buffer between the CAN controller and high-voltage spikes on the CAN bus, which may be generated by external devices. |
| Product Features Supports 1MB/s operating rate. Meets ISO-11898 standard physical layer requirements. Suitable for 12V and 24V systems. External slope control reduces RFI. Automatically detects ground faults on the TXD input. Power-on reset and voltage event undervoltage protection. Unpowered nodes or undervoltage conditions will not affect the CAN bus. Low-current standby operation. Connectable to up to 112 nodes. |
| Pin Description VCC: Connect to the positive power supply GND: Connect to the negative power supply CTX: CAN controller transmit data input CRX: CAN bus receive data output CANH: CAN bus high (high-level CAN voltage input/output) CANL: CAN bus low (low-level CAN voltage input/output) |
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