The BU7964GUW is a CAN (Controller Area Network) transceiver manufactured by Rohm Semiconductor. This device is designed for automotive and industrial applications, facilitating robust and reliable communication between microcontrollers and other devices on a CAN bus. The transceiver complies with industry standards, ensuring compatibility and interoperability within established CAN networks.

Applications

• Automotive networks (e.g., body control, engine management)
• Industrial automation systems
• Heavy machinery control
• Building automation
• Robotics

Features

• High-speed CAN transceiver: Supports communication speeds up to 1 Mbps.
• Compliant with ISO 11898-2: Ensures compatibility with standard CAN protocols.
• Low power consumption: Optimizes energy efficiency for automotive and industrial applications.
• Wake-up function: Allows the system to be activated via the CAN bus.
• Protection features: Includes overvoltage, short-circuit, and thermal shutdown protection mechanisms.
• Wide operating temperature range: Suitable for use in harsh environmental conditions.
• Small package size: Reduces board space requirements.
• Excellent EMC performance: Ensures reliable communication in noisy environments.

Benefits

• Reliable communication: Robust design ensures dependable data transmission in automotive and industrial settings.
• Energy efficiency: Low power consumption reduces overall system energy demands.
• Simplified system integration: Compliant with industry standards for easy integration into existing CAN networks.
• Cost-effective solution: Offers a balance of performance and cost-effectiveness.
• Protection against electrical faults: Integrated protection features prevent damage from overvoltage and short circuits.
• Compact design: Small package size allows for use in space-constrained applications.

Additional Details

The BU7964GUW operates from a single power supply, typically 5V. It includes internal termination resistance, simplifying circuit design and reducing external component count. The device also incorporates slew rate control to minimize electromagnetic interference (EMI). It is designed to interface directly with a microcontroller for seamless data transmission and reception on the CAN bus. The specific packaging is a VSON8 package. The slew rate adjustment facilitates EMI suppression. The device incorporates both differential receiver inputs and differential transmit outputs.