Introduction

The onsemi (SZ)NUP1128/2128 is a robust ESD protection diode specifically engineered for safeguarding automotive and industrial communication networks. Designed to shield CAN and LIN transceivers from electrostatic discharge (ESD) and transient voltage spikes, this component is essential for maintaining the reliability and longevity of sensitive electronic systems.

Part Description

The (SZ)NUP1128/2128 is a single-line LIN and dual-line CAN bus protector, housed in a compact package. It provides bidirectional protection for each data line, ensuring that both incoming and outgoing signals are shielded from harmful voltage events. This device is AEC-Q100 qualified, making it suitable for automotive applications that demand high reliability and stringent electromagnetic interference (EMI) compliance. Its high temperature rating further enhances its suitability for harsh environments, while its small footprint allows for easy integration into space-constrained designs.

Applications

• Protection of CAN and LIN transceivers in automotive networks
• Safeguarding industrial communication buses from ESD and voltage transients
• EMI compliance enhancement in electronic control units (ECUs)
• Data line protection in sensor and actuator networks
• Robust interface protection in automation systems

Industries

• Automotive
• Industrial Automation
• Transportation
• Robotics
• Heavy Machinery
• Smart Infrastructure

Usage Ideas

1. Automotive ECU Protection: Integrate the (SZ)NUP1128/2128 into an automotive electronic control unit to protect CAN and LIN communication lines from ESD and voltage spikes, ensuring reliable vehicle operation.

2. Factory Automation Network: Use the device to safeguard industrial CAN bus lines in a factory automation system, minimizing downtime caused by electrical disturbances.

3. Smart Sensor Node: Employ the protector in a smart sensor node for harsh environments, providing robust ESD protection for communication interfaces exposed to frequent human interaction or environmental stress.

Conclusion

The onsemi (SZ)NUP1128/2128 is a versatile and reliable ESD protection diode, purpose-built for modern automotive and industrial communication networks. Its compact design, bidirectional protection, and automotive-grade qualification make it an excellent choice for engineers seeking to enhance the durability and compliance of their electronic systems. Whether in vehicles, factories, or smart infrastructure, this component ensures that critical data lines remain protected and operational.