ISL32493EIUZ

Overview

The ISL32493EIUZ is a full-duplex RS-485/RS-422 interface transceiver manufactured by Renesas Electronics Corporation. It operates on a single 5V supply and supports data rates up to 1 Mbps. The device features ±60V fault protection on the bus lines and includes high ESD protection capabilities. It is designed for robust communication in electrically noisy environments, offering reliable signal integrity with a common mode input range of -25V to +25V.

Feature Summary

• Full-duplex operation supporting both RS-485 and RS-422 communication standards
• Integrated ±60V fault protection to safeguard against bus line voltage spikes
• High electrostatic discharge (ESD) protection for enhanced reliability
• Hot-plug capability allowing connection while the system is powered

Applications

• Industrial automation networks requiring fault-tolerant communication
• Building automation systems utilizing RS-485 or RS-422 protocols
• Process control equipment operating in electrically noisy environments
• Data acquisition systems needing robust serial interface connectivity

Procurement Notes

Verify the specific package variant, as the model suffix may indicate different housing options such as MSOP or TFSOP. Confirm that the ±60V fault protection aligns with your system's maximum expected bus voltages. Ensure the full-duplex configuration matches your application's wiring requirements compared to half-duplex alternatives.

Selection Notes

Select this component when full-duplex communication is required alongside high-voltage fault tolerance. The 1 Mbps data rate suits moderate-speed industrial applications. Consider the operating temperature range of -40°C to 85°C for environmental compatibility. Verify pinout compatibility if replacing existing designs with similar interface controllers.

Part Context

This part belongs to the ISL3249x series of fault-protected transceivers from Renesas. It complements other models like the ISL32492, which offers half-duplex functionality. The series addresses the need for durable serial interfaces in harsh industrial settings where standard transceivers might fail due to voltage faults or ESD events.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.