Overview
The ISL3179EIUZ-T is a low-power, high-reliability RS-485/RS-422 transceiver from Renesas Electronics (formerly Intersil) , designed for industrial communication networks and multi-node bus systems . This device supports half-duplex communication mode and features excellent interference immunity and stable data transmission performance.
The ISL3179EIUZ-T employs an advanced low-power design, significantly reducing system power consumption while maintaining high communication rates. It is ideal for industrial automation, building control, energy management, data acquisition systems, and embedded communication devices . Its high ESD protection and wide common-mode range enable long-term stable operation in complex industrial environments.
Core parameters
| Parameter | value |
| Product Type | RS-485 / RS-422 transceivers |
| Communication mode | half-duplex |
| Maximum data rate | 20 Mbps |
| Bus node count | Supports multi-node networks |
| Power supply voltage | 3.0V to 3.6V |
| Receiver input range | -7V to +12V |
| ESD protection | ±15kV (HBM, typical) |
| Drive output | difference |
| Low power mode | support |
| Encapsulation type | MSOP-8 (U) |
| Operating temperature range | -40°C to +85°C |
| Packaging | Tape (-T) |
| Environmental standards | RoHS compliant |
Features
High-speed and stable data communication
ISL3179EIUZ-T supports the highest With a communication rate of 20Mbps , it can meet the communication needs of industrial automation and high-speed data acquisition systems, and can still maintain stable signal quality in long-distance bus networks.
Low power consumption design, suitable for embedded systems
This device is optimized for low-power applications, reducing power consumption while maintaining communication performance, making it ideal for devices with limited power or those requiring long-term operation.
Strong anti-interference capability
The device features a wide common-mode voltage range and high ESD protection, enabling reliable communication in environments with high electromagnetic interference, and is suitable for industrial control and fieldbus systems.
Small package, saving PCB space
The MSOP-8’s small package makes it suitable for high-density circuit designs, especially for space-constrained embedded devices and communication modules.
Typical application scenarios
- Industrial automation systems include
PLCs, fieldbus communication, and equipment control networks. - Building automation and infrastructure
HVAC control, lighting management, and security communication systems. - For energy and power equipment
energy monitoring systems, and power data acquisition. - Data acquisition and remote monitoring
sensor networks, remote terminal units (RTUs). - Embedded communication device
RS-485 interface module and communication converter.
Comparative Advantage Analysis
| Performance indicators | ISL3179EIUZ-T | Standard RS-485 transceiver |
| Maximum speed | 20 Mbps | 10 Mbps or lower |
| Power consumption | Low | medium |
| ESD protection | high | generally |
| Package size | MSOP-8 | Larger |
| Industrial reliability | high | generally |
| Application Environment | Industrial grade | Basic communication |
The ISL3179EIUZ- T significantly outperforms ordinary RS-485 transceivers in terms of high-speed communication capabilities, power consumption control, and industrial environment adaptability, making it an ideal choice for high-reliability industrial communication systems.
Manufacturer Profile: Renesas Electronics
Renesas Electronics is one of the world’s leading semiconductor manufacturers , with a comprehensive product line in industrial control, automotive electronics, and communication chips. Its RS-485 interface devices are widely used in industrial and infrastructure equipment due to their high reliability, stable performance, and long-term supply capabilities .
Why choose ISL3179EIUZ-T?
●Supports high-speed RS-485 communication up to 20Mbps
● Low-power design, suitable for long-term operation
● Wide common-mode range, adaptable to complex industrial environments
● High ESD protection capability, improving system reliability
● MSOP-8 small package, saving PCB space
● Industrial-grade temperature range, stable and reliable
Frequently Asked Questions (FAQ)
Q1: Is the ISL3179EIUZ-T suitable for 3.3V systems?
Yes. This device operates from 3.0V to 3.6V, making it ideal for direct connection to 3.3V MCUs or embedded systems.
Q2: Is it suitable for long-distance RS-485 networks?
Yes. The ISL3179EIUZ-T features a wide common-mode range and high anti-interference capability, ensuring stable and reliable data transmission in long-distance industrial communication networks.
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