Ethernet ICs GbE Physical Layer Transceiver

KSZ9031RNXIC-TR – Quad-Port Gigabit Ethernet Transceiver IC – Microchip Technology

Elevate your networking hardware with the KSZ9031RNXIC-TR Gigabit Ethernet transceiver from Microchip Technology. This high-performance integrated circuit delivers reliable, low-latency data transmission for industrial and embedded systems. PCX ensures genuine Microchip components with same-day shipping and dedicated technical support.

Key Features

• Quad-Port Design: 4 independent drivers/receivers for multi-interface applications
• Triple Voltage Support: Operates at 1.8V, 2.5V, or 3.3V for design flexibility
• Industrial Temperature Range: -40°C to 85°C operation for harsh environments
• Full-Duplex Ethernet: Simultaneous bidirectional data transfer
• Compact Footprint: 48-QFN (7x7mm) surface-mount package

Technical Specifications

This IEEE 802.3-compliant transceiver IC features RGMII/MII interfaces with auto-negotiation and auto-MDIX capabilities. The 48-VFQFN exposed pad package enhances thermal performance while supporting advanced power management. Signal integrity is maintained through integrated termination resistors and robust ESD protection (HBM > 6kV).

Typical Applications

• Industrial automation controllers
• Embedded networking modules
• Network switches and routers
• Medical diagnostic equipment
• IP surveillance systems

About Microchip Technology

Microchip Technology stands at the forefront of semiconductor innovation, with over 30 years of expertise in embedded control solutions. Their commitment to quality is evidenced by industry-leading reliability metrics and comprehensive certification programs, including AEC-Q100 for automotive applications.

As a pioneer in connectivity solutions, Microchip maintains rigorous manufacturing standards across global facilities. Their Ethernet product line undergoes extensive validation testing, ensuring consistent performance in mission-critical systems worldwide. PCX exclusively distributes authentic Microchip components with full traceability.

About Ethernet Transceiver ICs

Ethernet transceivers serve as the critical interface between physical network cables and digital processing systems. These ICs handle essential functions including signal modulation, error correction, and protocol management, forming the backbone of wired network infrastructure.

Modern transceivers like the KSZ9031 series enable high-speed data transfer while minimizing power consumption and board space. Their robust design mitigates electromagnetic interference (EMI) in electrically noisy environments, making them indispensable for industrial IoT, automotive networking, and telecommunications equipment where signal integrity is paramount.

Packaging Options

Available in industry-standard formats: Tape & Reel (TR) for automated assembly, Cut Tape (CT) for prototyping, and Digi-Reel® for flexible reel quantities. All packaging complies with ESD-safe handling requirements.

Frequently Asked Questions

Q: Does this support 10/100/1000 Mbps speeds?
A: Yes, it auto-negotiates all standard Ethernet speeds up to 1Gbps.

Q: Is external PHY required?
A: No, this is a fully integrated single-chip solution with integrated PHY.

Q: What cable lengths are supported?
A: It supports standard Cat5e/Cat6 cables up to 100 meters per IEEE specifications.

Q: Are evaluation boards available?
A: Yes, PCX can provide Microchip development kit information upon request.

Q: Does it support Energy Efficient Ethernet (EEE)?
A: Yes, it complies with IEEE 802.3az EEE standards for power savings.

Q: What documentation is available?
A: Full datasheets and application notes are hosted on PCXCo.com for registered users.

Disclaimer: Product images are representational only. Refer to datasheets for exact specifications.

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