Ethernet ICs GbE Physical Layer Transceiver

KSZ9031RNXCA-TR – Gigabit Ethernet Transceiver IC – Microchip Technology

Optimize your network infrastructure with the KSZ9031RNXCA-TR Gigabit Ethernet transceiver from Microchip Technology. This high-performance IC delivers robust connectivity for industrial and embedded systems, featuring low-power operation and advanced signal integrity. Trust PCX for reliable sourcing with same-day shipping and technical support.

Key Features

• Gigabit Ethernet Protocol with full-duplex operation
• Quad-port design: 4 drivers/4 receivers
• Wide voltage support: 1.8V, 2.5V, or 3.3V operation
• Surface-mount ready: 48-QFN (7×7) package
• Extended temperature range: 0°C to 70°C

Technical Specifications

This IEEE 802.3-compliant transceiver integrates PHY functionality with RGMII/MII interfaces for seamless processor integration. The 48-VFQFN exposed pad package enhances thermal dissipation, while on-chip termination resistors minimize external components. Signal conditioning features include baseline wander correction and adaptive equalization for superior noise immunity in electrically noisy environments.

Typical Applications

• Industrial automation controllers
• Embedded networking equipment
• Medical diagnostic devices
• IP surveillance systems
• IoT gateway devices

About Microchip Technology

Microchip Technology stands at the forefront of semiconductor innovation, with over three decades of expertise in developing mission-critical embedded solutions. Their reputation for rigorous quality testing and long-term product lifecycle support makes them the preferred choice for industrial and automotive applications worldwide.

The company maintains industry-leading reliability standards, with components designed to exceed JEDEC specifications. Microchip’s commitment to backward compatibility ensures design longevity, while their global manufacturing facilities guarantee consistent supply chain integrity for high-volume deployments.

About Ethernet Transceiver ICs

Ethernet transceivers serve as the physical interface between network controllers and cabling infrastructure, handling critical signal conversion and conditioning tasks. These ICs translate digital data into analog signals for transmission over copper cables while implementing noise reduction and error correction protocols.

Modern transceivers like the KSZ9031 series enable energy-efficient networking through advanced power management, supporting industrial automation and smart grid applications where reliability is paramount. Their integration of MAC/PHY functionality reduces board space requirements while improving signal timing accuracy in high-speed data transfer scenarios.

Packaging Options

Available in industry-standard formats: Tape & Reel (TR), Cut Tape (CT), and Digi-Reel® configurations. All packaging meets ESD protection standards for secure handling during assembly. Note: Product images are representational; refer to datasheet for exact dimensions.

Frequently Asked Questions

Q: Does this support auto-negotiation for speed selection?
A: Yes, the KSZ9031 automatically negotiates 10/100/1000 Mbps operation with link partners.

Q: What cable lengths are supported?
A: It reliably supports CAT5e/CAT6 cables up to 100 meters at 1Gbps speeds.

Q: Is external magnetics required?
A: Yes, standard Ethernet magnetics modules are required for signal isolation.

Q: Can it operate in harsh environments?
A: While rated 0-70°C, industrial-grade variants are available for extended ranges.

Q: What’s the power consumption at 1Gbps?
A: Typically 300mW per port at 3.3V in active mode.

Q: Are evaluation boards available?
A: Microchip offers development kits – contact PCX support for availability.

Download full datasheet: KSZ9031RNXCA-TR Specifications

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