Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

Mingjiada Electronics supplies the KSZ9031RNXCA, a high-performance Gigabit Ethernet physical layer transceiver developed by Microchip, suitable for a variety of network devices and application scenarios.

Product Overview

The KSZ9031RNXCA is a three-speed (10/100/1000Mbps) Ethernet physical layer transceiver compliant with the IEEE 802.3 standard, supporting data transmission and reception via standard CAT-5 unshielded twisted-pair cables. It integrates advanced features and technology to deliver exceptional signal integrity and includes auto-negotiation functionality for seamless connectivity with various network devices.

Product Specifications

Data Transfer Rate: Supports 10/100/1000Mbps adaptive data transfer rates, automatically selecting the optimal rate and duplex mode (half-duplex/full-duplex) based on the network environment.

Interface Type: Supports RGMII 2.0 interface with on-chip delay adjustment functionality, programmable TX/RX timing correction to ensure high-speed signal integrity; also supports SGMII interface for convenient connection to host controllers or FPGAs.

Operating voltage and I/O tolerance: Single 3.3V power supply input, with an integrated LDO controller generating a 1.2V core voltage; supports 3.3V/2.5V/1.8V tolerance I/O.

Package type: Uses a 48-pin leadless QFN package (7×7×0.8mm) with a pin pitch of 0.5mm; the compact design is suitable for space-constrained applications.

Operating temperature range: Commercial grade (KS29031RNXC) from 0°C to +70°C, automotive grade (KS29031RNXU) from -40°C to +85°C.

Energy-saving features: Integrated Energy-Efficient Ethernet (EEE) functionality, supporting Low Power Idle (LPI) mode to reduce power consumption during inactive states.

Diagnostic features: Built-in LinkMD® TDR (Time Domain Reflectometer) for detecting cable faults (such as short circuits, open circuits, etc.), and supporting remote and local loopback functions for system diagnostics.

Other features: Automatic MDI/MDI-X crossover detection functionality eliminates the need for manual cable configuration; supports jumbo frames (up to 16KB); provides programmable LED outputs to indicate link status and activity.

Technical specifications  

Data rate: 10/100/1000Mbps  

Interface standard: IEEE 802.3

Package: 48-QFN (7×7mm)  

Operating Temperature: 0°C to 70°C  

Power Voltage: 1.8V/2.5V/3.3V I/O, single 3.3V main power supply  

RoHS Compliance: Compliant with RoHS3 standards  

Typical Power Consumption: Low-power EEE mode support

Mingjiada Electronics Supply Advantages

Authentic Products: Microchip genuine products sourced through official channels, with complete original factory certification.

In-Stock Inventory: Shenzhen/Hong Kong warehouses, with shipping available within 72 hours.

Flexible Procurement: Minimum order quantity of 1 piece, with bulk orders eligible for price negotiation.

Contact Information  

Phone: +86 13410018555 (Mr. Chen)  

Email: sales@hkmjd.com  

Website: www.hkmjd.com

Company Address: Room 1239-1241, Xinyazhou Guoli Building, Zhenzhong Road, Futian District, Shenzhen City