Ic, Txrx, Phy, 10/100, 3.3V, 48Lqfp; Data Rate:100Mbps; Ethernet Type:Ieee 802.3, Ieee 802.3U; Supply Voltage Min:3.135V; Supply Voltage Max:3.465V; Controller Ic Case Style:Lqfp; No. Of Pins:48Pins; Ic Interface Type:Mii, Rmii, Rohs Compliant: Yes |Microchip KSZ8001LI

KSZ8001LI – 10/100 Ethernet Transceiver PHY IC – Microchip Technology

The Microchip Technology KSZ8001LI is a high-performance, single-port 10/100 Ethernet transceiver PHY IC designed for embedded networking applications. This robust 3.3V interface solution delivers reliable data transmission with low power consumption, making it ideal for industrial and commercial systems requiring stable Ethernet connectivity. PCX ensures authentic Microchip components with same-day shipping and dedicated technical support.

Key Features

• Data Rate: 100Mbps Ethernet performance
• Interface Support: MII, RMII, and SMII protocols
• Voltage Range: Dual supply (1.8V & 3.3V) operation
• Temperature Range: Industrial-grade -40°C to 85°C
• Compliance: IEEE 802.3/802.3u standards & RoHS certified
• Package: 48-LQFP (7x7mm) surface-mount design

Technical Specifications

This active transceiver IC features full-duplex operation and supports multiple media-independent interfaces for flexible system integration. The KSZ8001LI base product series delivers precise signal integrity with a supply voltage tolerance of 3.135V–3.465V. Its compact 48-pin LQFP package enables space-efficient PCB layouts while maintaining thermal resilience across industrial environments.

Typical Applications

• Industrial automation controllers
• Embedded networking modules
• IoT gateway devices
• Medical monitoring equipment
• Building management systems

About Microchip Technology

Microchip Technology is a globally recognized leader in microcontroller, mixed-signal, and connectivity solutions. With over three decades of innovation, they deliver silicon-proven reliability for mission-critical applications across automotive, industrial, and consumer markets.

Their rigorous quality control and continuous R&D investment ensure components meet stringent performance benchmarks. Microchip’s Ethernet PHY product line, including the KSZ8001LI, exemplifies their commitment to energy-efficient, standards-compliant connectivity solutions trusted by engineering teams worldwide.

About Ethernet Transceiver ICs

Ethernet transceivers serve as the physical layer (PHY) interface between network controllers and copper media, handling analog signal conversion and link management. These ICs are fundamental for implementing wired network connectivity in electronic systems.

Modern PHY transceivers like the KSZ8001LI provide critical features like auto-negotiation, cable diagnostics, and ESD protection. Their integration simplifies designs for industrial IoT devices, embedded systems, and communication infrastructure where deterministic data transfer is essential.

Packaging

Available in industry-standard tray packaging for automated assembly. Contact PCX for reel packaging options and moq details.

FAQs

Q: Is this IC compatible with 5V systems?
A: No, it operates at 1.8V/3.3V only. Use level shifters for 5V interfaces.

Q: Does it support auto-MDIX for cable connections?
A: Yes, the KSZ8001LI features automatic crossover detection.

Q: What magnetics are required for this PHY?
A: Standard 10/100 Ethernet transformers with 1:1 turns ratio. Refer to DS00003062A for schematics.

Q: Can it operate in half-duplex mode?
A: No, this transceiver supports full-duplex operation only.

Q: Is evaluation hardware available?
A: Yes, PCX provides access to Microchip development tools – inquire about EVB kits.

Q: How does this differ from the KSZ8001L variant?
A: The “I” suffix denotes industrial temperature range (-40°C to 85°C).

⚠️ Product images are representational. Refer to datasheet for exact specifications.
📄 Datasheet: Download from PCXCo.com

Ready to Integrate Reliable Ethernet Connectivity?

PCX guarantees authentic Microchip components with verified traceability. Order KSZ8001LI transceivers today for same-day shipping! Contact our engineering support team for design assistance.