LAN9730I-ABZJ-TR

Controllers Overview

The LAN9730I-ABZJ-TR is a single-chip USB 2.0 to 10/100 Ethernet controller manufactured by Microchip Technology. It integrates a Hi-Speed USB 2.0 device controller, an HSIC interface, a 10/100 Ethernet MAC, and an Ethernet PHY with HP Auto-MDIX support. The device features 30 kB of internal packet buffering, including 28 kB for the FIFO Controller and 2 kB for the Transaction Layer Interface. It supports four USB endpoints and operates within a commercial temperature range of 0°C to +70°C or an industrial range of -40°C to +85°C. The component is housed in a 56-pin VQFN package measuring 8 x 8 mm.

Controllers Feature Summary

• Integrates a Hi-Speed USB 2.0 device controller compliant with revision 2.0 specifications, supporting HS mode at 480 Mbps and four distinct USB endpoints.
• Combines a high-performance 10/100 Ethernet MAC and PHY that supports auto-negotiation, full/half-duplex operation, and automatic polarity correction.
• Includes an integrated HSIC interface compliant with High-Speed Inter-Chip USB Electrical Specification Revision 1.0 for low-power chip-to-chip connectivity.
• Provides multiple power management modes, including various USB suspend states and wake events such as Magic Packet, Wake on LAN, and Link Status Change.

Controllers Applications

• Embedded Systems
• Set-Top Boxes
• Personal Video Recorders (PVRs)
• Consumer Electronics Devices
• Networked Printers

Controllers Procurement Notes

Verify the specific ordering suffix against official documentation to confirm temperature grade and packaging configuration. Ensure compatibility with required operating systems and driver support before integration. Confirm environmental ratings match the target application's thermal constraints. Validate pinout assignments and electrical characteristics against the latest datasheet revisions.

Controllers Selection Notes

Select this component when a compact solution for bridging USB hosts to Ethernet networks is required. Consider the integrated PHY and MAC for reduced external component count. Evaluate power consumption requirements against available suspend modes. Verify that the host system supports the necessary USB descriptors and driver infrastructure for Windows, Linux, or embedded OS environments.

Controllers Part Context

This part belongs to the LAN9730 family of USB to Ethernet controllers. The 'I' designation indicates the industrial temperature variant (-40°C to +85°C), while 'ABZJ' specifies the 56-pin VQFN package. The '-TR' suffix denotes tape and reel packaging for automated assembly processes. This series targets cost-effective connectivity solutions for consumer and industrial electronics.

Controllers Replacement Considerations

Consult official Microchip documentation for verified substitute part numbers. Cross-reference package dimensions and pin configurations to ensure mechanical compatibility. Verify functional equivalence regarding USB speed, Ethernet standards, and power management features before substitution.