KSZ9031MNXIA

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KSZ9031MNXIA

+BOM

IC TRANSCEIVER FULL 4/4 64QFN

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Specifications

Attribute Value
Package / Case Tray
Part Status Active
Type Transceiver
Protocol Ethernet
Number of Drivers/Receivers 4/4
Duplex Full
Data Rate 1000Mbps
Voltage - Supply 1.8V, 2.5V, 3.3V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount

Overview

Description

The KSZ9031MNXIA is a highly integrated Gigabit Ethernet PHY transceiver from Microchip, designed for 10/100/1000 Mbps operation. It features RGMII, GMII, MII, and RMII interfaces for flexible connectivity with MAC layers.
Key highlights:
- Low power consumption with energy-efficient Ethernet (EEE) support.
- Auto-negotiation and auto-MDI/MDIX for simplified cabling.
- Robust signal integrity with integrated termination and skew control.
- Operates on a 1.2V/3.3V supply, suitable for embedded systems.
Ideal for industrial, automotive, and consumer applications requiring reliable high-speed Ethernet. The 48-pin QFN package ensures compact PCB design.
For detailed specs, refer to the datasheet on Microchip’s website.

Equivalent

Equivalent products to the KSZ9031MNXIA (a Gigabit Ethernet PHY from Microchip) include:
- DP83867IR (Texas Instruments)
- AR8035 (Qualcomm/Atheros)
- RTL8211F (Realtek)
- 88E1512 (Marvell)
These are Gigabit Ethernet PHYs with similar features (RGMII, SGMII support, etc.). Always verify pin compatibility and specs for your design.

Features

The KSZ9031MNXIA is a Gigabit Ethernet PHY transceiver with the following key features:
- Interface: Supports RGMII, RMII, and MII for flexible connectivity.
- Speed: 10/100/1000 Mbps operation with auto-negotiation.
- Low Power: Energy-Efficient Ethernet (EEE) support for reduced power consumption.
- Signal Integrity: Integrated DSP for superior noise tolerance and cable reach.
- Package: 48-pin QFN (6x6 mm) for compact designs.
- Voltage: Single 1.2V core supply with 2.5V/3.3V I/O tolerance.
- Diagnostics: Cable diagnostics and link quality monitoring.
- Temperature Range: Industrial-grade (-40°C to +85°C).
Ideal for industrial, automotive, and networking applications.

Pinout

The KSZ9031MNXIA is a 10/100/1000BASE-T Gigabit Ethernet PHY with the following key details:
- Pin Count: 48 pins (QFN package).
- Functions:
- Supports GMII, RGMII, MII, and RMII interfaces.
- Auto-negotiation and auto-MDIX for speed/duplex detection.
- Energy-Efficient Ethernet (EEE) compliance.
- Integrated termination resistors for reduced BOM cost.
- IEEE 1588v2 support for precision timing.
- Single 3.3V supply operation.
It is commonly used in industrial, automotive, and networking applications.

Application

The KSZ9031MNXIA is a Gigabit Ethernet PHY transceiver commonly used in:
1. Industrial Automation – Robust communication in harsh environments.
2. Embedded Systems – IoT devices, single-board computers (e.g., Raspberry Pi).
3. Networking Equipment – Switches, routers, and gateways.
4. Automotive Infotainment – In-vehicle networking (Ethernet backbone).
5. Medical Devices – Reliable data transfer in diagnostic equipment.
6. Consumer Electronics – Smart TVs, gaming consoles.
It supports 10/100/1000 Mbps speeds, features RGMII/MII interfaces, and offers low power consumption, making it versatile for high-speed wired connectivity.

Package

The KSZ9031MNXIA is a Gigabit Ethernet PHY transceiver from Microchip, available in a 48-pin QFN (Quad Flat No-lead) package. The package type is QFN-48 (6x6 mm), featuring an exposed thermal pad for enhanced heat dissipation. It's designed for high-performance networking applications with compact PCB footprints.

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