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MICROCHIP LAN9512-JZX-TR LAN9512
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MICROCHIP LAN9512-JZX-TR
- Type
- MICROCHIP
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MICROCHIP
- Electronic Component
- LAN9512-JZX-TR
- Electronic Component
- 1
- Package
- QFN-64-EP(9x9)
- Electronic Component
- Ethernet Controller
- Electronic Component
- 0.314g
- Electronic Component
- 1
- Channel Count
- 1
- Integrated PHY
- Electronic Component
- Features
- Programmable LED; Low Power; positions
- Electronic Component
- BM0227638964
- Operating Temperature
- 40℃~+85℃
- Operating Voltage
- 3.3V
- Communication Interface
- JTAG
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
LAN9512-JZX-TR 产品概述
一、概述
LAN9512-JZX-TR 是 Microchip（美国微芯）推出的一款单通道以太网到 USB 桥接器，集成了 10/100BASE‑TX PHY 和 USB‑接口，封装为 QFN-64-EP（9x9mm）。器件工作电压为 3.3V，工作温度范围为 -40℃ 至 +85℃，并提供 JTAG 接口用于调试与测试。该器件适合在空间受限且对工业级可靠性有要求的嵌入式以太网应用中使用。
二、主要特性
- 单通道 10BASE‑T / 100BASE‑TX 以太网物理层（PHY）集成，减少外部元件数量与 PCB 布局复杂度。
- 与 USB 2.0 兼容的主机接口，实现以太网帧与 USB 数据包的桥接，便于将以太网功能引入基于 USB 的系统。
- 单电源 3.3V 工作，适配常见的嵌入式电源方案。
- 工业级工作温度范围（-40℃ ~ +85℃），适用于工业、通信、物联网等恶劣环境。
- 封装：QFN-64-EP（9x9mm），利于高密度 PCB 设计并有利于散热。
- JTAG 接口：便于工程调试、边界扫描和生产测试。
三、优势与应用场景
优势：
- 高度集成：内置 PHY 降低 BOM 成本与设计复杂度。
- 工业温度范围与 3.3V 电源兼容性，适配工业级嵌入式平台。
- QFN-64-EP 小体积更利于紧凑型设备布局。
典型应用：
- 嵌入式网关与智能网关模块
- 工业控制器与远程 I/O 设备
- 机顶盒、数字标牌与多媒体终端（需以太网与 USB 连接）
- 测试与生产线上需要 USB 以太网功能的设备
四、设计与实现建议
- 封装与布局：QFN-64-EP 中央焊盘（EP）应与 PCB 地平面良好焊接并做热过孔，利于散热与电气接地。注意引脚差分对与时钟线路走线规则，保持信号完整性。
- RJ45 与磁性网络：尽管 PHY 集成，仍需配合合适的 RJ45 连接器（可选带磁性隔离的模块）和必要的滤波/共模扼流元件以满足 EMI/EMC 要求。
- 电源与去耦：3.3V 电源输入应在器件附近放置适当的高频与低频去耦电容，遵循器件数据手册中的电源滤波建议。
- 调试与生产测试：利用 JTAG 接口进行芯片级调试与边界扫描，提高产线测试效率。
五、合规与支持
LAN9512-JZX-TR 属于 Microchip 旗下成熟的以太网桥接产品系列，通常可获得厂商的软件驱动与技术支持，适配主流操作系统与嵌入式平台。选型时建议参考官方数据手册与参考设计，验证在目标环境下的性能与兼容性。
总结：LAN9512-JZX-TR 以其集成 PHY、工业级温度范围与小尺寸 QFN 封装，为需要将以太网功能通过 USB 接入的嵌入式与工业应用提供了简洁且可靠的解决方案。使用前请参阅 Microchip 提供的完整器件资料、布局指南与电气规范以确保系统级可靠性与性能。
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