LAN9250V/ML - 10/100 Ethernet Controller | Microchip | 64-QFN
料号： LAN9250V/ML ✓ 量产中LAN9250V/ML 概述
直接替换替代料： LAN9250V/ML ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： LAN9250V/ML （相同外形与封装尺寸） ——差异在于 Package, Ethernet Speed, Host Interface, Product Type.
LAN9250/ML
✅ 直接替换联系询价
查看数据手册 →LAN9250V/ML 规格参数
| Product Type | Single-chip 10/100 Ethernet controller |
| Ethernet Speed | 10 Mb/s and 100 Mb/s |
| Ethernet Media Support | 10/100 Base-T/TX |
| Transceiver Count | 1 transceiver |
| Host Interface | 8/16-bit SPI/SQI |
| Additional Host Interface | I2C |
| Supply Voltage Options | 1.8 V, 2.5 V, and 3.3 V |
| 封装 | 64-QFN with exposed pad, 9 x 9 mm |
| Optical Fiber Support | Supported |
| IEEE 1588 Support | Supported |
| Low-Power Mode | Supported |
| Wake-Up Function | Supported |
| Power-On Reset | Supported |
| Programmable LED Indication | Supported |
| 安装类型 | Surface mount |
LAN9250V/ML 64-qfn with exposed pad, 9 x 9 mm 引脚配置指南
LAN9250V/ML（64-qfn with exposed pad, 9 x 9 mm 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： LAN9250V/ML.
请参阅 数据手册 以查看完整引脚配置。
典型应用
LAN9250V/ML 适用于 6 应用s: Industrial Ethernet Control Systems, Embedded Network Interface Modules, Factory Automation Gateways, IEEE 1588 Synchronized Equipment, Networked Optical Interface Equipment, Low-Power Networked Sensor Equipment.
Industrial Ethernet Control Systems
The LAN9250V/ML fits industrial Ethernet control systems that require a compact 10/100 network interface and a processor-oriented SPI/SQI connection. Its 10 Mb/s and 100 Mb/s support covers common factory and building-control networks, while IEEE 1588 support adds timing-oriented functionality for synchronized equipment. The 64-QFN exposed-pad package keeps the controller compact, but the PCB should provide proper thermal coupling, clean supply rails, and Ethernet differential routing. Because the verified information does not specify the operating-temperature range or complete electrical limits, the designer should confirm the exact LAN9250V/ML configuration against the manufacturer datasheet before using it in a safety- or mission-critical control path.
推荐
Embedded Network Interface Modules
The LAN9250V/ML can serve as the Ethernet engine in an embedded module where a host processor needs 10/100 Base-T/TX connectivity without separate MAC and PHY components. The 8-bit or 16-bit SPI/SQI interface provides a practical path between the controller and an embedded processor, while I2C support can assist with configuration or ancillary control. Integration still requires Ethernet magnetics, RJ45 or other connector selection, suitable decoupling, a stable clock source, and careful isolation between switching and sensitive circuits. The listed 1.8 V, 2.5 V, and 3.3 V supply options support different embedded platforms, subject to confirmation of the exact ordering configuration.
推荐
Factory Automation Gateways
LAN9250V/ML is appropriate for factory gateways that bridge serial embedded processing to a 10/100 Ethernet network. Its single-chip controller architecture reduces the number of discrete network components, and the compact 64-QFN package supports gateway designs with limited board area. Programmable LED indication can communicate link or activity status, while low-power mode and wake-up functions can support systems that must reduce energy use between network transactions. The Ethernet magnetics and connector remain external, and signal-integrity-sensitive differential pairs should be routed as a controlled impedance pair. Verify the controller's exact temperature grade and supply configuration for the factory environment.
推荐
IEEE 1588 Synchronized Equipment
The LAN9250V/ML can be used in equipment requiring Ethernet-based time synchronization because the verified product information explicitly lists IEEE 1588 support. A synchronized controller may coordinate measurement, actuation, logging, or event timing across a 10/100 network. The SPI/SQI host interface allows the host processor to exchange network traffic and synchronization-related data, while the single-chip design reduces implementation effort. Achieving useful synchronization performance depends on the complete system clocking design, network infrastructure, firmware support, and the manufacturer's reference implementation; the supplied snippets do not provide timestamp resolution or synchronization accuracy, so those values must be verified in the datasheet.
推荐
Networked Optical Interface Equipment
The LAN9250V/ML is relevant to equipment combining Ethernet control with optical-fiber links because the verified source data explicitly identifies optical-fiber support. Such systems can use the controller to manage network traffic and host integration while external optical components handle the physical medium. The controller's 10/100 Base-T/TX positioning, compact package, and serial host interface make it useful for bridges, remote I/O, and communication equipment. The optical topology and external components must be designed according to the manufacturer reference design, and the selected media interface must not be inferred solely from the broad support statement. Exact fiber-media, timing, and electrical details require datasheet confirmation.
推荐
Low-Power Networked Sensor Equipment
The LAN9250V/ML can support low-power networked sensors and monitoring equipment that must remain reachable without a continuously fully active host. Its low-power mode and wake-up functions are explicitly listed in the verified data, while the 10/100 Ethernet connection provides standard network access for configuration and telemetry. The SPI/SQI interface allows a microcontroller or low-power processor to connect efficiently, and the 64-QFN package reduces board footprint. Firmware must define the sleep and wake conditions correctly, and Ethernet magnics plus connector circuitry may dominate the standby current. Confirm the active and sleep-current values in the manufacturer datasheet before defining the product power budget.
推荐
推荐产品汇总
工程参考数据： LAN9250V/ML ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | LAN9250/ML |
|---|---|---|
| Package | 64-QFN with exposed pad, 9 x 9 mm | 64-QFN with exposed pad, 9 x 9 mm |
| Brand | Microchip Technology | Microchip Technology |
关键差异点
- Single-chip 10/100 Ethernet integration （对比 LAN9250/ML)
- Multiple host-interface options （对比 LAN9250/ML)
- Timing and power-management feature set （对比 LAN9250/ML)
设计说明
Reserve the 64-QFN exposed pad and connect it to the ground-plane system according to the manufacturer layout guidance. Place the required decoupling capacitors close to their associated supply pins and keep the Ethernet differential traces short, impedance-controlled, and free from unnecessary vias or test pads. The supplied snippets confirm the package and exposed pad but do not provide the complete pin table, so final pad assignment and layer construction must be checked against the manufacturer datasheet.
Separate the Ethernet PHY and digital host-interface paths from noisy power-conversion nodes. Use a continuous reference plane beneath the controller, avoid routing Ethernet pairs through power-switching areas, and place the external Ethernet magnetics and termination network in accordance with the reference design. This is especially important because the verified feature set includes 10/100 Base-T/TX operation alongside IEEE 1588 and low-power features.
Confirm the exact supply-voltage option and operating current for the ordered LAN9250V/ML configuration before finalizing the power tree. The verified distributor data lists 1.8 V, 2.5 V, and 3.3 V options, but it does not identify which voltage combination applies to every ordering suffix. Provide local decoupling, control startup current, and verify low-power and wake-up behavior in firmware rather than assuming the active-state specification represents system standby consumption.
Do not treat the related LAN9250/ML ordering variant as an automatic drop-in replacement without checking the complete manufacturer pinout and electrical tables. The verified snippets support the shared 64-QFN exposed-pad package but do not quantify voltage, interface width, temperature, timing, or feature differences. Also avoid inferring that optical-fiber support eliminates the need for approved external fiber-media components and isolation design.
合规信息
The supplied verified snippets do not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. These fields remain unknown rather than being inferred from general manufacturer practices.
