LAN9250V/ML - 10/100 Ethernet Controller | Microchip | 64-QFN
Артикул: LAN9250V/ML ✓ АктивенLAN9250V/ML Обзор
Аналоги без доработки для LAN9250V/ML — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с LAN9250V/ML (тот же форм-фактор и посадочное место) — отличается по Package, Ethernet Speed, Host Interface, Product Type.
LAN9250/ML
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Открыть даташит →LAN9250V/ML Характеристики
| 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 |
| Корпус | 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 |
| Тип монтажа | Surface mount |
Руководство по цоколевке LAN9250V/ML в корпусе 64-qfn with exposed pad, 9 x 9 mm
Цоколевка для LAN9250V/ML (корпус 64-qfn with exposed pad, 9 x 9 mm). Нумерация выводов, функции и схемы подключения определены в техническом описании производителя. Обратитесь к нему для точного посадочного места и рекомендаций по пайке.
Нет подробных данных о распиновке для LAN9250V/ML.
Обратитесь к даташиту для полной конфигурации выводов.
Типичное применение
LAN9250V/ML подходит для 6 применениеs: 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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
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.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для LAN9250V/ML — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | 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 |
Ключевые отличия
- Single-chip 10/100 Ethernet integration (против LAN9250/ML)
- Multiple host-interface options (против LAN9250/ML)
- Timing and power-management feature set (против LAN9250/ML)
Заметки по проектированию
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.
Информация о соответствии
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.
