LAN9250I/ML - 10/100 Ethernet Controller | Microchip
MPN: LAN9250I/ML ✓ AktifLAN9250I/ML Genel Bakış
An Ethernet controller is an interface IC that connects an embedded processor or microcontroller to a physical Ethernet network. Within the hierarchy of Ethernet interfaces, interface ICs, and semiconductors, the LAN9250I/ML provides a hardware interface between a host bus and a 10/100BASE-T network while reducing the need for external Ethernet components. Its integrated PHY makes it suitable for embedded systems requiring network connectivity without a discrete Ethernet transceiver.
Key features include one integrated 10/100 Ethernet transceiver, simultaneous support for 10 Mb/s and 100 Mb/s data rates, and host connectivity through 8-bit or 16-bit parallel, SPI, or Quad SPI interfaces. The manufacturer datasheet also identifies a configurable host interrupt, internal FIFOs, and memories. These resources let the host receive and transmit Ethernet traffic without implementing the complete Ethernet physical layer in hardware.
The LAN9250 architecture combines the Ethernet media-access controller and physical layer in one package. A parallel interface can provide higher host throughput than a serial interface when the system requires frequent packet movement. Conversely, SPI or Quad SPI reduces the number of host signal lines and can simplify connections to processors with limited parallel GPIO. Configuration of interrupt behavior and host access is handled through the device register interface.
Typical applications include industrial Ethernet equipment, factory automation controllers, embedded data acquisition systems, building-automation equipment, and network-connected test products. The part is also appropriate for compact embedded platforms that require an Ethernet port but have limited board space. A host processor such as an STM32 or ATmega-class microcontroller can be paired with the LAN9250I/ML when local packet processing and application-level networking are required.
Designers should verify the complete 64-QFN footprint, exposed-pad layout, decoupling requirements, clock source, and host-bus mode against the manufacturer datasheet before layout release. The industrial-temperature ordering code must also be checked against the system enclosure temperature. Because the supplied web evidence does not provide complete electrical limits or detailed pin names, those values should not be inferred from the distributor summaries.
This page combines verified manufacturer and distributor data, practical interface-selection guidance, a same-package comparison, and design cautions that are not consolidated in the short catalog excerpts. It is intended to support sourcing and engineering review while clearly separating confirmed specifications from parameters that still require confirmation in the full Microchip datasheet.
Drop-in alternatifler için LAN9250I/ML — aynı paket, pin-başına uyumlu. PCB yeniden montajı gerektiren farklı paket bileşenleri dışlanmıştır.
Bu Serideki Variantlar
Yedek parça uyumlu olan aynı serideki modeller LAN9250I/ML (aynı form faktörü ve ayağa oturma) — farklı olan Product Type, Package, Host Interface, Ethernet Speed, Integrated PHY.
LAN9250I/PT
✅ YerleştirmeFiyat için iletişime geçin
Veri Şablonunu Görüntüle →LAN9250T/ML
✅ YerleştirmeFiyat için iletişime geçin
Veri Şablonunu Görüntüle →LAN9250/PT
✅ YerleştirmeFiyat için iletişime geçin
Veri Şablonunu Görüntüle →LAN9250TI/PT
✅ Yerleştirme📋 Katalogda Olmayan Referans Alternatifi
LAN9250I/ML Özellikler
| Product Type | 10/100 Ethernet controller with integrated PHY |
| Supported Ethernet Data Rates | 10 Mb/s and 100 Mb/s |
| Integrated Transceivers | 1 Ethernet transceiver |
| Host Interface | 8/16-bit parallel, SPI, and Quad SPI interfaces |
| Paket | 64-QFN, 9 x 9 mm |
| Montaj Türü | Surface mount |
| Ethernet Standard | 10/100 Base-T/TX |
| Host Interrupt | Configurable host interrupt pin |
| Maximum Data Rate | 100 Mb/s |
| PHY Integration | Integrated 10/100 Ethernet PHY |
| Manufacturer Data Sheet | Microchip Technology LAN9250 Data Sheet |
LAN9250I/ML 64-qfn, 9 x 9 mm Pin Yapısı Kılavuzu
LAN9250I/ML (64-qfn, 9 x 9 mm paket) için pin yapısı. Pin numaralandırma, işlevleri ve bağlantı şemaları üretici veri kitapçığında tanımlanmıştır. Doğru ayak ve soldurma kılavuzları için onu referans alın.
Ayrıntılı pin çıkış verisi mevcut değil: LAN9250I/ML.
Aşağıdaki veri sayfası tam pin konfigürasyonu için.
Tipik Uygulamalar
LAN9250I/ML için uygundur 6 uygulamas: Industrial Ethernet Control, Factory Automation Gateway, Embedded Data Acquisition, Building Automation Node, Networked Test and Measurement, Compact Embedded Network Interface.
Industrial Ethernet Control
The Microchip LAN9250I/ML fits industrial Ethernet controllers because it combines a 10/100 Ethernet controller and integrated PHY in one 64-QFN 9 x 9 mm device. It supports 10 Mb/s and 100 Mb/s operation, allowing equipment designers to connect a control processor to a 10/100BASE-T network without a separate PHY. The configurable host interrupt and internal FIFOs help the host receive and transmit frames efficiently. For factory equipment, verify the exact industrial temperature limits and ordering code against the manufacturer datasheet before release.
Önerilen
Factory Automation Gateway
The LAN9250I/ML is suitable for a factory automation gateway that must bridge embedded serial or fieldbus data to an Ethernet backbone. Its integrated 10/100 PHY reduces the external network-interface footprint, while 8/16-bit parallel, SPI, and Quad SPI host options support different processor architectures. At 100 Mb/s, the interface is appropriate for supervisory traffic, configuration exchange, and moderate sensor-data aggregation. Keep Ethernet traces away from noisy motor and switching-regulator paths, and confirm the complete footprint and grounding guidance in the manufacturer datasheet.
Önerilen
Embedded Data Acquisition
The LAN9250I/ML can connect an embedded measurement system to a 10/100BASE-T network while keeping the Ethernet interface local to the instrument. The integrated PHY and support for both 10 Mb/s and 100 Mb/s permit operation on legacy 10 Mb/s infrastructure or faster 100 Mb/s laboratory networks. A host processor can access the controller through an 8/16-bit parallel bus when throughput is important or through SPI/Quad SPI when connector count is constrained. Validate interrupt latency, FIFO sizing, and driver behavior in the target embedded software.
Önerilen
Building Automation Node
The LAN9250I/ML is appropriate for building-automation controllers that need reliable Ethernet connectivity for configuration, status reporting, and remote management. Its 10/100BASE-T capability supports common building networks, while the integrated PHY simplifies the hardware compared with a separate MAC and transceiver. SPI or Quad SPI can reduce the host pin requirement on compact controllers, and the configurable interrupt allows the host to respond to received traffic. Verify the device's specified operating temperature against the enclosure's worst-case temperature.
Önerilen
Networked Test and Measurement
The LAN9250I/ML can provide the network port for an embedded test instrument or measurement controller. Supporting 10 Mb/s and 100 Mb/s allows the product to integrate with older laboratory infrastructure while using 100 Mb/s when the application transfers frequent samples or results. The integrated PHY avoids a separate network transceiver, and parallel host access can support higher packet throughput than a serial connection. Place the Ethernet section according to the manufacturer layout guidance and verify grounding, decoupling, and isolation requirements before high-speed testing.
Önerilen
Compact Embedded Network Interface
The LAN9250I/ML suits compact embedded platforms that need Ethernet without allocating board area to a separate PHY. Its 64-QFN 9 x 9 mm package integrates the 10/100 Ethernet controller and physical layer, while SPI/Quad SPI access reduces host interconnect requirements. This is useful for compact controllers, condition-monitoring nodes, and remote service interfaces that operate on 10/100BASE-T networks. The parallel interface offers another path when sustained packet traffic is high. Final mechanical and electrical validation requires the official 64-QFN land pattern and complete pin information.
Önerilen
Önerilen Ürünler Özeti
Mühendislik referans verileri: LAN9250I/ML — karşılaştırma, tasarım rehberi ve uyumluluk bilgileri.
Seçim Kılavuzu
Alternatiflerle Karşılaştırma
| Parametre | Bu Ürün | LAN9250I/PT | LAN9250T/ML | LAN9250/PT | LAN9250TI/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-QFN (9 x 9 mm) | 64-QFN (9 x 9 mm) | 64-QFN (9 x 9 mm) | 64-QFN (9 x 9 mm) | 64-QFN (9 x 9 mm) |
| Product Type | 10/100 Ethernet controller with integrated PHY | 10/100 Ethernet controller with integrated PHY | 10/100 Ethernet controller with integrated PHY | 10/100 Ethernet controller with integrated PHY | 10/100 Ethernet controller with integrated PHY |
| Supported Data Rates | 10 Mb/s and 100 Mb/s | 10 Mb/s and 100 Mb/s | 10 Mb/s and 100 Mb/s | 10 Mb/s and 100 Mb/s | 10 Mb/s and 100 Mb/s |
| Integrated Transceivers | 1 | 1 | 1 | 1 | 1 |
| Host Interface | 8/16-bit parallel, SPI, and Quad SPI | 8/16-bit parallel, SPI, and Quad SPI | 8/16-bit parallel, SPI, and Quad SPI | 8/16-bit parallel, SPI, and Quad SPI | 8/16-bit parallel, SPI, and Quad SPI |
| Host Interrupt | Configurable | Configurable | Configurable | Configurable | Configurable |
Ana Farklılayıcılar
- Supports both 10 Mb/s and 100 Mb/s Ethernet (karşılaştırma:ENC28J60/SS)
- Integrates the 10/100 PHY with the controller (karşılaştırma:ENC28J60/ML)
- Offers parallel and serial host connectivity (karşılaştırma:ENC28J60/SS)
- Uses a compact 9 x 9 mm surface-mount package (karşılaştırma:ENC28J60/SS)
Tasarım Notları
Use the official Microchip 64-QFN land pattern and exposed-pad recommendation rather than deriving the footprint from the 9 x 9 mm body size. Confirm pin numbering, thermal-pad connection, and paste stencil details against the package drawing. The supplied web excerpts identify the package but do not provide the complete pin table, so release the PCB layout only after cross-checking the manufacturer datasheet and package document.
Place all required bypass capacitors close to the device's supply and ground pins, and follow the manufacturer datasheet for capacitance, voltage rating, and ESR requirements. Separate the Ethernet PHY supply filtering from noisy switching-regulator paths where practical. Because the supplied evidence does not include the operating-voltage range or exact decoupling table, do not select capacitors or calculate current limits until those values are confirmed from the full datasheet.
Route the host interface as a short, continuous path from the processor to the LAN9250I/ML, with series damping implemented according to the supported host-bus timing. For SPI or Quad SPI, keep the clock and data routing compact and account for signal integrity at the maximum supported clock. The parallel and serial host modes should be selected from verified timing parameters, not solely from pin count, because packet traffic can produce frequent interrupts and bursts of register or FIFO access.
Do not treat ENC28J60/SS or ENC28J60/ML as a LAN9250I/ML drop-in replacement. The ENC28J60 is associated with 10 Mb/s Ethernet, while the LAN9250I/ML supports 10/100 Mb/s operation, an integrated 10/100 PHY, and different package and host-interface characteristics. Also verify the LAN9250 suffix codes for temperature grade and package before substitution, since the supplied snippets do not quantify every ordering-code difference.
Implement the Ethernet magnetics, jack, and protection network according to the manufacturer reference design and keep the high-frequency Ethernet section physically separated from motors, relays, switching supplies, and other noisy sources. Provide a clean return path and follow the recommended grounding and shielding arrangement at the connector. The supplied evidence does not contain the reference schematic or EMC limits, so use the official documentation for final isolation, surge, and layout decisions.
Uyumluluk Bilgisi
The supplied product-page and distributor excerpts 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 the industrial ordering code.
