LAN9252T/ML - 2/3-Port EtherCAT Controller | Microchip Technology
Teilenummer: LAN9252T/ML ✓ AktivLAN9252T/ML Übersicht
The LAN9252T/ML is used as an EtherCAT device controller in industrial automation systems where a slave device must exchange cyclic process data with a master controller. Its dual integrated PHYs support Ethernet connectivity within EtherCAT networks, while the SPI interface provides a straightforward connection to a host processor or microcontroller. The T/ML ordering suffix identifies the specific package, temperature, and lead-free configuration; the verified distributor listings identify the device as an Ethernet controller with a 10/100 Base-FX/T/TX PHY, SPI interface, and 64-QFN (9 x 9 mm) package.
Key verified characteristics include two integrated Ethernet PHYs, full-duplex 100BASE-TX transceivers, 100 Mbps operation, HP Auto-MDIX support, and external-transceiver-based 100BASE-FX support. These features make the controller appropriate for EtherCAT servo drives, I/O modules, PLC communication interfaces, industrial gateways, and motion-control equipment. The SPI interface also allows the controller to be paired with an embedded microcontroller or application-specific processor for EtherCAT protocol handling.
The LAN9252T/ML is not a general-purpose Ethernet switch and is not a memory IC despite one distributor classification. Its primary function is EtherCAT slave-controller operation. The 64-pin QFN footprint requires careful PCB layout, including high-speed differential routing for the Ethernet PHYs, controlled clock distribution, solid ground-plane continuity, and decoupling close to the device pins. Designers should verify the complete pinout, electrical limits, operating-temperature range, and power requirements against the current Microchip datasheet before release to production.
This product page summarizes verified manufacturer and distributor information, identifies the available same-package drop-in candidates, and provides practical selection and design guidance without inventing electrical values that were not present in the supplied source data.
Drop-in-Alternativen für LAN9252T/ML – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit LAN9252T/ML (gleiche Bauform und Footprint) – abweichend in Package, Host Interface, Auto-MDIX, Device Type, Ethernet Interface.
LAN9252/ML
✅ Drop-InPreis auf Anfrage
Datenblatt ansehen →LAN9252T/PT
✅ Drop-InPreis auf Anfrage
Datenblatt ansehen →LAN9252/PT
✅ Drop-InPreis auf Anfrage
Datenblatt ansehen →LAN9252T/ML
✅ Drop-InPreis auf Anfrage
Datenblatt ansehen →LAN9252/ML
✅ Drop-InPreis auf Anfrage
Datenblatt ansehen →LAN9252T/ML Technische Daten
| Device Type | 2/3-port EtherCAT slave controller |
| Integrated Ethernet PHYs | 2 |
| Ethernet Data Rate | 100 Mbps |
| Copper Ethernet Support | 100BASE-TX |
| Fiber Ethernet Support | 100BASE-FX through an external fiber transceiver |
| Duplex Operation | Full-duplex |
| Host Interface | SPI |
| Auto-MDIX | HP Auto-MDIX supported |
| Gehäuse | 64-QFN (9 x 9 mm) |
| Montageart | Surface mount |
| Anzahl der Pins | 64 |
| Ethernet Interface | 10/100 Ethernet PHY |
| EtherCAT Port Configuration | 2/3-port |
| Cable Support | Direct-connect or crossover LAN cables |
| Ordering Suffix | /ML |
LAN9252T/ML 64-qfn (9 x 9 mm) Pinbelegungsleitfaden
Pinbelegung für LAN9252T/ML (64-qfn (9 x 9 mm)-Gehäuse). Pin-Nummerierung, Funktionen und Anschlussdiagramme sind im Herstellerdatenblatt definiert. Entnehmen Sie diesem den genauen Footprint und Lötrichtlinien.
Keine detaillierten Pinbelegungsdaten verfügbar für LAN9252T/ML.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
LAN9252T/ML ist geeignet für 6 Anwendungs: Industrial EtherCAT Servo Drive, EtherCAT Remote I/O Module, Industrial PLC Communication Interface, Motion Controller and EtherCAT Gateway, Packaging and Machine Automation Controller, Fiber-Ready Industrial Ethernet Equipment.
Industrial EtherCAT Servo Drive
The LAN9252T/ML fits an industrial EtherCAT servo drive that needs deterministic slave communications and integrated copper Ethernet connectivity. Its verified 2/3-port EtherCAT architecture and dual 100BASE-TX PHYs allow the controller to participate in an EtherCAT network at up to 100 Mbps full-duplex operation. The SPI interface connects the EtherCAT controller to a motor-control MCU or DSP, where register access and cyclic process-data exchange are required. Because the controller includes two PHYs, the design can use EtherCAT line topology without requiring a separate Ethernet switch. If fiber is required, the verified data sheet confirms that 100BASE-FX can be added through an external fiber transceiver. The design should still verify timing, power, clock, and thermal limits against the complete Microchip data sheet before production release.
Empfohlen
EtherCAT Remote I/O Module
The LAN9252T/ML is appropriate for a remote industrial I/O module because it combines EtherCAT slave-controller functionality with two integrated Ethernet PHYs. The verified 100 Mbps full-duplex 100BASE-TX capability supports copper-connected EtherCAT modules, while HP Auto-MDIX simplifies installation by allowing direct-connect and crossover cables. A host MCU can use the SPI interface to access EtherCAT registers, map device inputs, and publish outputs. The dual integrated PHYs are particularly useful in line topologies because they reduce the need for additional Ethernet switching hardware. Engineers should design the differential PHY traces according to the Microchip layout guidance and verify isolation, surge, grounding, and cable requirements for the target industrial installation.
Empfohlen
Industrial PLC Communication Interface
The LAN9252T/ML can serve as the EtherCAT interface in a PLC communication module or industrial controller that must exchange process data with a higher-level EtherCAT master. Its 2/3-port EtherCAT architecture, two integrated 100BASE-TX PHYs, and SPI host interface provide a clear division between network communications and the PLC application processor. The verified 100 Mbps full-duplex rate is suited to standard 100BASE-TX industrial Ethernet links, and HP Auto-MDIX removes the need to specify cable straightness during installation. For copper-only systems, the integrated PHYs simplify the board; for fiber links, an external transceiver can provide 100BASE-FX. Before schematic release, engineers must confirm the electrical limits, clocking requirements, pin functions, and thermal performance from the official data sheet.
Empfohlen
Motion Controller and EtherCAT Gateway
The LAN9252T/ML is suitable for a motion-controller gateway or compact industrial automation controller that bridges EtherCAT to another embedded bus. The SPI interface allows a real-time MCU or DSP to manage EtherCAT registers and packet processing, while the integrated PHYs provide direct network connectivity without a discrete Ethernet switch. This architecture can reduce board area in equipment requiring several coordinated drives or I/O nodes. The verified 100BASE-TX and HP Auto-MDIX capabilities simplify copper-network installation, although a gateway that must bridge to fiber can use an external 100BASE-FX transceiver. Proper implementation requires following the manufacturer's differential-pair and reference-plane layout guidance, validating clock jitter and signal integrity, and confirming the controller's power sequencing against the host processor.
Empfohlen
Packaging and Machine Automation Controller
The LAN9252T/ML can be used in packaging machinery, conveyor controls, and other machine-automation systems that use EtherCAT for distributed motion and I/O. Its dual integrated PHYs support the common daisy-chain arrangement used by EtherCAT slaves, reducing the need for separate copper switching components. The SPI connection permits a local embedded controller to handle machine logic, diagnostics, and safety interlocks independently from EtherCAT traffic. With a verified full-duplex 100 Mbps rate, the device matches conventional 100BASE-TX industrial network segments. Installation benefits from HP Auto-MDIX because service technicians can use either straight or crossover cables. Final design approval should include a review of the exact suffix-specific temperature grade, electrical limits, exposed-pad thermal requirements, and any applicable Microchip errata.
Empfohlen
Fiber-Ready Industrial Ethernet Equipment
The LAN9252T/ML can support industrial equipment designed around fiber links by pairing its EtherCAT controller with an external 100BASE-FX transceiver. The verified Microchip data sheet states that the LAN9252 family supports 100BASE-FX through an external fiber transceiver, while its integrated PHYs independently provide 100BASE-TX connectivity at 100 Mbps. This combination allows one controller design to support copper EtherCAT line wiring and an optional fiber path for long-distance or electrically isolated links. The host MCU can connect through SPI, while the physical-layer implementation depends on the selected transceiver and its isolation or media-conversion requirements. Engineering review should cover fiber-launch power, transformer or magnetics selection, impedance continuity, ground strategy, EMI, and every data-sheet pin and timing constraint before layout release.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für LAN9252T/ML – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Select LAN9252/ML when its exact ordering code meets the required temperature, qualification, and commercial criteria, after comparing the official ordering table. Consider LAN9252T/PT or LAN9252/PT only after confirming that their suffix-specific characteristics and production status satisfy the design. No verified cross-brand drop-in equivalent was found, so changing manufacturers would require a separate functional and footprint assessment rather than an assumed direct substitution. For every candidate, verify pin functions, electrical limits, clocking, exposed-pad construction, thermal performance, and current errata.
Vergleich mit Alternativen
| Parameter | Dieses Produkt | LAN9252/ML | LAN9252T/PT | LAN9252/PT |
|---|---|---|---|---|
| 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) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Device Type | 2/3-port EtherCAT slave controller | 2/3-port EtherCAT slave controller | LAN9252 family EtherCAT controller | LAN9252 family EtherCAT controller |
| Integrated Ethernet PHYs | 2 | 2 | 2 | 2 |
| Ethernet Data Rate | 100 Mbps | 100 Mbps | 100 Mbps | 100 Mbps |
| Copper Ethernet | 100BASE-TX, full-duplex | 100BASE-TX, full-duplex | 100BASE-TX family support | 100BASE-TX family support |
| Fiber Ethernet | 100BASE-FX via external transceiver | 100BASE-FX via external transceiver | LAN9252 family support; exact suffix implementation requires datasheet review | LAN9252 family support; exact suffix implementation requires datasheet review |
| Host Interface | SPI | SPI | LAN9252 family SPI interface | LAN9252 family SPI interface |
| Auto-MDIX | HP Auto-MDIX | HP Auto-MDIX | HP Auto-MDIX family support | HP Auto-MDIX family support |
Wichtigste Unterscheidungsmerkmale
- Integrated dual Ethernet PHY implementation (vs. LAN9252/ML)
- EtherCAT connectivity in one controller (vs. LAN9252T/PT)
- Copper and fiber implementation options (vs. LAN9252/PT)
Designhinweise
Route both 100BASE-TX differential pairs as controlled-impedance, tightly coupled traces on a continuous ground plane. Keep PHY-side components and magnetics close to the device, minimize stubs and vias, and follow the exact reference layout in the Microchip LAN9252 data sheet. Differential symmetry and uninterrupted return paths are particularly important because the controller integrates two PHYs, while incorrect spacing or plane transitions can degrade signal integrity and EMC performance.
Decouple the controller's supply pins at the package with placement that satisfies the manufacturer data sheet, using the specified voltage, capacitance, tolerance, and dielectric requirements. Provide clean power to the integrated PHYs and the SPI host domain, and keep switching-regulator and high-current digital paths away from sensitive PHY and clock areas. The supplied data does not provide supply-voltage or current limits, so those values must be obtained from the official data sheet before power-tree design.
Treat the SPI host interface, clocks, reset, and PHY differential signals as separate high-speed domains. Use a continuous reference plane, avoid right-angle routing, and maintain the spacing and via geometry specified by Microchip. Pay particular attention to SPI clock source quality and return-path continuity because the EtherCAT controller handles cyclic traffic between the host and physical network. Validate the final board with the manufacturer's eye-pattern or equivalent signal-integrity procedure.
Do not assume that all LAN9252 ordering suffixes are interchangeable without checking their exact definitions. The target /T/ML part and the related /ML and /PT variants share the verified 64-QFN package family, but the supplied source does not quantify temperature, qualification, or ordering-option differences. Before substitution, compare the ordering-information table, pin table, electrical characteristics, exposed-pad requirements, and any published errata for the exact part number.
Do not classify the LAN9252T/ML as a generic Ethernet switch or memory device merely because a distributor category label is imprecise. The verified manufacturer description identifies it as a 2/3-port EtherCAT slave controller with two integrated 100BASE-TX PHYs and an SPI host interface. Design decisions, software support, and firmware assumptions should follow the EtherCAT controller architecture and Microchip documentation rather than the distributor category taxonomy.
Compliance-Informationen
The verified data identifies the /ML ordering suffix but does not explicitly state RoHS, REACH, AEC-Q100, halogen-free, or conflict-minerals compliance. These fields remain unknown rather than being inferred from the ordering code.
