LAN9252T/PT - 2/3-Port EtherCAT Controller | Microchip
部品番号: LAN9252T/PT ✓ 生産中LAN9252T/PT 概要
An EtherCAT device controller, or ESC, is the communications element that connects an EtherCAT slave device to an EtherCAT network. The LAN9252T/PT integrates two Ethernet PHYs and provides the hardware interface required for EtherCAT communication. This integration reduces the number of separate network interface components required in an EtherCAT slave design and provides a defined path between the host processor and the EtherCAT network.
The verified product information identifies the LAN9252T/PT as an Ethernet controller with a 10/100BASE-TX PHY, SPI interface, and 64-TQFP-EP package. The two integrated PHYs each support full-duplex 100BASE-TX operation at 100 Mbps. Because the PHYs support HP Auto-MDIX, system integrators can use either straight-through or crossover cables without manually configuring the physical connections.
The LAN9252 family is positioned for industrial EtherCAT applications where an embedded system needs a dedicated network controller rather than a general-purpose host Ethernet interface. Relevant application categories include EtherCAT slave devices, industrial automation equipment, motion-control systems, and distributed control equipment. The SPI host interface allows an embedded controller to access the EtherCAT controller functions while the integrated PHYs handle the physical Ethernet layer connections.
The TQFP-EP package provides a 64-pin surface-mount footprint and an exposed-pad construction for board-level heat spreading. The exposed pad must be connected to the appropriate ground plane according to the manufacturer land pattern and datasheet recommendations. Designers should preserve the specified placement and routing of Ethernet, power, and signal connections rather than relying on a generic TQFP footprint.
For a new EtherCAT slave design, the critical checks are electrical compatibility, EtherCAT conformance, firmware support, package layout, and the exact operating requirements of the selected companion devices. The LAN9252T/PT is identified as a 1.8 V to 3.3 V device in distributor search data. The manufacturer datasheet should be used as the controlling source for pin electrical characteristics, absolute maximum ratings, PHY behavior, clock requirements, and recommended application circuits.
This page consolidates the verified manufacturer and distributor information for LAN9252T/PT and provides application, comparison, and design guidance. Because the supplied web data confirms only one distinct same-package replacement candidate, the alternatives list is intentionally not padded with unverified or functionally similar parts that would require a different footprint.
ドロップイン代替品: LAN9252T/PT — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: LAN9252T/PT （同一形状・フットプリント） — 相違点: Package, Auto-MDIX, Device Type, Ethernet Interface.
LAN9252/PT
✅ ドロップイン価格はお問い合わせください
データシートを見る →LAN9252T/PT 仕様
| Device Type | 2/3-port EtherCAT device controller (ESC) |
| Ethernet Interface | 10/100BASE-TX |
| Integrated PHY Count | 2 |
| Transceiver Operation | Full-duplex 100BASE-TX |
| Ethernet Data Rate | 100 Mbps |
| Host Interface | SPI |
| Supply Voltage Range | 1.8 V to 3.3 V |
| Auto-MDIX | HP Auto-MDIX |
| Cable Support | Direct-connect or crossover LAN cables |
| パッケージ | 64-TQFP-EP (10 x 10 mm) |
| ピン数 | 64 pins |
| 実装タイプ | Surface mount |
LAN9252T/PT 64-tqfp-ep (10 x 10 mm) ピン配置ガイド
LAN9252T/PT (64-tqfp-ep (10 x 10 mm) パッケージ) のピン配置。 ピン番号、機能、接続図はメーカーのデータシートで定義されています。正確なフットプリントとはんだ付けのガイドラインについては、データシートを参照してください。
詳細なピン配置データはありません: LAN9252T/PT.
詳細は データシート をご参照ください。
主な用途
LAN9252T/PT の用途: 6 件s: Industrial EtherCAT Slave Controller, Motion-Control Equipment, Distributed Control System I/O Module, Factory Automation Gateway, Robotics Control Interface, Embedded Data-Acquisition Controller.
Industrial EtherCAT Slave Controller
The LAN9252T/PT fits an industrial EtherCAT slave because it combines a 2/3-port device-controller role with two integrated 10/100BASE-TX PHYs. Each PHY supports full-duplex 100 Mbps operation, allowing the controller to manage EtherCAT line-network connections without separate Ethernet transceiver ICs. The SPI interface connects the controller to an embedded processor for EtherCAT processing and diagnostics. HP Auto-MDIX also simplifies installation by accepting direct-connect or crossover cables. The 64-TQFP-EP package still requires careful exposed-pad grounding, controlled Ethernet layout, and validation of the final slave's environmental and EtherCAT conformance requirements.
おすすめ
Motion-Control Equipment
The LAN9252T/PT can provide the EtherCAT network interface for motion-control equipment that exchanges synchronized commands and feedback through an embedded processor. Its SPI host interface separates processor-side communication from the two 100BASE-TX network ports, while full-duplex 100 Mbps operation supports the Ethernet traffic expected by 100BASE-TX EtherCAT segments. HP Auto-MDIX reduces cabling constraints during machine installation. For servo drives and motion controllers, engineers should still verify timing margins, interrupt behavior, watchdog requirements, magnetic-component selection, and firmware interoperability with the specific EtherCAT master and slave stack.
おすすめ
Distributed Control System I/O Module
The LAN9252T/PT is appropriate for a distributed I/O module that must connect sensors, actuators, or remote I/O blocks through EtherCAT. The two integrated PHYs support the two physical connections commonly used at an EtherCAT line node, while the SPI interface allows a local microcontroller or application processor to exchange cyclic process data with the EtherCAT controller. Operating from a 1.8 V to 3.3 V supply range supports multiple embedded power architectures. Final implementation should isolate field-network interfaces where required and validate signal-integrity, grounding, surge, and environmental requirements for the deployed I/O enclosure.
おすすめ
Factory Automation Gateway
The LAN9252T/PT can support an EtherCAT gateway or protocol-bridge device by providing a dedicated Ethernet controller beneath a host processor. Dual 100BASE-TX PHYs permit the gateway to participate in an EtherCAT topology, and the SPI interface provides a clear connection to application firmware. HP Auto-MDIX makes field cabling less restrictive in factory environments where installation practices vary. A production gateway must still address industrial EMC requirements, Ethernet isolation or grounding strategy, connector selection, thermal performance, and long-term software support for the selected EtherCAT protocol stack.
おすすめ
Robotics Control Interface
The LAN9252T/PT can serve as the EtherCAT communications interface for industrial robots and robotic cells that coordinate drives, sensors, and safety-related auxiliary equipment. Its integrated full-duplex 100BASE-TX PHYs provide network connectivity, while SPI allows a robot control processor to manage process data without sharing the host Ethernet MAC and physical layer. Auto-MDIX simplifies field connections between network equipment. Because robotics systems can impose strict EMC, isolation, environmental, and functional-safety requirements, designers should confirm those requirements at the system level and select an appropriately qualified controller variant when required.
おすすめ
Embedded Data-Acquisition Controller
The LAN9252T/PT can be used in a data-acquisition controller that distributes synchronized measurements or configuration data through EtherCAT. The two 100BASE-TX PHYs support line-network connectivity, while the SPI host interface provides a compact link to an embedded acquisition processor. Full-duplex operation can support continuous cyclic data exchange, and the 10 x 10 mm TQFP-EP footprint supports compact embedded hardware. Measurement accuracy still depends on the analog front end and isolated power design, while Ethernet compliance, grounding, cable protection, and synchronization accuracy must be validated in the completed instrument.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: LAN9252T/PT — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | LAN9252/PT |
|---|---|---|
| Package | 64-TQFP-EP (10 x 10 mm) | 64-TQFP-EP (10 x 10 mm) |
| Brand | Microchip Technology | Microchip Technology |
| Controller Type | 2/3-port EtherCAT device controller | Ethernet controller / LAN9252 family |
| Ethernet Interface | 10/100BASE-TX | 10/100BASE-TX |
| Ethernet Data Rate | 100 Mbps | 10 Mbps/100 Mbps |
| Host Interface | SPI | SPI |
| Supply Voltage Range | 1.8 V to 3.3 V | 1.8 V to 3.3 V |
| Price Reference as of 2026-10-29 | 5.2491 USD reference price | 5.2491 USD reference price |
主な差別化要因
- Two integrated Ethernet PHYs （vs LAN9252/PT)
- HP Auto-MDIX support （vs LAN9252/PT)
- Compact EtherCAT integration （vs LAN9252/PT)
設計ノート
Follow the Microchip datasheet land pattern exactly for the 64-TQFP-EP package and connect the exposed pad to the designated ground plane. Place input and output decoupling capacitors close to their associated power pins, with short and direct return paths to the ground reference. Because Ethernet PHYs combine sensitive analog signaling with digital control, provide an uninterrupted ground reference under the device and avoid splitting the ground plane unless the reference design explicitly requires it.
Keep the 100BASE-TX differential pairs routed as controlled-impedance, tightly coupled traces with continuous reference planes and minimal stubs. Use the manufacturer-recommended magnetics and termination network, and route Ethernet connections away from switching nodes, clocks, and high-current power paths. Validate the completed layout for differential impedance, return-path continuity, isolation boundaries, and connector-to-PHY routing because generic Ethernet layout guidance does not replace the LAN9252 reference design.
Budget the 1.8 V to 3.3 V supply rails for both the controller and its Ethernet physical-layer implementation, including local bypass capacitance and any external magnetic-component bias. Verify startup sequencing, voltage tolerances, and transient behavior against the manufacturer datasheet. The supplied web excerpts do not provide current consumption, dropout behavior, or absolute maximum ratings, so those values must be obtained from the manufacturer document before finalizing the power tree and protection scheme.
Do not treat every EtherCAT controller with similar protocol support as a physical drop-in replacement. A valid substitution must match the 64-TQFP-EP footprint, exposed-pad requirements, pin functions, supply levels, PHY arrangement, and host-interface expectations. The supplied data confirms LAN9252/PT as the closest candidate, but it does not provide a complete suffix-level electrical comparison, so review the exact Microchip ordering documentation and errata before approving a substitution.
コンプライアンス情報
The supplied verified search data does not contain explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations. These fields remain unknown rather than being inferred from the package or manufacturer.
