LAN9253T-V/R4X 3-Port EtherCAT Controller | Microchip
MPN: LAN9253T-V/R4X ✓ نشطLAN9253T-V/R4X نظرة عامة
An EtherCAT slave controller, or ESC, is the real-time Ethernet interface that manages distributed device I/O, process-data communication, synchronization, and diagnostic information within an EtherCAT segment. The LAN9253 belongs to the EtherCAT device-controller category and combines the communication controller, dual Ethernet physical layers, host-interface logic, and synchronization resources in one integrated circuit. This integration reduces board complexity compared with a discrete Ethernet implementation and supports direct connection to 8-bit, 16-bit, or 32-bit embedded controllers.
The two integrated PHYs provide independent full-duplex 100BASE-TX connections, while HP Auto-MDIX allows either straight-through or crossover cabling. Eight FMMUs provide eight dedicated process-data channels for EtherCAT communication, and eight SyncManagers organize cyclic and non-cyclic data exchange. These resources make the controller suitable for gateways, I/O modules, motion-control equipment, and compact industrial EtherCAT nodes.
The LAN9253T-V/R4X accepts a 1.8 V to 3.3 V variable-voltage operating range, allowing it to operate alongside modern embedded processors using multiple supply domains. Its 64-lead square QFN package has a 9 x 9 mm footprint. The -V ordering suffix and R4X package code identify the exact ordering configuration and must be retained when comparing this part with other LAN9253 variants.
Typical applications include EtherCAT I/O modules, industrial communication gateways, servo-drive interfaces, embedded controller interfaces, and factory-automation equipment. The LAN9253 product family is particularly relevant where two Ethernet ports are needed to form a line or ring topology without adding external PHYs. The integrated 100 Mbps PHYs simplify the physical Ethernet layer while the ESC resources handle EtherCAT-specific data movement.
A robust design must follow the manufacturer’s pin-description table, power-supply recommendations, and reference layout. Place decoupling capacitors close to the relevant supply pins, route differential Ethernet pairs as controlled-impedance pairs, and provide the external magnetics and connector structure required by the chosen network interface. Confirm the exposed-pad connection and reflow requirements against the manufacturer datasheet before releasing the PCB footprint.
This product page consolidates the confirmed LAN9253T-V/R4X capabilities, ordering identifiers, package information, and same-family alternatives into a design-oriented reference. It also distinguishes verified drop-in candidates from unsupported substitutions and highlights the interface, synchronization, and layout decisions that matter most when creating a production EtherCAT slave design.
بدائل مباشرة لـ LAN9253T-V/R4X — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع LAN9253T-V/R4X (نفس عامل الشكل والبصمة) — يختلف في Package, Device Type, Ethernet Data Rate, SyncManagers.
LAN9253T/R4X
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←LAN9253T-I/R4X
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←LAN9253-V/R4X
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←LAN9253T-V/R4X المواصفات
| Product Type | 2/3-port EtherCAT slave controller |
| EtherCAT Port Count | 2/3 ports |
| Integrated Ethernet PHY Count | 2 PHYs |
| Ethernet Standard | 100BASE-TX |
| Ethernet Data Rate | 100 Mbps |
| Duplex Mode | Full duplex |
| Auto-MDIX Support | HP Auto-MDIX |
| Fieldbus Memory Management Units | 8 FMMUs |
| SyncManagers | 8 SyncManagers |
| Host Interface Support | 8-bit and 16-bit embedded controllers; 32-bit embedded controllers with an 8/16-bit bus |
| Operating Voltage Range | 1.8 V to 3.3 V variable voltage |
| Minimum Operating Temperature | -40 C |
| العلبة | 64-QFN (HVQCCN), 9 x 9 mm |
| Terminal Count | 64 terminals |
| نوع التركيب | Surface mount |
| Order Code | LAN9253T-V/R4X |
دليل تكوين أطراف LAN9253T-V/R4X 64-qfn (hvqccn), 9 x 9 mm
تكوين الأطراف لـ LAN9253T-V/R4X (حزمة 64-qfn (hvqccn), 9 x 9 mm). يتم تعريف ترقيم الأطراف والوظائف ومخططات التوصيل في ورقة البيانات الفنية من الشركة المصنعة. راجعها للحصول على البصمة الدقيقة وإرشادات اللحام.
لا تتوفر بيانات مفصلة لمخطط التوصيلات لـ LAN9253T-V/R4X.
راجع ورقة البيانات للحصول على تكوين الأطراف الكامل.
التطبيقات النموذجية
LAN9253T-V/R4X مناسب لـ 6 التطبيقs: EtherCAT Industrial I/O Module, Industrial Ethernet Gateway, Servo and Motion-Control Interface, Embedded Controller Interface, Factory-Automation Network Node, Real-Time Data Acquisition Node.
EtherCAT Industrial I/O Module
The LAN9253T-V/R4X fits a compact EtherCAT I/O module because it combines two integrated 100BASE-TX PHYs, eight FMMUs, and eight SyncManagers in one 64-QFN device. The two ports allow an I/O node to bridge upstream and downstream EtherCAT segments without external PHY components, while eight FMMUs provide separate process-data channels. The 1.8 V to 3.3 V operating range supports integration with common embedded-controller supply domains. Designers should preserve the manufacturer’s exposed-pad and decoupling layout, provide suitable Ethernet magnetic isolation or coupling, and validate conducted and radiated emissions at the finished-module level.
موصى به
Industrial Ethernet Gateway
A protocol-conversion gateway can use the LAN9253T-V/R4X as its EtherCAT-facing controller while another embedded processor handles the upper protocol. Two integrated full-duplex 100 Mbps PHYs reduce the physical-layer component count, and HP Auto-MDIX supports both straight-through and crossover cables in field installations. Eight FMMUs and eight SyncManagers provide structured channels for cyclic process data and synchronization. The controller’s 9 x 9 mm 64-QFN package supports compact gateway hardware, but differential routing, magnetics, isolation strategy, and power sequencing remain critical to reliable Ethernet operation.
موصى به
Servo and Motion-Control Interface
The LAN9253T-V/R4X is appropriate for compact servo or motion-control nodes that need deterministic cyclic communication and two Ethernet ports. Eight SyncManagers can organize real-time and control data, while the FMMU channels support dedicated process-data movement. Each integrated PHY operates full duplex at 100 Mbps and supports HP Auto-MDIX, which helps simplify service connections. For motor-control designs, keep the EtherCAT circuitry spatially separated from high-current switching stages, use the manufacturer’s recommended reference layout, and evaluate jitter and synchronization behavior at the complete system level.
موصى به
Embedded Controller Interface
The LAN9253T-V/R4X can interface with 8-bit and 16-bit embedded controllers and with suitable 32-bit embedded controllers using an 8/16-bit bus. This flexibility makes it useful in custom EtherCAT nodes where a higher-performance host is unnecessary or a simple microcontroller must handle local I/O. Its 1.8 V to 3.3 V variable-voltage range can simplify integration with modern processor rails, while the integrated PHYs eliminate two external Ethernet transceiver sections. Confirm host-bus timing, interrupt behavior, address configuration, and synchronization features in the manufacturer datasheet before final firmware and PCB sign-off.
موصى به
Factory-Automation Network Node
The LAN9253T-V/R4X is suitable for factory-automation nodes that need EtherCAT connectivity without a discrete Ethernet MAC and dual external PHYs. Its two full-duplex 100BASE-TX ports support line, ring, and branch arrangements, while HP Auto-MDIX reduces cabling constraints. The 64-QFN 9 x 9 mm package conserves board area in compact control cabinets. The -V ordering option should be checked against the cabinet’s ambient-temperature range. Ethernet magnetics, surge protection, isolation, return paths, and chassis grounding remain system-level requirements rather than functions integrated into the controller.
موصى به
Real-Time Data Acquisition Node
The LAN9253T-V/R4X can provide an EtherCAT acquisition node with multiple cyclic data channels and a synchronized network interface. Eight FMMUs and eight SyncManagers help organize measurement, command, and status information exchanged over the bus, while the two integrated PHYs support redundant network paths. The 100 Mbps full-duplex Ethernet rate matches the confirmed family capability. Keep sensitive analog circuitry physically separated from Ethernet and switching circuitry, use a controlled reference layout for the differential pairs, and evaluate trigger latency and synchronization accuracy using the complete acquisition chain.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ LAN9253T-V/R4X — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | LAN9253T/R4X | LAN9253T-I/R4X | LAN9253-V/R4X |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-QFN (HVQCCN), 9 x 9 mm | 64-QFN R4X package | 64-QFN R4X package | 64-QFN R4X package |
| Product Type | EtherCAT slave controller | EtherCAT slave controller | EtherCAT slave controller | EtherCAT slave controller |
| Integrated Ethernet PHYs | 2 PHYs | 2 PHYs | 2 PHYs | 2 PHYs |
| Ethernet Data Rate | 100 Mbps | 100 Mbps | 100 Mbps | 100 Mbps |
| FMMUs | 8 FMMUs | 8 FMMUs | 8 FMMUs | 8 FMMUs |
| SyncManagers | 8 SyncManagers | 8 SyncManagers | 8 SyncManagers | 8 SyncManagers |
| Temperature-Grade Suffix | -V | Base T suffix | -I suffix | -V suffix without T |
أبرز الفروقات
- Two integrated Ethernet PHYs reduce external interface hardware (مقابلLAN9253T/R4X)
- Dedicated EtherCAT channel resources (مقابلLAN9253T-I/R4X)
- Compact integration with full port support (مقابلLAN9253-V/R4X)
ملاحظات التصميم
Use the manufacturer’s LAN9253 reference layout as the authority for the 64-QFN footprint, exposed-pad connection, supply pins, and test points. Place local decoupling capacitance directly at the relevant supply pins and keep the Ethernet PHY and controller areas separated from switching nodes or high-current return paths. Differential Ethernet pairs should remain continuously referenced to an uninterrupted ground plane, with connector and magnetics placement coordinated to minimize loop area.
Treat each Ethernet pair as a controlled-impedance differential connection rather than two independent traces. Match pair geometry through connectors and magnetics, minimize stubs and test-point discontinuities, and provide a continuous reference plane beneath the route. HP Auto-MDIX simplifies cable polarity handling, but it does not compensate for incorrect trace impedance, return-path discontinuities, poor magnetics, or an unsuitable protection network.
The confirmed 1.8 V to 3.3 V variable-voltage range supports integration with common embedded supply domains, but each rail still needs local decoupling and careful sequencing. Confirm capacitor voltage ratings, DC bias characteristics, and ESR requirements against the manufacturer recommendation. Avoid placing the controller’s supply return beneath isolation barriers or split power planes, because shared return paths can introduce noise or fault-current coupling.
Do not treat a similar LAN9253 ordering code as automatically interchangeable. The -V, -I, base T, and non-T suffixes indicate ordering or temperature-grade distinctions that must match the product’s operating range and qualification requirements. Before substitution, compare the complete ordering-information row, pin table, electrical characteristics, package drawing, tape orientation, and exposed-pad requirements. Also confirm that LAN9252 and other family members are not mistakenly treated as pin-to-pin equivalents.
معلومات الامتثال
Compliance declarations for the exact LAN9253T-V/R4X ordering code were not identified in the product listings reviewed. Confirm RoHS, REACH, halogen-free, and conflict-minerals status in the manufacturer product documentation before release.
