LAN9253/R4X - 2/3-Port EtherCAT Controller | Microchip Technology
Teilenummer: LAN9253/R4X ✓ AktivLAN9253/R4X Übersicht
The LAN9253 belongs to the EtherCAT device-controller hierarchy, where an ESC implements the EtherCAT slave-side protocol functions and interfaces the application processor or fieldbus controller to the network. Its integrated PHYs provide two 100BASE-TX ports, while the additional MII port can support a third-port configuration when connected to an external PHY. HP Auto-MDIX enables direct-connect and crossover cable support, simplifying industrial cabling and reducing installation errors.
Key features include eight Fieldbus Memory Management Units (FMMUs), eight SyncManagers, integrated dual Ethernet PHYs, configurable process-data interfaces, wake-up functionality, power-up/reset configuration, non-volatile configuration storage, and interrupt generation. The verified product data identifies the LAN9253/R4X as a 2/3-port EtherCAT slave controller with integrated Ethernet PHYs, while the manufacturer documentation also supports 8/16-bit host-bus, GPIO, SPI, and MII configurations.
The controller is intended for industrial automation, motion control, robotics, PLC peripherals, and distributed machine-control systems. Its integrated 100BASE-TX PHYs are useful where deterministic EtherCAT communication and compact board construction are more important than 1 GbE throughput. The 64-QFN package also requires careful exposed-pad thermal design and high-quality PCB layout.
Designers should use the manufacturer LAN9253 Hardware Design Checklist and the device datasheet for pin assignment, power sequencing, magnetic-interface layout, and configuration-strap requirements. Decoupling, impedance-controlled differential pairs, grounding, and exposed-pad thermal management are essential for reliable industrial deployments.
This product page combines verified manufacturer and distributor information, practical design guidance, and a structured comparison framework. It identifies the LAN9253/R4X as a compact EtherCAT controller for embedded industrial Ethernet designs while clearly separating confirmed specifications from parameters that require additional device data.
Drop-in-Alternativen für LAN9253/R4X – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
LAN9253-I/R4X
✅ Drop-InPreis auf Anfrage
Datenblatt ansehen →LAN9253-V/R4X
✅ Drop-InPreis auf Anfrage
Datenblatt ansehen →LAN9253/R4X Technische Daten
| Product Type | 2/3-port EtherCAT device controller |
| Ethernet Configuration | 2/3-port EtherCAT slave controller |
| Integrated Ethernet PHYs | 2 integrated 100BASE-TX PHYs |
| Ethernet Data Rate | 100 Mbps |
| Full-Duplex Support | Yes |
| Auto-MDIX | HP Auto-MDIX |
| Process Data Interfaces | 8/16-bit host bus, GPIO, SPI, and MII |
| Fieldbus Memory Management Units | 8 FMMUs |
| SyncManagers | 8 SyncManagers |
| Core Supply Voltage | 1.8 V to 3.3 V variable voltage |
| Gehäuse | 64-QFN 9x9 mm |
| Montageart | Surface Mount |
| Wake-Up Function | Supported |
| Power-Up/Reset Configuration | Supported |
| Non-Volatile Configuration Storage | Supported |
| Interrupt Generation | Supported |
LAN9253/R4X 64-qfn 9x9 mm Pinbelegungsleitfaden
Pinbelegung für LAN9253/R4X (64-qfn 9x9 mm-Gehäuse). Pin-Nummerierung, Funktionen und Anschlussdiagramme sind im Herstellerdatenblatt definiert. Entnehmen Sie diesem den genauen Footprint und Lötrichtlinien.
Keine detaillierten Pinbelegungsdaten verfügbar für LAN9253/R4X.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
LAN9253/R4X ist geeignet für 6 Anwendungs: Industrial PLC Communication Modules, Servo Drive EtherCAT Interface, Robotics Control Network Interface, Machine Vision EtherCAT Node, Distributed I/O and Fieldbus Gateway, Motion Control EtherCAT Module.
Industrial PLC Communication Modules
The LAN9253/R4X fits EtherCAT slave modules that need deterministic network connectivity without a separate Ethernet PHY for each port. Its two integrated full-duplex 100BASE-TX PHYs support 100 Mbps operation, while the 8/16-bit host bus can connect efficiently to an embedded controller. The device also provides eight FMMUs and eight SyncManagers for organizing cyclic process data and device synchronization. In a PLC communication module, the controller handles the EtherCAT-side protocol and exposes application data to the host MCU or DSP through the selected parallel, SPI, GPIO, or MII interface. The 64-QFN 9x9 mm package helps limit board area, although the exposed pad and high-speed Ethernet routing require careful layout.
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Servo Drive EtherCAT Interface
LAN9253/R4X is suitable for the network interface section of a compact EtherCAT servo drive. The controller's 100BASE-TX ports support a deterministic 100 Mbps EtherCAT link, and the available 8/16-bit host-bus interface can carry cyclic commands and position feedback to a real-time controller. Eight FMMUs and eight SyncManagers help distribute process data among drive functions such as control-loop status, command values, and diagnostics. The integrated PHYs reduce the number of external network components, while HP Auto-MDIX supports direct-connect and crossover cabling. Practical implementation requires careful isolation, magnetic-interface, return-path, and exposed-pad thermal design.
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Robotics Control Network Interface
The LAN9253/R4X can provide the EtherCAT communications engine for a robot controller or distributed robotics node. Dual integrated 100BASE-TX PHYs allow the device to bridge two network segments, and the third-port MII option can extend connectivity through an external PHY. Its selectable 8/16-bit host bus, GPIO, SPI, and MII interfaces allow designers to match the robot's embedded compute architecture. EtherCAT synchronization support is valuable when multiple axes must exchange commands and feedback within a deterministic cycle. For compact robotic modules, the 64-QFN footprint is beneficial, but exposed-pad heat spreading and controlled-impedance differential routing remain essential.
Empfohlen
Machine Vision EtherCAT Node
LAN9253/R4X suits an EtherCAT-connected machine-vision node that exchanges commands and results over a deterministic industrial network. Two integrated full-duplex 100BASE-TX PHYs provide network ports at 100 Mbps, and the parallel host interface can connect a vision processor or embedded controller without requiring a separate Ethernet MAC implementation. Eight SyncManagers support structured process-data exchange, while eight FMMUs help map input and output areas for device commands and status. The controller does not perform image processing itself; instead, it provides a reliable EtherCAT attachment point. Designers should separate analog, image-sensor, and high-speed digital circuitry from the Ethernet magnetic interface while preserving a low-impedance ground and power structure.
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Distributed I/O and Fieldbus Gateway
The LAN9253/R4X is well suited to distributed I/O gateways that translate an EtherCAT network into local sensor and actuator interfaces. Its 8/16-bit host-bus option supports efficient access to a microcontroller's GPIO or external peripheral bus, while GPIO, SPI, and MII provide alternative processor architectures. The two integrated PHYs enable line redundancy or network segmentation depending on the topology, and HP Auto-MDIX simplifies field cabling. Eight FMMUs and eight SyncManagers provide resources for grouping cyclic process data. A practical gateway should validate the exact PDI configuration, synchronization behavior, and electrical isolation strategy against the LAN9253 datasheet and hardware checklist.
Empfohlen
Motion Control EtherCAT Module
LAN9253/R4X can act as the EtherCAT communications companion to a real-time motion-control processor in a compact multi-axis module. The controller's full-duplex 100BASE-TX ports support a deterministic 100 Mbps EtherCAT network, while its 8/16-bit parallel host interface offers a direct path for cyclic command and feedback data. Eight SyncManagers help synchronize motion commands, actual-position data, and diagnostics across the EtherCAT network. Because the LAN9253/R4X handles communications rather than motor control, designers still need a real-time MCU or DSP, appropriate gate drivers, and measurement circuitry. The key integration risk is ensuring host-bus timing and interrupt service latency meet the selected EtherCAT cycle.
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Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für LAN9253/R4X – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | LAN9253-I/R4X | LAN9253-V/R4X |
|---|---|---|---|
| Package | 64-QFN 9x9 mm | 64-QFN 9x9 mm - same | 64-QFN 9x9 mm - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Controller Type | 2/3-port EtherCAT slave controller | 2/3-port EtherCAT slave controller | 2/3-port EtherCAT slave controller |
| Integrated PHYs | 2 integrated 100BASE-TX PHYs | 2 integrated Ethernet PHYs | 2 integrated Ethernet PHYs |
| Ethernet Data Rate | 100 Mbps | 100 Mbps | 100 Mbps |
| Process Data Interfaces | 8/16-bit host bus, GPIO, SPI, and MII | 8/16-bit host bus, GPIO, SPI, and MII | 8/16-bit host bus, GPIO, SPI, and MII |
| FMMUs | 8 | 8 | 8 |
| SyncManagers | 8 | 8 | 8 |
| Ordering Grade | Standard R4X grade | I grade | V grade |
Wichtigste Unterscheidungsmerkmale
- Integrated dual 100BASE-TX PHYs (vs. LAN9253-I/R4X)
- Multiple process-data interface options (vs. LAN9253-V/R4X)
- Eight FMMUs and eight SyncManagers (vs. LAN9253-I/R4X)
Designhinweise
Use the manufacturer LAN9253 Hardware Design Checklist as the layout baseline. Place all required decoupling capacitors close to their associated power pins, provide a low-impedance ground reference, and route the 100BASE-TX differential pairs with controlled impedance and minimal vias. Confirm the magnetic-interface component layout and reference-design constraints before releasing the PCB.
The 64-QFN 9x9 mm device includes an exposed thermal pad. Provide a solderable, unobstructed copper pad and thermal vias according to the manufacturer land pattern, then verify temperature rise using the actual board construction and enclosure. Estimated: no thermal calculation is provided because the verified data does not include junction-to-ambient thermal resistance or maximum power dissipation.
Review the configuration straps, clock requirements, interrupt routing, host-bus timing, and MII connection before final placement. Keep noisy or switching-converter paths away from the PHY and clock circuitry. When the third MII port is used, preserve the timing budget defined by the LAN9253 documentation and validate the external PHY interface with signal-integrity measurements.
Compliance-Informationen
The supplied verified snippets do not explicitly state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status for LAN9253/R4X. These fields remain unknown rather than being inferred.
