Microchip Technology

LAN9253T-I/R4X 3-Port EtherCAT Controller | Microchip

부품 번호: LAN9253T-I/R4X ✓ 활성
1.8 V to 3.3 V Vdss 64-pin QFN with exposed pad Package 100 Mbps Speed 8 FMMUs Memory
MOQ: 1 |

LAN9253T-I/R4X 개요

Microchip Technology LAN9253T-I/R4X is a 3-port EtherCAT Slave Controller with two integrated 100BASE-TX Ethernet PHYs, 8 Fieldbus Memory Management Units, and 8 SyncManagers in a 64-pin QFN package measuring 9 x 9 mm. The controller supports 100 Mbps full-duplex Ethernet operation, HP Auto-MDIX, and a 1.8 V to 3.3 V variable core supply range.

An EtherCAT Slave Controller, or ESC, is a semiconductor that manages cyclic industrial Ethernet communication between a controller and fieldbus devices. The LAN9253 combines EtherCAT protocol processing, dual Ethernet physical layers, host-interface logic, and synchronization resources in one device. This integration reduces component count in servo drives, I/O modules, robotics controllers, and other EtherCAT slave equipment while supporting a compact 9 x 9 mm industrial package.

The principal features include support for two or three EtherCAT ports, two integrated Ethernet PHYs with full-duplex 100BASE-TX operation, HP Auto-MDIX for direct and crossover cable connections, 8 Fieldbus Memory Management Units, and 8 SyncManagers. The integrated PHYs connect the device to an EtherCAT network without requiring separate Ethernet transceiver components. Eight FMMUs organize process-data and mailbox transfer, while the eight SyncManagers support coordinated exchange of outputs, inputs, and synchronization events.

The LAN9253 family is designed for embedded EtherCAT devices using 8-bit or 16-bit host buses, with additional support for 32-bit embedded controllers through its 8-bit or 16-bit bus interface. Its integrated network interface and protocol resources make it a practical single-chip solution for compact EtherCAT nodes. The operating architecture allows industrial network traffic to be handled alongside deterministic cyclic data exchange and distributed clock synchronization.

Typical applications include EtherCAT servo amplifiers, distributed I/O modules, motion-control equipment, industrial robotics, machine vision, PLC expansion modules, and embedded control systems. The two integrated PHYs are especially useful where a slave device requires one upstream network connection and one downstream daisy-chain port. Systems requiring additional ports can connect the external-port resources to compatible Ethernet interface hardware according to the manufacturer hardware design guidance.

PCB implementation requires careful attention to the exposed thermal pad, mixed-signal supply distribution, high-speed Ethernet differential routing, and the host-bus layout. Keep the Ethernet pairs impedance-controlled and routed as short as practical, provide the required bypass capacitance at the supply pins, and use solid ground-plane continuity beneath the QFN. The exposed pad must be connected to the appropriate ground plane and thermal-via structure specified by the manufacturer design guidance.

This page consolidates the confirmed LAN9253 capabilities, practical PCB considerations, sourcing guidance, and same-footprint family alternatives. For a new PCB, treat the manufacturer datasheet and reference design as the controlling sources for pin assignment, electrical limits, layout geometry, and complete operating conditions.

드롭인 대체품: LAN9253T-I/R4X — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.

이 시리즈의 변형

다음과 드롭인 호환되는 동일 시리즈 모델: LAN9253T-I/R4X (동일 폼 팩터 및 풋프린트) — 차이점: Package, SyncManagers, Auto-MDIX, Device Type, Integrated Ethernet PHYs.

Microchip Technology
Package: 64-QFN with exposed pad, 9 mm x 9 mm
Auto-MDIX: HP Auto-MDIX supported
Device Type: 2/3-port EtherCAT slave controller
Microchip Technology
Package: 64-QFN 9x9 mm
Auto-MDIX: HP Auto-MDIX
Integrated Ethernet PHYs: 2 integrated 100BASE-TX PHYs
Microchip Technology
Package: 64-QFN (9 x 9 mm) with exposed pad
SyncManagers: 8
Auto-MDIX: HP Auto-MDIX supported

LAN9253-I/R4X

✅ 드롭인
Microchip Technology
📦 64-pin QFN (9 x 9 mm)
2/3-port EtherCAT slave controller · 3 ports · 2 PHYs · 100BASE-TX · 100 Mbps · Full duplex · HP Auto-MDIX supported · 8/16-bit parallel host bus

가격 문의

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LAN9253T/R4X

✅ 드롭인
Microchip Technology
📦 64-pin QFN (9 x 9 mm)
2/3-port EtherCAT Slave Controller (ESC) with integrated PHYs · 2 x 100BASE-TX full-duplex (3 ports maximum) · 100 Mbps per port · HP Auto-MDIX supported · 8 Fieldbus Memory Management Units · 8 · Parallel 8-bit / 16-bit bus for 8-bit and 16-bit embedded controllers; 8/16-bit bus for 32-bit embedded controllers · 1.8 V to 3.3 V variable voltage

가격 문의

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LAN9253/R4X

✅ 드롭인
Microchip Technology
📦 64-pin QFN (9 x 9 mm)
2/3-port EtherCAT device controller · 2/3-port EtherCAT slave controller · 2 integrated 100BASE-TX PHYs · 100 Mbps · Yes · HP Auto-MDIX · 8/16-bit host bus, GPIO, SPI, and MII · 8 FMMUs

가격 문의

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LAN9253T-I/R4X 사양

Product Type EtherCAT Slave Controller (ESC)
Supported EtherCAT Port Configuration 2/3 ports
Integrated Ethernet PHY Count 2 PHYs
Ethernet Speed 100 Mbps
Ethernet Physical Layer 100BASE-TX
Ethernet Duplex Full duplex
Auto-MDIX Support HP Auto-MDIX
Fieldbus Memory Management Units 8 FMMUs
SyncManagers 8 SyncManagers
Variable Core Supply Voltage 1.8 V to 3.3 V
Host Interface Bus Width 8-bit or 16-bit
32-Bit Embedded Controller Support Supported through 8-bit or 16-bit bus
Package Type 64-pin QFN with exposed pad
Package Dimensions 9 x 9 mm
실장 유형 Surface mount
Packaging Format Tape and reel

LAN9253T-I/R4X 9 x 9 mm 핀 구성 가이드

LAN9253T-I/R4X(9 x 9 mm 패키지)의 핀 구성입니다. 핀 번호, 기능, 연결 다이어그램은 제조사 데이터시트에 정의되어 있습니다. 정확한 풋프린트와 솔더링 지침은 해당 문서를 참조하십시오.

LAN9253T-I/R4X의 9 x 9 mm 패키지 핀아웃 다이어그램

다음에 대한 상세 핀아웃 데이터 없음: LAN9253T-I/R4X.

다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.

일반적인 애플리케이션

LAN9253T-I/R4X 적합 용도: 6 애플리케이션s: Industrial EtherCAT I/O Modules, Servo Drive EtherCAT Interfaces, Industrial Robotics Controllers, Motion-Control Equipment, Machine Vision and Inspection Systems, PLC and Embedded Automation Nodes.

🏭

Industrial EtherCAT I/O Modules

The LAN9253T-I/R4X is well suited to distributed I/O modules because it integrates two 100BASE-TX PHYs with 8 Fieldbus Memory Management Units and 8 SyncManagers in a 64-pin 9 x 9 mm QFN. One integrated PHY can connect to the upstream EtherCAT segment while the other supports downstream daisy-chain wiring. The 8-bit or 16-bit host bus allows a compact microcontroller to manage process data without requiring a separate Ethernet transceiver. HP Auto-MDIX improves installation flexibility by accommodating direct or crossover connections. Before layout release, confirm the module's isolation strategy, EMC requirements, environmental limits, and thermal design against the complete manufacturer documentation.

⚡

Servo Drive EtherCAT Interfaces

The LAN9253T-I/R4X provides the EtherCAT communication engine required in a compact servo-drive controller. Its two integrated full-duplex 100 Mbps PHYs support an upstream controller link and a downstream port in a daisy-chain topology, while 8 SyncManagers help organize cyclic command and status exchanges. The 1.8 V to 3.3 V variable core supply range supports integration into mixed-voltage control hardware. Its 8-bit or 16-bit host interface can connect to a digital signal controller or real-time microcontroller. Design the exposed-pad thermal path and differential Ethernet routing carefully, and verify that the selected EtherCAT variant matches the servo drive's electrical and qualification requirements.

🤖

Industrial Robotics Controllers

A robotic controller can use the LAN9253T-I/R4X to add deterministic EtherCAT connectivity without a discrete network transceiver. The device's 2/3-port architecture, dual integrated 100BASE-TX PHYs, and HP Auto-MDIX capability are useful in cabinet-mounted automation equipment where fieldbus and motor-control subsystems share a controller. Eight FMMUs and eight SyncManagers support organized cyclic communication between the EtherCAT master and local drive or I/O functions. The compact QFN64 package helps conserve board area, but its exposed pad and high-speed Ethernet nets still require deliberate thermal and layout planning. Mechanical vibration, temperature range, EMC performance, and functional safety should be evaluated at the complete product level.

⚙️

Motion-Control Equipment

The LAN9253T-I/R4X is appropriate for motion-control equipment requiring an embedded EtherCAT slave port and deterministic process-data exchange. Its two full-duplex 100BASE-TX PHYs support EtherCAT line topology, while the 8-bit or 16-bit interface allows motion-control logic to exchange position, velocity, and control commands efficiently. The 64-pin 9 x 9 mm QFN permits integration into space-constrained drive electronics. Designers should preserve controlled Ethernet impedance, provide local supply decoupling, and connect the exposed thermal pad to an effective ground and via structure. The device's EtherCAT protocol resources do not replace application-specific functional safety, braking, or safe-torque-off functions, which must be implemented at the system level.

📷

Machine Vision and Inspection Systems

Machine-vision controllers and inspection equipment can use the LAN9253T-I/R4X as a compact EtherCAT interface for synchronizing cameras, encoders, sensors, and motion axes. Eight SyncManagers support structured cyclic exchanges, and the two integrated PHYs enable upstream and downstream network connections without separate 100BASE-TX devices. The 8-bit or 16-bit host interface supports embedded processors that already manage image processing and machine control. HP Auto-MDIX simplifies installation in systems where cable orientation may vary. Layout should separate the Ethernet pairs from sensitive sensor and image-processing circuitry, while the exposed pad requires adequate thermal continuity. Confirm synchronization timing, cable reach, and environmental requirements before production release.

🖥️

PLC and Embedded Automation Nodes

The LAN9253T-I/R4X can add EtherCAT slave functionality to compact PLC expansion modules and embedded automation nodes. Its integrated dual-PHY design reduces the board area needed for ordinary Ethernet connections, while 8 FMMUs and 8 SyncManagers provide configurable communication resources for distributed I/O. The 8-bit or 16-bit bus can connect to an embedded controller without requiring a wide host data path. The 1.8 V to 3.3 V variable core supply supports integration with modern embedded logic, while the industrial ordering code suits equipment where its specified operating and qualification conditions apply. Verify power sequencing, Ethernet magnetics or isolation, EMC resilience, and watchdog behavior in the final control system.

What is the LAN9253T-I/R4X?
The LAN9253T-I/R4X is a Microchip Technology 3-port EtherCAT Slave Controller with two integrated 100BASE-TX Ethernet PHYs. It provides 8 Fieldbus Memory Management Units, 8 SyncManagers, HP Auto-MDIX, and an 8-bit or 16-bit host interface in a 64-pin 9 x 9 mm QFN package. According to the Microchip LAN9253 product page, each PHY supports full-duplex 100 Mbps operation and direct or crossover cable connections.
What are the key specifications of LAN9253T-I/R4X that engineers should know?
The LAN9253T-I/R4X integrates two 100BASE-TX PHYs into a 2/3-port EtherCAT Slave Controller. Confirmed features include 8 FMMUs, 8 SyncManagers, HP Auto-MDIX, full-duplex 100 Mbps operation, a 1.8 V to 3.3 V variable core supply, and an 8-bit or 16-bit host bus. The device is packaged in a 64-pin QFN with an exposed pad measuring 9 x 9 mm.
Where can I download the LAN9253T-I/R4X datasheet PDF?
The official LAN9253T-I/R4X documentation starts at the Microchip LAN9253 product page at https://www.microchip.com/en-us/product/LAN9253. From that page, use the manufacturer datasheet and resource links to obtain the complete PDF, including the pin description table, electrical characteristics, timing diagrams, application circuit, and layout recommendations. The product page is the appropriate source because it links the current revision associated with the LAN9253 family.
Where can I find the LAN9253T-I/R4X pinout?
The LAN9253T-I/R4X pinout is documented in the manufacturer LAN9253 datasheet on the official product page at https://www.microchip.com/en-us/product/LAN9253. Use the datasheet pin-description table and package drawing to assign signals and the exposed pad. The component uses a 64-pin QFN package, but individual signal names and exposed-pad connectivity must not be inferred from generic QFN layouts.
Is LAN9253T-I/R4X suitable for industrial EtherCAT I/O modules?
Yes, the LAN9253T-I/R4X is suitable for compact industrial EtherCAT I/O modules because it combines protocol processing, two integrated Ethernet PHYs, 8 FMMUs, and 8 SyncManagers in one 64-pin QFN. Its 100 Mbps full-duplex Ethernet operation and HP Auto-MDIX support suit fieldbus networks using direct or crossover connections. Final suitability still depends on the module's isolation, environmental, and functional-safety requirements.
How many Ethernet ports and PHYs does the LAN9253T-I/R4X have?
The LAN9253T-I/R4X supports a 2/3-port EtherCAT configuration and contains two integrated Ethernet PHYs. Each PHY provides a full-duplex 100BASE-TX transceiver operating at 100 Mbps. According to the Microchip product information, HP Auto-MDIX is supported, allowing designers to use either direct-connect or crossover Ethernet cables without manually reconfiguring the PHY.
What interface can an embedded controller use with the LAN9253T-I/R4X?
The LAN9253T-I/R4X provides an 8-bit or 16-bit host bus interface for embedded controllers. The same interface can be used by 32-bit embedded controllers through an 8-bit or 16-bit bus connection. This allows the EtherCAT Slave Controller to coexist with microcontrollers, DSPs, and other embedded processors without requiring a parallel 32-bit host interface.
What is the difference between LAN9253T-I/R4X and LAN9253-I/R4X?
Both devices belong to the Microchip LAN9253 family and use the same 64-pin 9 x 9 mm QFN format, but their ordering codes indicate different qualification or commercial variants. The LAN9253T-I/R4X is identified as an industrial-temperature part in the product designation, while LAN9253-I/R4X is a distinct ordering code. Check the manufacturer ordering table before substituting because suffix, grade, and qualification requirements can differ.
Can LAN9253-I/R4X replace LAN9253T-I/R4X on the same PCB?
The LAN9253-I/R4X is the closest confirmed same-family alternative and is listed in a 64-pin 9 x 9 mm QFN package, matching the target's mechanical footprint. Electrical and qualification equivalence must still be checked against the manufacturer ordering information, especially the temperature-grade suffix. Treat it as a qualified drop-in candidate only after confirming that every electrical limit, marking, and production requirement remains acceptable.
When should I choose LAN9253T-I/R4X over another LAN9253 ordering code?
Choose LAN9253T-I/R4X when the design requires the explicitly identified Microchip industrial ordering variant with two integrated 100BASE-TX PHYs, 8 FMMUs, and 8 SyncManagers in a 64-pin QFN. Choose another confirmed LAN9253 code only when its temperature grade, qualification status, packing format, or commercial conditions meet the product requirements. The exact ordering-table entry should control procurement decisions.
What can replace the LAN9253T-I/R4X?
The confirmed same-footprint replacements are LAN9253-I/R4X, LAN9253T/R4X, and LAN9253/R4X, all identified as LAN9253-family devices in a 64-pin QFN arrangement. They differ in ordering-code characteristics rather than the published EtherCAT feature set. The LAN9253T-I/R4X should remain the preferred selection when its industrial qualification and exact suffix requirements are mandatory.
Is the LAN9253T-I/R4X the same as LAN9253T/R4X?
No, they are separate Microchip ordering codes within the LAN9253 family. Both are associated with the same EtherCAT controller family and 64-pin QFN package, but the I in the target ordering code denotes an additional device variant. Verify the manufacturer's ordering information for temperature grade, qualification, packing, and marking before treating one as a replacement for the other.
Is there a Microchip drop-in equivalent for the LAN9253T-I/R4X?
Microchip provides the closest confirmed drop-in family options through the LAN9253-I/R4X, LAN9253T/R4X, and LAN9253/R4X ordering codes. No cross-manufacturer part with documented pin-to-pin compatibility was identified in the available cross-reference results. For an industrial design, compare the exact ordering table and qualification requirements before approving a substitution.
Where can I buy the LAN9253T-I/R4X online?
Use the Request a Quote form on this XAIPART page to request the LAN9253T-I/R4X, current commercial terms, and production availability. The form is the appropriate channel for exact-MPN sourcing because order codes, packing quantities, and lead time can vary. The manufacturer product page remains the authoritative source for technical documentation and lifecycle information.
What is the price and lead time of the LAN9253T-I/R4X?
Use the Request a Quote form on this page to obtain the current LAN9253T-I/R4X commercial terms, availability, and lead time. Price and lead time depend on order quantity, exact suffix, packing method, and current market conditions, so a static figure could become inaccurate. Technical confirmation should use the Microchip LAN9253 product page and datasheet.

엔지니어링 참조 데이터: LAN9253T-I/R4X — 비교, 설계 지침 및 규정 준수 정보.

선택 가이드

Choose the LAN9253T-I/R4X when the design requires the exact Microchip ordering code with a 2/3-port EtherCAT Slave Controller, two integrated 100BASE-TX PHYs, 8 FMMUs, 8 SyncManagers, and the industrial designation. It is appropriate for compact I/O modules, servo interfaces, robotics controllers, motion equipment, and machine-vision systems where the 64-pin 9 x 9 mm QFN and 8-bit or 16-bit host bus suit the design. LAN9253-I/R4X is the closest confirmed alternative when its ordering and qualification characteristics meet the product requirements. LAN9253T/R4X may be considered when the I-specific designation is unnecessary, while LAN9253/R4X may fit designs that do not require the T or I ordering characteristics. For every substitution, verify the manufacturer ordering table, electrical limits, temperature grade, qualification, and exposed-pad layout rather than relying on package similarity alone.

대체품과의 비교

파라미터 이 제품 LAN9253-I/R4X LAN9253T/R4X LAN9253/R4X
Package 64-pin QFN (9 x 9 mm) 64-pin QFN (9 x 9 mm) 64-pin QFN (9 x 9 mm) 64-pin QFN (9 x 9 mm)
Brand Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Product Type 2/3-port EtherCAT Slave Controller EtherCAT Slave Controller 2/3-port EtherCAT Slave Controller EtherCAT Slave Controller
Ethernet Speed 100 Mbps 100 Mbps 100 Mbps 100 Mbps
Ethernet Physical Layer 100BASE-TX 100BASE-TX 100BASE-TX 100BASE-TX

주요 차별점

  • Integrated dual-PHY EtherCAT connectivity (vs LAN9253-I/R4X)
  • Explicit industrial ordering designation (vs LAN9253T/R4X)
  • Eight communication resources for deterministic fieldbus designs (vs LAN9253/R4X)

설계 노트

Use the manufacturer PCB stack-up and reference layout as the basis for the Ethernet differential pairs, power planes, and exposed-pad via array. Route each 100BASE-TX pair as a controlled-impedance differential pair with continuous reference-plane support, minimize vias and stubs, and observe the specified pair spacing. The integrated PHYs simplify the BOM, but they do not remove the need for careful signal-integrity layout.

The 64-pin QFN includes an exposed thermal pad that must be connected to the recommended ground-plane structure and thermal-via arrangement. Keep thermal vias clear of sensitive routing where required by the manufacturer layout, use adequate copper area, and calculate the estimated junction-temperature rise from actual power dissipation, package thermal resistance, copper area, and ambient temperature. Do not assume that the exposed pad alone guarantees adequate cooling in an enclosed enclosure.

Place the required bypass capacitors at their associated supply pins using the shortest possible ground-return paths, and follow the manufacturer recommendations for each supply rail and the exposed pad. The LAN9253 supports a 1.8 V to 3.3 V variable core voltage, but every external rail must remain within its documented limits during startup, normal operation, and fault conditions. Sequence sensitive rails according to the device's power-up requirements.

Do not substitute a LAN9253 ordering code solely because the package name matches. Verify the T and I suffix meanings, operating-temperature grade, qualification status, exposed-pad implementation, and packing requirements in the manufacturer ordering table. For industrial products, also review isolation strategy, EMC limits, Ethernet cable reach, and any customer-specific EtherCAT conformance requirements before releasing the PCB.

규정 준수 정보

RoHS
Unknown
REACH
Unknown
AEC-Q100
Unknown
무연
Unknown
무할로겐
Unknown
분쟁 광물
Unknown

The I suffix identifies an industrial ordering variant, but no explicit RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declaration was identified in the available product information.

데이터 검증일: 2026-11-06 — XAIPART 부품 엔지니어링 팀이 검증하고 관리한 데이터

관련 검색

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관련 부품 & 용어

Microchip Technology LAN9253T-I/R4X LAN9253-I/R4X LAN9253T/R4X LAN9253/R4X EtherCAT Slave Controller EtherCAT Industrial Ethernet Ethernet physical layer 100BASE-TX 100 Mbps HP Auto-MDIX Fieldbus Memory Management Unit FMMU SyncManager host bus interface 8-bit bus 16-bit bus QFN-64 surface-mount package semiconductor industrial automation servo drive industrial robotics machine vision
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