FCE1353
3-port EtherCAT slave controller with dual integrated PHYs, pin-compatible with Microchip LAN9253, supports SPI, para...
Product Overview
Description
The FCE1353 is an advanced 3-port EtherCAT slave controller featuring dual integrated Ethernet PHYs. It is designed as a pin-compatible alternative to Microchip LAN9253/9252, offering higher integration and reduced BOM cost.
With three EtherCAT ports and integrated PHYs, the FCE1353 simplifies PCB design and reduces component count. It supports SPI, 8/16-bit parallel, and 32-bit parallel host interfaces for maximum flexibility.
The chip includes 8KB DPRAM and supports distributed clock synchronization. It is ideal for applications requiring 3-port network topology, such as daisy-chain configurations with branch capabilities.
Product Series
FCE
Primary Application
Multi-axis servo systems
Key Features
- Pin-compatible with Microchip LAN9253/9252
- 3 EtherCAT ports with dual integrated PHYs
- Third port for flexible network topology
- 32-bit parallel interface for high bandwidth
- HP Auto-MDIX support on all ports
- Distributed clock synchronization
- Reduced BOM cost and PCB complexity
- Industrial temperature range
Specifications
| EtherCAT Ports | 3 (100BASE-TX) |
|---|---|
| Integrated PHY | Yes (Dual 100BASE-TX PHYs) |
| DPRAM Size | 8KB |
| Host Interface | SPI, 8/16-bit Parallel, 32-bit Parallel |
| Process Data | Up to 1486 bytes |
| Cycle Time | 125μs minimum |
| Supply Voltage | 3.3V (I/O), 1.2V (Core) |
| Temperature Range | -40°C to +85°C |
| Package | LQFP-100 |
Applications
Multi-axis servo systems
Electronic system design
Complex network topologies
Communication and interface
Industrial gateways
Industrial automation and control
Modular I/O systems
Electronic system design
Robotics with daisy-chain wiring
Electronic system design
Distributed control systems
Industrial automation and control
FAE Expert Insights
"The FCE1353 is my go-to recommendation for customers needing 3-port EtherCAT connectivity. The integrated PHYs significantly simplify design - you eliminate external PHY chips, their crystals, and associated passive components. I've seen customers reduce their BOM by 30-40% compared to discrete PHY solutions. The 32-bit parallel interface is excellent for high-performance applications where you need maximum process data throughput. I particularly like the third port flexibility - it enables T-junction network topologies that are impossible with 2-port controllers. For robotics applications with daisy-chain wiring, the FCE1353 reduces cabling complexity. The LAN9253 compatibility means existing software and ESI files can be adapted quickly. I recommend this chip for any new design requiring more than 2 EtherCAT ports."
3-port design with integrated PHYs reduces BOM cost and simplifies PCB layout
— David Liu, BeiLuo
Frequently Asked Questions
What are the advantages of FCE1353 over FCE1100?
FCE1353 offers several advantages over FCE1100: First, it has 3 EtherCAT ports instead of 2, enabling more flexible network topologies like T-junctions. Second, it integrates dual Ethernet PHYs, eliminating the need for external PHY chips and reducing BOM cost by 30-40%. Third, it supports a 32-bit parallel interface for higher bandwidth applications. Fourth, the integrated solution reduces PCB complexity and improves reliability. The trade-off is slightly higher unit cost and larger package size. FCE1353 is ideal for complex applications while FCE1100 is better for cost-sensitive simple designs.
Choose FCE1353 for 3-port requirements or BOM cost reduction through PHY integration. Choose FCE1100 for simple 2-port cost-sensitive designs.
How does the third port on FCE1353 enable flexible network topology?
The third port on FCE1353 enables network topologies that are impossible with 2-port controllers. With 3 ports, you can create T-junction networks where one device branches to two separate lines. This is useful for modular machine designs where sections need to be connected and disconnected. It also enables redundant network paths for fault tolerance - if one cable fails, communication continues through the alternative path. The third port can be used for device branching, network segmentation, or creating ring topologies with redundancy. Funcience provides application notes on various network topology configurations.
Consider FCE1353 for applications requiring flexible wiring or redundancy. Contact us for network topology design guidance.
What power supplies does FCE1353 require?
FCE1353 requires two power supply voltages: 1.2V for the digital core and 3.3V for I/O and analog circuits. The core supply typically requires 200-300mA depending on operating conditions. The 3.3V supply powers the integrated PHYs and I/O pins, requiring approximately 150-200mA. Both supplies should be properly decoupled with capacitors close to the chip. Funcience reference designs include proven power supply circuits. For thermal management, consider the total power dissipation of approximately 0.5-0.7W in typical applications.
Plan for dual power supplies in your design. Refer to Funcience reference designs for power supply recommendations.
Is FCE1353 truly pin-compatible with LAN9253?
Yes, FCE1353 is designed to be pin-to-pin compatible with Microchip LAN9253 and LAN9252. The pinout, package, and key electrical characteristics match the Microchip devices. This compatibility allows direct replacement on existing PCB designs without hardware modification. Software compatibility is also high - existing LAN9253 drivers and ESI configurations can be adapted with minimal changes. Funcience provides detailed comparison documentation highlighting any minor differences. Customers who have migrated report successful operation with only EEPROM configuration updates required.
FCE1353 can replace LAN9253/LAN9252 directly. Contact us for migration support and compatibility documentation.
What applications benefit most from FCE1353's integrated PHYs?
Applications that benefit most from FCE1353's integrated PHYs include: Multi-axis servo systems where reduced component count improves reliability. Compact industrial I/O modules where PCB space is limited. Cost-sensitive high-volume products where BOM reduction is critical. Applications requiring 3-port topology for flexible wiring. Systems in harsh environments where fewer components mean higher reliability. The integrated PHYs eliminate the need for external PHY chips, crystals, and associated passive components, reducing PCB area by approximately 30% compared to discrete PHY solutions.
FCE1353 is ideal for space-constrained or cost-sensitive applications requiring 3 ports. Contact us for application-specific recommendations.