Microchip LAN8871-I/PUA
1000Base-T1 Ethernet transceiver
The Microchip LAN8870/LAN8871/LAN8872 (LAN887x) family of devices provide a compact, cost-effective, single-port 100BASE-T1/1000BASE-T1 Ethernet physical layer transceiver solution compliant with the IEEE 802.3bw-2015 and IEEE 802.3bp-2016 specifications. The LAN887x provides transmit and receive capability with cable reaches beyond the IEEE 802.3bp standard of up to at least 15 meters for type A and up to at least 40 meters for type B. The LAN887x is available in both Industrial grade (-40°C to +85°C) and AEC-Q100 Automotive Grade 2 (-40°C to +105°C) temperature ranges and is optimized for applications such as Industrial Automation, IIoT, Automated Driver- Assistance Systems (ADAS), infotainment, telematics, and in-vehicle backbones. The LAN887x supports communication with an Ethernet MAC via standard RGMII/SGMII interfaces. The LAN887x is Time Sensitive Networking (TSN) ready, supporting IEEE802.1AS-2020 and IEEE1588-2019 Precision Clock Synchronization Protocol for real time Ethernet networking. Microchip’s LAN887x EtherGREEN™ energy efficient technology provides low-power 1000BASE-T1/100BASE-T1 PHY operation along with OPEN Alliance TC10 ultra low-power remote sleep and wake-up support. FlexPWR® variable I/O and core power supply voltages provide flexible design options and further power-saving opportunities. Advanced PHY diagnostics provide the user with troubleshooting capabilities such as cable defect detection of shorts or opens, a receiver Signal Quality Indicator (SQI), over-temperature, under-voltage protection, comprehensive status interrupt support, and various loopback and test modes.
Key features
- Supports RGMII MAC interface
- OPEN Alliance TC10 support
- IEEE 1588-2019 and 802.1AS-2020 support
- flexPWR® technology power management
- Small footprint 48-pin VQFN (7 x 7 mm) with wettable flanks
- Grade 2 Automotive (-40°C to +105°C) and Industrial (-40°C to +85°C) temperature ranges
- Microchip functional safety ready
Applications
- Automotive
- Industrial Ethernet
- Robotics
- Building automation
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