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Inverter + W5500

TI DSP28377D + W5500 HW

jaden

Published September 29, 2026

Original author: Gree Electric Appliances Inc of Zhuhai · ChinaOriginal source (new tab)

Inverter + W5500

Components

Hardware components

WIZnet parts

Project description

How to Add WIZnet W5500 Ethernet Communication to a DSP28377D-Based High-Power Inverter? Summary This design adds a WIZnet W5500 to a DSP28377D-based high-power inverter controller to provide a 10/100M Ethernet path for PC-based testing and diagnostics. The W5500 connects to the DSP through SPI and supplies the TCP/IP stack and Ethernet MAC/PHY functions that are not integrated into the DSP28377D. Its Ethernet signals pass through TVS protection and an RJ45 interface with isolation before reaching the inverter enclosure over shielded twisted-pair cabling. The resulting interface allows…

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