SystemBase SB200 One-Chip RS232 to RS422/RS485 Serial Converting Transceiver

Product Description The SystemBase SB200 is the world's most powerful all-in-one, port-powered industrial-grade serial signal converter chip that effortlessly bridges RS232 and RS422/RS485 communications. With built-in auto direction control, port-powered operation, and robust ESD protection, the SB200 is engineered for OEMs, integrators, and industrial users needing compact, reliable data conversion and extending communication distances up to 1.2km. Key Features 🔌 Port-Powered Innovation No external power supply required - extracts power directly from RS232 signal lines (TXD, RTS, DTR) Optional 9-12VDC external power support for demanding applications Built-in power extraction circuits for maximum convenience ⚡ High-Performance Communication Maximum data rate: 1 Mbps (RS232, RS422, RS485) Support for up to 256 nodes on RS485 bus (1/8-unit load receiver) Ultra-compact 6mm x 6mm QFN-40 package design 🎯 Auto Direction Control Intelligent automatic toggle control eliminates manual RS