Source: Maxim Integrated
The new MAXM22511 2.5 kV isolated RS-485/RS-422 module transceiver with power has been released from Maxim Integrated Products. The MAXM22511 simplifies and shrinks the design of field bus communications systems for factory automation, motor control and other industrial internet of things (IIoT) applications.
Full industrial convergence calls for intelligence at the edge of the automated factory to enable self-diagnostic and autonomous capabilities. The transceiver actively monitors and communicates real-time health and status information required by these environments. Factory subsystems demand field bus communications systems that meet stringent size and power efficiency requirements while supporting operations in noisy industrial environments. The MAXM22511 addresses these challenges while simplifying field bus communications system designs. The highly integrated module accomplishes this by eliminating the need for discrete digital isolators, transceivers, transformers and transformer drivers while also reducing bill of materials (BOM) costs.
The MAXM22511 supports 25 Mbps data rates while providing 60% DC-DC efficiency (two times better than competitors) and +/-35 kV electrostatic discharge protection (two times better than competitors). The module is available in a land grid array (LGA) package (9.35 mm x 11.5 mm, which is 35% smaller than competitive solutions).
The module integrates isolated data and isolated power in a small package. By eliminating the need for four discrete components, it reduces BOM costs and simplifies the design. It also has 60% DC-DC efficiency, which is double that of competing solutions. Its 2.5 kVRMS isolation supports reliable communication across the isolation barrier to ensure safe operation of industrial equipment. The module reduces electromagnetic interference (EMI) and its +/-35 kV electrostatic discharge protection (human body model or HBM) is twice the level of the closest competitive solution.
The MAXM22511 is available at Maxim’s website for $7.00 (1,000-up, FOB USA); also available with select authorized distributors. The MAXM22511EVKIT# evaluation kit is available for $125.
