NCN5150 Wired M-BUS Slave Transceivers onsemi NCN5150 Wired M-BUS Slave Transceivers provide all of the functions needed to satisfy the European Standards EN 13757−2 and EN 1434−3 describing the physical layer requirements for M-BUS. It includes a programmable power level of up to 2 (SOIC version) or 6 (NQFP version) unit loads, which are available for use in external circuits through a 3.3 V LDO regulator. onsemi NCN5150 Wired M-BUS Slave Transceivers can provide communication up to the maximum M-BUS communication speed of 38,400 baud (half-duplex).