TSS721 Datasheet PDF

●TSS721A is a single chip transceiver developed for Meter-Bus standard (EN1434-3) applications.

●The TSS721A interface circuit adjusts the different potentials between a slave system and the Meter- Bus master. The connection to the bus is polarity independent and supports full galvanic slave isolation with optocouplers.

●The circuit is supplied by the master via the bus. Therefore, this circuit offers no additional load for the slave battery. A power-fail function is integrated.

●The receiver has dynamic level recognition, and the transmitter has a programmable current sink.

●A 3.3-V voltage regulator, with power reserve for a delayed switch off at bus fault, is integrated.