HomedatasheetTSS721AD

TSS721AD Datasheet

Bus Transceivers
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Description

TSS721AD is a single chip transceiver developed for Meter-Bus standard (EN1434-3) applications. The TSS721AD 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. TSS721AD Features • Meter-Bus Transceiver (for Slave) Meets Standard EN1434-3• Receiver Logic With Dynamic Level Recognition• Adjustable Constant-Current Sink via Resistor• Polarity Independent• Power-Fail Function• Module Supply Voltage Switch• 3.3-V Constant Voltage Source• Remote Powering• Up to 9600 Baud in Half Duplex for UART Protocol• Slave Power Support– Supply From Meter-Bus via Output VDD– Supply From Meter-Bus via Output VDD or From Backup Battery– Supply From Battery – Meter-Bus Active for Data Transmission Only
Features

Parameters

[{"Name":"Number of Drivers/Receivers","Value":"1/1"},{"Name":"Voltage - Supply","Value":"3.3V"},{"Name":"Operating Temperature","Value":"0°C ~ 70°C"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

GESS [GE SOLID STATE]
Warm Hint

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