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NCN5121 - Transceiver

Description

Table 1.

Features

  • 9600 baud KNX Communication Speed.
  • Supervision of KNX Bus Voltage and Current.
  • Supports Bus Current Consumption up to 24 mA.
  • High Efficient DC.
  • DC Converters.
  • 3.3 V Fixed.
  • 1.2 V to 21 V Selectable.
  • Control and Monitoring of Power Regulators.
  • Linear 20 V Regulator.
  • Buffering of Sent Data Frames (Extended Frames Supported).
  • Selectable UART or SPI Interface to Host Controller.
  • Selectable UART.

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Datasheet preview – NCN5121

Datasheet Details

Part number NCN5121
Manufacturer ON Semiconductor
File Size 1.50 MB
Description Transceiver
Datasheet download datasheet NCN5121 Datasheet
Additional preview pages of the NCN5121 datasheet.

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Full PDF Text Transcription

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Transceiver for KNX Twisted Pair Networks NCN5121 Introduction NCN5121 is a receiver−transmitter IC suitable for use in KNX twisted pair networks (KNX TP1−256). It supports the connection of actuators, sensors, microcontrollers, switches or other applications in a building network. NCN5121 handles the transmission and reception of data on the bus. It generates from the unregulated bus voltage stabilized voltages for its own power needs as well as to power external devices, for example, a microcontroller. NCN5121 assures safe coupling to and decoupling from the bus. Bus monitoring warns the external microcontroller in case of loss of power so that critical data can be stored in time.
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