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Si9243 - Single-Ended Bus Driver

General Description

The Si9243 is a monolithic bus driver designed to provide bidirectional serial communication in automotive diagnostic applications.

The device incorporates protection against overvoltages and short circuits to GND or VBA'P The transceiver pin is protected and can be driven beyond the VBATvoltage.

Key Features

  • Single-Ended Transceiver.
  • Survives Shorts and Transients on Automotive Bus.
  • Wide Power Supply Voltage Range.
  • Fault Detection.
  • IS09141 Compatible.

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📁 Similar Datasheet

Part Number Description Manufacturer
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Other Datasheets by TEMIC Semiconductors (now Microchip)

Part Number Description
Si9243EY Single-Ended Bus Transceiver
Si9241 Single-Ended Bus Driver
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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TEMIC Siliconix Single-Ended Bus Driver Si9243 Features • Single-Ended Transceiver • Survives Shorts and Transients on Automotive Bus • Wide Power Supply Voltage Range • Fault Detection • IS09141 Compatible Description The Si9243 is a monolithic bus driver designed to provide bidirectional serial communication in automotive diagnostic applications. The device incorporates protection against overvoltages and short circuits to GND or VBA'P The transceiver pin is protected and can be driven beyond the VBATvoltage. The temperature and short circuit fault detection feature is still active as in the Si9242, but the FAULT signal is not brought out. In the transmit mode, load shorts and opens are generally detected by the processor monitoring RXK and TX.