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I2C Bus Slave to UART/CAN/RS485/GPIO Bridge

Simon Benkner60
Prodigy 10 points
Other Parts Discussed in Thread: P82B96, SN65HVD71

Hello,

right now I am looking for one of my projects for low cost, easy to use, industrial grade I2C Slave Bridge ICs with a UART/CAN/RS485-Controller or GPIO-Extension. I am aware that there is no IC that provide all of those functionalities, but does TI offer especially any of those bus converters?

Kind regards,

Simon

  • 0
    TI__Guru 62920 points
    Hi Simon,

    What are you trying to accomplish - is it extension of an I2C bus (e.g., between PCBs through a cable)? You may want to look into something like P82B96, which can separate the bidirectional SDA/SCL lines into two separate TX and RX channels. This allows the signals to be interfaced to a differential transceiver (for example, an RS-485 transceiver such as SN65HVD71) for transmission over longer cables. Note that this kind of solution would only perform physical layer translation (from single-ended logic signals to differential signals), not introduce any new signaling protocols.

    Max