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FDC1004: How to communicate with 2x FDC1004 on the same bus

Emmanuel Bailly
Prodigy 20 points
Part Number: FDC1004

FDC1004 datasheet indicates that device ID for the FDC1004 is 0x1004 (read only). Then, how can I read/write to a specific FDC1004 device if there are several of them with same device ID on the same bus?

Thank you!

  • 0
    TI__Genius 17440 points

    Hi Emmanuel,

    If you need to use multiple FDC1004 devices on the same I2C bus, you will need to use an I2C expander or a high-speed multiplexer. This will allow you to communicate with a specific device, despite not being able to change the device ID.

    Regards,