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TMAG5273: angle reporting rate

Hailiang Zhang
Genius 11230 points
Part Number: TMAG5273


Hi Team， 

Could you pls comments on the maximum rate at which I2C reports angle information when the TMAG5273 is used in motor angle sensing applications? Thanks!

Regards,
Hailiang

  • 0
    TI__Genius 14360 points

    Hi Hailiang,

    Thank you for posting to the Sensors forum!

    Are you asking about how long it takes the device to complete a data conversion for the enabled channels + angle data? If so, that would depend on what the conversion average is set to, the operating mode, and how many channels are enabled. For example, in continuous mode, if CONV_AVG = 0h and there are 2 channels enabled + ANGLE_EN is enabled, the typical conversion time would be 50us + 25us (for additional channel) + 25us (for angle calculation) = 100us.

    If you are asking about how long it would take for an I2C read of the Angle Result Registers to be completed, that would depend on what the I2C frequency is set to, the operating frequency, etc.

    Best,

    ~Alicia