TMAG5111: TMAG5111

Hello, 

For a diametrically magnetized magnet, you will need to perform a simulation for your given magnet. You can do this using a FEMM simulation where you can view the strength of the magnetic field between the magnet and the device. 

Additionally, I will mention that if you have an axially magnetized magnet, then our Magnetic Sensing Proximity Tool (Rev. B) can be used to assist in these calculations. 

Best Regards, 

Justin Beigel

Ali,

The FEMM tool is useful for axially magnetized magnets due to their radial symmetry.  For this type of magnet, the excel tool Justin referred to integrates this software to run a simulation based on your inputs.  The magnet you are referring to here is diametric, and unfortunately the calculator tool cannot support this yet.  

One free tool you might consider using to estimate the field for your magnet at any given point is here:

https://magnetrechner.de/en/field-as-required-in-space/disk/diametrically-magnetized

You'll want to ensure that the sensor range to your magnet ensures a proper BOP and BRP crossing as the wheel rotates.

Thanks,

Scott