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    BMM150 X-axis overflow

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    Community Moderator

    Re: BMM150 X-axis overflow

    Hi, I am the Bosch FAE located in Sunnyvale, CA. I will contact you directly through email.

    The BMM150 X-axis data overflow or saturation may be caused by the decoupling capacitor that is placed near X-axis coil of BMM150 on the PCB. That capacitor may have ferrous material such as nickel inside. If you change to another kind of the capacitor, then the X-axis overflow issue may be gone.

    Thanks.

    Member

    Re: BMM150 X-axis overflow

    That was the issue - confirmed now. The capacitor near the magnetometer was a Murata part that had nickel plates. The down rev board used the same cap value but was a TDK part with copper plates. Switching the capacitor eliminated the overflow issue. Thanks! 

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