isense measurement in mc33771c

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isense measurement in mc33771c

348 次查看
nirmal_masilamani
Contributor IV

Hello,

We are trying to read current data from MEAS_ISENSE1 and MEAS_ISENSE2 register continuously from MC33771C, but current value oscilatting contiously from (+_ 3a).

We enable current measurement sys_cgf register also.

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328 次查看
TomasVaverka
NXP TechSupport
NXP TechSupport

Hello Nirmal,

Could you please share your schematic if you are not using NXP's board, especially the part related to ISENSE pins?

Are you using all the recommended ISENSE components?

Screenshot 2025-05-05 105152.png

Are you observing such behavior on your all boards with MC33771C BCC?

BRs, Tomas

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