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Legacy microcontrollers Forum Discussions

User19538
Level 1
Level 1
In TLE9879x in BLDC_Sensorless_FOC example how to measure voltage of motor.
Also can anyone explain how phase current is calculate in this example
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Elettrograffiti
Employee
Employee
Hi! I this Appnote can answer your questions:
https://www.infineon.com/dgdl/Infineon-TLE987x-Sensorless-Field-Oriented-Control-ApplicationNotes-v0...

To measure the phase voltage you can directly apply an oscilloscope probe to each phase terminal of the motor, all referred to the ground terminal of your application.
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