Selecting MOSFETs for PMSM and BLDC drive applications– Quick Learning

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With today’s top of the range cars having more than 40 electrical machines, the global demand for motor drives rapidly rises. This is especially true for BLDC and PMSM drives.

Join Nandor Bodo as he discusses what to look out for when selecting a MOSFET for your PMSM or BLDC drive applications, such as picking a device that has a long reverse recovery time to avoid current spikes, or paying close attention short circuit robustness for large currents that may occur.

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Nice one and I have one doubts. In the final equation, the conduction losses are mentioned as Rds x i2/ 3. How it is calculated

mohang
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what is the percentage loss distribution in switching loss and Conduction loss in PMSM? Can we say 70% Conduction and 30% switching loss?

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