MP6540H: How to calculate power dissipation

Hi, there.

Motor drivers including MOSFETs heat up by switching to some degree while using on applications.
How can I calculate the power dissipation for PCB design in advance?


Hello xyamada,

I apologize for the delay, I will try to get a response back to you in 2 days.

Thank you,
Vinh Tran

Hi xyamada,

Please see on Pg. 5 of the datasheet:

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Is there a way to calculate or estimate switching losses, i.e. losses due to parasitic capacitances of the power-MOSFETs in the output stage?
Only parameter given in the datasheet is Rds_on, that is only part of the total losses.