MP6541A OCP limit value HS and LS difference

Motor Drivers/Sensors
1

Hello. why are the over current threshold values ​​of HS and LS different in OCP function?

2

Hi @sos2885,

During back EMF, the LS FET will see a higher current than the HS FET since LS is directly connected to the GND. Hence, a larger LS FET is needed.

Thank you
Saurabh