Can someone do an in depth explanation of phase filters. And why you would or wouldnt want them?

[rusins]

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ESCs based on the VESC

This list of VESCs has always been grouped by shunt design, but now I’ve added that text under each section to make it clearer for those wondering about features like silent HFI that recommend phase shunts and phase filters. Shunts are used to measure current flowing to the motor so the ESC can adjust the on/off time of the mosfets to deliver the correct amount of current requested by the remote. Phase shunts are placed electrically between the high and low side mosfets, and the phase wires. …