Usually you drive 2 phases at a time, the other being open-circuit. That does require 6 pins to
control all 6 MOSFETs of the 3-phase bridge. Its called trapezoidal drive.
Usually you drive 2 phases at a time, the other being open-circuit. That does require 6 pins to
control all 6 MOSFETs of the 3-phase bridge. Its called trapezoidal drive.