LM621.pdf

LM621.pdf
LM621 Brushless Motor Commutator
August 1992




LM621 Brushless Motor Commutator
Y Outputs drive bipolar power devices (up to 35 mA base
General Description current) or MOSFET power devices
The LM621 is a bipolar IC designed for commutation of Y Compatible with three- and four-phase motors
brushless DC motors The part is compatible with both Bipolar drive to delta- or Y-woun