LS7561 Datasheet - LSI Computer Systems

LS7561 BRUSHLESS DC MOTOR CONTROLLER

The LS7560/LS7561 are CMOS integrated circuits designed to control three or four phase brushless DC motors in a closed or open loop configuration. The IC consists of a decoder which provides proper commutation sequencing, a frequency-topulse width converter and error amplifier for closed loop motor .

LS7561 Features

* Open loop motor control

* Tachometer output for closed loop motor control

* Error Amplifier and PWM Speed Comparator with full accessibility

* High noise immunity Schmitt Triggers on Sensor inputs

* 5.5V Reference Supply for external sensors

* Cycle-

LS7561_LSIComputerSystems.pdf