LB1991 Description
EN5792 Monolithic Digital IC LB1991V Three-Phase Brushless Motor Driver for Portable VCR Capstan Motors Overview The LB1991V is a 3-phase brushless motor driver IC that is optimal for driving the capstan motor in portable VCR products. Speed control technique based on motor voltage and current control. Built-in FG parators Built-in thermal shutdown circuit Functions 3-phase full-wave voltage drive technique (120°...