Ordering number : ENN5917
LB1981V
Monolithic Digital IC
LB1981V
Three-Phase Brushless Motor Driver
Overview
The LB1981V is a three-phase brushless motor driver especially suited for use mainly with drum motors of portable VCRs.
Package Dimensions
unit: mm 3191-SSOP30
30 16
Features
• Three-phase full-wave drive brushless sensorless motor drive • Soft switching drive • Power-saving speed control function due to motor
voltage • Use with 3V power supply possible • Output residual
voltage can be set in 4 ways • Forward/reverse switching possible • Built-in standby function (FG and PG amplifier only remain operative) • Built-in braking circuit • Built-in thermal shutdown circuit • Built-in FG...