Ordering number : 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 comparators • Built-in thermal shutdown circuit
Functions
• 3-phase full-wave
voltage drive technique (120°
voltage-linear technique) • Torque ripple correction circuit (overlap correction)
Package Dimensions
unit: mm 3175A-SSOP24
[LB1991V]
Allowable power dissipation, Pd max — W
SANYO: SSOP24 Ambient temperature, Ta — °C
Specifications
Absolute Maxim...