Overview

The LB1822 is a monolithic predriver IC for controlling three-phase brushless motors and has an on-chip digital

speed control circuit. The LB1822 is ideally suited for driving the motor of laser beam printers, facsimiles, plain

paper copiers, and so on.

Features

• 30V withstand voltage and 30mA output current.

• Current limiter.

• Low-voltage protection circuit.

• Thermal shutdown circuit.

• Hall amp with hysteresis characteristic.

• Start/Stop terminals.

• Crystal osillator and divider.

• Digital speed control circuit.

• Lock detector.