LB1928 Datasheet (ON Semiconductor) - 3-phase Brushless Motor Driver

LB1928, 3-phase Brushless Motor Driver

Ordering number : EN6198C LB1928 Monolithic Digital IC For Office Automation Equipment 3-phase Brushless Motor Driver http://onsemi.com Overview The LB1928 is a 3-phase brushless motor driver well suited for drum and paper feed motors in laser printers, plain-paper copiers and other office automation equipment.

Direct PWM drive allows control with low power losses.

Peripheral circuitry including speed control circuit and FG amplifier is integrated, thus allows drive circuit to be constructed

LB1928 Features

* 3-phase bipolar drive (30V, 3.1A)

* Direct PWM drive technique

* Built-in diode for absorbing output lower-side kickback

* Speed discriminator and PLL speed control

* Speed lock detection output

* Built-in forward/reverse switching circuit