LB1928 Datasheet (Sanyo Semicon Device) - Three-Phase Brushless Motor Driver

LB1928, Three-Phase Brushless Motor Driver

Pin number 28 1 2 3 5 Pin name OUT1 OUT2 OUT3 GND2 VM Equivalent circuit VCC 300Ω VM 5 1 2 28 3 A12983 Pin function Motor drive output pins.

Connect a Schottky diode between these outputs and VCC.

Output ground pin.

Output block power supply and output current detection pin.

Connect a resist

www.DataSheet4U.com Ordering number : ENN6198A LB1928 Monolithic Digital IC LB1928 Three-Phase Brushless Motor Driver for Office Automation Equipment 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 b

LB1928 Features

* Three-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 circ