LB1928 Description
EN6198C LB1928 Monolithic Digital IC For Office Automation Equipment 3-phase Brushless Motor Driver http://onsemi. 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.
LB1928 Key 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
- Built-in protection circuitry includes current limiter, overheat protection, motor restraint protection, etc