LB1876 Description
ENN6201A Monolithic Digital IC LB1876 Three-Phase Brushless Motor Driver for Polygon Mirror Motors Overview The LB1876 is a driver for polygon mirror motors such as used in laser printers and similar equipment. It incorporates all necessary circuitry (speed control + driver) on a single chip. Direct PWM drive enables drive with low power loss.
LB1876 Key Features
- Three-phase bipolar drive Direct PWM drive technique Built-in lower side output diode Output current limiter Reference c
- Brake method switching circuit (free-run or reverse torque)
- 5V regulator output
- Power save function