LB11872H - Three-Phase Brushless Motor Driver
Ordering number : EN7257B LB11872H Monolithic Digital IC For Polygonal Mirror Motors Three-Phase Brushless Motor Driver http://onsemi.com Overview The LB11872H is a three-phase brushless motor driver developed for driving the motors used for the polygonal mirror in laser printers and similar applications.
It can implement, with a single IC chip, all the circuits required for polygonal mirror drive, including speed control and driver functions.
The LB11872H can implement motor drive within min
LB11872H Features
* Three-phase bipolar current linear drive + midpoint control circuit.
* PLL speed control circuit.
* Speed is controlled by an external clock signal.
* Supports Hall FG operation.
* Built-in output saturation prevention circuit.
* Phase lock detection
