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LB11872H Datasheet Three-phase Brushless Motor Driver

Manufacturer: onsemi

Overview: 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 minimal drive noise due to its use of current linear drive.

Key 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 output (with masking function).
  • Includes current limiter, thermal protection, rotor constraint protection, and low-voltage protection circuits on chip.
  • On-chip output diodes. Spe.

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Similar Datasheet

Brand Logo Part Number Description Manufacturer
Sanyo Electric Logo LB11872H 3-Phase Brushless Motor Driver Sanyo Electric

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