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LB11872H Datasheet 3-phase Brushless Motor Driver

Manufacturer: Sanyo Electric

Overview: .. Ordering number : ENN7257A Monolithic Digital IC LB11872H Three-Phase Brushless Motor Driver for Polygonal Mirror Motors 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. Package Dimensions unit: mm 3233A-HSOP28H [LB11872H] 15.2 (6.2) 0.65 0.

Datasheet Details

Part number LB11872H
Manufacturer Sanyo Electric
File Size 165.31 KB
Description 3-Phase Brushless Motor Driver
Datasheet LB11872H_SanyoElectric.pdf

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. 1 (0.8).

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LB11872H Distributor