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LB1868M - 2-phase Brushless Fan Motor Driver

Features

  • Output Protection Zener Diode with Variable Withstand Voltage.
  • Z1, Z2 Pins Open: VOLM = 57 V (24 V Specification).
  • Z1, Z2 pins shorted: VOLM = 32 V (12 V Specification).
  • External Zener Diode Connected across Z1.
  • VCC Pins: Support for Fans with Large Drive Current.
  • External Resistor Allows Configuration for 12 V or 24 V.
  • Direct Hall Element Connection Possible (Built-in Hall Amplifier with Hysteresis Supports Core without Auxiliary E.

📥 Download Datasheet

Datasheet Details

Part number LB1868M
Manufacturer onsemi
File Size 225.68 KB
Description 2-phase Brushless Fan Motor Driver
Datasheet download datasheet LB1868M Datasheet

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Full PDF Text Transcription

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LB1868M 2‐phase Brushless Fan Motor Driver Monolithic Digital IC Overview The LB1868M is a 2-phase unipolar brushless motor driver. With only a few peripheral parts, lockup protection and automatic recovery can be implemented. The IC can be configured for 12 V or 24 V operation and a wide range of variations, from Low speed to H-High speed and from 60 cm to 120 cm square using the same PCB. This makes it easy to design highly reliable fan motor installations.
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