Motor Drivers, Brushless | LV8850GA

Three-Phase sensorless FAN Motor Pre-Driver

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Overview

LV8850GA is a pre-driver IC which is three-phase, sensorless and drives with PWM. LV8850GA drives without a hole sensor, which is suitable for driving high-current motor which requires high reliability and long life.

  • VCC+7V charge pump booster circuit for output drive
  • Integrated Synchronous Rectifier circuit (Selected by SYNSEL pin)
  • PWM or DC input signal is selectable (Selected by CTLSW pin)
  • Adjustable PWM frequency (By the external capacitor at DC input mode)
  • Integrated Current Limit circuit (highly accurate detection by using sensing (RFGND) pin for monitoring)
  • Integrated Forward / Reverse rotation switch circuit (Selected by F/R pin)
  • Integrated Lock Protection circuit with auto-recovery
  • Output Lock Protection signal (RD pin) / Output 1-hole FG signal (FG pin)

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