LV8850GA-AH
数据手册.pdf三相风扇电机预驱动器,无传感器
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.
Features
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- VCC+7V charge pump booster circuit for output drive
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- Integrated Synchronous Rectifier circuit Selected by SYNSEL pin
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- PWM or DC input signal is selectable Selected by CTLSW pin
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- Adjustable PWM frequency By the external capacitor at DC input mode
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- Integrated Current Limit circuit highly accurate detection by using sensing RFGND pin for monitoring
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- Integrated Forward / Reverse rotation switch circuit Selected by F/R pin
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- Integrated Lock Protection circuit with auto-recovery
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- Output Lock Protection signal RD pin / Output 1-hole FG signal FG pin
