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EUM6801SIR1 - 3-Phase Sensorless Fan Motor Driver

This page provides the datasheet information for the EUM6801SIR1, a member of the EUM6801 3-Phase Sensorless Fan Motor Driver family.

Description

EUM6801 is a 3-phase sensorless fan motor driver.

It senses the BEMF (Back Electromotive Force) of the motor in rotation and provides corresponding commutation current to the motor.

The sensorless technology doesn’t need Hall sensors.

Features

  • 3-Phase Sensorless Drive Function (No Hall Sensor Needed) Few External Components (3 CAP Only) Low Startup Voltage:.

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Datasheet preview – EUM6801SIR1

Datasheet Details

Part number EUM6801SIR1
Manufacturer Eutech Microelectronics
File Size 251.31 KB
Description 3-Phase Sensorless Fan Motor Driver
Datasheet download datasheet EUM6801SIR1 Datasheet
Additional preview pages of the EUM6801SIR1 datasheet.

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Full PDF Text Transcription

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EUM6801 3-Phase Sensorless Fan Motor Driver DESCRIPTION EUM6801 is a 3-phase sensorless fan motor driver. It senses the BEMF (Back Electromotive Force) of the motor in rotation and provides corresponding commutation current to the motor. The sensorless technology doesn’t need Hall sensors. The absence of the Hall sensor makes the fabrication of the motor easier, especially suitable for ultra-small motors. EUM6801 integrates PWM speed control, soft switching, lock protection, auto restart, fan tachometer and forward/reverse functions. As applying 3-phase driver method, PWM mode controls fan speed by adjusting duty cycle of PWM signal. Internal soft switching function drives fan motor in low noise and low vibration ways.
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