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EUM6179A

Eutech Microelectronics
Part Number EUM6179A
Manufacturer Eutech Microelectronics
Description Single-Phase Full-Wave Motor Driver
Published Aug 20, 2008
Detailed Description EUM6179/6179A Single-Phase Full-Wave Motor Driver for Fan Motor DESCRIPTION EUM6179 is designed specifically for electro...
Datasheet PDF File EUM6179A PDF File

EUM6179A
EUM6179A

Overview
EUM6179/6179A Single-Phase Full-Wave Motor Driver for Fan Motor DESCRIPTION EUM6179 is designed specifically for electronic commutation of single coil brushless DC motor applications.
It is intended to be used as an interface between a HALL IC and a single coil motor.
The functions built in EUM6179 are soft switched drive www.
DataSheet4U.
com mode, fan tachometer, lock detection, automatic restart, thermal shut-down and Hall Bias.
Soft switched drive mode makes the output signal gentle when the amplitude of HALL signal is small.
Oppositely, it makes the output signal steep when the amplitude of HALL signal is big.
If the motor is stalled by external force or obstacles, overdrive current may incur coil overheat/burning.
To prevent this, lock detection circuit can shut down the driver for 5 seconds after motor lockup.
Then automatic restart circuit will try to power up the driver for 500ms every 5 seconds.
For different application, fan tachometer circuit has FG output for EUM6179 and FG/...


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