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EUM6179

更新时间: 2024-10-28 03:34:59
品牌 Logo 应用领域
德信 - EUTECH 风扇电机驱动
页数 文件大小 规格书
11页 260K
描述
Single-Phase Full-Wave Motor Driver for Fan Motor

EUM6179 数据手册

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EUM6179/6179A  
Single-Phase Full-Wave Motor Driver  
for Fan Motor  
FEATURES  
DESCRIPTION  
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Low Voltage 2.2V~6V  
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  
mode, fan tachometer, lock detection, automatic restart,  
thermal shut-down and Hall Bias.  
Single-Phase Full-Wave driver System  
Soft switched drive  
Lock detection, Automatic restart  
Tachometer Output  
FG output for EUM6179,  
FG/2 output for EUM6179A  
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.  
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Thermal Shutdown Protection  
FG Output  
RoHS Compliant and 100% Lead (Pb)-Free  
APPLICATIONS  
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NB FAN Motor  
For different application, fan tachometer circuit has FG  
output for EUM6179 and FG/2 output for EUM6179A.  
Application Circuit and Block Diagram  
Figure 1.  
DS6179 Ver1.0 Feb. 2007  
1

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