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EUM6883

更新时间: 2024-10-28 06:58:07
品牌 Logo 应用领域
德信 - EUTECH 驱动器风扇电机
页数 文件大小 规格书
1页 76K
描述
800mA BTL Linear Fan Motor Driver

EUM6883 数据手册

  
EUM6883  
800mA BTL Linear Fan Motor Driver  
DESCRIPTION  
FEATURES  
EUM6883 is a single-phase full wave DC fan motor  
driver. It is used as an interface between a HALL IC  
and a single coil brushless motor. With its BTL linear  
control and low saturation output stages, EUM6883  
silently and efficiently drives a fan motor. The  
functions built in EUM6883 are linear control drive  
mode, fan tachometer, lock detection, automatic restart,  
Hall Bias and thermal shutdown. When output voltage  
changes from L to H (or H to L), linear control mode  
gently drives the output stage. This makes EUM6883  
suitable for the electronics equipment which required  
low noise and high reliability. If the motor is stalled by  
the external force, overdrive current may incur coil  
overheat or burning. To prevent this, the lock detection  
circuit shuts off the driver. The automatic restart circuit  
resumes powering up the driver after a few seconds.  
Rotation detection open drain output is pulled down  
when a motor runs. FG is the Fan tachometer output,  
and HB provides bias supply for a Hall sensor.  
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Linear Control for Single-Phase Full Wave Drive  
Wide Input Range 1.8V~13.8V  
Low Saturation Output Voltage 0.5V @250mA  
FG Tachometer Output  
Lock Detection, Automatic Restart  
- RD = L when Rotation; RD = H when Stop  
1.5V Hall Bias  
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Thermal Shutdown Protection  
Available in MSOP-10 Package  
RoHS Compliant and 100% Lead (Pb)-Free  
APPLICATIONS  
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CPU Cooling Fan  
Car Audio Cooler  
Power Supply Cooling Fan  
Block Diagram  
Figure 1.  
DS6883 Ver0.2 July 2009  
1

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