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EUM6179 반도체 회로 부품 판매점

Single-Phase Full-Wave Motor Driver



Eutech Microelectronics 로고
Eutech Microelectronics
EUM6179 데이터시트, 핀배열, 회로
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
www.DataShefeut4nUc.tcioomns built in EUM6179 are soft switched drive
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/2 output for EUM6179A.
FEATURES
z Low Voltage 2.2V~6V
z Single-Phase Full-Wave driver System
z Soft switched drive
z Lock detection, Automatic restart
z Tachometer Output
FG output for EUM6179,
FG/2 output for EUM6179A
z Hall Bias
z Thermal Shutdown Protection
z FG Output
z RoHS Compliant and 100% Lead (Pb)-Free
APPLICATIONS
z NB FAN Motor
Application Circuit and Block Diagram
DS6179 Ver1.0 Feb. 2007
Figure 1.
1


EUM6179 데이터시트, 핀배열, 회로
Pin Configurations
Package Type
EUM6179/6179A
Pin Configurations
MSOP-8
www.DataSheet4U.com
Pin Description
PIN
OUT2
H+
HB
H-
Pin
1
2
3
4
FG 5
VCC
OUT1
GND
6
7
8
DESCRIPTION
Motor output terminal
Hall input terminal
Hall bias terminal
Hall input terminal
Output pin of fan tachometer
( open-collector )
FG : EUM6179
( The frequency is the same as Hall input frequency )
FG/2 : EUM6179A
( The frequency is the half of Hall input frequency )
Power supply terminal
Motor output terminal
GROUND terminal
Power Dissipation
DS6179 Ver1.0 Feb. 2007
Figure 2.
To use at temperature above Ta=25 reduce 4.68mW/
2




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EUM6179 driver

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