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BD67173NUX is a three-phase sensorless fan motor driver used to cool off notebook PCs. It is controlled by a variable speed provided through the PWM input signal. Its feature is sensorless drive which doesn’t require a hall device as a location detection sensor and motor downsizing can be achieved by limiting the number of external components as much as poss.
Speed controllable by PWM input signal
Sensorless drive
Soft switched drive Quick start
Power save function
Internal RNF resistance
Quick start function
VSON010X3030
Applications
Small fan motor for notebook PCs etc.
Typical Application Circuit(s)
SIG ＋
1uF~4.7uF
VCC
10kohm
FG
CTOM VCC
VCC
10kohm
U FTR
1pin
M
―
PWM TOSC GND V Ｗ
2200pF
PWM
Product structure : Silicon monolithic integrated circuit .www.rohm.com © 2015 ROHM Co., Ltd. All rights reserved. TSZ22111
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This product has no designed protection against radioactive rays
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TSZ02201-0H1H0B101160-.
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