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BD67173NUX

Rohm
Part Number BD67173NUX
Manufacturer Rohm
Description Three-Phase Full-Wave Fan Motor Driver
Published Feb 12, 2016
Detailed Description Datasheet DC Brushless Fan Motor Drivers Three-Phase Full-Wave Fan Motor Driver BD67173NUX General Description BD6717...
Datasheet PDF File BD67173NUX PDF File

BD67173NUX
BD67173NUX

Overview
Datasheet DC Brushless Fan Motor Drivers Three-Phase Full-Wave Fan Motor Driver BD67173NUX General Description 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 possible.
Furthermore, introducing a direct PWM soft switched driving mechanism achieves silent operations and low vibrations.
Key Specifications  Operating Supply Voltage Range: 2.
2V to 5.
5V  Operating Temperature Range: -25°C to +95°C Package(s) VSON010X3030 W(Typ) x D(Typ) x H(Max) 3.
00mm x 3.
00mm x 0.
60mm Features  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 • 15 • 001 This product has no designed protection against radioactive rays 1/27 TSZ02201-0H1H0B101160-1-2 08.
Sep.
2015 Rev.
001 BD67173NUX Contents General Description 1 Features .
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1 Applications.
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1 Key Specifications.
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