Datasheet > BH67172NUX-E2

BH67172NUX-E2

更新时间： 2024-01-03 00:46:10

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
20页	673K
描述
Three-Phase Full-Wave Fan Motor Driver

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BH67172NUX-E2 数据手册

Datasheet

DC Brushless Fan Motor Drivers

Three-Phase Full-Wave

Fan Motor Driver

BH67172NUX

●General description

●Package

VSON010X3030

W (Typ.) x D (Typ.) x H (Max.)

3.00mm x 3.00mm x 0.60mm

BH67172UX 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

direct PWM soft switched driving

mechanism achieves silent operations and low

vibrations.

●Features

Speed controllable by PWM input signal

Sensorless drive

Soft switched drive Quick start

Power save function

VSON010X3030

Internal RNF resistance

Quick start function

●Application

Small fan motor notebook PCs etc.

●Absolute maximum ratings

Parameter

Symbol

VCC

Limit

−0.3～6.5

464 ^*1

Unit

Supply voltage

Power dissipation

°C

Operating temperature

Storage temperature

Output current

Topr

–25 to +95

–55 to +125

700^*2

Tstg

°C

Iomax

VFG

IFG

FG signal output voltage

FG signal output current

Junction temperature

6.5

°C

Tjmax

125

Reduce by 4.64mW/°C over Ta=25°C. (On 74.2mm×74.2mm×1.6mm glass epoxy board)

This value is not to exceed Pd.

●Recommended operating conditions

Parameter

Symbol

VCC

Limit

Unit

Operating supply voltage range

1.8 to 5.5

○Product structure：Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays

.www.rohm.co

TSZ02201-0H1H0B100300-1-2

1/16

TSZ22111・14・001

31.JUL.2012 Rev.002

12 3 4 5 6 7...20

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