Datasheet > ADT7460ARQZ-RL7

ADT7460ARQZ-RL7

更新时间： 2024-11-22 06:36:27

品牌	Logo	应用领域
安森美 - ONSEMI		风扇监控控制器
页数	文件大小	规格书
46页	634K
描述
dBCOOL Remote Thermal Monitor and Fan Controller

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ADT7460ARQZ-RL7 数据手册

ADT7460

dBCOOL^RRemote Thermal

Monitor and Fan Controller

The ADT7460 dBCOOL controller is a thermal monitor and

multiple PWM fan controller for noise−sensitive applications

requiring active system cooling. It can monitor the temperature of up

to two remote sensor diodes plus its own internal temperature. It can

measure and control the speed of up to four fans so that they operate at

the lowest possible speed for minimum acoustic noise. The automatic

fan speed control loop optimizes fan speed for a given temperature. A

http://onsemi.com

MARKING

DIAGRAM

unique dynamic T

control mode enables the system

MIN

thermals/acoustics to be intelligently managed. The effectiveness of

the system’s thermal solution can be monitored using the THERM

input. The ADT7460 also provides critical thermal protection to the

system by using the bidirectional THERM pin as an output to prevent

system or component overheating.

T7460A

RQZ

#YYWW

QSOP−16

CASE 492

Features

• Controls and Monitors Up to 4 Fans

xxx

= Device Code

= Pb−Free Package

• 1 On−Chip and 2 Remote Temperature Sensors

• Dynamic T

Control Mode Optimizes System Acoustics

MIN

YYWW = Date Code

Intelligently

• Automatic Fan Speed Control Mode Controls System Cooling

Based on Measured Temperature

• Enhanced Acoustic Mode Dramatically Reduces User Perception

of Changing Fan Speeds

PIN ASSIGNMENT

SCL

16 SDA

• Thermal Protection Feature via THERM Output

GND

15 PWM1/XTO

• Monitors Performance Impact of Intel Pentium^R4 Processor

CCP

• Processor Thermal Control Circuit via THERM Input

• 2−Wire and 3−Wire Fan Speed Measurement

TACH3

D1+

ADT7460

TOP VIEW

PWM2/

SMBALERT

12 D1–

11 D2+

10 D2–

• Limit Comparison of All Monitored Values

• Meets SMBus 2.0 Electrical Specifications

(Fully SMBus 1.1−Compliant)

• This is a Pb−Free Device

TACH1

TACH2

TACH4/ADDR SELECT

/THERM

PWM3/

ADDR ENABLE

APPLICATIONS

• Low Acoustic Noise PCs

• Networking and Telecommunications Equipment

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 45 of this data sheet.

Semiconductor Components Industries, LLC, 2010

Publication Order Number:

June, 2010 − Rev. 5

ADT7460/D

12 3 4 5 6 7...46

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与ADT7460ARQZ-RL7相关器件

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ADT7461	ONSEMI	获取价格	Â±1â Temperature Monitor with Series Resist
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ADT7461A	ADI	获取价格	【1∑C Temperature Monitor with Series Resistan
ADT7461A	ONSEMI	获取价格	±1℃ Temperature Monitor with Series Resistanc
ADT7461AARMZ	ONSEMI	获取价格	Â±1â Temperature Monitor with Series Resist
ADT7461AARMZ	ADI	获取价格	【1∑C Temperature Monitor with Series Resistan
ADT7461AARMZ-002	ONSEMI	获取价格	±1℃ Temperature Monitor with Series Resistanc
ADT7461AARMZ-2	ADI	获取价格	【1∑C Temperature Monitor with Series Resistan
ADT7461AARMZ-2REEL	ADI	获取价格	【1∑C Temperature Monitor with Series Resistan
ADT7461AARMZ-2RL	ONSEMI	获取价格	Â±1â Temperature Monitor with Series Resist

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