ADT7466ARQZ

更新时间： 2024-11-21 21:54:55

品牌	Logo	应用领域
亚德诺 - ADI		监视器控制器
页数	文件大小	规格书
48页	1873K
描述
dBCool Remote Thermal Controller and Voltage Monitor

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ADT7466ARQZ 数据手册

dBCool^®Remote Thermal

Controller and Voltage Monitor

ADT7466

FEATURES

GENERAL DESCRIPTION

Monitors two analog voltages or thermistor temperature

inputs

One on-chip and up to two remote temperature sensors with

series resistance cancellation

Controls and monitors the speed of up to two fans

Automatic fan speed control mode controls system

cooling based on measured temperature

Enhanced acoustic mode dramatically reduces user

perception of changing fan speeds

Thermal protection feature via THERM output monitors

performance impact of Intel® Pentium® 4 processor

thermal control circuit via PROCHOT input

3-wire fan speed measurement

Limit comparison of all monitored values

SMBus 1.1 serial interface

The ADT7466 dBCool controller is a complete thermal monitor

and dual fan controller for noise-sensitive applications

requiring active system cooling. It can monitor two analog

voltages or the temperature of two thermistors, plus its own

supply voltage. 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 two 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. The effectiveness of the system’s

thermal solution can be monitored using the

input

PROCHOT

to time and monitor the

output of the processor.

PROCHOT

APPLICATIONS

Low acoustic noise notebook PCs

FUNCTIONAL BLOCK DIAGRAM

SCL SDA ALERT

SERIAL BUS

INTERFACE

8-BIT

DRIVE1

DAC

ACOUSTIC

ENHANCEMENT

CONTROL

V_FAN_MIN

V_FAN_ON

CONTROL

ADDRESS

POINTER

8-BIT

DRIVE2

DAC

AUTOMATIC

FAN SPEED

CONTROL

CONFIGURATION

REGISTERS

TACH1

FAN

THERM

TACH2

SPEED

MONITOR

FANLOCK

INTERRUPT

MASKING

FAN1

ENABLE

FAN1_ON/

PROCHOT/

THERM

INTERRUPT

STATUS

REGISTERS

PROCHOT

LIMIT

SERIES

D1+

D1–

RESISTANCE

COMPARATORS

10-BIT

ADC

CANCELLATION

INPUT

SIGNAL

VALUE AND

LIMIT

REGISTERS

SERIES

RESISTANCE

CANCELLATION

AIN1/TH1/D2–

AIN2/TH2/D2+

CONDITIONING

AND

ANALOG

MULTIPLEXER

BAND GAP

REFERENCE

BAND GAP

TEMPERATURE

SENSOR

ADT7466

GND

REFOUT

Figure 1.

Protected by U.S. Patent Numbers 6,188,189; 6,169,442; 6,097,239; 5,982,221; 5,867,012.

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable.

However, no responsibility is assumed by Analog Devices for its use, nor for any

infringements of patents or other rights of third parties that may result from its use.

Specifications subject to change without notice. No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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ADT7466ARQZ 替代型号

型号	品牌	替代类型	描述	数据表
ADT7466ARQZ-REEL	ADI	完全替代	dBCool Remote Thermal Controller and Voltage Monitor
ADT7466ARQZ-REEL7	ADI	功能相似	dBCool Remote Thermal Controller and Voltage Monitor

与ADT7466ARQZ相关器件

型号	品牌	获取价格	描述	数据表
ADT7466ARQZ1	ONSEMI	获取价格	POWER SUPPLY MANAGEMENT CKT, PDSO16, LEAD FREE,MO-137AB, QSOP-16
ADT7466ARQZ-REEL	ONSEMI	获取价格	dBCool® Remote Thermal Controller and Voltage
ADT7466ARQZ-REEL	ADI	获取价格	dBCool Remote Thermal Controller and Voltage Monitor
ADT7466ARQZ-REEL1	ONSEMI	获取价格	POWER SUPPLY MANAGEMENT CKT, PDSO16, LEAD FREE,MO-137AB, QSOP-16
ADT7466ARQZ-REEL7	ADI	获取价格	dBCool Remote Thermal Controller and Voltage Monitor
ADT7466ARQZ-RL7	ONSEMI	获取价格	dBCool® Remote Thermal Controller and Voltage
ADT7466ARQZ-RL71	ONSEMI	获取价格	POWER SUPPLY MANAGEMENT CKT, PDSO16, LEAD FREE,MO-137AB, QSOP-16
ADT7467	ONSEMI	获取价格	dBCool Remote Thermal Monitor and Fan Controller
ADT7467	ADI	获取价格	dBCool Remote Thermal Monitor and Fan Controller
ADT7467_12	ONSEMI	获取价格	Remote Thermal Monitor and Fan Controller

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