Datasheet > ADM1027ARQZ-RL71

ADM1027ARQZ-RL71

更新时间： 2024-11-18 11:52:27

品牌	Logo	应用领域
安森美 - ONSEMI		监视器控制器
页数	文件大小	规格书
56页	1815K
描述
dBCOOLâ¢ Remote Thermal Controller and Voltage Monitor

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中文翻译

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数据手册

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ADM1027ARQZ-RL71 数据手册

dBCOOL^™Remote Thermal

Controller and Voltage Monitor

ADM1027^*

FEATURES

GENERAL DESCRIPTION

Monitors up to 5 Supply Voltages

The ADM1027 dBCOOL controller is a complete systems

monitor and multiple PWM fan controller for noise sensitive

applications requiring active system cooling. It can monitor

12 V, 5 V, 2.5 V CPU supply voltage, plus its own supply volt-

age. 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 auto-

matic fan speed control loop optimizes fan speed for a given

temperature. Once the control loop parameters are programmed,

the ADM1027 can vary fan speed without CPU intervention.

Controls and Monitors up to 4 Fan Speeds

1 On-Chip and 2 Remote Temperature Sensors

Monitors up to 5 Processor VID Bits

Automatic Fan Speed Control Mode Controls System

Cooling Based on Measured Temperature

Enhanced Acoustic Mode Dramatically Reduces User

Perception of Changing Fan Speeds

2-Wire and 3-Wire Fan Speed Measurement

Limit Comparison of All Monitored Values

Meets SMBus 2.0 Electrical Specifications

(Fully SMBus 1.1 Compliant)

APPLICATIONS

Low Acoustic Noise PCs

Networking and Telecommunications Equipment

FUNCTIONAL BLOCK DIAGRAM

ADDR

SCL SDA

SELECT ADDR EN

SMBALERT

VID4

VID3

VID2

VID1

VID0

SMBUS

ADDRESS

SELECTION

SERIAL BUS

INTERFACE

VID

ADDRESS

POINTER

AUTOMATIC

FAN SPEED

CONTROL

PWM

CONFIGURATION

REGISTERS

PWM1

PWM2

PWM

REGISTERS

AND

ACOUSTIC

ENHANCEMENT

CONTROL

PWM3

CONTROLLERS

TACH1

TACH2

TACH3

TACH4

FAN SPEED

COUNTER

INTERRUPT

MASKING

TO ADM1027

ADM1027

INTERRUPT

STATUS

REGISTERS

D1+

D1–

D2+

D2–

INPUT

SIGNAL

CONDITIONING

AND

ANALOG

MULTIPLEXER

10-BIT

ADC

+5V

LIMIT

COMPARATORS

+12V

+2.5V

BAND GAP

REFERENCE

CCP

VALUE AND

LIMIT

REGISTERS

BAND GAP

TEMP. SENSOR

GND

*Protected by U.S. Patent Nos. 6,188,189; 6,169,442; 6,097,239; 5,982,221;

and 5,867,012. Other patents pending.

May 2010 - Rev. 3

Publication Order Number:

ADM1027/D

12 3 4 5 6 7...56

中文翻译

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与ADM1027ARQZ-RL71相关器件

型号	品牌	获取价格	描述	数据表
ADM1028	ADI	获取价格	Remote Thermal Diode Monitor with Linear Fan Control
ADM1028ARQ	ADI	获取价格	Remote Thermal Diode Monitor with Linear Fan Control
ADM1028ARQ-REEL	ADI	获取价格	IC SPECIALTY ANALOG CIRCUIT, PDSO16, MO-137AB, QSOP-16, Analog IC:Other
ADM1028ARQ-REEL7	ADI	获取价格	IC SPECIALTY ANALOG CIRCUIT, PDSO16, MO-137AB, QSOP-16, Analog IC:Other
ADM1028ARQZ	ADI	获取价格	IC SPECIALTY ANALOG CIRCUIT, PDSO16, MO-137AB, QSOP-16, Analog IC:Other
ADM1028ARQZ-REEL	ADI	获取价格	IC SPECIALTY ANALOG CIRCUIT, PDSO16, MO-137AB, QSOP-16, Analog IC:Other
ADM1028ARQZ-REEL7	ADI	获取价格	IC SPECIALTY ANALOG CIRCUIT, PDSO16, MO-137AB, QSOP-16, Analog IC:Other
ADM1029	ADI	获取价格	Dual PWM Fan Controller and Temperature Monitor for High Availability Systems
ADM1029	ONSEMI	获取价格	Dual PWM Fan Controller and Temperature Monitor for High Availability Systems
ADM1029ARQ	ADI	获取价格	Dual PWM Fan Controller and Temperature Monitor for High Availability Systems

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