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ADT7463ARQZ PDF预览

ADT7463ARQZ

更新时间： 2024-11-22 20:34:03
品牌 Logo 应用领域
亚德诺 - ADI 监视器光电二极管
页数 文件大小 规格书
52页 734K
描述
IC SPECIALTY ANALOG CIRCUIT, PDSO24, MO-137AE, QSOP-24, Analog IC:Other

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ADT7463ARQZ 数据手册

 浏览型号ADT7463ARQZ的Datasheet PDF文件第2页浏览型号ADT7463ARQZ的Datasheet PDF文件第3页浏览型号ADT7463ARQZ的Datasheet PDF文件第4页浏览型号ADT7463ARQZ的Datasheet PDF文件第5页浏览型号ADT7463ARQZ的Datasheet PDF文件第6页浏览型号ADT7463ARQZ的Datasheet PDF文件第7页 
dBCOOL™ Remote Thermal  
a
Controller and Voltage Monitor  
ADT7463*  
FEATURES  
GENERAL DESCRIPTION  
Monitors up to 5 Supply Voltages  
The ADT7463 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, and 2.5 V CPU supply voltages, 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 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 unique dynamic TMIN control mode enables the system  
thermals/acoustics to be intelligently managed. The effectiveness  
of the system’s thermal solution can be monitored using the  
THERM input. The ADT7463 also provides critical thermal  
protection to the system using the bidirectional THERM pin  
as an output to prevent system or component overheating.  
Controls and Monitors up to 4 Fan Speeds  
1 On-Chip and 2 Remote Temperature Sensors  
Monitors up to 6 Processor VID Bits  
Dynamic TMIN Control Mode Optimizes System  
Acoustics Intelligently  
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 THERM Input  
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  
SELECT ADDR EN  
SCL SDA SMBALERT  
VID5  
VID4  
VID3  
VID2  
VID1  
VID0  
VID  
SMBUS  
ADDRESS  
SELECTION  
SERIAL BUS  
INTERFACE  
REGISTER  
ADDRESS  
POINTER  
REGISTER  
AUTOMATIC  
FAN SPEED  
CONTROL  
PWM1  
PWM2  
PWM  
REGISTERS  
AND  
ACOUSTIC  
ENHANCEMENT  
CONTROL  
CONTROLLERS  
PWM3  
PWM  
CONFIGURATION  
REGISTERS  
DYNAMIC  
MIN  
CONTROL  
TACH1  
TACH2  
TACH3  
TACH4  
T
FAN SPEED  
COUNTER  
INTERRUPT  
MASKING  
PERFORMANCE  
MONITORING  
THERMAL  
PROTECTION  
INTERRUPT  
STATUS  
REGISTERS  
THERM  
V
TO ADT7463  
CC  
V
CC  
ADT7463  
D1+  
D1–  
D2+  
D2–  
LIMIT  
COMPARATORS  
10-BIT  
ADC  
INPUT  
SIGNAL  
V
CC  
CONDITIONING  
AND  
+5V  
+12V  
+2.5V  
V
IN  
IN  
IN  
VALUE AND  
LIMIT  
REGISTERS  
ANALOG  
MULTIPLEXER  
BAND GAP  
REFERENCE  
CCP  
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.  
REV. C  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, norforanyinfringementsofpatentsorotherrightsofthirdpartiesthat  
may result from its use. 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: 781/326-8703  
www.analog.com  
© 2004 Analog Devices, Inc. All rights reserved.  
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ADT7463ARQZ 替代型号

型号 品牌 替代类型 描述 数据表
ADT7463ARQZ-REEL ONSEMI

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