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ADT7468ARQZ-RL7 PDF预览

ADT7468ARQZ-RL7

更新时间： 2024-02-01 04:32:07
品牌 Logo 应用领域
安森美 - ONSEMI 模拟IC信号电路监视器光电二极管控制器
页数 文件大小 规格书
81页 1196K
描述
dBCool® Remote Thermal Controller and Voltage Monitor

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ADT7468ARQZ-RL7 技术参数

是否Rohs认证：符合生命周期：Obsolete
零件包装代码：SSOP包装说明：SSOP, SSOP24,.24
针数：24Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.02
Is Samacsys：N模拟集成电路 - 其他类型：ANALOG CIRCUIT
JESD-30 代码：R-PDSO-G24JESD-609代码：e3
长度：8.6614 mm功能数量：1
端子数量：24最高工作温度：120 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：SSOP封装等效代码：SSOP24,.24
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, SHRINK PITCH
电源：3.3/5 V认证状态：Not Qualified
座面最大高度：1.7526 mm子类别：Motion Control Electronics
最大供电电流 (Isup)：3 mA最大供电电压 (Vsup)：5.5 V
最小供电电压 (Vsup)：3 V标称供电电压 (Vsup)：3.3 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Tin (Sn)端子形式：GULL WING
端子节距：0.635 mm端子位置：DUAL
宽度：3.9116 mmBase Number Matches：1

ADT7468ARQZ-RL7 数据手册

 浏览型号ADT7468ARQZ-RL7的Datasheet PDF文件第2页浏览型号ADT7468ARQZ-RL7的Datasheet PDF文件第3页浏览型号ADT7468ARQZ-RL7的Datasheet PDF文件第4页浏览型号ADT7468ARQZ-RL7的Datasheet PDF文件第5页浏览型号ADT7468ARQZ-RL7的Datasheet PDF文件第6页浏览型号ADT7468ARQZ-RL7的Datasheet PDF文件第7页 
dBCool® Remote Thermal  
Controller and Voltage Monitor  
ADT7468  
FEATURES  
GENERAL DESCRIPTION  
Monitors up to 5 voltages  
The ADT7468 dBCool controller is a thermal monitor and  
multiple PWM fan controller for noise sensitive or power  
sensitive applications requiring active system cooling. The  
ADT7468 can drive a fan using either a low or high frequency  
drive signal, monitor the temperature of up to two remote  
sensor diodes plus its own internal temperature, and measure  
and control the speed of up to four fans, so that they operate at  
the lowest possible speed for minimum acoustic noise.  
Controls and monitors up to 4 fans  
High and low frequency fan drive signal  
1 on-chip and 2 remote temperature sensors  
Series resistance cancellation on the remote channel  
Extended temperature measurement range, up to 191°C  
Dynamic TMIN control mode intelligently optimizes system  
acoustics  
Automatic fan speed control mode manages system  
cooling based on measured temperature  
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 ADT7468 also  
provides critical thermal protection to the system using the  
bidirectional THERM pin as an output to prevent system or  
component overheating.  
Enhanced acoustic mode dramatically reduces user  
perception of changing fan speeds  
Thermal protection feature via  
output  
THERM  
Monitors performance impact of Intel® Pentium  
Thermal control circuit via input  
®
4 processor  
THERM  
2-wire, 3-wire, and 4-wire fan speed measurement  
Limit comparison of all monitored values  
Meets SMBus 2.0 electrical specifications  
(fully SMBus 1.1-compliant)  
FUNCTIONAL BLOCK DIAGRAM  
SCL SDA SMBALERT  
VID5  
VID4  
VID3  
VID2  
VID1  
VID0  
ACOUSTIC  
ENHANCEMENT  
CONTROL  
SERIAL BUS  
INTERFACE  
ADDRESS  
POINTER  
REGISTER  
AUTOMATIC  
FAN SPEED  
CONTROL  
ACOUSTIC  
ENHANCEMENT  
CONTROL  
PWM1  
PWM2  
PWM3  
PWM REGISTERS  
AND  
CONTROLLERS  
HF & LF  
PWM  
CONFIGURATION  
REGISTERS  
DYNAMIC  
T
MIN  
TACH1  
TACH2  
TACH3  
TACH4  
CONTROL  
FAN SPEED  
COUNTER  
INTERRUPT  
MASKING  
PERFORMANCE  
MONITORING  
THERMAL  
PROTECTION  
THERM  
INTERRUPT  
STATUS  
REGISTERS  
V
TO ADT7468  
SRC  
CC  
V
ADT7468  
CC  
D1+  
D1–  
D2+  
D2–  
LIMIT  
COMPARATORS  
10-BIT  
ADC  
INPUT  
SIGNAL  
CONDITIONING  
AND  
VALUE AND  
LIMIT  
+5V  
+12V  
+2.5V  
IN  
IN  
IN  
BAND GAP  
REGISTERS  
REFERENCE  
ANALOG  
MULTIPLEXER  
V
CCP  
BAND GAP  
TEMP SENSOR  
GND  
Figure 1.  
©2010 SCILLC. All rights reserved.  
May 2010 – Rev. 3  
Publication Order Number:  
ADT7468/D  
1234567...81

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