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ADT7475ARQZ-REEL PDF预览

ADT7475ARQZ-REEL

更新时间: 2024-02-27 03:44:06
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
58页 648K
描述
dBCOOL Remote Thermal Monitor and Fan Controller

ADT7475ARQZ-REEL 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Transferred零件包装代码:SSOP
包装说明:ROHS COMPLIANT, MO-137-AB, QSOP-16针数:16
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.29
模拟集成电路 - 其他类型:ANALOG CIRCUITJESD-30 代码:R-PDSO-G16
JESD-609代码:e3长度:4.9 mm
湿度敏感等级:1功能数量:1
端子数量:16最高工作温度:125 °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:SSOP16,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):260电源:3.3 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):3.6 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:AUTOMOTIVE端子面层:MATTE TIN
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:3.9116 mm

ADT7475ARQZ-REEL 数据手册

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ADT7475  
dBCOOLR Remote Thermal  
Monitor and Fan Controller  
The ADT7475 dBCOOL controller is a thermal monitor and  
multiple PWM fan controller for noisesensitive or powersensitive  
applications requiring active system cooling. The ADT7475 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.  
http://onsemi.com  
MARKING  
DIAGRAM  
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 THERM input. The ADT7475 also  
provides critical thermal protection to the system using the  
bidirectional THERM pin as an output to prevent system or  
component overheating.  
ADT7475  
ARQZ  
#YYWW  
QSOP16  
CASE 492  
Features  
#
= PbFree Package  
Controls and Monitors Up to 4 Fans  
YYWW = Date Code  
High and Low Frequency Fan Drive Signal  
1 OnChip and 2 Remote Temperature Sensors  
Extended Temperature Measurement Range, Up to 191°C  
Automatic Fan Speed Control Mode Controls System Cooling Based  
on Measured Temperature  
PIN ASSIGNMENT  
SCL  
16 SDA  
15 PWM1/XTO  
1
2
3
4
5
6
7
8
Enhanced Acoustic Mode Dramatically Reduces User Perception of  
Changing Fan Speeds  
GND  
V
14  
13  
V
CCP  
CC  
Thermal Protection Feature via THERM Output  
Monitors Performance Impact of Intel PentiumR 4 Processor  
Thermal Control Circuit via THERM Input  
3Wire and 4Wire Fan Speed Measurement  
Limit Comparison of All Monitored Values  
TACH3  
D1+  
ADT7475  
PWM2/  
SMBALERT  
TOP VIEW  
12 D1–  
11 D2+  
10 D2–  
TACH1  
TACH2  
TACH4/GPIO/THERM  
SMBALERT  
9
PWM3  
Meets SMBus 2.0 Electrical Specifications  
(Fully SMBus 1.1 Compliant)  
This is a PbFree Device  
Fully RoHS Compliant  
ORDERING INFORMATION  
See detailed ordering and shipping information in the package  
dimensions section on page 57 of this data sheet.  
© Semiconductor Components Industries, LLC, 2009  
1
Publication Order Number:  
June, 2009 Rev. 4  
ADT7475/D  

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