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MAX31785ETL PDF预览

MAX31785ETL

更新时间: 2024-02-06 04:22:56
品牌 Logo 应用领域
美信 - MAXIM 风扇控制器
页数 文件大小 规格书
48页 1243K
描述
6-Channel Intelligent Fan Controller

MAX31785ETL 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:QFN
包装说明:HVQCCN, LCC40,.24SQ,20针数:40
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:1.36
模拟集成电路 - 其他类型:ANALOG CIRCUITJESD-30 代码:S-XQCC-N40
JESD-609代码:e3长度:6 mm
湿度敏感等级:1功能数量:1
端子数量:40最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:UNSPECIFIED
封装代码:HVQCCN封装等效代码:LCC40,.24SQ,20
封装形状:SQUARE封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度(摄氏度):260电源:3/5 V
认证状态:Not Qualified座面最大高度:0.8 mm
子类别:Motion Control Electronics最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):2.7 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:Matte Tin (Sn)端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:30宽度:6 mm
Base Number Matches:1

MAX31785ETL 数据手册

 浏览型号MAX31785ETL的Datasheet PDF文件第2页浏览型号MAX31785ETL的Datasheet PDF文件第3页浏览型号MAX31785ETL的Datasheet PDF文件第4页浏览型号MAX31785ETL的Datasheet PDF文件第5页浏览型号MAX31785ETL的Datasheet PDF文件第6页浏览型号MAX31785ETL的Datasheet PDF文件第7页 
19-5703; Rev 0; 12/10  
6-Channel Intelligent Fan Controller  
General Description  
Features  
S Six Independent Channels of Fan Control  
The MAX31785 is a closed-loop multichannel fan con-  
troller. Automatic closed-loop fan control saves system  
power by operating the fans at the lowest possible  
speeds. Added benefits of slower fan speeds include  
lower audible noise, longer fan life, and reduced system  
maintenance. Based on a user-programmable lookup  
table (LUT), the device automatically adjusts the speeds  
of the six independent fans based on one or more of the  
11 available temperature sensors. Alternately, an exter-  
nal host can manually command the fan speeds and the  
device automatically adjusts the fan speeds. The device  
contains a fan-health-diagnostic function to help users  
predict impending fan failures. The device can also  
monitor up to six remote voltages.  
Supports 3-Wire and 4-Wire Fans  
Automatic Closed-Loop Fan Speed Control  
RPM- or PWM-Based Control  
Optional Manual Mode Control  
Fast and Slow PWM Frequency Options  
Staggered Fan Spin-Up Eases Power-Supply  
Stress  
Dual Tachometer (12-Fan Support)  
Fan-Fault Detection  
Fan-Health Status Meter  
Nonvolatile Fan Operating Run Time Meter  
S Supports Up to 11 Temperature Sensors  
Up to Six External Thermal Diodes with  
Automatic Series Resistance Cancellation  
One Internal Temperature Sensor  
Applications  
Network Switches/Routers  
Base Stations  
2
Up to Four I C Digital Temperature Sensors  
Fault Detection on All Temperature Sensors  
S Available 6-Channel ADC to Measure Remote  
Servers  
Voltages  
Smart Grid Network Systems  
Industrial Controls  
S PMBus™-Compliant Command Interface  
2
S I C/SMBus™-Compatible Serial Bus with Bus  
Timeout Function  
Ordering Information  
S On-Board Nonvolatile Fault Logging and Default  
PART  
TEMP RANGE  
-40NC to +85NC  
-40NC to +85NC  
PIN-PACKAGE  
40 TQFN-EP*  
40 TQFN-EP*  
Configuration Setting  
MAX31785ETL+  
MAX31785ETL+T  
S No External Clocking Required  
S +3.3V Supply Voltage  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
T = Tape and reel.  
*EP = Exposed pad.  
PMBus is a trademark of SMIF, Inc.  
SMBus is a trademark of Intel Corp.  
Note: Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device  
may be simultaneously available through various sales channels. For information about device errata, go to: www.maxim-ic.com/errata.  
_______________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  

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