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ADM1029 PDF预览

ADM1029

更新时间: 2024-11-18 11:52:15
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
50页 1323K
描述
Dual PWM Fan Controller and Temperature Monitor for High Availability Systems

ADM1029 数据手册

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Dual PWM Fan Controller and Temperature  
Monitor for High Availability Systems  
ADM1029*  
FEATURES  
Supports Hot Swapping of Fans  
Software Programmable and Automatic Fan Speed  
Control  
Cascadable Fault Output Allows Fault Signaling  
between Multiple ADM1029s  
Automatic Fan Speed Control Allows Control  
Independent of CPU Intervention after Initial Setup  
Control Loop Minimizes Acoustic Noise and Power  
Consumption  
Address Pin Allows Up to Eight ADM1029s in A System  
Small 24-Lead QSOP Package  
APPLICATIONS  
Network Servers and Personal Computers  
Microprocessor-Based Office Equipment  
High Availability Telecommunications Equipment  
Remote and Local Temperature Monitoring  
Dual Fan Speed Measurement  
Supports Backup and Redundant Fans  
FUNCTIONAL BLOCK DIAGRAM  
V
CC  
SCL  
SDA  
SERIAL BUS  
INTERFACE  
ADM1029  
ADDRESS POINTER  
REGISTER  
SLAVE ADDRESS  
REGISTER  
INTERRUPT MASK  
REGISTERS  
INT  
INTERRUPT  
MASKING  
PRESENT1  
FAULT1  
FAN 1 STATUS  
REGISTER  
INTERRUPT STATUS  
REGISTERS  
CFAULT  
FAN 1 MIN  
SPEED REGISTER  
PWM  
CONTROLLER  
FAN 1 ALARM  
SPEED REGISTER  
LIMIT COMPARATOR  
DRIVE1  
FAN 1 HOT-PLUG  
SPEED REGISTER  
RESET  
VALUE AND LIMIT  
REGISTERS  
GPIO2  
TACH1  
TACH2  
G.P. I/O REGISTER  
FAN SPEED  
COUNTER  
PRESENT2  
FAN 2 STATUS  
REGISTER  
AIN1/GPIO1  
AIN0/GPIO0  
D2+/GPIO6  
D2–/GPIO5  
FAULT2  
FAN 2 MIN  
SPEED REGISTER  
ADC  
REMOTE SENSOR  
SIGNAL  
CONDITIONING  
FAN 2 ALARM  
SPEED REGISTER  
ANALOG  
MUX  
PWM  
CONTROLLER  
DRIVE2  
D1+/GPIO4  
D1–/GPIO3  
BANDGAP  
REFERENCE  
FAN 2 HOT-PLUG  
SPEED REGISTER  
TMIN/INSTALL  
BANDGAP  
TEMP SENSOR  
ADD  
GND  
*Protected by U.S. Patent Numbers 6,255,973 and 6,188,189  
Publication Order Number:  
©2009 SCILLC. All rights reserved.  
ADM1029/D  
January 2009 - Rev. 1  

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