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EMC2103 参数 Datasheet PDF下载

EMC2103图片预览
型号: EMC2103
PDF下载: 下载PDF文件 查看货源
内容描述: 基于RPM的风扇控制器硬件过热关机 [RPM-Based Fan Controller with HW Thermal Shutdown]
分类和应用: 风扇控制器
文件页数/大小: 84 页 / 1193 K
品牌: SMSC [ SMSC CORPORATION ]
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RPM-Based Fan Controller with HW Thermal Shutdown  
Datasheet  
Table A.6 Fan Speed Control Table Example #2 (continued)  
EXTERNAL  
EXTERNAL  
DIODE 2  
TEMPERATURE  
(GPU)  
FAN  
SPEED  
STEP #  
DIODE 1  
TEMPERATURE  
(CPU)  
PUSHED  
TEMPERATURE  
SETTING (DTS1)  
PUSHED  
TEMPERATURE  
SETTING (DTS2)  
TACH  
TARGET  
09h  
(6826 RPM)  
7
8
90oC  
105oC  
110oC  
80oC  
85oC  
80oC  
08h  
(7680 RPM)  
100oC  
100oC  
Note: The values shown in Table A.6 are example settings. All the cells in the look-up table are  
programmable via SMBus.  
Table A.7 Fan Speed Determination for Example #2 (using settings in Table A.6)  
EXTERNAL  
DIODE 1  
TEMPERATURE TEMPERATURE  
EXTERNAL  
DIODE 2  
PUSHED  
TEMPERATURE  
(DTS1)  
PUSHED  
TEMPERATURE  
(DTS2)  
(CPU)  
(GPU)  
PWM RESULT  
0Ch (5120 RPM) -  
CPU requires highest  
target  
35°C  
50°C  
Example 1:  
Example 2:  
75°C  
75°C  
(translated as 65°C) (translated as 50°C)  
15°C  
20°C  
08h (7680 RPM) -  
DTS1 requires  
highest target  
75°C  
75°C  
90°C  
(translated as  
(translated as 80°C)  
85°C)  
5°C  
09h (6826 RPM) -  
DTS2 requires  
highest target  
30°C  
Example 3:  
97.25°C  
(translated as  
(translated as 70°C)  
95°C)  
SMSC EMC2103  
Revision 0.85 (01-29-08)  
DATA7S9HEET