EMC2112 Datasheet, PDF (39/65 Pages) SMSC Corporation – RPM-Based Linear Fan Controller with Hardware Thermal Shutdown

RPM-Based Linear Fan Controller with Hardware Thermal Shutdown
Datasheet
Table 6.8 Ideality Factor Look-Up Table
SETTING
10h
11h
12h
13h
14h
15h
16h
17h
FACTOR
1.0053
1.0066
1.0080
1.0093
1.0106
1.0119
1.0133
1.0146
Table 6.9 Substrate Diode Ideality Factor Look-Up Table (BJT Model)
SETTING
10h
11h
12h
13h
14h
15h
16h
17h
FACTOR
0.9973
0.9986
1.0000
1.0013
1.0026
1.0039
1.0053
1.0066
APPLICATION NOTE: When measuring a 65nm Intel CPUs, the Ideality Setting should be the default 12h. When
measuring 45nm Intel CPUs, the Ideality Setting should be 15h.
6.6
Beta Configuration Registers
ADDR
14h
15h
Table 6.10 Beta Configuration Registers
R/W
REGISTER
B7 B6 B5
B4
External Diode 1
R/W
Beta
-
Configuration
-
-
AUTO
1
External Diode 2
R/W
Beta
-
Configuration
-
-
AUTO
2
B3
B2 B1 B0
BETA1[3:0]
BETA2[3:0]
DEFAULT
10h
10h
SMSC EMC2112
39
DATASHEET
Revision 0.88 (11-20-09)