THMC50_08 Datasheet, PDF (30/34 Pages) Texas Instruments – REMOTE/LOCAL TEMPERATURE MONITOR AND FAN CONTROLLER WITH SMBus INTERFACE

THMC50
REMOTE/LOCAL TEMPERATURE MONITOR AND
FAN CONTROLLER WITH SMBus INTERFACE
SLIS090 – JULY 1999
TYPICAL CHARACTERISTICS
VCC3AUX
Embedded
Controller
With
SMBus
C1
0.1 µF
C2
10 µF
R6
10 kΩ
AUXRST
VCC3AUX
5
3
VCC3 R7
10 kΩ
RST
7
MR
2
VCC3
6
C3
0.1 µF
VCC3
C4
10 µF
+12V
FAN_SPD/NTEST_IN
8
+
_
LM324
VCC3AUX _R8
GPI
12
10 kΩ
THERM
11
VCC3AUX R9
10 kΩ
INT
14
VCC3AUX R10
10 kΩ
VCC3AUX R11
10 kΩ
SCL
SDA
15
16
13
ADD/NTEST_OUT
THMC50
+5 V
FAN_OFF
1
R3
10 kΩ
REMOTE_DIODE+
10
REMOTE_DIODE–
9
4
GND
C5
2200 pF
+12V
Q1
2N2219A
R1
36 kΩ
R2
10 kΩ
M1
MMFT3055EL
B14
Pentium^®
B15 _Intel®
R4
300 kΩ
R5
10 kΩ
VCC3AUX
Figure 23. Typical Application Schematic
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