THMC50_08 Datasheet, PDF (13/34 Pages) Texas Instruments – REMOTE/LOCAL TEMPERATURE MONITOR AND FAN CONTROLLER WITH SMBus INTERFACE

FAN_SPD/NTEST_IN
THMC50
REMOTE/LOCAL TEMPERATURE MONITOR AND
FAN CONTROLLER WITH SMBus INTERFACE
SLIS090 – JULY 1999
+12 V
R3
100 kΩ
+12 V
–
+ _LM324
Q1
IRF9620
R1
39 kΩ
R2
10 kΩ
Figure 8. External Fan Drive Circuit Using 1/4 LM324 and P-Channel FET, Single Supply
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