Datasheet

 2001-2012 Microchip Technology Inc. DS21440D-page 7
TC622/TC624
FIGURE 4-2: TC624 As A Fan Controller
for Notebook PC
FIGURE 4-3: TC622 As A Heater
Thermostat
TC624
R
SET
+2.7 to 4.5V +12V
T
SET
GND
V
DD
OUT
NC
N-Channel
Logic Level
MOSFET
DC Fan
OUT
NC
NC
1
3
4
5
6
7
8
Temperature
OUT
Fan "On"
T
SET
– 2 C
T
SET
+
2
TC622
R
SET
+4.5 to 18.0V
+12V
T
SET
GND
V
DD
OUT
NC
N-Channel
Level Logic
MOSFET
OUT
1
2
4
5
6
7
8
NC
NC
Temperature
OUT
Heater "On"
T
SET
– 2 C
T
SET
Heater