EMC6D102-CZC View Datasheet(PDF) - SMSC -> Microchip
Part Name
Description
MFG CO.
EMC6D102-CZC
SMSC -> Microchip
'EMC6D102-CZC' PDF : 86 Pages View PDF
Fan Control Device with Hardware Monitoring and Acoustic Noise Reduction Features
Datasheet
Appendix B Example Fan Circuits
The following figures show examples of circuitry on the board for the PWM outputs, tachometer inputs,
and remote diodes. Figure B.1 shows how the part can be used to control four fans by connecting two
fans to one PWM output.
Note: These examples represent the minimum required components. Some designs may require
additional components.
12
3.3V
3.3V
V
PWMx
1k
2.2k
MMBT3904
10
10
M
MMBT2222
Fan1
Empty
M
MMBT2222
Fan2
Empty
Figure B.1 Fan Drive Circuitry (Apply to PWM Driving Two Fans)
3.3V
PWMx
470
0
12V
MMBT2222
Fan
M
Empty
SMSC EMC6D102
Figure B.2 Fan Drive Circuitry (Apply to PWM Driving One Fan)
85
DATASHEET
Revision 0.4 (04-05-05)
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