EMC6D103-CK SMSC [SMSC Corporation], EMC6D103-CK Datasheet - Page 87
EMC6D103-CK
Manufacturer Part Number
EMC6D103-CK
Description
FAN CONTROL DEVICE WITH HIGH FREQUENCY PWM
Manufacturer
SMSC [SMSC Corporation]
Datasheet
1.EMC6D103-CK.pdf
(89 pages)
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Fan Control Device with High Frequency PWM Support and Hardware Monitoring Features
Datasheet
Appendix B Example Fan Circuits
SMSC EMC6D103
PWMx
The following figures show examples of circuitry on the board for the PWM outputs, tachometer inputs,
and remote diodes. Figure B.1, "Fan Drive Circuitry (Apply to PWM Driving Two Fans)" 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
Figure B.1 Fan Drive Circuitry (Apply to PWM Driving Two Fans)
additional components.
3.3V
1k
2.2k
3.3V
MMBT3904
DATASHEET
87
MMBT2222
MMBT2222
Revision 0.4 (04-04-05)
M
M
Fan1
Fan2
12V
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