EMC2102-DZK-TR SMSC, EMC2102-DZK-TR Datasheet - Page 22
EMC2102-DZK-TR
Manufacturer Part Number
EMC2102-DZK-TR
Description
Industrial Temperature Sensors RPM Fan Contrllr
Manufacturer
SMSC
Datasheet
1.EMC2102-DZK-TR.pdf
(53 pages)
Specifications of EMC2102-DZK-TR
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Revision 2.02 (05-17-07)
M a inta in F a n D riv e
The EMC2102’s RPM based Fan Control Algorithm has programmable configuration settings for
parameters such as ramp-rate control and spin up conditions. The fan driver automatically detects and
attempts to alleviate a stalled/stuck fan condition while also asserting the ALERT# pin. The EMC2102
works with fans that operate up to 16,000 RPMs and provide a valid tachometer signal. The fan
controller will function either with an externally supplied 32.768KHz clock source or with it’s own
internal 32.768KHz oscillator depending on the required accuracy.
R e d u ce F a n D rive
Y e s
Y e s
Figure 5.2 RPM based Fan Control Algorithm
M e a su re F a n S p e e d
S e t T A C H T a rge t
N o
R ea d in g =
R ea d in g <
R e q u ire d
S pin U p
T arg e t?
T arg e t?
T A C H
T A C H
T A C H
T A C H
C o u nt
?
DATASHEET
N o
In c re a se F an D rive
22
Y e s
N o
RPM-Based Fan Controller with HW Thermal Shutdown
P erform S p in U p
R o u tin e
R a m p R a te C o n trol
SMSC EMC2102
Datasheet
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