Electronic Components Datasheet Search
  English  ▼

X  

Preview PDF HTML

EMC2102 Datasheet(PDF) 45 Page - SMSC Corporation

Part # EMC2102
Description  RPM-Based Fan Controller with HW Thermal Shutdown
PDF  52 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  SMSC [SMSC Corporation]
Direct Link  http://www.smsc.com
Logo SMSC - SMSC Corporation

EMC2102 Datasheet(HTML) 45 Page - SMSC Corporation

Back Button EMC2102 Datasheet HTML 41Page - SMSC Corporation EMC2102 Datasheet HTML 42Page - SMSC Corporation EMC2102 Datasheet HTML 43Page - SMSC Corporation EMC2102 Datasheet HTML 44Page - SMSC Corporation EMC2102 Datasheet HTML 45Page - SMSC Corporation EMC2102 Datasheet HTML 46Page - SMSC Corporation EMC2102 Datasheet HTML 47Page - SMSC Corporation EMC2102 Datasheet HTML 48Page - SMSC Corporation EMC2102 Datasheet HTML 49Page - SMSC Corporation Next Button
Zoom Inzoom in Zoom Outzoom out
 45 / 52 page
background image
RPM-Based Fan Controller with HW Thermal Shutdown
Datasheet
SMSC EMC2102
45
Revision 1.95 (10-19-06)
DATASHEET
Equation [3] shows the simplified translation of TACH Reading Register count to RPM assuming a 2-
pole fan, measuring 5 edges.
Note 6.2
If the LIMIT2K bit is set, the minimum fan speed that can be measured is approximately
1950RPM. Any fan speed lower than this value will be reported as FFh.
6.20
Product ID Register
The Product ID Register contains a unique 8 bit word that identifies the product.
6.21
Revision Register
The Revision Register contains a 8 bit word that identifies the die revision.
COUNT = TACH Reading Register
value (in decimal)
. [3]
Table 6.27 Example TACH Reading for Specific Fan Speeds
TACH READING REGISTER
LIMIT2K
RPM
F6h
0
500
FFh (Note 6.2)1
500
3Dh
0
2000
F5h
1
2000
0Fh
0
8000
3Dh
1
8000
07h
0
16000
1Eh
1
16000
Table 6.28 Product ID Register
ADDRESS
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT
FDh
Product ID
Register
(EMC2102-1)
0
0
0
1
0
1
0
0
14h
Table 6.29 Revision Register
ADDRESS
REGISTER
B7
B6
B5
B4
B3
B2
B1
B0
DEFAULT
FFh
Revision
0
0
0
0
0
0
0
0
00h
RPM
1
COUNT
---------------------- revolutions
() 32768 1
sec
---------
⎝⎠
⎛⎞
×
60
sec
min
----------
⎝⎠
⎛⎞
×
=



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52


Datasheet Download

Go To PDF Page


Link URL



Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Link to Datasheet    |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com