EMC6D102-CZC-TR SMSC, EMC6D102-CZC-TR Datasheet - Page 42
EMC6D102-CZC-TR
Manufacturer Part Number
EMC6D102-CZC-TR
Description
Industrial Temperature Sensors Auto Fan Contrllr Up to 4 Fans
Manufacturer
SMSC
Datasheet
1.EMC6D102-CZC-TR.pdf
(86 pages)
Specifications of EMC6D102-CZC-TR
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Revision 0.4 (09-25-07)
FREQUENCY
FREQUENCY
PWM
PWM
(HZ)
(HZ)
29.3
21.9
14.6
87.7
58.6
35.2
29.3
21.9
14.6
44
11
11
Table 6.3 Minimum RPM Detectable Using 3 Edges – No PWM Stretching (continued)
Note 6.3
Note 6.4
Note 6.5
Note 6.6
Table 6.4 Minimum RPM Detectable Using 2 Edges – No PWM Stretching
(MSEC)
(MSEC)
11.42
17.12
22.73
17.12
22.73
11.42
25%
8.53
25%
2.85
4.27
5.68
8.53
PULSE WIDTH AT DUTY CYCLE
PULSE WIDTH AT DUTY CYCLE
7.1
100% duty cycle is 255/256.
RPM=60/T
(PWM ”ON” Time – Guard Time). Minimum RPM values shown use minimum guard time
(88.88usec).
100% duty cycle is 255/256
RPM=60/T
2*(PWM ”ON” Time-Guard Time). Minimum RPM values shown use minimum guard time
(88.88usec).
(PWM ”ON” TIME)
(PWM ”ON” TIME)
(MSEC)
(MSEC)
17.06
22.83
34.25
45.45
Revolution
Revolution
50%
17.06
22.83
34.25
45.45
11.36
50%
8.53
14.2
5.7
Fan Control Device with Hardware Monitoring and Acoustic Noise Reduction Features
, T
, T
TachPulse
TachPulse
DATASHEET
(Note
(Note
(MSEC)
(MSEC)
100%
45.48
68.23
90.55
100%
22.64
45.48
68.23
90.55
11.36
34
28.3
17
34
6.3)
= T
= T
42
6.5)
Revolution
Revolution
MINIMUM RPM AT DUTY CYCLE
MINIMUM RPM AT DUTY CYCLE
3554
2648
1761
1325
/2. Using 3 edges for detection, T
/2. Using 2 edges for detection, T
25%
5433
3588
2683
2139
1777
1324
25%
881
663
(30/T
(30/T
1768
1319
50%
878
661
2673
1777
1331
1063
50%
TachPulse
660
TachPulse
884
439
331
)
)
SMSC EMC6D102
(Note
(Note
100%
885
661
440
332
100%
1331
TachPulse
887
665
532
442
330
220
166
TachPulse
Datasheet
6.4)
6.6)
=
=
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