emc2104 Standard Microsystems Corp., emc2104 Datasheet - Page 24

• Manufacturer Part Number: emc2104
• Description: Emc2104 Dual Rpm-based Pwm Fan Controller With Hardware Thermal Shutdown
• Manufacturer: Standard Microsystems Corp.

APPLICATION NOTE: The TRIP_SET / VIN4 pin circuitry is designed to use a 1% resistor externally. Using a 1%
Revision 1.74 (05-08-08)
LOW RANGE
T
TRIP
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
(°C)
HIGH RANGE
T
resistor will result in the Thermal / Critical Shutdown temperature being decoded correctly. If
a 5% resistor is used, then the Thermal / Critical Shutdown temperature may be decoded
with as much as ±1°C error.
TRIP
V
100
101
102
103
104
105
106
107
108
109
110
112
113
114
111
92
93
94
95
96
97
98
99
TRIP
(°C)
=
T
----------------------------------
TRIP
Table 5.2 TRIP_SET Resistor Setting
80
RSET (1%)
–
T
28.7
48.7
69.8
90.9
137
158
182
210
237
261
294
324
348
383
412
453
487
523
562
604
649
MIN
113
0.0
DATASHEET
Dual RPM-Based PWM Fan Controller with Hardware Thermal Shutdown
24
LOW RANGE
T
TRIP
100
101
102
103
104
105
106
107
108
109
110
112
113
114
111
92
93
94
95
96
97
98
99
(°C)
temperature based on the
HIGH RANGE
V
T
T
TRIP
TRIP
MIN
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
is the TRIP_SET
is the minimum
(°C)
voltage
range
RSET (1%)
SMSC EMC2104
1240
1330
1400
1500
1580
1690
1820
1960
2050
2210
2370
2550
2740
2940
3160
3480
3740
4120
4530
4990
5490
6040
6810
Datasheet
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