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EMC2104 Fiches technique(PDF) 12 Page - SMSC Corporation

No de pièce EMC2104
Description  Dual RPM-Based PWM Fan Controller with Hardware Thermal Shutdown
PDF  101 Pages
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Fabricant  SMSC [SMSC Corporation]
Site Internet  http://www.smsc.com
Logo SMSC - SMSC Corporation

EMC2104 Fiches technique(HTML) 12 Page - SMSC Corporation

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Dual RPM-Based PWM Fan Controller with Hardware Thermal Shutdown
Datasheet
Revision 1.74 (05-08-08)
12
SMSC EMC2104
DATASHEET
11
TACH2 / GPIO2
TACH2 - Tachometer input for Fan 2
(default)
DI (5V)
GPI2 - General Purpose Input
DI (5V)
GPO2 - General Purpose push-pull
Output
DO
GPO2 - General Purpose open drain
Output
OD (5V)
12
TACH1
Tachometer input for Fan 1
DI (5V)
13
PWM1
PWM1 - Open Drain PWM drive output for
Fan 1
(default)
OD (5V)
PWM1 - Push-Pull PWM drive output for
Fan 1
DO
14
n/c
Not Internally Connected
N/A
15
TRIP_SET / VIN4
TRIP_SET - Determines HW Shutdown
temperature features for the hardware
shutdown channel
AI (2V)
VIN4 - General voltage input when
Thermal / Critical shutdown disabled
AI (2V)
16
SHDN_SEL
Determines HW Shutdown temperature
features and measurement channel
AIO
17
DN3 / DP4 / VIN3
DN3 / DP4 - Negative (cathode) analog
input for External Diode 3 and positive
(anode) Analog Input for External Diode 4
(default)
AIO (2V)
VIN3 - General voltage input for use with
a thermistor
AI (2V)
18
DP3 / DN4 / VREF_T3
DP3 / DN4 - Positive (anode) analog input
for External Diode 3 and negative
(cathode) analog input for External Diode
4
(default)
AIO (2V)
VREF_T3 - Reference output for use with
a thermistor and to drive VIN3
AO (2V)
19
DN2 / VIN2
DN2 - Negative (cathode) analog input for
External Diode 2
(default)
AIO (2V)
VIN2 - General voltage input for use with
a thermistor
AI (2V)
20
DP2 / VREF_T2
DP2 - Positive (anode) analog input for
External Diode 2
(default)
AIO (2V)
VREF_T2 - Reference output for use with
a thermistor and to drive VIN2
AO (2V)
Table 2.1 Pin Description for EMC2104 (continued)
PIN NUMBER
EMC2104
PIN NAME
PIN FUNCTION
PIN TYPE



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