EMC2102 Standard Microsystems Corporation, EMC2102 Datasheet - Page 7
EMC2102
Manufacturer Part Number
EMC2102
Description
Rpm-based Fan Controller with HW Thermal Shutdown
Manufacturer
Standard Microsystems Corporation
Datasheet
1.EMC2102.pdf
(52 pages)
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RPM-Based Fan Controller with HW Thermal Shutdown
Datasheet
Chapter 1 Block Diagram
SMSC EMC2102
TRIP_SET
DP1
DN1
DP2
DN2
DP3
DN3
External
Diodes
Internal
Temp
Temp
Diode
Fan Driver
8-bit DAC
High Side
Analog
Mux
Figure 1.1 EMC2102 Block Diagram
Critical / Thermal
Shutdown Logic
Fan Control
Algorithms
Reference
Automatic
Bandgap
Monitor
TACH
11 bit Σ Δ
ADC
DATASHEET
7
VDD_5V
Ext. Temp Registers
Voltage Reading
Ext Temp
Registers
Temperature
Converison
Limit
Voltage ->
Generator
Reset
Protocol
Register
Set and
SMBus
Slave
Logic
Revision 1.95 (10-19-06)
SMCLK
SMDATA
ALERT#
POWER_OK
FAN_MODE
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