EMC2302 Standard Microsystems Corp., EMC2302 Datasheet - Page 5
EMC2302
Manufacturer Part Number
EMC2302
Description
Rpm-based Pwm Fan Controller
Manufacturer
Standard Microsystems Corp.
Datasheet
1.EMC2302.pdf
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Dual RPM-Based PWM Fan Controller
Datasheet
List of Figures
Figure 1.1 EMC2302 Pin Diagram (10-Pin MSOP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 3.1 SMBus Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Figure 4.1 System Diagram of EMC2302 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 4.2 Spin Up Routine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 4.3 Ramp Rate Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 7.1 EMC2302 Package Drawing - 10-Pin MSOP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Figure 7.2 EMC2302 Package Markings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
SMSC EMC2302
5
Revision 1.2 (03-22-10)
DATASHEET
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