EMC2113 datasheet(86/88 Pages) MICROCHIP

86 / 88 page

RPM-Based Fan Controller with Multiple Temperature Zones & Hardware Thermal Shutdown

Datasheet

DS20005251A-page 86

 2013 Microchip Technology Inc.

Datasheet Revision History

Revision History

REVISION LEVEL & DATE

SECTION/FIGURE/ENTRY

CORRECTION

REV A

Replaces the previous SMSC version Rev. 1.2

Rev. 1.2 (10-08-09)

Chapter 8, Typical

Operating Curves

Added chapter.

Rev. 1.1 (07-21-09)

Section 6.1.1, "SYS_SHDN

Pin"

Added section to describe SYS_SHDN pin

operation.

Section 6.12, "ALERT Pin"

Added section to describe ALERT pin operation.

Cover and Features

Updated text to include ALERT pin and

temperature limits

General Description

Modified bullet under “Temperature Look-Up Table”

from: “Allows programmed fan response to

temperature”

to: “Allows external PWM input (50Hz-40kHz) as

an additional temperature input”

Rev. 1.1 (05-22-09)

Table 4.2, "Electrical

Specifications"

“Tachometer Setting Accuracy” changed to “RPM

Control Accuracy”

Value in MAX Column changed from: “+/- 3%”

to: “+/- 2%”

Rev. 1.1 (05-15-09)

Table 4.1, "Absolute

Maximum Ratings"

Updated table for 5V tolerant pins issue

Table 4.3, "SMBus Electrical

Specifications"

Updated electrical specifications for supply current

Section 7.40, "Revision

Updated revision history

Appendix B “RPM to

Tachometer Count Look Up

Tables”

Removed Appendix B and added reference to

AN17.4 RPM to TACH Counts Conversion, which

includes more information.

Rev. 1.0 (02-11-09)

Initial release of datasheet

EMC2113 データシート(PDF) 86 Page - Microchip Technology

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