EMC2300-AZC datasheet(1/82 Pages) SMSC

Part #	EMC2300-AZC

Description	Fan Control Device with High Frequency PWM and Temperature Monitors

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Manufacturer	SMSC [SMSC Corporation]

Direct Link	http://www.smsc.com

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SMSC EMC2300

DATASHEET

Revision 0.32 (06-23-08)

Datasheet

PRODUCT FEATURES

EMC2300

Fan Control Device with

High Frequency PWM and

Temperature Monitors

3.3 Volt Operation (5 Volt Tolerant Input Buffers)

SMBus 2.0 Compliant Interface (Fixed, not

Discoverable) with Three Slave Address Options

Fan Control

—

PWM (Pulse width Modulation) Outputs (3)

—

Fan Tachometer Inputs (4)

—

Programmable automatic fan control based on

temperature

—

Backwards compatible with fans requiring lower

frequency PWM drive

—

High frequency fan support for 4 wire fans

—

One fan can be controlled from as many as 3

temperature zones

—

Fan ramp rate control for acoustic noise reduction

Power Savings Modes

—

Two monitoring modes: continuous or cycling (for power

savings)

—

Two low power modes when monitoring if off: Sleep and

Shutdown

Temperature Monitor

—

Monitoring of Two Remote Thermal Diodes (+/- 3 deg

C accuracy)

—

Internal Ambient Temperature Measurement

—

Limit Comparison of all Monitored Values

—

Interrupt Pin for out-of-limit Temperature Indication

Voltage Monitor

—

Monitors VCC and VCCP

—

Limit Comparison of all Monitored Values

—

Interrupt Pin for out-of-limit Voltage Indication

XOR Tree Test Mode

16-Pin SSOP Lead-Free RoHS Compliant Package

ORDER NUMBERS:

EMC2300-AZC FOR 16 PIN, SSOP LEAD-FREE ROHS COMPLIANT PACKAGE

EMC2300-AZC-TR FOR 16 PIN, SSOP LEAD-FREE ROHS COMPLIANT PACKAGE (TAPE AND REEL)

2,800 UNITS FOR 13 INCH REEL, 97 UNITS PER TUBE

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EMC2300-AZC Datasheet(PDF) 1 Page - SMSC Corporation

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