EMC2113-1-AP-TR SMSC, EMC2113-1-AP-TR Datasheet

EMC2113-1-AP-TR

Manufacturer Part Number

EMC2113-1-AP-TR

Description

Industrial Temperature Sensors RPM B Fan Controller w/Multi Temp Zone

Manufacturer

SMSC

Datasheet

1.EMC2113-1-AP-TR.pdf (5 pages)

Specifications of EMC2113-1-AP-TR

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

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PRODUCT FEATURES

General Description

The EMC2113 is an SMBus compliant fan controller.

The fan driver can be operated using two methods, each

with two modes. The methods include an RPM-based

Fan Speed Control Algorithm and a direct PWM drive

setting. The modes include manually programming the

desired settings or using the internal programmable

temperature look-up table to select the desired setting

based on measured temperature.

The EMC2113 includes a temperature monitor that

measures up to three (3) external diodes and the

internal diode. The temperature monitors offer 1°C

accuracy (for external diodes) with sophisticated

features to reduce errors introduced by series resistance

and beta variation of substrate thermal diode transistors

commonly found in processors.

The device includes high and low limits for all

temperature channels as well as a hardware set critical

temperature limit. This hardware set limit drives a

dedicated system shutdown pin.

Finally, the device includes an open-drain, active low

interrupt pin to flag temperature or fan control errors.

Applications

SMSC EMC2113

Notebook Computers

Projectors

Graphics Cards

Industrial and Networking Equipment

PRODUCT PREVIEW

RPM-Based Fan Controller

with Multiple Temperature

Zones & Hardware Thermal

Shutdown

Features

Programmable Fan Control circuit

RPM-based fan control algorithm

Temperature Look-Up Table

Up to Three External Temperature Channels

Hardware Programmable Thermal Shutdown

Internal Temperature Monitor

3.3V Supply Voltage

Open drain interrupt pin

SMBus 2.0 Interface

Available in 16-pin 4mm x 4mm QFN Lead-free

— 4-wire fan compatible

— Both Low and High frequency PWM

— 2% accurate from 500 RPM to 16k RPM

— Automatic Tachometer feedback

— Controls fan speed or PWM drive setting

— Eight steps that incorporate up to four temperature

— Supports forced DTS or standard temperature data

— Allows external PWM input (150Hz to 40kHz)

— Supports transistor model for 90nm - 45nm Intel CPUs

— Resistance Error Correction and Beta Compensation

— 1°C accurate (60°C to 125°C)

— 0.125°C resolution

— Programmable High and Low limits

Temperature

— Cannot be altered by software

— 65°C to 127°C Range

— Dedicated system shutdown interrupt pin

— ±1°C accuracy

— 0.125°C resolution

— SMBus Alert compatible

— Selectable SMBus Address via pull-up resistor and

— Block Read and Write

RoHS Compliant package

EMC2113

zones simultaneously (user selectable)

ADDR_SEL pin

Revision 1.2 (10-08-09)

Data Brief

Related parts for EMC2113-1-AP-TR

EMC2113-1-AP-TR Summary of contents

Page 1

... PRODUCT FEATURES General Description The EMC2113 is an SMBus compliant fan controller. The fan driver can be operated using two methods, each with two modes. The methods include an RPM-based Fan Speed Control Algorithm and a direct PWM drive setting. The modes include manually programming the ...

Page 2

... ORDERING NUMBER EMC2113-1-AP-TR This product meets the halogen maximum concentration values per IEC61249-2-21 For RoHS compliance and environmental information, please visit 80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000, FAX (631) 273-3123 Copyright © 2009 SMSC or its subsidiaries. All rights reserved. Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete information sufficient for construction purposes is not necessarily given ...

Page 3

... TACH Tach SMSC EMC2113 Thermal Shutdown Logic Temp Limit Registers 11 bit Σ Δ ADC Temp Registers Configuration Lookup Table / RPM Control Figure 1 EMC2113 Block Diagram 3 PRODUCT PREVIEW ADDR_SEL SMCLK SMBus SMDATA Slave Interface ALERT PWM PWM_IN Detect Revision 1.2 (10-08-09) ...

Page 4

... Package Outline EMC2113 Package Information Figure 2 16-Pin QFN 4mm x 4mm Package Dimensions Figure 3 16-Pin QFN 4mm x 4mm PCB Footprint Revision 1.2 (10-08-09) RPM-Based Fan Controller with Multiple Temperature Zones & Hardware Thermal Shutdown 4 PRODUCT PREVIEW SMSC EMC2113 ...

Page 5

Figure 4 16-Pin QFN 4mm x 4mm Package Drawing ...

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