EMC2302-1-AIZL-TR SMSC, EMC2302-1-AIZL-TR Datasheet

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EMC2302-1-AIZL-TR

Manufacturer Part Number
EMC2302-1-AIZL-TR
Description
Industrial Temperature Sensors Dual RPM-Based PWM Fan Speed Controller
Manufacturer
SMSC
Datasheet

Specifications of EMC2302-1-AIZL-TR

Lead Free Status / Rohs Status
Lead free / RoHS Compliant
PRODUCT FEATURES
General Description
The EMC2302 is an SMBus compliant fan controller with
up to two independently controlled PWM fan drivers.
Each fan driver is controlled by a programmable
frequency PWM driver and Fan Speed Control algorithm
that operates in either a closed loop fashion or as a
directly PWM-controlled device.
The closed loop Fan Speed Control algorithm (FSC) has
the capability to detect aging fans and alert the system.
It will likewise detect stalled or locked fans and trigger
an interrupt.
Additionally, the EMC2302 offers a clock output so that
multiple devices may be chained and slaved to the
same clock source for optimal performance in large
distributed systems.
Applications
SMSC EMC2302
Servers
Projectors
Industrial and Networking Equipment
Notebook Computers
TACH1
TACH2
PWM1
PWM2
CLK
Drivers
Measurement
PWM
Tach
Fan Speed Control Algorithm
Fan Speed Control Algorithm
PRODUCT PREVIEW
Tachometer
Block Diagram
Registers
Limit
Features
Two Programmable Fan Control circuits (EMC2302)
Watchdog Timer
RPM-based fan control algorithm
SMBus 2.0 Compliant
CLK Pin can provide a clock source output
Available in a 10-pin MSOP Lead-free RoHS
— 4-wire fan compatible
— High speed PWM (26 kHz)
— Low speed PWM (9.5Hz - 2240 Hz)
— Optional detection of aging fans
— Fan Spin Up Control and Ramp Rate Control
— Alert on Fan Stall
— 0.5% accuracy from 500 RPM to 16k RPM (external
— 1% accuracy from 500 RPM to 16k RPM (internal clock)
— SMBus Alert compatible
Compliant package
Dual RPM-Based PWM
Fan Controller
EMC2302
crystal oscillator)
Protocol
SMBus
Slave
Revision 1.2 (03-22-10)
SMCLK
SMDATA
ALERT#
Data Brief

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EMC2302-1-AIZL-TR Summary of contents

Page 1

... PRODUCT FEATURES General Description The EMC2302 is an SMBus compliant fan controller with up to two independently controlled PWM fan drivers. Each fan driver is controlled by a programmable frequency PWM driver and Fan Speed Control algorithm that operates in either a closed loop fashion directly PWM-controlled device. ...

Page 2

... ORDERING NUMBER EMC2302-1-AIZL-TR EMC2302-2-AIZL-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 © 2010 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

... H C GAUGE PLANE 0.25 SEATING PLANE 0° - 8° L (0.95) DETAIL "A" Figure 1 EMC2302 Package Drawing - 10-Pin MSOP SMSC EMC2302 c 4 SEE DETAIL "A" END VIEW NOTES: 3-D VIEW 1. ALL DI MENSIONS ARE IN MILLIMETER. 2. TOLERANCE ON THE TRUE POSITION OF EACH LEAD IS ± 0. MAXIMUM MATERIAL CONDITION. 3. PACKAGE BODY DIMENSIONS " ...

Page 4

... LINE: 2-B – First 3 Digits of Lot Number LINE: 3-B – Last 4 Digits of Lot Number Revision 1.2 (03-22-10) TOP 1.5pt PB-FREE/GREEN SYMBOL PIN 1 (Matte Sn) ALL TOP LINES CENTER HORIZONTAL ALIGNMENT BOTTOM PIN 1.5pt Figure 2 EMC2302 Package Markings 4 PRODUCT PREVIEW Dual RPM-Based PWM Fan Controller SMSC EMC2302 ...

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