EMC2301-1-ACZL-TR SMSC, EMC2301-1-ACZL-TR Datasheet

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EMC2301-1-ACZL-TR

Manufacturer Part Number
EMC2301-1-ACZL-TR
Description
Industrial Temperature Sensors Single RPB-Based PWM Fan Speed CNTRL
Manufacturer
SMSC
Datasheet

Specifications of EMC2301-1-ACZL-TR

Lead Free Status / Rohs Status
Lead free / RoHS Compliant

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Part Number:
EMC2301-1-ACZL-TR
Manufacturer:
SMSC
Quantity:
20 000
Part Number:
EMC2301-1-ACZL-TR
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PRODUCT FEATURES
General Description
The EMC2301 is an SMBus compliant fan controller with
a PWM fan driver. The 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.
Each 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 EMC2301 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 EMC2301
Servers
Projectors
Industrial and Networking Equipment
Notebook Computers
TACH
PWM
CLK
Drivers
Measurement
PWM
Tach
Fan Speed Control Algorithm
PRODUCT PREVIEW
Tachometer
Block Diagram
Registers
Limit
Features
Programmable Fan Control circuit (EMC2301)
Watchdog Timer
RPM-based fan control algorithm
SMBus 2.0 Compliant
CLK Pin can provide a clock source output
Available in an 8-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
RPM-Based PWM Fan
Controller
EMC2301
crystal oscillator)
Protocol
SMBus
Slave
SMCLK
SMDATA
ALERT#
Revision 1.2 (03-22-10)
Data Brief

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EMC2301-1-ACZL-TR Summary of contents

Page 1

... PRODUCT FEATURES General Description The EMC2301 is an SMBus compliant fan controller with a PWM fan driver. The 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. Each closed loop Fan Speed Control algorithm (FSC) has the capability to detect aging fans and alert the system ...

Page 2

... ORDERING NUMBER EMC2301-1-ACZL-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

... PLAN E 0 EAT IN G PLAN ° - 8° DETAIL "A" SCALE: 3/1 Figure 1 EMC2301 Package Drawing - 8-Pin MSOP SMSC EMC2301 c SEE DE TAIL "A" END VIEW 3-D VIEW NOTES: 1. ALL DIMENSIONS ARE IN MILLIMETER. 2. TOLERANCE ON THE TRUE POSITI ON OF THE LEADS I S ± 0.065mm MAXIMUM. ...

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 PIN 1 ALL TOP LINES CENTER HORIZONTAL ALIGNMENT BOTTOM PIN Figure 2 EMC2301 Package Markings 4 PRODUCT PREVIEW RPM-Based PWM Fan Controller 2x 1.5pt PB-FREE/GREEN SYMBOL (Matte Sn) 3x 1.5pt SMSC EMC2301 ...

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