EMC2102

更新时间： 2024-11-30 04:17:31

品牌	Logo	应用领域
SMSC		风扇控制器
页数	文件大小	规格书
52页	1469K
描述
RPM-Based Fan Controller with HW Thermal Shutdown

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中文翻译

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EMC2102 数据手册

EMC2102

RPM-Based Fan

Controller with HW

Thermal Shutdown

Datasheet

PRODUCT FEATURES

GENERAL DESCRIPTION

FEATURES

Beta Compensation Allows Accurate Temperature

Measurement on 65nm CPU/GPUs

The EMC2102 is an SMBus, closed-loop, RPM-based

fan controller/driver with hardware (HW) thermal

shutdown and reset controller. The EMC2102 is

packaged in a thermally enhanced, compact, 5x5, 28-

pin lead-free RoHS compliant QFN package.

Closed-Loop RPM Based Fan Controller

—

Accepts External Clock Source To Achieve 2%

Accuracy

Integrated Linear Fan Driver

The EMC2102 utilizes Beta Compensation and

Resistance Error Correction (REC) to accurately monitor

three external temperature zones. These features allow

great accuracy for CPU substrate thermal diodes on

multiple process geometries as well as with discrete

diode-connected transistors. Both Beta Compensation

and REC can be disabled on the EMC2102 to maintain

accuracy when monitoring AMD thermal diodes.

—

600mA Drive Capability

HW Thermal Shutdown (SYS_SHDN#)

—

1°C Incremental Set Points For Thermal Shutdown

—

Cannot be disabled by software

Provides Reset Function (RESET#) On 5V Supply

Three Remote Thermal Zones

—

±1°C Accuracy (60°C to 100°C)

1°C Resolution

Resistance Error Correction On Thermal ‘Diode’

Channels

The EMC2102 includes a closed-loop RPM based Fan

Control Algorithm that integrates a linear fan driver

capable of sourcing 600mA of current. The fan control

algorithm is designed to work with fans that operate up

to 16,000 RPMs.

—

Eliminates Temperature Offset Due To Series

Resistance From PCB Traces And Thermal ‘Diode’

Thermally Enhanced, 28-pin, 5x5 QFN Lead-free

RoHS Compliant Package

The EMC2102 provides a stand-alone HW thermal

shutdown block. The HW thermal shutdown logic can be

configured for a few common configurations based on

the strapping level of the SHDN_SEL pin on the PCB.

The HW thermal shutdown point can be set in 1°C

increments by using a discrete resistor divider

implemented on the TRIP_SET pin.

Operates From Single 3.0 - 3.6V Supply

—

5V Supply For Linear Fan Driver

Software Configurable ALERT# Signal For Diode

Fault, Fan Stall Or System Warning

APPLICATIONS

Notebook Computers

Desktop Computers

The EMC2102 also provides 5V supply ‘power good’

function with a threshold of 4.5V. This function is

provided on the RESET# pin.

Embedded Applications

SMSC EMC2102

DATASHEET

Revision 1.95 (10-19-06)

12 3 4 5 6 7...52

中文翻译

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与EMC2102相关器件

型号	品牌	获取价格	描述	数据表
EMC2102-DZK	SMSC	获取价格	RPM-Based Fan Controller with HW Thermal Shutdown
EMC2103	SMSC	获取价格	RPM-Based Fan Controller with HW Thermal Shutdown
EMC2103-1	MICROCHIP	获取价格	Analog and Interface Product Selector Guide
EMC2103-1-KP	SMSC	获取价格	RPM-Based Fan Controller with HW Thermal Shutdown
EMC2103-1-KP-TR	SMSC	获取价格	Analog Circuit, 1 Func, 4 X 4 MM, ROHS COMPLIANT, QFN-12
EMC2103-2	MICROCHIP	获取价格	Analog and Interface Product Selector Guide
EMC2103-2-AP	SMSC	获取价格	RPM-Based Fan Controller with HW Thermal Shutdown
EMC2103-2-AP-TR	MICROCHIP	获取价格	SPECIALTY ANALOG CIRCUIT
EMC2103-2-AP-TR	SMSC	获取价格	Analog Circuit, 1 Func, 4 X 4 MM, ROHS COMPLIANT, QFN-16
EMC2103-3-KP	SMSC	获取价格	RPM-Based Fan Controller with HW Thermal Shutdown

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