Datasheet > EMC2113

EMC2113

更新时间： 2024-11-30 06:57:03

品牌	Logo	应用领域
SMSC		风扇控制器
页数	文件大小	规格书
85页	1206K
描述
RPM-Based Fan Controller with Multiple Temperature Zones & Hardware Thermal Shutdown

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EMC2113 数据手册

EMC2113

RPM-Based Fan Controller with

Multiple Temperature Zones &

Hardware Thermal Shutdown

Datasheet

PRODUCT FEATURES

General Description

Features

Programmable Fan Control circuit

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.

—

4-wire fan compatible

—

Both Low and High frequency PWM

RPM-based fan control algorithm

—

2% accurate from 500 RPM to 16k RPM

—

Automatic Tachometer feedback

Temperature Look-Up Table

—

Controls fan speed or PWM drive setting

—

Eight steps that incorporate up to four temperature

zones simultaneously (user selectable)

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.

—

Supports forced DTS or standard temperature data

Allows external PWM input (150Hz to 40kHz)

Up to Three External Temperature Channels

—

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

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.

Hardware Programmable Thermal Shutdown

Temperature

—

Cannot be altered by software

65°C to 127°C Range

Dedicated system shutdown interrupt pin

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

interrupt pin to flag temperature or fan control errors.

Internal Temperature Monitor

Applications

—

±1°C accuracy

—

0.125°C resolution

Notebook Computers

Projectors

3.3V Supply Voltage

Open drain interrupt pin

SMBus 2.0 Interface

Graphics Cards

Industrial and Networking Equipment

—

SMBus Alert compatible

—

Selectable SMBus Address via pull-up resistor and

ADDR_SEL pin

—

Block Read and Write

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

RoHS Compliant package

SMSC EMC2113

DATASHEET

Revision 1.2 (10-08-09)

12 3 4 5 6 7...85

中文翻译

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与EMC2113相关器件

型号	品牌	获取价格	描述	数据表
EMC2113-1-AP-TR	SMSC	获取价格	RPM-Based Fan Controller with Multiple Temperature Zones & Hardware Thermal Shutdown
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