EMC2104

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
101页	1474K
描述
Dual RPM-Based PWM Fan Controller with Hardware Thermal Shutdown

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EMC2104 数据手册

EMC2104

Dual RPM-Based PWM Fan

Controller with Hardware

Thermal Shutdown

Datasheet

PRODUCT FEATURES

General Description

Features

Two Programmable Fan Control circuits.

The EMC2104 is an SMBus compliant fan controller with

up to five (up to 4 external and 1 internal) temperature

channels. The fan drivers can be operated using two

methods each with two modes. The methods include an

RPM based Fan Speed Control Algorithm and a direct

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

High speed PWM (26khz)

Low speed PWM (9.5Hz - 2240Hz)

Optional detection of aging fans

RPM based fan control algorithm

—

2% accuracy from 500RPM to 16k RPM

Temperature Look-Up Table

—

Allows programmed fan response to temperature

1 to 4 thermal zones to control each fan driver

Controls fan speed or drive setting

Allows externally generated temperature data to control

fan drivers including two DTS channels

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.

Up to Four External Temperature Channels

—

Designed to support 45nm, 60nm, and 90nm CPUs

Automatically detects and supports CPUs requiring the

BJT or Transistor models

The EMC2104 also includes a hardware programmable

temperature limitS and dedicated system shutdown

output for thermal protection of critical circuitry.

—

Resistance error correction

1°C accurate (60°C to 100°C)

0.125°C resolution

Detects fan aging and variation

Applications

Up to three thermistor compatible voltage inputs

Notebook Computers

Embedded Applications

Projectors

Hardware Programmable Thermal Shutdown

Temperature

—

Cannot be altered by software

—

60°C to 122°C Range or 92°C to 154°C Range

Industrial and Networking Equipment

Programmable High and Low Limits for all channels

3.3V Supply Voltage

SMBus 2.0 Compliant

—

SMBus Alert compatible

Available in 20-pin QFN Package - Lead Free RoHS

compliant (4mm x 4mm)

SMSC EMC2104

DATASHEET

Revision 1.74 (05-08-08)

12 3 4 5 6 7...101

中文翻译

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与EMC2104相关器件

型号	品牌	获取价格	描述	数据表
EMC2104-BP	SMSC	获取价格	Dual RPM-Based PWM Fan Controller with Hardware Thermal Shutdown
EMC2104-BP-TR	MICROCHIP	获取价格	SWITCHING CONTROLLER
EMC2104-BP-TR	SMSC	获取价格	Switching Controller
EMC2105	MICROCHIP	获取价格	Analog & Interface Product Selector Guide
EMC2105	SMSC	获取价格	RPM-Based High Side Fan Controller with Hardware Thermal Shutdown
EMC2105-1-BP	SMSC	获取价格	RPM-Based High Side Fan Controller with Hardware Thermal Shutdown
EMC2105-BP	MICROCHIP	获取价格	SPECIALTY ANALOG CIRCUIT, QCC20, 4 X 4 MM, ROHS COMPLIANT, QFN-20
EMC2105-BP-TR	MICROCHIP	获取价格	EMC2105-BP-TR
EMC2106	SMSC	获取价格	Dual RPM-Based Linear Fan Controller with Hardware Thermal Shutdown
EMC2106_09	SMSC	获取价格	Dual RPM-Based Linear Fan Controller with Hardware Thermal Shutdown

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