TC652DBVUA

更新时间： 2024-09-25 12:04:19

品牌	Logo	应用领域
美国微芯 - MICROCHIP		风扇传感器温度传感器控制器
页数	文件大小	规格书
14页	450K
描述
Integrated Temperature Sensor & Brushless DC Fan Controller

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TC652DBVUA 数据手册

TC652/TC653

Integrated Temperature Sensor & Brushless DC Fan

Controller with FanSense™ Detect & Over-Temperature

Features

Package Type

• Integrated Temperature Sensing and Multi-speed

Fan Control

MSOP

PWM

• FanSense™ Fan Fault Detect Circuitry

• Built-in Over-Temperature Alert (T

)

FAULT

7 GND

OVER

TC652

TC653

• Temperature Proportional Fan Speed Control for

Acoustic Noise Reduction and Longer Fan Life

SHDN

GND

OVER

SENSE

• Pulse Width Modulation Output Drive for Cost

and Power Savings

• Solid-State Temperature Sensing

• ±1°C (Typical) Accuracy from 25°C to +70°C

• 2.8V – 5.5V Operating Range

General Description

The TC652/TC653 are integrated temperature sensors

and brushless DC fan speed controllers with

FanSense^™technology. The TC652/TC653 measure

their junction temperature and control the speed of the

fan based on that temperature, making them especially

suited for applications in modern electronic equipment.

The FanSense^™Fan Fault detect circuitry eliminates

the need for a more expensive 3-wire fan.

• TC653 includes Auto Fan Shutdown

• Low Operating Current: 50µA (Typical)

Applications

• Thermal Protection For Personal Computers

• Digital Set-Top Boxes

• Notebook Computers

• Data Communications

• Power Supplies

Temperature data is converted from the on-chip

thermal sensing element and translated into

fractional fan speed from 40% to 100%. A temperature

selection guide in the data sheet is used to choose the

low and high temperature limits to control the fan. The

TC652/TC653 also include a single trip point over

• Projectors

Related Literature

temperature alert (T

) that eliminates the need for

OVER

additional temperature sensors. In addition, the TC653

includes an auto fan shutdown function for additional

power savings.

• Application Note: AN771

Device Selection Table

The TC652/TC653 are easy to use, require no software

overhead and are therefore the ideal choice for

implementing thermal management in a variety of

systems.

Part Number

Package

Temperature Range

TC652XXVUA

TC653XXVUA

8-Pin MSOP

-40°C to +125°C

Temperature

The "X" denotes

a suffix for temperature threshold settings.

Contact factory for other temperature ranges.

2002 Microchip Technology Inc.

DS21453B-page 1

12 3 4 5 6 7...14

中文翻译

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TC652EDVUA	MICROCHIP	获取价格	Integrated Temperature Sensor & Brushless DC Fan Controller
TC652EEVUA	MICROCHIP	获取价格	Integrated Temperature Sensor & Brushless DC Fan Controller

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