Datasheet > NCT80DBR2G

NCT80DBR2G

更新时间： 2024-09-19 01:17:19

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
28页	274K
描述
Hardware Monitor with I2C Serial Interface

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NCT80DBR2G 数据手册

NCT80

Hardware Monitor with I²C

Serial Interface

The NCT80 is a two−wire serially programmable hardware monitor.

It can monitor its on chip temperature via its local sensor, 7 analog

inputs and measure the speed of two fans. Each of the measured values

are compared with programmable limits and if any channel is outside

the programmed limit an interrupt is generated via the INT output pin.

It also has a chassis intrusion detection input pin which is latched on

an intrusion event.

http://onsemi.com

Communication with the NCT80 is accomplished via the I C

interface which is compatible with industry standard protocols.

Through this interface the NCT80s internal registers may be accessed.

These registers allow the user to read the current temperature, fan

speed and voltages, change the configuration settings and adjust each

channels limits.

TSSOP−24

DB SUFFIX

CASE 948H

The NCT80 is available in a 24−lead TSSOP package and operates

over a wide supply range of 2.8 to 5.75 V. This makes the NCT80 ideal

for a wide variety of applications ranging from computers to servers

and test equipment.

XXXXX

XXXXG

ALYW

Features

• On−chipTemperature Sensor

• 2 Fan Speed Monitoring Inputs

• 7 Analog Inputs for Voltage Monitoring

• Chassis Intrusion Detection

XXXX = Specific Device Code

= Assembly Location

= Wafer Lot

= Year

= Work Week

= Pb−Free Package

• Overtemperature Output

• Limit Comparison of Monitored Channels

• 3 Address Selection Pins

PIN CONNECTIONS

• Power Saving Shutdown Mode

INT_IN

SDA

• I C Compliant Interface

SCL

A0/NTEST_OUT

• These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS

AIN0

TACH1

TACH2

BTI

AIN1

Compliant

AIN2

AIN3

AIN4

GND

AIN5

AIN6

INT

GPO

AGND

RST_OUT/

RST_IN/

THERM

NTEST_IN

(Top View)

ORDERING INFORMATION

†

Device

NCT80DBR2G

Package

Shipping

TSSOP−24

(Pb−Free)

Tape & Reel

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specification

Brochure, BRD8011/D.

Publication Order Number:

July, 2012 − Rev. 0

NCT80/D

12 3 4 5 6 7...28

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