Datasheet > EMC1186-1-AC3

EMC1186-1-AC3

更新时间： 2024-11-30 19:36:55

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
43页	340K
描述
IC,TEMPERATURE SENSOR,LLCC,8PIN,PLASTIC

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技术参数
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EMC1186-1-AC3 技术参数

是否Rohs认证：	符合	生命周期：	Active
Reach Compliance Code：	compliant	风险等级：	5.78
安装特点：	SURFACE MOUNT	端子数量：	8
最高工作温度：	125 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装等效代码：	SOLCC8,.11,20
封装形状/形式：	RECTANGULAR	电源：	3.3 V
子类别：	Other Sensors/Transducers	表面贴装：	YES
Base Number Matches：	1

EMC1186-1-AC3 数据手册

EMC1186

Dual Channel 1°C Temperature Sensor with Hardware

Thermal Shutdown and 1.8V SMBus Communications

Datasheet

PRODUCT FEATURES

General Description

Applications



Notebook Computers

Desktop Computers

Industrial

The EMC1186 is a high accuracy, low cost, 1.8V System

Management Bus (SMBus) compatible temperature sensor.

Advanced features such as Resistance Error Correction (REC),

Beta Compensation (to support CPU diodes requiring the

BJT/transistor model including 65nm and lower geometry

processors) and automatic diode type detection combine to

provide a robust solution for complex environmental monitoring

applications. The ability to communicate at 1.8V SMBus levels

provides compatible I/O for the advanced processors found in

today’s tablet and smartphone applications.

Embedded applications

Features



Hardware Thermal Shutdown

—

triggers dedicated SYS_SHDN pin

hardware configured range 77°C to 112°C in 1°C steps

cannot be disabled or modified by software



Support for diodes requiring the BJT/transistor model

—

Supports 65nm and lower geometry CPU thermal

diodes

The EMC1186 monitors two temperature channels (one

external and one internal), providing ±1°C accuracy for both

external and internal diode temperatures.



Pin and register compatible with EMC1422

Automatically determines external diode type and

optimal settings

Additionally, the EMC1186provides a hardware programmable

system shutdown feature that is programmed at part power-up

via two pull-up resistor values and that cannot be masked or

corrupted through the SMBus.



Resistance Error Correction

Frequency hops the remote sample frequency to reject

DC converter and other coherent noise sources*

Consecutive Alert queue to further reduce false Alerts

Up to 1 External Temperature Monitors



REC automatically eliminates the temperature error caused by

series resistance allowing greater flexibility in routing thermal

diodes. Frequency hopping* and analog filters ensure remote

diode traces can be as far as eight (8) inches without degrading

the signal. Beta Compensation eliminates temperature errors

caused by low, variable beta transistors common in today's fine

geometry processors. The automatic beta detection feature

monitors the external diode/transistor and determines the

optimum sensor settings for accurate temperature

measurements regardless of processor technology. This frees

the user from providing unique sensor configurations for each

temperature monitoring application. These advanced features

plus ±1°C measurement accuracy provide a low-cost, highly

flexible and accurate solution for critical temperature monitoring

applications.

—

25°C typ, ±1°C max accuracy (20°C < T_DIODE< 110°C)

0.125°C resolution

Supports up to 2.2nF diode filter capacitor



Internal Temperature Monitor

—

±1°C accuracy

0.125°C resolution



3.3V Supply Voltage

1.8V SMBus operation

Programmable temperature limits for ALERT (85°C

default high limit and 0°C default low limit)

Available in small 8-pin 2mm x 3mm TDFN RoHS

compliant package



Switchi

Current

EMC1186

SYS_SHDN Limit

VDD = 3.3V

1.8V

– 3.3V

VDD

EMC1186

DP1

Conversion Rate Register

Host

CPU

Thermal

diode

External

Temperature

Low Limit Registers

High Limit Registers

Analog

Mux

DP1

DN1

SMCLK

ΔΣADC

DN1

Internal

Diode

SMDATA

SMBus

Internal

Temperature

Interface

ALERT

Internal

Temp

Diode

SMCLK

SYS_SHDN

Configuration Register

SMDATA

ALERT

Power Control

Interupt

Masking

Status

Registers

SYS_SHDN

GND

* Technology covered under the US patent 7,193,543.

SMSC EMC1186

Revision 1.0 (07-11-13)

DATASHEET

12 3 4 5 6 7...43

中文翻译

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EMC1186-1-AC3-TR	MICROCHIP	获取价格	DIGITAL TEMP SENSOR-SERIAL
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EMC1186-2-AC3-TR	MICROCHIP	获取价格	DIGITAL TEMP SENSOR-SERIAL
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EMC1187-1-AIA-TR	MICROCHIP	获取价格	DIGITAL TEMP SENSOR-SERIAL
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