Datasheet > EMC1188-1-AIA

EMC1188-1-AIA

更新时间： 2024-12-01 21:03:59

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
48页	392K
描述
IC,TEMPERATURE SENSOR,LLCC,10PIN,PLASTIC

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技术参数
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EMC1188-1-AIA 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	SOLCC10,.12,20	Reach Compliance Code：	compliant
风险等级：	5.79	安装特点：	SURFACE MOUNT
端子数量：	10	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：	SOLCC10,.12,20	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

EMC1188-1-AIA 数据手册

EMC1188

Quad 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 EMC1188 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 EMC1188 monitors four temperature (three external and

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

external and internal diode temperatures.



Pin and register compatible with EMC1424

Automatically determines external diode type and

optimal settings

Additionally, the EMC1188provides 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 3 External Temperature Monitor



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



Anti-parallel diodes for extra diode support 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 10-pin 3mm x 3mm DFN RoHS

compliant package



V_DD

EMC1188

VDD = 3.3V

1.8V – 3.3V

Switching

Current

SYS_SHDN Limit

VDD

Conversion Rate Register

DP1

Host

CPU

EMC1188

DN1

DP1

External

Temperature

Thermal

diode

Low Limit Registers

High Limit Registers

Analog

Mux

DP2

DN3*

ΔΣ ADC

Anti-

SMCLK

parallel

diodes*

DN2 /DP3*

DN1

Internal

Temperature

Interna

Diod

SMDATA

SMBus

Interface

ALERT

Internal

Temp

Diode

DP2 / DN3

SMCLK

SMDATA

ALERT

Optional

Anti-

parallel

diode

Configuration Register

Interupt Masking

SYS_SHDN

Status Registers

Power

DN2 / DP3

Control

SYS_SHDN

GND

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

SMSC EMC1188

Revision 1.0 (07-11-13)

DATASHEET

12 3 4 5 6 7...48

中文翻译

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