May 2006
1
MIC184
MIC184
Micrel
MIC184
Local/Remote Thermal Supervisor
General Description
The MIC184 is a versatile digital thermal supervisor capable
of measuring temperature using either its own internal sensor
or an inexpensive external sensor. A 2-wire serial interface is
provided to allow communication with either I
2
C or SMBus
masters. This device is a pin-for-pin and software compatible
upgrade for the industry standard LM75.
Additional features include remote temperature measurement
capability, and interrupt status and mask bits in the chips
conguration register for software polling. The open-drain
interrupt output pin can be used as either an overtemperature
alarm or thermostatic control signal. Three programmable ad-
dress pins permit users to multidrop up to 8 devices along the
2-wire bus, allowing simple distributed temperature sensing
networks. Superior performance, low power and small size
makes the MIC184 an excellent choice for the most demand-
ing thermal management applications.
Typical Application
DATA
1
2
3
8
4
5
6
7
FROM
ERIAL BUS
OPTIONAL
REMOTE
TEMPERATURE
SENSOR
2200pF
MIC184
CLK
INT
Data
3.0V to 3.6V
V
DD
Clock
Interrupt
VDD
3 ?/DIV>
10k
A2/T1
A1
A0
GND
0.1礔
ceramic
2-Channel SMBus Temperature Measurement System
Features
" Measures local and remote temperatures
" Pin and software backward compatible to LM75
" 9-bit sigma-delta ADC
" 2-wire I
2
C/SMBus compatible interface
" Programmable thermostatic settings for either internal or
external zone
" Open-drain comparator/interrupt output pin
" Interrupt mask and status bits
" Low-power shutdown mode
" Fail-safe response to diode faults
" 2.7V to 5.5V power supply range
" Up to 8 devices may share the same bus
" 8-Lead SOP and MSOP Packages
Applications
" Desktop, Server and Notebook Computers
" Printers and Copiers
" Test and measurement equipment
" Consumer electronics
Ordering Information
Part Number    Temperature Range
Package
Pb-FREE
MIC184BM
-55癈 to +125癈
8-lead SOIC
MIC184BMM
-55癈 to +125癈
8-lead MSOP
MIC184YM
-55癈 to +125癈
8-lead SOIC
X
MIC184YMM
-55癈 to +125癈
8-lead MSOP
X
Micrel, Inc. " 2180 Fortune Drive " San Jose, CA 95131 " USA " tel + 1 (408) 944-0800 " fax + 1 (408) 474-1000 " http://www.micrel.com
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相关代理商/技术参数
MIC184BMM 功能描述:IC SUPERVISOR LOCAL/REMOTE 8MSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热管理 系列:- 标准包装:2,500 系列:SilentSense™ 功能:温度监控系统(传感器) 传感器类型:内部和外部 感应温度:-55°C ~ 125°C,外部传感器 精确度:±2°C 本地(最大),±3°C 远程(最大) 拓扑:ADC(三角积分型),比较器,寄存器库 输出类型:I²C?/SMBus? 输出警报:是 输出风扇:是 电源电压:2.7 V ~ 5.5 V 工作温度:-55°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-TSSOP,8-MSOP(0.118",3.00mm 宽) 供应商设备封装:8-MSOP 包装:带卷 (TR) 其它名称:MIC284-2BMMTRMIC284-2BMMTR-ND
MIC184BMM TR 功能描述:IC SUPERVISOR LOCAL/REMOTE 8MSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热管理 系列:- 标准包装:2,500 系列:SilentSense™ 功能:温度监控系统(传感器) 传感器类型:内部和外部 感应温度:-55°C ~ 125°C,外部传感器 精确度:±2°C 本地(最大),±3°C 远程(最大) 拓扑:ADC(三角积分型),比较器,寄存器库 输出类型:I²C?/SMBus? 输出警报:是 输出风扇:是 电源电压:2.7 V ~ 5.5 V 工作温度:-55°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-TSSOP,8-MSOP(0.118",3.00mm 宽) 供应商设备封装:8-MSOP 包装:带卷 (TR) 其它名称:MIC284-2BMMTRMIC284-2BMMTR-ND
MIC184YM 功能描述:板上安装温度传感器 Improved LM75 Series Local/Remote Temperature Sensor in SOIC-8 Lead-Free RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor
MIC184YM TR 功能描述:板上安装温度传感器 Improved LM75 Series Local/Remote Temperature Sensor in SOIC-8 Lead-Free RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor
MIC184YMM 功能描述:板上安装温度传感器 Improved LM75 Series Local/Remote Temperature Sensor in MSOP-8 Lead-Free RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor
MIC184YMM TR 功能描述:板上安装温度传感器 Improved LM75 Series Local/Remote Temperature Sensor in MSOP-8 Lead-Free RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor
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