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參數(shù)資料
型號: MIC284
廠商: Micrel Semiconductor,Inc.
英文描述: Two-Zone Thermal Supervisor(用于測量溫度的數(shù)字熱敏監(jiān)控器)
中文描述: 雙區(qū)熱主管(用于測量溫度的數(shù)字熱敏監(jiān)控器)
文件頁數(shù): 1/20頁
文件大小: 439K
代理商: MIC284
September 29, 2000
1
MIC284
MIC284
Micrel
MIC284
Two-Zone Thermal Supervisor
Advance Information
Typical Application
CLK
/INT
/CRIT
FROM
SERIAL BUS
HOST
OVER-TEMP
SHUTDOWN
REMOTE
2200pF
0.1
μ
F
MIC284
3.3V
DATA
4
×
10k
pull-ups
VDD
T1
A0
GND
2-Channel SMBus Temperature Measurement System
Features
Optimized for CPU Thermal Supervision in Computing
Applications
Measures Local and Remote Temperature
Sigma-Delta ADC for 8-Bit Temperature Results
2-Wire SMBus-compatible Interface
Programmable Thermostat Settings for both Internal and
External Zones
Open-Drain Interrupt Output Pin
Open-Drain Over Temperature Output Pin for Fan
Control or Hardware Shutdown
Interrupt Mask and Status Bits
Low Power Shutdown Mode
Failsafe response to diode faults
2.7V to 5.5V Power Supply Range
8-Lead SOIC and MSOP Packages
Applications
Desktop, Server and Notebook Computers
Power Supplies
Test and Measurement Equipment
Wireless Systems
Networking/Datacom Hardware
Micrel, Inc. 1849 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 944-0970 http://www.micrel.com
General Description
The MIC284 is a versatile digital thermal supervisor capable
of measuring temperature using its own internal sensor and
an inexpensive external sensor or embedded silicon diode
such as those found in the Intel Pentium III* CPU. A 2-wire
serial interface is provided to allow communication with either
I
2
C** or SMBus* masters. Features include an open-drain
over-temperature output with dedicated registers for imple-
menting fan control or over-temperature shutdown circuits.
Interrupt status and mask bits are provided for reduced
software overhead. The open-drain interrupt output pin can
be used as either an overtemperature alarm or a thermostatic
control signal. A programmable address pin permits two
devices to share the bus. (Alternate base addresses avail-
able-contact Micrel.) Superior performance, low power and
small size makes the MIC284 an excellent choice for the most
demanding thermal management applications.
*SMBus and Pentium III are trademarks of Intel Corporation.
**I
2
C is a trademark of Philips Electronics, N.V.
Ordering Information
Part Number
MIC284-0BM
MIC284-1BM
MIC284-2BM
MIC284-3BM
MIC284-0BMM
MIC284-1BMM
MIC284-2BMM
MIC284-3BMM
* The least-significant bit of the slave address is determined by the state of the A0 pin.
Base Address
(
*
)
100 100x
100 101x
100 110x
100 111x
100 100x
100 101x
100 110x
100 111x
Junction Temp. Range
–55
°
C to +125
°
C
–55
°
C to +125
°
C
–55
°
C to +125
°
C
–55
°
C to +125
°
C
–55
°
C to +125
°
C
–55
°
C to +125
°
C
–55
°
C to +125
°
C
–55
°
C to +125
°
C
Package
8-Lead SOP
8-Lead SOP
8-Lead SOP
8-Lead SOP
8-Lead MSOP
8-Lead MSOP
8-Lead MSOP
8-Lead MSOP
Notes
Contact Factory
Contact Factory
Contact Factory
Contact Factory
Contact Factory
Contact Factory
相關(guān)PDF資料
PDF描述
MIC284-0BM Replaced by PTH05010W,PTH08T220W :
MIC284-0BMM Two-Zone Thermal Supervisor Advance Information
MIC284-1BM Two-Zone Thermal Supervisor Advance Information
MIC284-1BMM Two-Zone Thermal Supervisor Advance Information
MIC284-2BM Two-Zone Thermal Supervisor Advance Information
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MIC284-0BM 功能描述:IC SUPERVISOR THERM 2ZONE 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 熱管理 系列:SilentSense™ 標準包裝:2,500 系列:SilentSense™ 功能:溫度監(jiān)控系統(tǒng)(傳感器) 傳感器類型:內(nèi)部和外部 感應(yīng)溫度:-55°C ~ 125°C,外部傳感器 精確度:±2°C 本地(最大),±3°C 遠程(最大) 拓撲:ADC(三角積分型),比較器,寄存器庫 輸出類型:I²C?/SMBus? 輸出警報:是 輸出風(fēng)扇:是 電源電壓:2.7 V ~ 5.5 V 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP,8-MSOP(0.118",3.00mm 寬) 供應(yīng)商設(shè)備封裝:8-MSOP 包裝:帶卷 (TR) 其它名稱:MIC284-2BMMTRMIC284-2BMMTR-ND
MIC284-0BM TR 功能描述:IC SUPERVISOR THERM 2ZONE 8-SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 熱管理 系列:SilentSense™ 標準包裝:2,500 系列:SilentSense™ 功能:溫度監(jiān)控系統(tǒng)(傳感器) 傳感器類型:內(nèi)部和外部 感應(yīng)溫度:-55°C ~ 125°C,外部傳感器 精確度:±2°C 本地(最大),±3°C 遠程(最大) 拓撲:ADC(三角積分型),比較器,寄存器庫 輸出類型:I²C?/SMBus? 輸出警報:是 輸出風(fēng)扇:是 電源電壓:2.7 V ~ 5.5 V 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP,8-MSOP(0.118",3.00mm 寬) 供應(yīng)商設(shè)備封裝:8-MSOP 包裝:帶卷 (TR) 其它名稱:MIC284-2BMMTRMIC284-2BMMTR-ND
MIC284-0BMM 功能描述:IC SUPERVISOR THERM 2ZONE 8-MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱管理 系列:SilentSense™ 標準包裝:2,500 系列:SilentSense™ 功能:溫度監(jiān)控系統(tǒng)(傳感器) 傳感器類型:內(nèi)部和外部 感應(yīng)溫度:-55°C ~ 125°C,外部傳感器 精確度:±2°C 本地(最大),±3°C 遠程(最大) 拓撲:ADC(三角積分型),比較器,寄存器庫 輸出類型:I²C?/SMBus? 輸出警報:是 輸出風(fēng)扇:是 電源電壓:2.7 V ~ 5.5 V 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP,8-MSOP(0.118",3.00mm 寬) 供應(yīng)商設(shè)備封裝:8-MSOP 包裝:帶卷 (TR) 其它名稱:MIC284-2BMMTRMIC284-2BMMTR-ND
MIC284-0BMM TR 功能描述:IC SUPERVISOR THERM 2ZONE 8-MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱管理 系列:SilentSense™ 標準包裝:2,500 系列:SilentSense™ 功能:溫度監(jiān)控系統(tǒng)(傳感器) 傳感器類型:內(nèi)部和外部 感應(yīng)溫度:-55°C ~ 125°C,外部傳感器 精確度:±2°C 本地(最大),±3°C 遠程(最大) 拓撲:ADC(三角積分型),比較器,寄存器庫 輸出類型:I²C?/SMBus? 輸出警報:是 輸出風(fēng)扇:是 電源電壓:2.7 V ~ 5.5 V 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP,8-MSOP(0.118",3.00mm 寬) 供應(yīng)商設(shè)備封裝:8-MSOP 包裝:帶卷 (TR) 其它名稱:MIC284-2BMMTRMIC284-2BMMTR-ND
MIC284-0BMMTR 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel
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