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MIC384-1YMM

Description
Three-Zone Thermal Supervisor
File Size373KB,22 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Environmental Compliance
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MIC384-1YMM Overview

Three-Zone Thermal Supervisor

MIC384-1YMM Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
PackagingTube
Supplier PackageMSOP
Pin Count8
MountingSurface Mount
Package Height0.92
Package Length3
Package Width3
PCB changed8
MIC384
Micrel
MIC384
Three-Zone Thermal Supervisor
General Description
The MIC384 is a versatile digital thermal supervisor capable
of measuring temperature using its own internal sensor and
two inexpensive external sensors or embedded silicon diodes
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. The open-drain interrupt output
pin can be used as either an over-temperature alarm or a
thermostatic control signal.
Interrupt mask and status bits are provided for reduced soft-
ware overhead. Fault queues prevent nuisance tripping due
to thermal or electrical noise. A programmable address pin
permits two devices to share the bus. (Alternate base ad-
dresses available – contact Micrel.) Superior performance,
low power and small size makes the MIC384 an excellent
choice for multiple zone thermal management applications.
*SMBus and Pentium III are trademarks of Intel Corporation.
**I
2
C is a trademark of Philips Electronics, N.V.
Features
Measures Local and Two Remote Temperatures
2-Wire SMBus-compatible Interface
Programmable Thermostat Settings for All Three Zones
Open-Drain Interrupt Output Pin
Interrupt Mask and Status Bits
Fault Queues to Prevent Nuisance Tripping
Low Power Shutdown Mode
Failsafe response to diode faults
2.7V to 5.5V Power Supply Range
8-Lead SOIC and MSOP Packages
Desktop, Server and Notebook Computers
Power Supplies
Test and Measurement Equipment
Wireless Systems
Networking/Datacom Hardware
Applications
Ordering Information
Part Number
Standard
MIC384-0BM
MIC384-1BM
MIC384-2BM
MIC384-3BM
MIC384-0BMM
MIC384-1BMM
MIC384-2BMM
MIC384-3BMM
Pb-Free
Base Address (*) Junction Temp. Range
100 100x
100 101x
100 110x
100 111x
100 100x
100 101x
100 110x
100 111x
-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 SOIC
8-Lead SOIC
8-Lead SOIC
8-Lead SOIC
8-Lead MSOP
8-Lead MSOP
8-Lead MSOP
8-Lead MSOP
Availability
MIC384-0YM
MIC384-1YM
MIC384-2YM
MIC384-3YM
MIC384-0YMM
MIC384-1YMM
MIC384-2YMM
MIC384-3YMM
Contact Factory
Contact Factory
Contact Factory
Contact Factory
Contact Factory
Contact Factory
* The least-significant bit of the slave address is determined by the state of the A0 pin.
Typical Application
3.3V
3
×
10k
pull-ups
FROM
SERIAL BUS
HOST
0.1µF
MIC384
DATA
VDD
CLK
/INT
GND
T1
T2
A0
2200pF
REMOTE
DIODE
2200pF
REMOTE
DIODE
3-Channel SMBus Temperature Measurement System
Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
September 2005
1
MIC384

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Description Three-Zone Thermal Supervisor Three-Zone Thermal Supervisor Three-Zone Thermal Supervisor Three-Zone Thermal Supervisor Three-Zone Thermal Supervisor Three-Zone Thermal Supervisor Three-Zone Thermal Supervisor
EU restricts the use of certain hazardous substances Compliant Compliant Compliant Compliant Compliant Compliant Compliant
ECCN (US) EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Part Status Active Active Active Active Active Active Active
Packaging Tube Tube Tape and Reel Tape and Reel Tube Tube Tape and Reel
Supplier Package MSOP MSOP MSOP SOIC N MSOP SOIC N SOIC N
Pin Count 8 8 8 8 8 8 8
Mounting Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount Surface Mount
Package Height 0.92 0.92 0.92 1.48 0.92 1.48 1.48
Package Length 3 3 3 4.93 3 4.93 4.93
Package Width 3 3 3 3.94 3 3.94 3.94
PCB changed 8 8 8 8 8 8 8
HTS 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01 -
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