MAX1617 ON Semiconductor, MAX1617 Datasheet
MAX1617
Manufacturer Part Number
MAX1617
Description
SMBus Temperature Sensor with Internal and External Diode Input
Manufacturer
ON Semiconductor
Datasheet
1.MAX1617.pdf
(12 pages)
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MAX1617
SMBus Temperature Sensor
with Internal and External
Diode Input
optimized for monitoring modern high performance CPUs with
on–board, integrated temperature sensing diodes. Temperature data is
converted from the CPU’s diode outputs and made available as an
8–bit digital word.
standard System Management Bus (SMBus) commonly used in
modern computer systems. This permits reading the current
internal/external temperature, programming the threshold setpoints,
and configuring the device. Additionally, an interrupt is generated on
the ALERT pin when temperature moves outside the preset threshold
windows in either direction.
STBY input to activate the low–power Standby mode. Registers can
be accessed while in Standby mode. Address selection inputs allow up
to nine MAX1617s to share the same 2–wire SMBus for multi–zone
monitoring.
driven systems are easily accommodated. Small size, low installed
cost, and ease of use make the MAX1617 an ideal choice for
implementing sophisticated system management schemes, such as
ACPI.
Features
Typical Applications
February, 2000 – Rev. 0
The MAX1617 is a serially programmable temperature sensor
Communication with the MAX1617 is accomplished via the
A Standby command may be sent via the SMBus by signaling the
All registers can be read by the host, and both polled and interrupt
ALERT Interrupt Output
High Performance CPUs with Integrated On–Board Diode - No
Sensor Mounting Problems!
Equipment, Power Supplies
Includes Internal and External Sensing Capability
Outputs Temperature As 8–Bit Digital Word
Solid State Temperature Sensing; 1 C Resolution
3.0 — 5.5V Operating Range
Independent Internal and External Threshold Set–Points With
SMBus 2–Wire Serial Interface
Up To 9 MAX1617s May Share the Same Bus
Low Standby Power Mode
Low Power: 70 A (max) Operating, 10 A (max) Standby Mode
16–Pin Plastic QSOP Package
Operating Temperature Range: –55 C to +125 C
Thermal Protection For Intel “Deschutes” Pentium II and Other
Accurate Temperature Sensing From Any Silicon Junction Diode
Thermal Management in Electronic Systems: Computers, Network
Semiconductor Components Industries, LLC, 1999
1
MAX1617DBR2
Device
ORDERING INFORMATION
PRELIMINARY INFORMATION
ADD1
GND
GND
V DD
PIN CONFIGURATION
NC
NC
D +
D –
http://onsemi.com
16–Pin QSOP
1
2
3
4
5
6
7
8
16–Pin QSOP
DB SUFFIX
(Top View)
CASE TBD
MAX1617
Package
Publication Order Number:
16
15
14
13
12
10
11
9
NC
STBY
SCL
NC
SDA
ALERT
ADD0
NC
2500 Tape/Reel
Shipping
MAX1617/D
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