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MAX6689EP34+

Description
7-Channel Precision Temperature Monitor
CategoryPower/power management    The power supply circuit   
File Size239KB,19 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric Compare View All

MAX6689EP34+ Overview

7-Channel Precision Temperature Monitor

MAX6689EP34+ Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeSSOP
package instructionSSOP,
Contacts20
Reach Compliance Codecompli
ECCN codeEAR99
Is SamacsysN
Adjustable thresholdYES
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-G20
JESD-609 codee3
length8.65 mm
Humidity sensitivity level1
Number of channels7
Number of functions1
Number of terminals20
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height1.75 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)3 V
Nominal supply voltage (Vsup)3.3 V
surface mountYES
technologyBICMOS
Temperature levelAUTOMOTIVE
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch0.635 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3.9 mm
Base Number Matches1
19-0567; Rev 1; 8/07
7-Channel Precision Temperature Monitor
General Description
The MAX6689 precision multichannel temperature sen-
sor monitors its own temperature and the temperatures
of up to six external diode-connected transistors. All
temperature channels have programmable alert thresh-
olds. Channels 1, 4, 5, and 6 also have programmable
overtemperature thresholds. When the measured tem-
perature of a channel exceeds the respective thresh-
old, a status bit is set in one of the status registers. Two
open-drain outputs,
OVERT
and
ALERT,
assert corre-
sponding to these bits in the status register.
The 2-wire serial interface supports the standard system
management bus (SMBus™) protocols: write byte, read
byte, send byte, and receive byte for reading the tem-
perature data and programming the alarm thresholds.
The MAX6689 is specified for an operating temperature
range of -40°C to +125°C and is available in 20-pin
QSOP and TSSOP packages.
Features
Six Thermal-Diode Inputs
Local Temperature Sensor
1°C Remote Temperature Accuracy (+60°C to +100°C)
Temperature Monitoring Begins at POR for Fail-
Safe System Protection
ALERT
and
OVERT
Outputs for Interrupts,
Throttling, and Shutdown
STBY
Input for Hardware Standby Mode
Small, 20-Pin QSOP and TSSOP Packages
2-Wire SMBus Interface
MAX6689
Ordering Information
PART
MAX6689EP34+
MAX6689EP38+
MAX6689EP9A+
MAX6689EP9E+
MAX6689UP34+
MAX6689UP38+
MAX6689UP9A+
MAX6689UP9E+
PIN-
PACKAGE
20 QSOP
20 QSOP
20 QSOP
20 QSOP
20 TSSOP
20 TSSOP
20 TSSOP
20 TSSOP
SLAVE
ADDRESS
0011 010
0011 100
1001 101
1001 111
0011 010
0011 100
1001 101
1001 111
PKG
CODE
E20-1
E20-1
E20-1
E20-1
U20-2
U20-2
U20-2
U20-2
Applications
Desktop Computers
Notebook Computers
Workstations
Servers
SMBus is a trademark of Intel Corp.
Pin Configuration appears at end of data sheet.
Note:
All devices are specified over the -40°C to +125°C
temperature range.
+Denotes
lead-free package.
Typical Application Circuit
+3.3V
CPU
1
2200pF
2
3
2200pF
4
5
2200pF
6
7
2200pF
8
9
2200pF
10
DXN5
DXN6 11
DXN4
DXP5
STBY 13
DXP6 12
2200pF
GPU
DXN3
DXP4
OVERT 15
N.C. 14
TO SYSTEM
SHUTDOWN
DXN2
DXP3
ALERT 17
V
CC
16
0.1μF
INTERRUPT
TO
μP
DXN1
DXP2
DXP1
GND 20
4.7kΩ
EACH
CLK
DATA
MAX6689
SMBCLK 19
SMBDATA 18
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.

MAX6689EP34+ Related Products

MAX6689EP34+ MAX6689EP9A+ MAX6689_07 MAX6689EP38+ MAX6689UP9E+ MAX6689UP38+ MAX6689EP9E+
Description 7-Channel Precision Temperature Monitor 7-Channel Precision Temperature Monitor 7-Channel Precision Temperature Monitor 7-Channel Precision Temperature Monitor 7-Channel Precision Temperature Monitor 7-Channel Precision Temperature Monitor 7-Channel Precision Temperature Monitor
Is it lead-free? Lead free Lead free - Lead free Lead free Lead free Lead free
Is it Rohs certified? conform to conform to - conform to conform to conform to conform to
Maker Maxim Maxim - Maxim Maxim Maxim Maxim
Parts packaging code SSOP SSOP - SSOP TSSOP TSSOP SSOP
package instruction SSOP, SSOP, - SSOP, TSSOP, TSSOP, SSOP,
Contacts 20 20 - 20 20 20 20
Reach Compliance Code compli compli - compli compli compli compli
ECCN code EAR99 EAR99 - EAR99 EAR99 EAR99 EAR99
Is Samacsys N N - N N N N
Adjustable threshold YES YES - YES YES YES YES
Analog Integrated Circuits - Other Types POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT - POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT POWER SUPPLY SUPPORT CIRCUIT
JESD-30 code R-PDSO-G20 R-PDSO-G20 - R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20
JESD-609 code e3 e3 - e3 e3 e3 e3
length 8.65 mm 8.65 mm - 8.65 mm 6.5 mm 6.5 mm 8.65 mm
Humidity sensitivity level 1 1 - 1 1 1 1
Number of channels 7 7 - 7 7 7 7
Number of functions 1 1 - 1 1 1 1
Number of terminals 20 20 - 20 20 20 20
Maximum operating temperature 125 °C 125 °C - 125 °C 125 °C 125 °C 125 °C
Minimum operating temperature -40 °C -40 °C - -40 °C -40 °C -40 °C -40 °C
Package body material PLASTIC/EPOXY PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SSOP SSOP - SSOP TSSOP TSSOP SSOP
Package shape RECTANGULAR RECTANGULAR - RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH - SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, THIN PROFILE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 260 260 - 260 260 260 260
Certification status Not Qualified Not Qualified - Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 1.75 mm 1.75 mm - 1.75 mm 1.1 mm 1.1 mm 1.75 mm
Maximum supply voltage (Vsup) 5.5 V 5.5 V - 5.5 V 5.5 V 5.5 V 5.5 V
Minimum supply voltage (Vsup) 3 V 3 V - 3 V 3 V 3 V 3 V
Nominal supply voltage (Vsup) 3.3 V 3.3 V - 3.3 V 3.3 V 3.3 V 3.3 V
surface mount YES YES - YES YES YES YES
technology BICMOS BICMOS - BICMOS BICMOS BICMOS BICMOS
Temperature level AUTOMOTIVE AUTOMOTIVE - AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE
Terminal surface Matte Tin (Sn) Matte Tin (Sn) - Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
Terminal form GULL WING GULL WING - GULL WING GULL WING GULL WING GULL WING
Terminal pitch 0.635 mm 0.635 mm - 0.635 mm 0.65 mm 0.65 mm 0.635 mm
Terminal location DUAL DUAL - DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED - NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
width 3.9 mm 3.9 mm - 3.9 mm 4.4 mm 4.4 mm 3.9 mm
Base Number Matches 1 1 - 1 1 1 1
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