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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX6602 Datasheet

Five-Channel Precision Temperature Monitor

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19-0620; Rev 1; 8/07
Five-Channel Precision Temperature Monitor
General Description
The MAX6602 precision multichannel temperature sen-
sor monitors its own temperature and the temperatures
of up to four external diode-connected transistors. All
temperature channels have programmable alert thresh-
olds. Channels 1 and 4 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 MAX6602 is specified for a -40°C to +125°C oper-
ating temperature range and is available in a 16-pin
TSSOP package.
Applications
Desktop Computers
Notebook Computers
Workstations
Servers
SMBus is a trademark of Intel Corp.
Pin Configuration appears at end of data sheet.
Features
Four 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, 16-Pin TSSOP Package
2-Wire SMBus Interface
Ordering Information
PART
PIN-
PACKAGE
SLAVE
ADDRESS
PKG
CODE
MAX6602UE9A+ 16 TSSOP
1001 101
U16-1
Note: This device is specified over the -40°C to +125°C
temperature range.
+Denotes lead-free package.
Typical Application Circuit
+3.3V
CPU
2200pF
1 DXP1
2 DXN1
GND 16
SMBCLK 15
4.7kΩ
EACH
CLK
2200pF
3 DXP2
4 DXN2
MAX6602 SMBDATA 14
ALERT 13
2200pF
5 DXP3
6 DXN3
VCC 12
OVERT 11
2200pF
7 DXP4
8 DXN4
N.C. 10
STBY 9
0.1μF
DATA
INTERRUPT
TO μP
TO SYSTEM
SHUTDOWN
________________________________________________________________ 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.


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX6602 Datasheet

Five-Channel Precision Temperature Monitor

No Preview Available !

Five-Channel Precision Temperature Monitor
ABSOLUTE MAXIMUM RATINGS
VCC, SMBCLK, SMBDATA, ALERT, OVERT,
STBY to GND .......................................................-0.3V to +6V
DXP_ to GND..............................................-0.3V to (VCC + 0.3V)
DXN_ to GND ........................................................-0.3V to +0.8V
SMBDATA, ALERT, OVERT Current....................-1mA to +50mA
DXN Current .......................................................................±1mA
Continuous Power Dissipation (TA = +70°C)
16-Pin TSSOP
(derate 11.1mW/°C above +70°C)..............................888.9mW
ESD Protection (all pins, Human Body Model) ................±2000V
Operating Temperature Range .........................-40°C to +125°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-60°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(VCC = +3.0V to +5.5V, VSTBY = VCC, TA = -40°C to +125°C, unless otherwise noted. Typical values are at VCC = +3.3V and TA =
+25°C.) (Note 1)
PARAMETER
Supply Voltage
Software Standby Supply Current
Operating Current
Temperature Resolution
Remote Temperature Accuracy
Local Temperature Accuracy
Supply Sensitivity of Temperature
Accuracy
Remote Channel 1 Conversion
Time
Remote Channels 2 Through 4
Conversion Time
Remote-Diode Source Current
Undervoltage-Lockout Threshold
Undervoltage-Lockout Hysteresis
Power-On Reset (POR) Threshold
POR Threshold Hysteresis
ALERT, OVERT
Output Low Voltage
Output Leakage Current
SYMBOL
VCC
ISS
ICC
CONDITIONS
SMBus static
During conversion
Channel 1 only
Other diode channels
TA = TRJ = +60°C to +100°C
VCC = 3.3V
TA = TRJ = 0°C to +125°C
DXN_ grounded,
TRJ = TA = 0°C to +85°C
VCC = 3.3V
TA = +60°C to +100°C
TA = 0°C to +125°C
tCONV1
Resistance cancellation off
Resistance cancellation on
tCONV_
IRJ
UVLO
High level
Low level
Falling edge of VCC disables ADC
VCC falling edge
VOL ISINK = 1mA
ISINK = 6mA
MIN
3.0
-1.0
-3.0
-3.3
-5.0
95
190
95
80
8
2.30
1.2
TYP
30
500
11
8
±0.2
125
250
125
100
10
2.80
90
2.0
90
MAX
5.5
1000
+1.0
+3.0
±2.5
+0.7
+1.0
156
312
156
120
12
2.95
2.5
UNITS
V
µA
µA
Bits
oC
oC
oC/V
ms
ms
µA
V
mV
V
mV
0.3
V
0.5
1 µA
2 _______________________________________________________________________________________


Part Number MAX6602
Description Five-Channel Precision Temperature Monitor
Maker Maxim Integrated Products
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MAX6602 Datasheet PDF





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