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MAX6640 Datasheet(PDF) 20 Page - Maxim Integrated Products

Part No. MAX6640
Description  2-Channel Temperature Monitor with Dual Automatic PWM Fan-Speed Controller
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX6640 Datasheet(HTML) 20 Page - Maxim Integrated Products

 
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2-Channel Temperature Monitor with Dual
Automatic PWM Fan-Speed Controller
20
______________________________________________________________________________________
MAX6640
VFAN
SDA
SCL
PWM2
DXP1
DXN
TO CLOCK THROTTLE
TO SYSTEM SHUTDOWN
TO SMBus
MASTER
3.3V TO 5.5V
3.0V TO 3.6V
3.3V TO 5.5V
3.3V TO 5.5V
3.3V TO 5.5V
3.3V TO 5.5V
PWM1
5V
5V
DXP2
GPU
VCC
I.C.
CPU
GND
5V
TACH1
TACH2
ALERT
THERM
FANFAIL
VFAN
(5V TO 12V)
OT
Typical Operating Circuit
Chip Information
PROCESS: BiCMOS
Package Information
For the latest package outline information and land patterns, go
to www.maxim-ic.com/packages.
PACKAGE TYPE
PACKAGE CODE
DOCUMENT NO.
16 QSOP
E16-1
21-0055
16 TQFN-EP
T1655-2
21-0140


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