MAX6620ATI MAXIM [Maxim Integrated Products], MAX6620ATI Datasheet - Page 28

• Manufacturer Part Number: MAX6620ATI
• Description: Quad Linear Fan-Speed Controller
• Manufacturer: MAXIM [Maxim Integrated Products]

Quad Linear Fan-Speed Controller
PROCESS: CMOS
28
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TO I
(OPTIONAL CRYSTAL)
2
C MASTER
V
CC
SPINUP_START
DAC_START
WD_START
FAN_FAIL
ADDR
SDA
SCL
Chip Information
X1
X2
REGISTERS, AND
CONTROL LOGIC
V
I
2
CC
C INTERFACE,
0.1μF
V
FAN
GND
TACH MONITOR
0.1μF
DAC OUTPUT
DRIVER
DACOUT1
DACFB1
TACH1
DACOUT2
DACFB2
TACH2
DACOUT3
DACFB3
TACH3
DACOUT4
DACFB4
TACH4
Typical Application Circuit
0.1μF
0.1μF
0.1μF
0.1μF
4.7kΩ
4.7kΩ
4.7kΩ
4.7kΩ
4.7kΩ
4.7kΩ
4.7kΩ
4.7kΩ
V
V
V
V
FAN
FAN
FAN
FAN
FAN1
FAN2
FAN3
FAN4
0.1μF
0.1μF
0.1μF
0.1μF