MAX6664AEE+ Maxim Integrated Products, MAX6664AEE+ Datasheet - Page 22

• Manufacturer Part Number: MAX6664AEE+
• Description: IC TEMP MON FAN CNTRL 16-QSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX6664AEE+

• Function: Fan Control, Temp Monitor
• Topology: ADC, Multiplexer, Register Bank, Tachometer
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 125°C, External Sensor
• Output Type: I²C™/SMBus™
• Output Alarm: Yes
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP
• Full Temp Accuracy: +/- 1 C
• Digital Output - Bus Interface: Serial (2-Wire)
• Digital Output - Number Of Bits: 11 bit
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Temperature Monitors and
PWM Fan Controllers
22
______________________________________________________________________________________
THERM SIGNAL
10kΩ
TO THROTTLE
FAN-FAILURE
FAN _FAULT
CPU CLOCK
TO SIGNAL
CONDITION
+3.3V
10kΩ
10kΩ
+5V
+3.3V
+3.3V
3-WIRE
NDT3055L
FAN
+3.3V
10kΩ
+3.3V
1
7
2
3
4
5
6
8
PWM_OUT
TACH/AIN
N.C.
N.C.
V
THERM
FAN_FAULT
GND
CC
Typical Operating Circuits (continued)
MAX6663
MAX6664
SMBDATA
SMBCLK
ADD
N.C.
N.C.
DXP
DXN
INT
15
14
11
16
13
12
10
9
2.2kΩ
2.2nF
+3.3V
+3.3V
10kΩ
2.2kΩ
CPU
+3.3V
+3.3V
CLOCK
DATA
INTERRUPT
TO µC