MAX6660AEE+ Maxim Integrated Products, MAX6660AEE+ Datasheet - Page 6

• Manufacturer Part Number: MAX6660AEE+
• Description: IC REG FAN SPEED 16-QSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX6660AEE+

• Function: Fan Control, Temp Monitor
• Topology: ADC, Comparator, Fan Control, Multiplexer, Register Bank
• Sensor Type: External
• Sensing Temperature: 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: +/- 5 C
• Digital Output - Bus Interface: Serial (2-Wire)
• Digital Output - Number Of Bits: 10 bit + Sign
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Remote-Junction Temperature-Controlled
Fan-Speed Regulator with SMBus Interface
Figure 1. MAX6660 Block Diagram
6
________________________________________________________________________________________
SMBDATA
SMBCLK
ADD0
ADD1
DXN
DXP
MUX
INTERFACE
DECODER
CENTRAL
ADDRESS
SMBus
LOGIC
ADC
FAN-SPEED CONTROL
FAN COUNT DIVISOR
FAN CONVERSION
FAN SPEED LIMIT
CONFIGURATION
FAN LIMIT (FL)
FAN GAIN (FG)
TEMPERATURE
REMOTE DATA
RATE (FCR)
MODE (M)
REGISTERS
T
STATUS
T
FAN
T
(FSC)
T
T
(FC)
(FS)
HYST
HIGH
MAX
LOW
(FT)
THERMAL OPEN/
CLOSED LOOP
COMPARAT0R
CLOSED LOOP
FAN OPEN/
REGULATOR
FAN-SPEED
VFAN
CONTROL
CIRCUIT
FAN
N
TACH IN
FAN
OVERT
ALERT
FAN