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Maxim > Solutions > Computers: Desktops, Workstations, and Servers

Fan Controllers

DATA SHEETS
Display Title / Parts Key Advantages
QV  PDF 2-Channel Temperature Monitor with Dual, Automatic, PWM Fan-Speed Controller
MAX6639, MAX6639F

High-Frequency, Dual Temperature Sensor and Fan Controller with Selectable Address and Closed-Loop Operation
QV  PDF Low-Dropout, Wide-Input-Voltage, Step-Down Controllers
MAX8597, MAX8598, MAX8599

QV  PDF Temperature Monitors and PWM Fan Controllers
MAX6653, MAX6663, MAX6664

QV  PDF 50ppm/°C Precision Micropower Shunt Voltage References with Multiple Reverse Breakdown Voltages
LM4050, LM4051

Industry Standard 50ppm/°C Voltage Reference Fits in SC70
QV  PDF Precision SMBus-Compatible Remote/Local Temperature Sensors with Overtemperature Alarms
MAX6648, MAX6692

QV  PDF Triple 128-Position Nonvolatile Digital Potentiometer
DS3903

LOWEST COST NONVOLATILE TRIPLE
POTENTIOMETER IDEAL FOR AUTOMATING
POWER-SUPPLY CALIBRATION
Eliminates Manual Factory Calibration Costs
QV  PDF CPU Peripheral Monitor
DS1780

QV  PDF Low-Cost, Remote SOT Temperature Switches
MAX6511, MAX6512, MAX6513

Industry's Only Temperature Switch for External P-N Junction - Either a Discrete Diode-Connected Transistor on an External IC Die
QV  PDF Fan-Speed Regulators and Monitors with SMBus™/I²C-Compatible Interface
MAX6650, MAX6651

Controls and Monitors Fan Speed for High-Performance Thermal Management
QV  PDF Fan Controller and Remote Temperature Sensor with SMBus Serial Interface
MAX1669

Industry First - Temperature Sensor with PWM and Linear Fan Control



Key Specifications:   Digital Potentiometers
Part Number Taper POTs Per Pkg. Control Interface Wiper Memory Number of Steps End-to-End Resistance (kΩ) Res. Tol. (%) Temp. Coeff. (typ)(ppm/°C) Wiper Resistance (typ) (Ω) Max. Idle State Supply Current @5V (µA) Features
DS3903  Linear 3 2-Wire Addressable Non-Volatile 128 10+10+90 20 300 250 250
EEPROM Wiper Memory
See All Digital Potentiometers (119)

Key Specifications:   Fan Controllers
Part Number Sensor Type Functions Fan Control Interface Accuracy (±°C) Temperature Threshold (°C) Temperature Resolution (Bits) Features
MAX6653  Remote
Dual Temperature Alarms
Fan Failure Detector
Remote & Local Sensor
PWM 2-Wire/SMBus 1 Programmable 11  - 
MAX6663  Remote
Dual Temperature Alarms
Fan Failure Detector
Remote & Local Sensor
PWM 2-Wire/SMBus 1 Programmable 11  - 
MAX6664  Remote
Dual Temperature Alarms
Fan Failure Detector
Remote & Local Sensor
PWM 2-Wire/SMBus 1 Programmable 11  - 
MAX6650   -   -  Linear 2-Wire/SMBus  -   -   - 
Closed/Open-Loop Fan-Speed Control for 5V/12V Fans
Monitors Tachometer Output
Programmable Alert/GPIO Outputs
MAX6651   -   -  Linear 2-Wire/SMBus  -   -   - 
Closed/Open-Loop Fan-Speed Control for 5V/12V Fans
Monitors up to 4 Tachometer Outputs
Programmable Alert/GPIO Outputs
Synch Capability
MAX1669  Remote  -  PWM 2-Wire/SMBus 3 Programmable 8  - 
MAX6639  Remote
Remote & Local Sensor
PWM 2-Wire/SMBus 1 Programmable  - 
Closed/Open-Loop Fan-Speed Control for 5V/12V Fans
Monitors Tachometer Output
Selectable Address
Two Alarm Outputs
See All Fan Controllers (18)

Key Specifications:   Step-Down Switching Regulators
Part Number VIN (min) (V) VIN (max) (V) Min. VOUT (V) Max. VOUT (V) IOUT (A) IOUT (A) Output Adj. Method Operating Current, ICC (max) (mA) Number of DC-DC Outputs Operating Freq. (kHz) Package
MAX8597  4.5 28 0.6 28 20 20 Resistor 5 1 1400 THIN QFN/20
MAX8598  4.5 28 0.6 28 20 20 Resistor 5 1 1400 THIN QFN/16
MAX8599  4.5 28 0.6 28 20 20 Resistor 5 1 1400 THIN QFN/16
See All Step-Down Switching Regulators (228)

Key Specifications:   Temperature Sensors
Part Number Sensor Type Alarm Output Functions Interface Remote Channels Accuracy (±°C) Parasite Power Temperature Threshold Temperature Resolution (Bits) Multi-Droppable
MAX6648  Remote Alert
Overt
Dual Temperature Alarms
Remote & Local Sensor
2-Wire/SMBus Single 0.8 No Programmable 10  - 
MAX6692  Remote Alert
Overt
Dual Temperature Alarms
Remote & Local Sensor
2-Wire/SMBus Single 0.8 No Programmable 10  - 
DS1780  Local  - 
Fan Controller
Voltage Monitor
2-Wire/SMBus  -  2 No Programmable 9 Yes
See All Temperature Sensors (99)

Key Specifications:   Temperature Switches
Part Number Switch Type Functions Interface Accuracy (±°C) Temperature Threshold (°C) Package
MAX6511  Remote
Temperature Switch/Temperature Comparator
Logic 3 Factory Programmed SOT-23/6
MAX6512  Remote
Temperature Switch/Temperature Comparator
Logic 3 Factory Programmed SOT-23/6
MAX6513  Remote
Temperature Switch/Temperature Comparator
Logic 3 Factory Programmed SOT-23/6
THIN QFN (Dual)/6
See All Temperature Switches (21)

Key Specifications:   Voltage References
Part Number Output Voltage (V) Tempco (max) (ppm/°C) Initial Accuracy (% max @ +25°C) Reverse Breakdown Current (min) (µA) Reverse Breakdown Current (max) (mA) Features Package Operating Temp. Range (°C)
LM4050A  2.048
2.5
3.0
3.3
4.096
5.0
50 0.1 65 15
Shunt
SC-70/3
SOT-23/3
-40 to +125
LM4050B  2.048
2.5
3.0
3.3
4.096
5.0
50 0.2 65 15
Shunt
SC-70/3
SOT-23/3
-40 to +125
LM4050C  2.048
2.5
3.0
3.3
4.096
5.0
50 0.5 65 15
Shunt
SC-70/3
SOT-23/3
-40 to +125
LM4051A  1.25 50 0.1 65 15
Shunt
SC-70/3
SOT-23/3
-40 to +125
LM4051B  1.25 50 0.2 65 15
Shunt
SC-70/3
SOT-23/3
-40 to +125
LM4051C  1.25 50 0.5 65 15
Shunt
SC-70/3
SOT-23/3
-40 to +125
See All Voltage References (159)




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