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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) Applications Features Supply Voltage (V) Package Smallest Available Package (max w/pins) (mm2)
DS3903  Linear 3 2-Wire Addressable Non-Volatile 128 10+10+90 20 300 250 250
Fiber Communications
Power Supply Cal.
EEPROM Wiper Memory
2.7 to 5.5 TSSOP/20 45
See All Digital Potentiometers (121)

Key Specifications:   Fan Controllers
Part Number Sensor Type Functions Fan Control Interface Accuracy (±°C) Temperature Threshold (°C) Temperature Resolution (Bits) Features Package Smallest Available Package (max w/pins) (mm2)
MAX6653  Remote
Dual Temperature Alarms
Fan Failure Detector
Remote & Local Sensor
PWM 2-Wire/SMBus 1 Programmable 11  -  QSOP/16 31
MAX6663  Remote
Dual Temperature Alarms
Fan Failure Detector
Remote & Local Sensor
PWM 2-Wire/SMBus 1 Programmable 11  -  QSOP/16 31
MAX6664  Remote
Dual Temperature Alarms
Fan Failure Detector
Remote & Local Sensor
PWM 2-Wire/SMBus 1 Programmable 11  -  QSOP/16 31
MAX6650   -   -  Linear 2-Wire/SMBus  -   -   - 
Closed/Open-Loop Fan-Speed Control for 5V/12V Fans
Monitors Tachometer Output
Programmable Alert/GPIO Outputs
uMAX/10 15
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
QSOP/16 31
MAX1669  Remote  -  PWM 2-Wire/SMBus 3 Programmable 8  -  QSOP/16 31
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
QSOP/16
THIN QFN/16
26
See All Fan Controllers (19)

Key Specifications:   Switch-Mode DC-DC Power Supplies
Part Number Topology VIN (min) (V) VIN (max) (V) Number of DC-DC Outputs Min. Adjustable VOUT (V) Max. Adjustable VOUT (V) IOUT (A) Operating Current, ICC (max) (mA) Fixed Freq/PWM Operation Operating Freq. (kHz) Internal Power Switch(es) Synchronous Rectifier Package Smallest Available Package (max w/pins) (mm2)
MAX8597  Step-Down 4.5 28 1 0.6 28 20 5 Yes 1400 No Yes THIN QFN/20 17
MAX8598  Step-Down 4.5 28 1 0.6 28 20 5 Yes 1400 No Yes THIN QFN/16 17
MAX8599  Step-Down 4.5 28 1 0.6 28 20 5 Yes 1400 No Yes THIN QFN/16 17
See All Switch-Mode DC-DC Power Supplies (413)

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 Features Package Smallest Available Package (max w/pins) (mm2)
MAX6648  Remote Alert
Overt
Dual Temperature Alarms
Remote & Local Sensor
2-Wire/SMBus Single 0.8 No Programmable 10  - 
Default Alert Threshold
uMAX/8 16
MAX6692  Remote Alert
Overt
Dual Temperature Alarms
Remote & Local Sensor
2-Wire/SMBus Single 0.8 No Programmable 10  - 
Default Alert Threshold
SOIC/8
uMAX/8
16
DS1780  Local  - 
Fan Controller
Voltage Monitor
2-Wire/SMBus  -  2 No Programmable 9 Yes
CPU Monitoring Functions
TSSOP/24 52
See All Temperature Sensors (97)

Key Specifications:   Temperature Switches
Part Number Switch Type Functions Interface Accuracy (±°C) Temperature Threshold (°C) Package Smallest Available Package (max w/pins) (mm2)
MAX6511  Remote
Temperature Switch/Temperature Comparator
Logic 3 Factory Programmed SOT-23/6 9
MAX6512  Remote
Temperature Switch/Temperature Comparator
Logic 3 Factory Programmed SOT-23/6 9
MAX6513  Remote
Temperature Switch/Temperature Comparator
Logic 3 Factory Programmed SOT-23/6
THIN QFN (Dual)/6
9
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 Smallest Available Package (max w/pins) (mm2) 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
5 -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
5 -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
5 -40 to +125
LM4051A  1.25 50 0.1 65 15
Shunt
SC-70/3
SOT-23/3
5 -40 to +125
LM4051B  1.25 50 0.2 65 15
Shunt
SC-70/3
SOT-23/3
5 -40 to +125
LM4051C  1.25 50 0.5 65 15
Shunt
SC-70/3
SOT-23/3
5 -40 to +125
See All Voltage References (159)





         


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