Closed-Loop Fan Controllers with SMBus/I²C Interface

Last modified by Microchip on 2024/11/25 14:51

Part ## of Fan DriversPWM/Linear Control# of Remote Temp. MonitorsAmbient Temp. SensorTypical Accuracy (°C)Maximum Accuracy @ 25°C (°C)Maximum
Temperature Range (°C)
Vcc Range (V)SMBus AlertSystem ShutdownVoltage MonitorsDescriptionPackages
EMC21121Linear31±0.25±1.00 to +85+3.3 and +5YesYesNoRPM-Based Fan Controller with Hardware
Thermal Shutdown
20-pin QFN
EMC2103-11PWM11±0.5±1.0−40 to +125+3.0 to +3.6YesYesNoRPM-Based Fan Controller with Hardware
Thermal Shutdown
12-pin QFN
EMC2103-21PWM31±0.5±1.0−40 to +125+3.0 to +3.6YesYesNoRPM-Based Fan Controller with Hardware
Thermal Shutdown
16-pin QFN
EMC2103-41PWM31±0.5±1.0−40 to +125+3.0 to +3.6YesYesNoRPM-Based Fan Controller with Hardware
Thermal Shutdown and EEPROM Loadable
16-pin QFN
EMC21042PWM41±0.25±1.0−40 to +125+3.3 and +5.0YesYesYesDual RPM-Based PWM Fan Controller with
Hardware Thermal Shutdown
20-pin QFN
EMC21051Linear41±0.25±1.0−40 to +125+3.3 and +5.0YesYesYesRPM-Based High-Side Fan Controller with
Hardware Thermal Shutdown
20-pin QFN
EMC21062PWM &
Linear
41±0.25±1.0−40 to +125+3.0 to +3.6YesYesYesRPM-Based High Side Fan Controller with
Hardware Thermal Shutdown
28-pin QFN
EMC21131PWM31±0.5±1.0−40 to +125+3.0 to +3.6YesYesNoSingle RPM-Based Fan Controller with Multiple
Temperature Zones and Hardware Thermal
Shutdown
16-pin QFN
EMC23011PWMN/AN/AN/AN/A−40 to +125+3.0 to +3.6YesNoN/ASingle RPM-Based PWM Fan Speed Controller8-pin MSOP
EMC23022PWMN/AN/AN/AN/A−40 to +125+3.0 to +3.6YesNoN/ADual RPM-Based PWM Fan Speed Controller10-pin MSOP
EMC23033PWMN/AN/AN/AN/A−40 to +125+3.0 to +3.6YesNoN/ATriple RPM-Based PWM Fan Speed Controller12-pin QFN
EMC23055PWMN/AN/AN/AN/A−40 to +125+3.0 to +3.6YesNoN/APenta RPM-Based PWM Fan Speed Controller16-pin QFN

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