Datasheet Microchip TC646

ManufacturerMicrochip
SeriesTC646

The TC646 is a switch mode fan speed controller for use with brushless DC motors

Datasheets

Datasheet PDF, 378 Kb, File published: Feb 5, 2013
TC646 Datasheet
Docket

Prices

Status

TC646EOATC646EOA713TC646EUATC646EUA713TC646VOATC646VOA713TC646VPATC646VUATC646VUA713
Lifecycle StatusProduction (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)Production (Appropriate for new designs but newer alternatives may exist)

Packaging

TC646EOATC646EOA713TC646EUATC646EUA713TC646VOATC646VOA713TC646VPATC646VUATC646VUA713
PackageSOICSOICMSOPMSOPSOICSOICPDIPMSOPMSOP
Pins888888888

Parametrics

TC646EOATC646EOA713TC646EUATC646EUA713TC646VOATC646VOA713TC646VPATC646VUATC646VUA713
Auto shutdownYesYesYesYesYesYesYesYesYes
DescriptionFan ManagerFan ManagerFan ManagerFan ManagerFan ManagerFan ManagerFan ManagerFan ManagerFan Manager
External Temp InputYesYesYesYesYesYesYesYesYes
Fan Speed TableNoNoNoNoNoNoNoNoNo
FanSense fan monitorYesYesYesYesYesYesYesYesYes
High/Low PWM FreqLowLowLowLowLowLowLowLowLow
Integrated temp sensorNoNoNoNoNoNoNoNoNo
Max. Accuracy @ 25°, °Depends on external thermistorDepends on external thermistorDepends on external thermistorDepends on external thermistorDepends on external thermistorDepends on external thermistorDepends on external thermistorDepends on external thermistorDepends on external thermistor
Max. Supply Current, µA100010001000100010001000100010001000
Operating Temperature Range, °C-40 to +85-40 to +85-40 to +85-40 to +850 to +850 to +850 to +850 to +850 to +85
Over temp alertYesYesYesYesYesYesYesYesYes
Predictive fan fault detection/read/RPMNoNoNoNoNoNoNoNoNo
SMBus compatible interfaceNoNoNoNoNoNoNoNoNo
Temp. Range, °-40 - +85-40 - +85-40 - +85-40 - +85-40 - +85-40 - +85-40 - +85-40 - +85-40 - +85
Typical Accuracy, °Depends on external thermistorDepends on external thermistorDepends on external thermistorDepends on external thermistorDepends on external thermistorDepends on external thermistorDepends on external thermistorDepends on external thermistorDepends on external thermistor
Vcc Range, V+3.0 - +5.5+3.0 - +5.5+3.0 - +5.5+3.0 - +5.5+3.0 - +5.5+3.0 - +5.5+3.0 - +5.5+3.0 - +5.5+3.0 - +5.5

Eco Plan

TC646EOATC646EOA713TC646EUATC646EUA713TC646VOATC646VOA713TC646VPATC646VUATC646VUA713
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

Model Line

Manufacturer's Classification