Datasheet Microchip TC646B

ManufacturerMicrochip
SeriesTC646B

The TC646B is a new version of the existing TC646 fan speed controller

Datasheets

Datasheet PDF, 566 Kb, File published: Feb 5, 2013
TC646B/TC648B/TC649B Datasheet
Docket

Prices

Status

TC646BEOATC646BEOA713TC646BEPATC646BEUATC646BEUA713
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)

Packaging

TC646BEOATC646BEOA713TC646BEPATC646BEUATC646BEUA713
PackageSOICSOICPDIPMSOPMSOP
Pins88888

Parametrics

Parameters / ModelsTC646BEOATC646BEOA713TC646BEPATC646BEUATC646BEUA713
Auto shutdownYesYesYesYesYes
DescriptionFan ManagerFan ManagerFan ManagerFan ManagerFan Manager
External Temp InputYesYesYesYesYes
Fan Speed TableNoNoNoNoNo
FanSense fan monitorYesYesYesYesYes
High/Low PWM FreqLowLowLowLowLow
Integrated temp sensorNoNoNoNoNo
Max. Accuracy @ 25°, °Depends on external thermistorDepends on external thermistorDepends on external thermistorDepends on external thermistorDepends on external thermistor
Max. Supply Current, µA400400400400400
Operating Temperature Range, °C-40 to +85-40 to +85-40 to +85-40 to +85-40 to +85
Over temp alertYesYesYesYesYes
Predictive fan fault detection/read/RPMNoNoNoNoNo
SMBus compatible interfaceNoNoNoNoNo
Temp. Range, °-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 thermistor
Vcc Range, V+3.0 - +5.5+3.0 - +5.5+3.0 - +5.5+3.0 - +5.5+3.0 - +5.5

Eco Plan

TC646BEOATC646BEOA713TC646BEPATC646BEUATC646BEUA713
RoHSCompliantCompliantCompliantCompliantCompliant

Other Options

TC648B TC649B

Model Line

Manufacturer's Classification