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ManufacturerMicrochip
SeriesTC647

The TC647 is a switch mode fan speed controller for use with brushless DC motors

Datasheets

  • Download » Datasheet, PDF, 378 Kb, 02-05-2013
    TC647 Datasheet
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    TC647
    PWM Fan Speed Controller with FanSense™ Technology
    Features Temperature Proportional Fan Speed for Acoustic
    Control and Longer Fan Life Efficient PWM Fan Drive 3.0V to 5.5V Supply Range:
    -Fan Voltage Independent of TC647
    Supply Voltage
    -Supports any Fan Voltage FanSense™ Technology Fault Detection Circuits
    Protect Against Fan Failure and Aid System
    Testing Shutdown Mode for "Green" Systems Supports Low Cost NTC/PTC Thermistors Space Saving 8-Pin MSOP Package Applications Power Supplies
    Personal Computers
    File Servers
    Telecom Equipment
    UPSs, Power Amps
    General Purpose Fan Speed Control Available Tools Fan Controller Demonstration Board (TC642DEMO) Fan Controller Evaluation Kit (TC642EV) Package Types
    SOIC/PDIP/MSOP
    VIN 1 CF 2 VMIN
    GND 8 VDD 7 VOUT 3 6 FAULT 4 5 SENSE TC647 General Description
    The TC647 is a switch mode, fan speed controller for
    use with brushless DC fans. Temperature proportional
    speed control is accomplished using pulse width modulation (PWM). A thermistor (or other voltage output
    temperature sensor) connected to VIN furnishes the
    required control voltage of 1.25V to 2.65V (typical) for
    0% to 100% PWM duty cycle. Minimum fan speed is ...

Prices

Status

TC647EOATC647EOATRTC647EUATC647EUATRTC647VOATC647VOATRTC647VPATC647VUATC647VUATR
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

TC647EOATC647EOATRTC647EUATC647EUATRTC647VOATC647VOATRTC647VPATC647VUATC647VUATR
PackageSOICSOICMSOPMSOPSOICSOICPDIPMSOPMSOP
Pins888888888

Parametrics

TC647EOATC647EOATRTC647EUATC647EUATRTC647VOATC647VOATRTC647VPATC647VUATC647VUATR
Auto shutdownNoNoNoNoNoNoNoNoNo
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 alertNoNoNoNoNoNoNoNoNo
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

TC647EOATC647EOATRTC647EUATC647EUATRTC647VOATC647VOATRTC647VPATC647VUATC647VUATR
RoHSCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliantCompliant

Moldel Line

Series: TC647 (9)

Manufacturer's Classification

  • Thermal Management > Fan Controllers > Open Loop Fan Controllers and Fault Detectors

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