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Datasheet Microchip TC647EOATR

ManufacturerMicrochip
SeriesTC647
Part NumberTC647EOATR

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

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

Packaging

PackageSOIC
Pins8

Parametrics

Auto shutdownNo
DescriptionFan Manager
External Temp InputYes
Fan Speed TableNo
FanSense fan monitorYes
High/Low PWM FreqLow
Integrated temp sensorNo
Max. Accuracy @ 25°Depends on external thermistor °
Max. Supply Current1000 µA
Operating Temperature Range-40 to +85 °C
Over temp alertNo
Predictive fan fault detection/read/RPMNo
SMBus compatible interfaceNo
Temp. Range-40 - +85 °
Typical AccuracyDepends on external thermistor °
Vcc Range+3.0 - +5.5 V

Eco Plan

RoHSCompliant

Moldel Line

Series: TC647 (9)

Manufacturer's Classification

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

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