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Datasheet Microchip TC648

The TC648 is a switch mode fan speed controller for use with brushless DC motors

Datasheets

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  TC648 Datasheet
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  TC648
  Fan Speed Controller with Auto-Shutdown
  and Over-Temperature Alert
  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 TC648
  Supply Voltage
  -Supports any Fan Voltage Over-temperature Fault Detection Automatic Shutdown Mode for “Green” Systems Supports Low Cost NTC/PTC Thermistors Space Saving 8-Pin MSOP Package Applications Power Supplies
  Computers
  Portable Computers
  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 VAS 3 GND 4 TC648 8 VDD 7 VOUT 6 OTF 5 NC General Description
  The TC648 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 the VIN input
  furnishes the required control voltage of 1.25V to 2.65V
  (typical) for 0% to 100% PWM duty cycle. The TC648
  can be configured to operate in either auto-shutdown or
  minimum speed mode. In auto-shutdown mode, fan ...

Цены

Статус

Корпус / Упаковка / Маркировка

Параметры

	TC648EOA	TC648EOA713	TC648EUA	TC648EUA713	TC648VOA	TC648VOA713	TC648VPA	TC648VUA	TC648VUA713
Auto shutdown	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Description	Fan Manager	Fan Manager	Fan Manager	Fan Manager	Fan Manager	Fan Manager	Fan Manager	Fan Manager	Fan Manager
External Temp Input	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Fan Speed Table	No	No	No	No	No	No	No	No	No
FanSense fan monitor	No	No	No	No	No	No	No	No	No
High/Low PWM Freq	Low	Low	Low	Low	Low	Low	Low	Low	Low
Integrated temp sensor	No	No	No	No	No	No	No	No	No
Max. Accuracy @ 25°, °	Depends on external thermistor	Depends on external thermistor	Depends on external thermistor	Depends on external thermistor	Depends on external thermistor	Depends on external thermistor	Depends on external thermistor	Depends on external thermistor	Depends on external thermistor
Max. Supply Current, µA	1000	1000	1000	1000	1000	1000	1000	1000	1000
Рабочий диапазон температур, °C	от -40 до +85	от -40 до +85	от -40 до +85	от -40 до +85	от 0 до +85	от 0 до +85	от 0 до +85	от 0 до +85	от 0 до +85
Over temp alert	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Predictive fan fault detection/read/RPM	No	No	No	No	No	No	No	No	No
SMBus compatible interface	No	No	No	No	No	No	No	No	No
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 thermistor	Depends on external thermistor	Depends on external thermistor	Depends on external thermistor	Depends on external thermistor	Depends on external thermistor	Depends on external thermistor	Depends on external thermistor	Depends on external thermistor
Vcc Range, В	+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

Экологический статус

Модельный ряд

• TC648EOA TC648EOA713 TC648EUA TC648EUA713 TC648VOA TC648VOA713 TC648VPA TC648VUA TC648VUA713

Классификация производителя

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

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