Datasheet Microchip TC646BEOA713 The TC646B is a new version of the existing TC646 fan speed controller Datasheets- Скачать » Datasheet PDF, 566 Кб, Файл опубликован: 5 фев 2013
TC646B/TC648B/TC649B Datasheet Выписка из документа ↓TC646B/TC648B/TC649B PWM Fan Speed Controllers With Auto-Shutdown, Fan Restart and FanSenseв„ў Technology for Fault Detection Features Description Temperature-Proportional Fan Speed for Acoustic Noise Reduction and Longer Fan Life Efficient PWM Fan Drive 3.0V to 5.5V Supply Range: -Fan Voltage Independent of TC646B/ TC648B/TC649B Supply Voltage -Supports any Fan Voltage FanSenseв„ў Fault Detection Circuit Protects Against Fan Failure and Aids System Testing (TC646B/TC649B) Automatic Shutdown Mode for “Green” Systems Supports Low Cost NTC/PTC Thermistors Over-Temperature Indication (TC646B/TC648B) Fan Auto-Restart Space-Saving 8-Pin MSOP Package The TC646B/TC648B/TC649B devices are new versions of the existing TC646/TC648/TC649 fan speed controllers. These devices are switch-mode fan speed controllers that incorporate a new fan auto-restart function. Temperature-proportional speed control is accomplished using pulse width modulation. A thermistor (or other voltage output temperature sensor) connected to the VIN input supplies the required control voltage of 1.20V to 2.60V (typical) for 0% to 100% PWM duty cycle. The auto-shutdown threshold/temperature is set by a simple resistor divider on the VAS input. An integrated Start-Up Timer ensures reliable fan motor startup at turn-on, coming out of shutdown mode, autoshutdown mode or following a transient fault. A logic low applied to VIN (pin 1) causes fan shutdown. Applications Personal Computers & Servers LCD Projectors Datacom & Telecom Equipment Fan Trays File Servers General-Purpose Fan Speed Control Package Types ...
Цены
PWM Fan Motor Speed Controller 8-Pin SOIC N T/R
СтатусСтатус продукта | В производстве (Подходит для новых разработок, но могут существовать и более новые альтернативы) |
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Корпус / Упаковка / МаркировкаКорпус | SOIC |
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Количество выводов | 8 |
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ПараметрыAuto shutdown | Yes |
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Description | Fan Manager |
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External Temp Input | Yes |
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Fan Speed Table | No |
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FanSense fan monitor | Yes |
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High/Low PWM Freq | Low |
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Integrated temp sensor | No |
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Max. Accuracy @ 25° | Depends on external thermistor ° |
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Max. Supply Current | 400 µA |
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Рабочий диапазон температур | от -40 до +85 °C |
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Over temp alert | Yes |
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Predictive fan fault detection/read/RPM | No |
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SMBus compatible interface | No |
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Temp. Range | -40 - +85 ° |
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Typical Accuracy | Depends on external thermistor ° |
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Vcc Range | +3.0 - +5.5 В |
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Экологический статусДругие варианты исполненияTC648B TC649B Модельный рядСерия: TC646B (5) Классификация производителя- Thermal Management > Fan Controllers > Open Loop Fan Controllers and Fault Detectors
На английском языке: Datasheet Microchip TC646BEOA713
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